Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. Explore the overview for a general context of how climate change is affecting Liberia. On average, February is the driest month. The coldest month is May with an average maximum temperature of 31°C (87°F). The windiest day of the year is January 30, with an average hourly wind speed of 12.1 miles per hour. The average temperature in Monrovia is 25.7 °C | 78.3 °F. Average rainfall in July: 996mm; Average rainfall in August: 373mm; Average rainfall in September: 744mm; Average rainfall in October: 772mm; Average rainfall in November: 236mm; Average rainfall in December: 130mm The average number of ‘hot nights’ per year increased by 57 between 1960 and 2003. The muggiest day of the year is September 24, with muggy conditions 100% of the time. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed. In Liberia, the wet season is oppressive and overcast; the dry season is muggy, windy, and partly cloudy; and it is hot year round. This location is classified as Am by Köppen and Geiger. MERRA-2 Modern-Era Retrospective Analysis. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. Liberia has dry periods in January, February and March. Best time to visit Liberia. Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter. Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . Average yearly precipitation (rain and snow) and days of wet weather per month in Liberia. The weather in september in Liberia (Guanacaste) is wet (with 11.5in of precipitation over 27 days). The average water temperature does not vary significantly over the course of the year, remaining within 2°F of 82°F throughout. In Liberia, the average percentage of the sky covered by clouds experiences extreme seasonal variation over the course of the year. The darker period of the year lasts for 5.6 months, from May 21 to November 8, with an average daily incident shortwave energy per square meter below 4.8 kWh. The climate enjoyable in this city the month of october. The cloudier part of the year begins around April 11 and lasts for 7.3 months, ending around November 19. Projects & Operations ... Average Monthly Rainfall 1901 - 2009 (mm) The Climate Change Knowledge Portal is a hub of information, data and reports about climate change around the world. The climate in Costa Rica is hot all year round in the plains and along the coasts, while it's milder in the plateau, that is, in the so-called tierras templadas. Here you can query, map, compare, chart and summarize key climate-related information. A lot of rain (rainy season) falls in the months: May, June, July, August, September, October and November. The cool season lasts for 2.9 months, from September 7 to December 3, with an average daily high temperature below 89°F. To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. The wetter season lasts 6.4 months, from April 17 to October 29, with a greater than 32% chance of a given day being a wet day. Water Precipitation in depth . A lot of rain (rainy season) falls in the month of: May, June, July, August, September and October. Notably, however, the weather was unusually hot and dry during the latter 1980's, and concerns about fires, tree survival, and economically sustainable yields surfaced. For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. The thin dotted line is the corresponding average liquid-equivalent snowfall. Based on weather reports collected during 1985â2015. In the wet season, the West African Monsoon causes exceptionally high rainfalls on the coastline of West Africa. The average hourly temperature, color coded into bands. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year. Shortwave radiation includes visible light and ultraviolet radiation. Mean annual temperature has increased by 0.8˚C between 1960 and 2006, an average rate of 0.18˚C per decade. The muggier period of the year lasts for 9.2 months, from March 25 to December 31, during which time the comfort level is muggy, oppressive, or miserable at least 48% of the time. Within 50 miles contains large variations in elevation (6,591 feet). The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands. Explore historical and projected climate data, climate data by sector, impacts, key vulnerabilities and what adaptation measures are being taken. Precipitation: 2.71". In this case, the MERRA-2 weight is 4%, making the weight assigned to the weather station 96%. Water Precipitation in Liberia. Mean annual rainfall over Liberia has decreased since 1960, however, it remains unclear if this is a long-term trend or due to the variability in rainfall for the region. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). Lower dew points feel drier and higher dew points feel more humid. Rainfall data Data from 14 manual rainfall stations and 1 automatic rainfall station are available for download (last updated 02 November 2020). Southern areas of the country receive rain year-round, while the rest of the country experiences two seasons due to the West African Monsoon. Weather data is prone to errors, outages, and other defects. West Africaâs climate is controlled by the interaction of two air masses, the influence of which varies throughout the year with the north-south movement of the Intertropical Convergence Zone (ITCZ). Control the animation using the slide bar found beneath the weather map. Liberia experiences extreme seasonal variation in monthly rainfall. 7-hour rain and snow forecast for Liberia, CR with 24-hour rain accumulation, radar and satellite maps of precipitation by Weather Underground. It should be noted an improvement from the previous month since in september it receives an average of 11.5in of rainfall over 27 days. This rate of decrease has been observed to be most rapid in March to May period. Select from the other forecast maps (on the right) to view the temperature, cloud cover, wind and precipitation for this country on a large scale with animation. This section reports on the wide-area average surface temperature of that water. The topography within 2 miles of Liberia contains only modest variations in elevation, with a maximum elevation change of 364 feet and an average elevation above sea level of 494 feet. The hot season lasts for 2.4 months, from February 23 to May 3, with an average daily high temperature above 94°F. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. Averages are for Liberia/Tomas Guard, which is 8 miles from Liberia. The rainless period of the year lasts for 4.0 months, from December 13 to April 11. ‘Cold nights’ have decreased by 18 days per year. We assume no responsibility for any decisions made on the basis of the content presented on this site. Based on this score, the best time of year to visit Liberia for general outdoor tourist activities is from early December to mid March, with a peak score in the second week of January. The average daily incident shortwave solar energy experiences some seasonal variation over the course of the year. There is significant rainfall in most months of the year. The darkest day of the year is October 2, with an average of 4.2 kWh. The short dry season has little effect on the overall climate. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. Rainfall ⦠Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . Source (PDF). Temperature variations are low because the country is located near the Equator, so the main difference between the seasons is found in the rains. The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. Liberia, Costa Rica - Travel and vacation weather averages, current conditions and forecasts. Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The rainy period of the year lasts for 8.0 months, from April 11 to December 13, with a sliding 31-day rainfall of at least 0.5 inches. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. Annual rainfall and snowfall in Liberia 2015 - 2020. The least muggy day of the year is February 2, with muggy conditions 31% of the time. Liberia Weather Map. The most rain falls during the 31 days centered around September 25, with an ⦠The drier season lasts 6.1 months, from November 8 to May 12. 2017 Monthly Precipitation Maps . All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. Rainfall is highest along the coast, but decreases towards Liberia’s interior plateaus and low mountains. Rainfall is highest along the coast, but decreases towards Liberiaâs interior plateaus and low mountains. In 2020, the shortest day is December 21, with 11 hours, 30 minutes of daylight; the longest day is June 20, with 12 hours, 45 minutes of daylight. Dew Point: 75 °F. The weather in october in Liberia (Guanacaste) is wet (with 12.6in of rainfall over 26 days). There are distinct wet and dry seasons, most of the rainfall occurring between late April and mid-November. Rain forests are characterized by high rainfall, with definitions setting minimum normal annual rainfall between 1,750 and 2,000 mm (69 and 79 in). Pressure: N/A. The rainy period of the year lasts for 8.0 months, from April 11 to December 13, with a sliding 31-day rainfall of at least 0.5 inches. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. Time zones for airports and weather stations are provided by AskGeo.com . In fact, Monrovia is the wettest capital city in the world in terms of annual precipitation. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). The chance of wet days in Monrovia varies very significantly throughout the year. The climate is very hot there in september. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. The Liberia lies on 151m above sea level Liberia has a tropical climate. The thin dotted lines are the corresponding average perceived temperatures. Founded: 1822 Location: Western coast of Liberia Motto: "The Love of Liberty Brought Us Here" (national motto) Time Zone: Greenwich Mean Time (GMT) Ethnic Composition: 16 major ethnic groups, the most numerous being the Bassa Elevation: 23 m (75 ft) Latitude and Longitude: 6°20â²N, 10°46â²W Climate: Warm and humid year round; rainy season between May and October It was established on land acquired for freed U.S. slaves by the American Colonization Society, which founded a colony at Cape Mesurado in 1821. 266.3 billion m³/year (Long-term average annual precipitation in volume (billion m³/year 2017) The chance of a wet day peaks at 61% on August 27.. Click on map to change chart data from country aggregated to site-specific data. Download ( last updated 02 November 2020 ) Sep Oct Nov Dec.,... On September 18 bar found beneath the weather in September it receives an hourly! Year, the best time of year lasts for 2.4 months, December... 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