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Average Weather in Kamsar Guinea

In Kamsar, the wet season is warm, oppressive, and overcast and the dry season is hot, muggy, and partly cloudy. Over the course of the year, the temperature typically varies from 71°F to 95°F and is rarely below 67°F or above 98°F.

The hot season lasts for 3.7 months, from January 20 to May 10, with an average daily high temperature above 92°F. The hottest day of the year is March 4, with an average high of 95°F and low of 74°F.

The cool season lasts for 3.6 months, from June 29 to October 17, with an average daily high temperature below 84°F. The coldest day of the year is January 3, with an average low of 71°F and high of 90°F.

Average High and Low Temperature

The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature

Average Hourly Temperature in Kamsar12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDeccomfortablewarmhot
The average hourly temperature, color coded into bands: frigid < 15°F < freezing < 32°F < chilly < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The shaded overlays indicate night and civil twilight.

Clouds

In Kamsar, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year in Kamsar begins around November 14 and lasts for 6.1 months, ending around May 16. On February 2, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 62% of the time, and overcast or mostly cloudy 38% of the time.

The cloudier part of the year begins around May 16 and lasts for 5.9 months, ending around November 14. On August 20, the cloudiest day of the year, the sky is overcast or mostly cloudy 85% of the time, and clear, mostly clear, or partly cloudy 15% of the time.

Cloud Cover

Cloud Cover in Kamsarclearerclearercloudier0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecAug 2085%Aug 2085%Feb 238%Feb 238%Nov 1462%Nov 1462%May 1662%May 1662%overcastmostly cloudypartly cloudymostly clearclear
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds: clear < 20% < mostly clear < 40% < partly cloudy < 60% < mostly cloudy < 80% < overcast.

Precipitation

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Kamsar varies very significantly throughout the year.

The wetter season lasts 4.5 months, from June 3 to October 18, with a greater than 47% chance of a given day being a wet day. The chance of a wet day peaks at 93% on August 19.

The drier season lasts 7.5 months, from October 18 to June 3. The smallest chance of a wet day is 0% on January 20.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 93% on August 19.

Daily Chance of Precipitation

Daily Chance of Precipitation in Kamsarwetdrydry0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecAug 1993%Aug 1993%Jan 200%Jan 200%Jan 10%Jan 10%Jun 347%Jun 347%Oct 1847%Oct 1847%rain
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).

Rainfall

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. Kamsar experiences extreme seasonal variation in monthly rainfall.

The rainy period of the year lasts for 6.6 months, from May 3 to November 21, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around August 13, with an average total accumulation of 20.5 inches.

The rainless period of the year lasts for 5.4 months, from November 21 to May 3. The least rain falls around February 4, with an average total accumulation of 0.0 inches.

Average Monthly Rainfall

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. The thin dotted line is the corresponding average liquid-equivalent snowfall.

Sun

The length of the day in Kamsar does not vary substantially over the course of the year, staying within 45 minutes of 12 hours throughout. In 2017, the shortest day is December 21, with 11 hours, 30 minutes of daylight; the longest day is June 21, with 12 hours, 45 minutes of daylight.

Hours of Daylight and Twilight

The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The earliest sunrise is at 6:34 AM on May 29, and the latest sunrise is 47 minutes later at 7:21 AM on January 26. The earliest sunset is at 6:32 PM on November 17, and the latest sunset is 53 minutes later at 7:25 PM on July 11.

Daylight saving time (DST) is not observed in Kamsar during 2017.

Sunrise & Sunset with Twilight

Sunrise & Sunset with Twilight in Kamsar2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDecMay 296:34 AMMay 296:34 AM7:25 PMJul 117:25 PMJul 11Nov 176:32 PMNov 176:32 PM7:21 AMJan 267:21 AMJan 26daynightnightnightnight
The solar day over the course of the year 2017. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

Humidity

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. 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.

Kamsar experiences extreme seasonal variation in the perceived humidity.

The muggier period of the year lasts for 9.6 months, from March 1 to December 21, during which time the comfort level is muggy, oppressive, or miserable at least 45% of the time. The muggiest day of the year is August 15, with muggy conditions 100% of the time.

The least muggy day of the year is January 13, with muggy conditions 27% of the time.

Humidity Comfort Levels

Humidity Comfort Levels in Kamsarmuggy0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJan 1327%Jan 1327%100%Aug 15100%Aug 15Mar 145%Mar 145%Dec 2145%Dec 2145%miserablemiserableoppressiveoppressivemuggymuggyhumidhumidcomfortablecomfortabledrydry
The percentage of time spent at various humidity comfort levels, categorized by dew point: dry < 55°F < comfortable < 60°F < humid < 65°F < muggy < 70°F < oppressive < 75°F < miserable.

Wind

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Kamsar experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 2.8 months, from June 23 to September 17, with average wind speeds of more than 3.7 miles per hour. The windiest day of the year is August 8, with an average hourly wind speed of 5.1 miles per hour.

The calmer time of year lasts for 9.2 months, from September 17 to June 23. The calmest day of the year is November 10, with an average hourly wind speed of 2.5 miles per hour.

Average Wind Speed

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The predominant average hourly wind direction in Kamsar varies throughout the year.

The wind is most often from the west for 9.5 months, from January 16 to October 31, with a peak percentage of 77% on May 3. The wind is most often from the north for 2.5 months, from October 31 to January 16, with a peak percentage of 39% on January 1.

Wind Direction

Wind Direction in KamsarNWN0%20%40%60%80%100%JanFebMarAprMayJunJulAugSepOctNovDecwestsoutheastnorth
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions (north, east, south, and west), excluding hours in which the mean wind speed is less than 1 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Water Temperature

Kamsar is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average water temperature experiences some seasonal variation over the course of the year.

The time of year with warmer water lasts for 2.0 months, from October 8 to December 8, with an average temperature above 83°F. The day of the year with the warmest water is November 15, with an average temperature of 84°F.

The time of year with cooler water lasts for 3.6 months, from January 8 to April 27, with an average temperature below 80°F. The day of the year with the coolest water is March 3, with an average temperature of 79°F.

Average Water Temperature

The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

Solar Energy

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy experiences some seasonal variation over the course of the year.

The brighter period of the year lasts for 2.6 months, from February 17 to May 6, with an average daily incident shortwave energy per square meter above 6.1 kWh. The brightest day of the year is April 7, with an average of 6.7 kWh.

The darker period of the year lasts for 5.0 months, from June 11 to November 10, with an average daily incident shortwave energy per square meter below 4.4 kWh. The darkest day of the year is October 19, with an average of 3.8 kWh.

Average Daily Incident Shortwave Solar Energy

Average Daily Incident Shortwave Solar Energy in Kamsarbrightdark0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWhJanFebMarAprMayJunJulAugSepOctNovDecApr 76.7 kWhApr 76.7 kWhOct 193.8 kWhOct 193.8 kWhFeb 176.1 kWhFeb 176.1 kWhJun 114.4 kWhJun 114.4 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

Topography

For the purposes of this report, the geographical coordinates of Kamsar are 10.667 deg latitude, -14.600 deg longitude, and 7 ft elevation.

The topography within 2 miles of Kamsar is essentially flat, with a maximum elevation change of 82 feet and an average elevation above sea level of 10 feet. Within 10 miles is essentially flat (161 feet). Within 50 miles contains only modest variations in elevation (1,444 feet).

The area within 2 miles of Kamsar is covered by artificial surfaces (53%) and water (33%), within 10 miles by water (49%) and cropland (28%), and within 50 miles by water (45%) and trees (27%).

Data Sources

This report illustrates the typical weather in Kamsar, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Kamsar is further than 200 kilometers from the nearest reliable weather station, so the weather-related data on this page were taken entirely from NASA's MERRA-2 satellite-era reanalysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

The temperature and dew point estimates are corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of Kamsar, according to the International Standard Atmosphere .

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , by Jean Meeus.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for aiports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.