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Fall Weather in Kankan Guinea

Daily high temperatures increase by 7°F, from 82°F to 89°F, rarely falling below 79°F or exceeding 98°F.

Daily low temperatures decrease by 6°F, from 70°F to 64°F, rarely falling below 58°F or exceeding 72°F. The highest daily average low temperature is 70°F on October 3.

For reference, on March 18, the hottest day of the year, temperatures in Kankan typically range from 73°F to 101°F, while on December 30, the coldest day of the year, they range from 61°F to 92°F.

Average High and Low Temperature in the Fall in Kankan

Average High and Low Temperature in the Fall in KankanSepOctNov55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°F95°F95°F100°F100°FSummerWinterSep 182°FSep 182°F70°F70°FNov 3089°FNov 3089°F64°F64°FOct 185°FOct 185°F70°F70°FNov 187°FNov 187°F69°F69°F
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 hourly average fall temperatures. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in the Fall in Kankan

Average Hourly Temperature in the Fall in KankanSepOctNov12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMSummerWintercoolcomfortablecomfortablewarmhot
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Kudachi, Karnataka, India (5,639 miles away) and Mandya, Karnataka, India (5,818 miles) are the far-away foreign places with temperatures most similar to Kankan (view comparison).

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The fall in Kankan experiences very rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 72% to 45%.

The clearest day of the fall is November 30, with clear, mostly clear, or partly cloudy conditions 55% of the time.

For reference, on August 13, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 76%, while on January 18, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 64%.

Cloud Cover Categories in the Fall in Kankan

Cloud Cover Categories in the Fall in KankanSepOctNov0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SummerWinterSep 128%Sep 128%Nov 3055%Nov 3055%Oct 136%Oct 136%Nov 143%Nov 143%clearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Kankan, the chance of a wet day over the course of the fall is very rapidly decreasing, starting the season at 88% and ending it at 4%.

For reference, the year's highest daily chance of a wet day is 91% on August 13, and its lowest chance is 1% on January 9.

Probability of Precipitation in the Fall in Kankan

Probability of Precipitation in the Fall in KankanSepOctNov0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SummerWinterSep 188%Sep 188%Nov 304%Nov 304%Oct 164%Oct 164%Nov 120%Nov 120%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 season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the fall in Kankan is very rapidly decreasing, starting the season at 11.3 inches, when it rarely exceeds 18.4 inches or falls below 4.5 inches, and ending the season at 0.2 inches, when it rarely exceeds 0.6 inches or falls below -0.0 inches.

Average Monthly Rainfall in the Fall in Kankan

Average Monthly Rainfall in the Fall in KankanSepOctNov0 in0 in5 in5 in10 in10 in15 in15 in20 in20 inSummerWinterSep 111.3 inSep 111.3 inNov 300.2 inNov 300.2 inOct 15.6 inOct 15.6 inNov 11.3 inNov 11.3 in
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 snowfall.

Over the course of the fall in Kankan, the length of the day is decreasing. From the start to the end of the season, the length of the day decreases by 45 minutes, implying an average daily decrease of 30 seconds, and weekly decrease of 3 minutes, 28 seconds.

The shortest day of the fall is November 30, with 11 hours, 34 minutes of daylight and the longest day is September 1, with 12 hours, 18 minutes of daylight.

Hours of Daylight and Twilight in the Fall in Kankan

Hours of Daylight and Twilight in the Fall in KankanSepOctNov0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSummerWinterSep 2212 hr, 7 minSep 2212 hr, 7 minnightnightdaydayNov 3011 hr, 34 minNov 3011 hr, 34 minNov 111 hr, 45 minNov 111 hr, 45 min
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 of the fall in Kankan is 6:25 AM on October 7 and the latest sunrise is 13 minutes later at 6:39 AM on November 30.

The latest sunset is 6:46 PM on September 1 and the earliest sunset is 35 minutes earlier at 6:11 PM on November 16.

Daylight saving time is not observed in Kankan during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 6:16 AM and sets 12 hours, 44 minutes later, at 7:00 PM, while on December 21, the shortest day of the year, it rises at 6:49 AM and sets 11 hours, 31 minutes later, at 6:21 PM.

Sunrise & Sunset with Twilight in the Fall in Kankan

Sunrise & Sunset with Twilight in the Fall in KankanSepOctNov2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMSummerWinter6:25 AM6:25 AMOct 76:23 PMOct 76:23 PM6:27 AM6:27 AMSep 16:46 PMSep 16:46 PM6:32 AM6:32 AMNov 166:11 PMNov 166:11 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day in the fall. 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.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth in the Fall in Kankan

Solar Elevation and Azimuth in the Fall in KankanSepOctNov12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMSummerWinter001020203030405050606070800010102030304040506070
northeastsouthwest
Solar elevation and azimuth in the the fall of 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for the fall of 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

Moon Rise, Set & Phases in the Fall in Kankan

Moon Rise, Set & Phases in the Fall in KankanSepOctNov12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSummerWinterAug 411:14 AMAug 411:14 AMAug 196:26 PMAug 196:26 PMSep 31:56 AMSep 31:56 AMSep 182:35 AMSep 182:35 AMOct 26:50 PMOct 26:50 PMOct 1711:27 AMOct 1711:27 AMNov 112:48 PMNov 112:48 PMNov 159:29 PMNov 159:29 PMDec 16:22 AMDec 16:22 AMDec 159:02 AMDec 159:02 AMDec 3010:28 PMDec 3010:28 PM7:18 PM7:18 PM6:58 PM6:58 PM7:03 AM7:03 AM6:41 AM6:41 AM7:11 PM7:11 PM6:19 PM6:19 PM6:40 AM6:40 AM6:06 AM6:06 AM5:37 PM5:37 PM6:15 AM6:15 AM6:17 AM6:17 AM6:12 PM6:12 PM5:52 PM5:52 PM6:59 AM6:59 AM6:27 PM6:27 PM5:30 PM5:30 PM6:48 AM6:48 AM6:09 PM6:09 PM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

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.

The chance that a given day will be muggy in Kankan is very rapidly decreasing during the fall, falling from 100% to 18% over the course of the season.

For reference, on August 8, the muggiest day of the year, there are muggy conditions 100% of the time, while on December 31, the least muggy day of the year, there are muggy conditions 1% of the time.

Humidity Comfort Levels in the Fall in Kankan

Humidity Comfort Levels in the Fall in KankanSepOctNov0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SummerWinterSep 1100%Sep 1100%Nov 3018%Nov 3018%Oct 199%Oct 199%Nov 175%Nov 175%oppressiveoppressivemuggymuggydrydryhumidhumidcomfortablecomfortable
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

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 Kankan is essentially constant during the fall, remaining within 0.6 miles per hour of 5.2 miles per hour throughout.

For reference, on April 15, the windiest day of the year, the daily average wind speed is 7.6 miles per hour, while on October 15, the calmest day of the year, the daily average wind speed is 4.6 miles per hour.

The lowest daily average wind speed during the fall is 4.6 miles per hour on October 15.

Average Wind Speed in the Fall in Kankan

Average Wind Speed in the Fall in KankanSepOctNov0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mphSummerWinterOct 154.6 mphOct 154.6 mphSep 15.8 mphSep 15.8 mphNov 305.7 mphNov 305.7 mphNov 14.7 mphNov 14.7 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The wind direction in Kankan during the fall is predominantly out of the west from September 1 to September 18 and the east from September 18 to November 30.

Wind Direction in the Fall in Kankan

Wind Direction in the Fall in KankanWESepOctNov0%100%20%80%40%60%60%40%80%20%100%0%SummerWinterwesteastnorthsouth
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

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).

Temperatures in Kankan are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Time Spent in Various Temperature Bands and the Growing Season in the Fall in Kankan

Time Spent in Various Temperature Bands and the Growing Season in the Fall in KankanSepOctNov0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SummerWinter100%Oct 16100%Oct 16coolcomfortablewarmhotsweltering
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

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. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Kankan are very rapidly increasing during the fall, increasing by 2,394°F, from 7,002°F to 9,396°F, over the course of the season.

Growing Degree Days in the Fall in Kankan

Growing Degree Days in the Fall in KankanSepOctNov7,000°F7,000°F7,500°F7,500°F8,000°F8,000°F8,500°F8,500°F9,000°F9,000°F9,500°F9,500°FSummerWinterSep 17,002°FSep 17,002°FNov 309,396°FNov 309,396°FOct 17,798°FOct 17,798°FNov 18,640°FNov 18,640°F
The average growing degree days accumulated over the course of the fall, with 25th to 75th and 10th to 90th percentile bands.

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 in Kankan is essentially constant during the fall, remaining within 0.3 kWh of 5.2 kWh throughout.

Average Daily Incident Shortwave Solar Energy in the Fall in Kankan

Average Daily Incident Shortwave Solar Energy in the Fall in KankanSepOctNov0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWhSummerWinterSep 14.9 kWhSep 14.9 kWhNov 305.4 kWhNov 305.4 kWhOct 15.2 kWhOct 15.2 kWhNov 15.4 kWhNov 15.4 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.

For the purposes of this report, the geographical coordinates of Kankan are 10.385 deg latitude, -9.306 deg longitude, and 1,250 ft elevation.

The topography within 2 miles of Kankan contains only modest variations in elevation, with a maximum elevation change of 118 feet and an average elevation above sea level of 1,242 feet. Within 10 miles also contains only modest variations in elevation (407 feet). Within 50 miles contains only modest variations in elevation (1,453 feet).

The area within 2 miles of Kankan is covered by artificial surfaces (74%) and cropland (18%), within 10 miles by grassland (37%) and trees (34%), and within 50 miles by trees (55%) and grassland (28%).

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

Kankan 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 Kankan, 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 Algorithms 2nd Edition , 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 airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

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