Climate and monthly weather forecastKoumana, Guinea
Climate and monthly weather forecast
Weather in January
January, like December, is a hot winter month in Koumana, Guinea, with temperature in the range of an average high of 34.7°C (94.5°F) and an average low of 18.1°C (64.6°F). The ushering in of January brings an average high-temperature of a still hot 34.7°C (94.5°F), closely mirroring the 33.9°C (93°F) of December. Weather in January »Weather in February
The last month of the winter, February, is a fiery hot month in Koumana, Guinea, with temperature in the range of an average low of 20.7°C (69.3°F) and an average high of 37.2°C (99°F). Koumana marks the start of February with an average high-temperature of a fiery hot 37.2°C (99°F), hinting at a slight fluctuation from January's 34.7°C (94.5°F). Weather in February »Weather in March
March, the first month of the spring in Koumana, is still a torrid month, with an average temperature ranging between max 39.4°C (102.9°F) and min 23.5°C (74.3°F). With an average high-temperature of 39.4°C (102.9°F) and an average low-temperature of 23.5°C (74.3°F), March is the warmest month. In Koumana, the average relative humidity in March is 32%. Weather in March »Weather in April
April, like March, in Koumana, Guinea, is another torrid spring month, with an average temperature varying between 25.3°C (77.5°F) and 39.3°C (102.7°F). The average high-temperature during April is a still sweltering 39.3°C (102.7°F), almost matching the conditions of the preceding month. Weather in April »Weather in May
The last month of the spring, May, is another very hot month in Koumana, Guinea, with an average temperature fluctuating between 36.9°C (98.4°F) and 24.1°C (75.4°F). The introduction of May notes a subtle temperature variation to a still torrid 36.9°C (98.4°F) from April's 39.3°C (102.7°F). Weather in May »Weather in June
June, the first month of the summer in Koumana, is still a hot month, with temperature in the range of an average low of 22.1°C (71.8°F) and an average high of 34°C (93.2°F). Koumana, Guinea, indicates an average high-temperature of a hot 34°C (93.2°F) in June, showing minor variation from May's 36.9°C (98.4°F). Weather in June »Weather in July
July, like June, is another tropical summer month in Koumana, Guinea, with an average temperature ranging between max 30.1°C (86.2°F) and min 21°C (69.8°F). Koumana's July weather shows a modest shift in high-temperatures, falling from June's tropical 34°C (93.2°F) to a still hot 30.1°C (86.2°F). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Koumana, Guinea, with an average temperature ranging between min 21°C (69.8°F) and max 28.3°C (82.9°F). Koumana's August weather, with an average high temperature of 28.3°C (82.9°F) and an average low temperature of 21°C (69.8°F), tends to be the coldest of the year. The heat index in August is evaluated at a very hot 35°C (95°F). Weather in August »Weather in September
September, the first month of the autumn in Koumana, is still a warm month, with an average temperature ranging between min 20.8°C (69.4°F) and max 29.3°C (84.7°F). The onset of September notes an average high-temperature of a still warm 29.3°C (84.7°F), subtly shifted from August's 28.3°C (82.9°F). Weather in September »Weather in October
October is a tropical autumn month in Koumana, Guinea, with an average temperature ranging between max 31.6°C (88.9°F) and min 21.1°C (70°F). October's advent denotes a minor fluctuation in the average high-temperature to a hot 31.6°C (88.9°F) from September's 29.3°C (84.7°F). Weather in October »Weather in November
November, the last month of the autumn in Koumana, is also a hot month, with temperature in the range of an average low of 20.5°C (68.9°F) and an average high of 33.5°C (92.3°F). November's presence marks an average high-temperature of a still tropical 33.5°C (92.3°F), subtly varied from October's 31.6°C (88.9°F). Weather in November »Weather in December
The first month of the winter, December, is also a hot month in Koumana, Guinea, with an average temperature varying between 33.9°C (93°F) and 18.2°C (64.8°F). Koumana's average high-temperature in December is a still hot 33.9°C (93°F), indicating a subtle variation from November. Weather in December »Updated: Feb 15, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The least humid month in Koumana is January, with an average relative humidity of 19%.
Months with rainfall are January through November.
Throughout the year, there are 154.5 rainfall days, and 814mm (32.05") of precipitation is accumulated.
The months with the most sunshine in Koumana are February and December, with an average of 9.9h of sunshine.
In Koumana, Guinea, temperatures reach their average annual highs in March, measuring 39.4°C (102.9°F) and a minimum average of 23.5°C (74.3°F).
March and April, with an average maximum UV index of 8, are months with the highest UV index in Koumana.
June has the longest days of the year, with an average of 12h and 42min of daylight.
July through September and December, with an average maximum UV index of 6, are months with the lowest UV index.
August is the month that records the lowest temperatures, with averages ranging from a high of 28.3°C (82.9°F) to a low of 21°C (69.8°F).
With an average relative humidity of 89%, August is the most humid month in Koumana.
The month with the most rainfall in Koumana, Guinea, is August, when the rain falls for 28 days and typically aggregates up to 213mm (8.39") of precipitation.
August has the least sunshine of the year in Koumana, Guinea, with an average of 6h of sunshine.
December is the only month when rain does not fall in Koumana.
December has the shortest days of the year in Koumana, Guinea, with an average of 11h and 30min of daylight.
Koumana, Guinea, does not observe Daylight Saving Time (DST). GMT timezone is used over the entire year.
Average temperature
Koumana, Guinea
The warmest month (with the highest average high temperature) is March (39.4°C).
The month with the lowest average high temperature is August (28.3°C).
The month with the highest average low temperature is April (25.3°C).
The coldest month (with the lowest average low temperature) is January (18.1°C).
Average pressure
Koumana, Guinea
- Average pressure in January:
1012.2mbar - Average pressure in February:
1010.5mbar - Average pressure in March:
1009.6mbar - Average pressure in April:
1009.4mbar - Average pressure in May:
1010.8mbar - Average pressure in June:
1012.7mbar
- Average pressure in July:
1013.4mbar - Average pressure in August:
1013.2mbar - Average pressure in September:
1012.9mbar - Average pressure in October:
1011.7mbar - Average pressure in November:
1011.1mbar - Average pressure in December:
1012.1mbar
The month with the highest atmospheric pressure is July (1013.4mbar).
The month with the lowest atmospheric pressure is April (1009.4mbar).
Average wind speed
Koumana, Guinea
- Average wind speed in January:
6.9km/h - Average wind speed in February:
7.1km/h - Average wind speed in March:
7km/h - Average wind speed in April:
8km/h - Average wind speed in May:
8.2km/h - Average wind speed in June:
7.8km/h
- Average wind speed in July:
7.5km/h - Average wind speed in August:
7.2km/h - Average wind speed in September:
5.3km/h - Average wind speed in October:
4.9km/h - Average wind speed in November:
4.9km/h - Average wind speed in December:
6.6km/h
The windiest month (with the highest average wind speed) is May (8.2km/h).
The calmest months (with the lowest average wind speed) are October and November (4.9km/h).
Average humidity
Koumana, Guinea
The month with the highest relative humidity is August (89%).
The month with the lowest relative humidity is January (19%).
Average rainfall
Koumana, Guinea
The wettest month (with the highest rainfall) is August (213mm).
The driest month (with the least rainfall) is December (0mm).
Average rainfall days
Koumana, Guinea
- Average rainfall days in January:
0.6 days - Average rainfall days in February:
0.9 days - Average rainfall days in March:
4.2 days - Average rainfall days in April:
9.5 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
21.9 days
- Average rainfall days in July:
27.3 days - Average rainfall days in August:
28 days - Average rainfall days in September:
25.8 days - Average rainfall days in October:
15.5 days - Average rainfall days in November:
3.5 days - Average rainfall days in December:
0 days
The month with the highest number of rainy days is August (28 days).
The month with the least rainy days is December (0 days).
Average daylight / Average sunshine
Koumana, Guinea
- Average daylight in January:
11h and 36min - Average daylight in February:
11h and 48min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 24min - Average daylight in May:
12h and 36min - Average daylight in June:
12h and 42min
- Average daylight in July:
12h and 42min - Average daylight in August:
12h and 30min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 54min - Average daylight in November:
11h and 36min - Average daylight in December:
11h and 30min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in January:
9h and 48min - Average sunshine in February:
9h and 54min - Average sunshine in March:
9h and 48min - Average sunshine in April:
9h and 42min - Average sunshine in May:
9h and 18min - Average sunshine in June:
8h and 54min
- Average sunshine in July:
7h and 0min - Average sunshine in August:
6h and 0min - Average sunshine in September:
7h and 48min - Average sunshine in October:
9h and 18min - Average sunshine in November:
9h and 48min - Average sunshine in December:
9h and 54min
The months with the most sunshine are February and December (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 6h and 0min).
Average sunshine days
Koumana, Guinea
- Average sunshine days in January:
30.4 days - Average sunshine days in February:
26.8 days - Average sunshine days in March:
25.9 days - Average sunshine days in April:
19.3 days - Average sunshine days in May:
12 days - Average sunshine days in June:
6.3 days
- Average sunshine days in July:
1.9 days - Average sunshine days in August:
2.5 days - Average sunshine days in September:
2.7 days - Average sunshine days in October:
12.8 days - Average sunshine days in November:
25.9 days - Average sunshine days in December:
30.9 days
The month with the most sunshine days is December (30.9 days).
The month with the least sunshine days is July (1.9 days).
Average UV index
Koumana, Guinea
The months with the highest UV index are March and April (UV index 8).
The months with the lowest UV index are July, August, September and December (UV index 6).
Average cloud cover
Koumana, Guinea
The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is December (Cloud cover 6).
Average visibility
Koumana, Guinea
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are August and September (7km).
