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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, is a hot winter month in Koya, Sierra Leone, with temperature in the range of an average low of 24.1°C (75.4°F) and an average high of 31.4°C (88.5°F). In Koya, the highest average temperatures are observed in January, with a high of 31.4°C (88.5°F) and a low of 24.1°C (75.4°F). In January, the average heat index is evaluated at a very hot 38°C (100.4°F). Weather in January »
Weather in February
February, the last month of the winter in Koya, is also a hot month, with an average temperature fluctuating between 31.3°C (88.3°F) and 24.2°C (75.6°F). Koya observes an average high-temperature of a still hot 31.3°C (88.3°F) in February, barely different from 31.4°C (88.5°F) in January. Weather in February »
Weather in March
March, the first month of the spring in Koya, is still a tropical month, with an average temperature fluctuating between 31°C (87.8°F) and 24.6°C (76.3°F). Shifting into March, Koya records an average high-temperature of a still tropical 31°C (87.8°F), presenting minor fluctuations compared to the previous month. Weather in March »
Weather in April
April, like March, is another tropical spring month in Koya, Sierra Leone, with an average temperature ranging between max 30.8°C (87.4°F) and min 25.3°C (77.5°F). With the arrival of April, Koya's average high-temperature registers at a still hot 30.8°C (87.4°F), indicating a subtle variation from the previous month. Weather in April »
Weather in May
May, the last month of the spring in Koya, is another tropical month, with an average temperature varying between 30.7°C (87.3°F) and 26.2°C (79.2°F). The beginning of May records an average high-temperature of a still hot 30.7°C (87.3°F), almost echoing the conditions of the previous month. Weather in May »
Weather in June
June, the first month of the summer in Koya, is still a warm month, with an average temperature fluctuating between 25.3°C (77.5°F) and 29.3°C (84.7°F). The transition from May to June sees an average high-temperature of a moderately hot 29.3°C (84.7°F), indicating a minor variance from the prior month. Weather in June »
Weather in July
July, like June, in Koya, Sierra Leone, is another warm summer month, with temperature in the range of an average low of 24.3°C (75.7°F) and an average high of 27.8°C (82°F). July brings a marginal elevation to a still moderately hot 27.8°C (82°F) from June's 29.3°C (84.7°F) in Koya's average high-temperatures. Weather in July »
Weather in August
August, the last month of the summer in Koya, is another warm month, with an average temperature ranging between max 27.3°C (81.1°F) and min 23.9°C (75°F). August, with its high-temperature average of 27.3°C (81.1°F) and a low-temperature average of 23.9°C (75°F), is the coldest month. The heat index for August is evaluated at a tropical 31°C (87.8°F). Weather in August »
Weather in September
September, the first month of the autumn in Koya, is still a warm month, with temperature in the range of an average low of 24.4°C (75.9°F) and an average high of 28.1°C (82.6°F). Koya experiences a transition to a still moderately hot 28.1°C (82.6°F) in average high-temperatures with the arrival of September, not greatly differing from August's 27.3°C (81.1°F). Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Koya, Sierra Leone, with an average temperature varying between 25°C (77°F) and 29.5°C (85.1°F). Koya records an average high-temperature of a still warm 29.5°C (85.1°F) in October, maintaining a close correlation with September's 28.1°C (82.6°F). Weather in October »
Weather in November
November, the last month of the autumn in Koya, is a hot month, with an average temperature fluctuating between 25.3°C (77.5°F) and 30.1°C (86.2°F). November denotes a minimal variation in the average high-temperature to a hot 30.1°C (86.2°F) from October's 29.5°C (85.1°F). Weather in November »
Weather in December
December, the first month of the winter in Koya, is still a tropical month, with an average temperature varying between 24.5°C (76.1°F) and 31°C (87.8°F). As Koya welcomes December, the average high-temperature stabilizes at a still tropical 31°C (87.8°F), showing little deviation from November's 30.1°C (86.2°F). Weather in December »
Updated: Jan 26, 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
What time of the year is the hottest in Koya?
In Koya, January is the month with the highest recorded average temperatures, measuring a high of 31.4°C (88.5°F) and a low of 24.1°C (75.4°F).
What is the least humid month in Koya?
The least humid month in Koya, Sierra Leone, is January, with an average relative humidity of 68%.
How many days does it rain in Koya?
In Koya, Sierra Leone, during the entire year, the rain falls for 205.9 days and collects up to 1507mm (59.33") of precipitation.
What is the month with the highest UV index in Koya?
January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index in Koya.
What is the driest month in Koya?
The month with the least rainfall is February, when the rain falls for 0.8 days and typically collects 1mm (0.04") of precipitation.
What month has the most sunshine in Koya?
February has the most sunshine of the year in Koya, with an average of 9.9h of sunshine.
When are the longest days in Koya?
The month with the longest days in Koya, Sierra Leone, is June, with an average of 12h and 36min of daylight.
What is the month with the lowest UV index in Koya?
July and August, with an average maximum UV index of 6, are months with the lowest UV index in Koya.
What is the coldest time of year in Koya?
August, known for its average high temperature of 27.3°C (81.1°F) and an average low temperature of 23.9°C (75°F), is the coldest month.
What is the most humid month in Koya?
August is the most humid month in Koya, with an average relative humidity of 86%.
What is the wettest month in Koya?
The month with the most rainfall is August, when the rain falls for 30.2 days and typically aggregates up to 391mm (15.39") of precipitation.
What is the month with the least sunshine in Koya?
The month with the least sunshine in Koya is August, with an average of 4.8h of sunshine.
What is the month with the shortest days in Koya?
December has the shortest days of the year, with an average of 11h and 36min of daylight.
Is there Daylight Saving Time (DST) in Koya?
Koya, Sierra Leone, does not observe Daylight Saving Time (DST). GMT timezone is used over the entire year.
Average temperature
Koya, Sierra Leone
The warmest month (with the highest average high temperature) is January (31.4°C).
The month with the lowest average high temperature is August (27.3°C).
The month with the highest average low temperature is May (26.2°C).
The coldest month (with the lowest average low temperature) is August (23.9°C).
Average pressure
Koya, Sierra Leone
- Average pressure in January:
1011.2mbar - Average pressure in February:
1010.4mbar - Average pressure in March:
1010.4mbar - Average pressure in April:
1010.5mbar - Average pressure in May:
1011.6mbar - Average pressure in June:
1013.3mbar
- Average pressure in July:
1013.8mbar - Average pressure in August:
1013.4mbar - Average pressure in September:
1012.8mbar - Average pressure in October:
1011.6mbar - Average pressure in November:
1010.9mbar - Average pressure in December:
1011.1mbar
The month with the highest atmospheric pressure is July (1013.8mbar).
The months with the lowest atmospheric pressure are February and March (1010.4mbar).
Average wind speed
Koya, Sierra Leone
- Average wind speed in January:
9.3km/h - Average wind speed in February:
10.7km/h - Average wind speed in March:
11.6km/h - Average wind speed in April:
11.6km/h - Average wind speed in May:
10.4km/h - Average wind speed in June:
9.7km/h
- Average wind speed in July:
11.3km/h - Average wind speed in August:
12km/h - Average wind speed in September:
9.5km/h - Average wind speed in October:
7.6km/h - Average wind speed in November:
6.8km/h - Average wind speed in December:
7.6km/h
The windiest month (with the highest average wind speed) is August (12km/h).
The calmest month (with the lowest average wind speed) is November (6.8km/h).
Average humidity
Koya, Sierra Leone
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (68%).
Average rainfall
Koya, Sierra Leone
The wettest month (with the highest rainfall) is August (391mm).
The driest month (with the least rainfall) is February (1mm).
Average rainfall days
Koya, Sierra Leone
- Average rainfall days in January:
1.4 days - Average rainfall days in February:
0.8 days - Average rainfall days in March:
5.8 days - Average rainfall days in April:
9.7 days - Average rainfall days in May:
19.6 days - Average rainfall days in June:
27.3 days
- Average rainfall days in July:
30.3 days - Average rainfall days in August:
30.2 days - Average rainfall days in September:
28.6 days - Average rainfall days in October:
27.9 days - Average rainfall days in November:
20.3 days - Average rainfall days in December:
4 days
The month with the highest number of rainy days is July (30.3 days).
The month with the least rainy days is February (0.8 days).
Average daylight / Average sunshine
Koya, Sierra Leone
- Average daylight in January:
11h and 4min - Average daylight in February:
11h and 5min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 2min - Average daylight in May:
12h and 3min - Average daylight in June:
12h and 4min
- Average daylight in July:
12h and 4min - Average daylight in August:
12h and 2min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 5min - Average daylight in November:
11h and 4min - Average daylight in December:
11h and 4min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in January:
9h and 5min - Average sunshine in February:
9h and 5min - Average sunshine in March:
9h and 4min - Average sunshine in April:
9h and 3min - Average sunshine in May:
8h and 2min - Average sunshine in June:
6h and 4min
- Average sunshine in July:
5h and 3min - Average sunshine in August:
4h and 5min - Average sunshine in September:
6h and 4min - Average sunshine in October:
8h and 0min - Average sunshine in November:
9h and 1min - Average sunshine in December:
9h and 4min
The month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 4h and 48min).
Average sunshine days
Koya, Sierra Leone
- Average sunshine days in January:
29 days - Average sunshine days in February:
27.2 days - Average sunshine days in March:
24.6 days - Average sunshine days in April:
18.6 days - Average sunshine days in May:
8.8 days - Average sunshine days in June:
1.5 days
- Average sunshine days in July:
0.6 days - Average sunshine days in August:
0.5 days - Average sunshine days in September:
0.8 days - Average sunshine days in October:
2.3 days - Average sunshine days in November:
7.5 days - Average sunshine days in December:
25.5 days
The month with the most sunshine days is January (29 days).
The month with the least sunshine days is August (0.5 days).
Average UV index
Koya, Sierra Leone
The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover
Koya, Sierra Leone
The month with the most cloud cover is August (Cloud cover 67).
The month with the least cloud cover is February (Cloud cover 11).
Average visibility
Koya, Sierra Leone
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).
