Climate and monthly weather forecastWilberforce, Sierra Leone
Climate and monthly weather forecast
The climate of Wilberforce
Wilberforce falls under the climatic domain classified as Am by Köppen, more popularly known as the tropical monsoon climate. Geographically positioned in Sierra Leone, the town experiences a significant disparity between the wet and dry seasons. Weather conditions oscillate between hot, humid periods and heavy rainfall spanning a considerable portion of the year.Throughout the year, the temperature ranges between a high of 31.4°C (88.5°F) occurring in January and a relatively cooler low of 23.9°C (75°F) in August. The humidity is consistently high, reaching a peak of 86% in the months of August and September and a minimum of 68% in January. Rainy days in Wilberforce extend from March to November, principally in July and August receiving up to 389mm (15.31") and 391mm (15.39") of rainfall respectively. December to February are the driest months with an average rainfall of merely 1mm (0.04") to 2mm (0.08").
The sun in Wilberforce shines for an average of 5.5 hours in July to a high of 9.8 hours in January. The wind speed varies from a low of 6.8km/h (4.2mph) in November to a high of 12km/h (7.5mph) in August with gusts reaching 18.4km/h (11.4mph).
The best time to visit Wilberforce
The ideal time to enjoy a trip to Wilberforce is in December and January. In these months, rain is at its minimum and with relative humidity dropping to a low of 68% coupled with abundant sunshine extending nearly 10 hours, the weather is most inviting. The pleasing temperature during these months with a high of 31.3°C (88.3°F) to 31.4°C (88.5°F) and low of 24.1°C (75.4°F) to 24.2°C (75.6°F) assures a comfortable environment.The worst time to visit Wilberforce
A trip to Wilberforce is least favorable in the monsoon months of July and August. The rainfall hits its maxima, climbing from 387mm (15.24") to 391mm (15.39"). Concurrently, the humidity also peaks at 86% during these months, resulting in an incredibly moist atmosphere. Hence, outdoor activities may be hindered.Spring weather in Wilberforce
Wilberforce does not experience a typical spring season due to its location near the equator. Nonetheless, the period from March to May sees a rise in rainfall, shifting from 6mm (0.24") to 66mm (2.6"), along with humidity elevating from 73% to 78%. Temperatures stay relatively steady, with highs ranging from 31°C (87.8°F) to 30.8°C (87.4°F) and lows varying from 24.6°C (76.3°F) to 26.2°C (79.2°F).Summer weather in Wilberforce
The "summer" months in Wilberforce, primarily June to August, coincide with the peak of the monsoon season. The quantity of rainfall swells considerably during these months, reaching up to 391mm (15.39") in August along with relative humidity soaring to a maxima of 86%. Temperature peaks fall to around 28°C (82.4°F).Autumn weather in Wilberforce
No distinct autumn season exists in Wilberforce due to its tropical climate. However, from September to November, rainfall reduces from 220mm (8.66") to 59mm (2.32") and relative humidity decreases from 85% to 80%. Temperatures remain consistent, but the increase of wind speed from 9.5km/h (5.9mph) to 6.8km/h (4.2mph) provides a crispness in the air.Winter weather in Wilberforce
December to February marks the "winter" season in Wilberforce, characterized by relatively lower temperatures and reduced precipitation. During these months, rainfall tapers down to a low of 1mm (0.04") to 2mm (0.08"), and the temperatures fluctuate between a high of 31.4°C (88.5°F) to 30.7°C (87.3°F) and a low of 24.1°C (75.4°F) to 25.3°C (77.5°F).Weather in January
January marks the commencement of a new year and brings mild weather conditions to Wilberforce, Sierra Leone. The climate slightly differs from the temperatures of the full-blown heat in December, with highs of 31.4°C (88.5°F) and lows of 24.1°C (75.4°F). Weather in January »Weather in February
The climate of February closely resembles that of January. It's a breather for locals and tourists alike following high December temperatures. The climate characteristics in February involve the continuation of the trend from January, despite a slight increase in relative humidity and lower wind speeds. Weather in February »Weather in March
March in Wilberforce, Sierra Leone, witnesses a mild transition in weather. Relative humidity and rainfall begin to climb from the lower levels of the preceding months. The rise in rainfall contributes to the modest increase in humidity, while wind speeds slightly rise from those record in February, marking a wind speed of 11.6km/h (7.2mph). Weather in March »Weather in April
The peak of the dry season in Wilberforce, Sierra Leone, is at hand by April. A marked increase in rainfall to 18mm (0.71") and a significant rise in relative humidity are the distinctive features of this month. The increase in precipitation contrasts significantly with the low levels of rainfall observed from January to March. Weather in April »Weather in May
May marks a substantial shift in the weather pattern in Wilberforce, Sierra Leone, as the wet season commences, with rainfall increasing dramatically to measurements averaging 66mm (2.6"). This heavy precipitation jump results in soaring relative humidity levels. Weather in May »Weather in June
June in Wilberforce experiences a further intensification of the wet season. Pronounced changes across most climatological parameters transpire, specifically, average rainfall increases to an all-time high of 199mm (7.83"). Amid this weather, temperatures moderately decline, while persistent rains contribute to further enhancing relative humidity. Weather in June »Weather in July
July in Wilberforce, Sierra Leone, presents weather conditions at their most extreme. The town experiences it's highest ever recorded rainfall of 387mm (15.24") this month. July's climate further entails an increase in relative humidity and cloud coverage, while wind speeds slightly climb as well. Weather in July »Weather in August
The extreme wet pattern pervades in August in Wilberforce. Just as in July, rainfall keeps up at its peak, reaching 391mm (15.39"), the maximum for any month. The wind also blows at its highest velocity this month, recording speeds of 12km/h (7.5mph). Weather in August »Weather in September
September witnesses a gradual weather transition in Wilberforce. The rainfall starts to sharply decline from the peaks of the previous months, culminating in 220mm (8.66"). A corresponding downward trend in humidity and wind speeds is also observed. Weather in September »Weather in October
The month of October indicates a clearer shift towards the dry season in Wilberforce, Sierra Leone. The decrease in rainfall further continues from the previous month, dropping to 151mm (5.94"). This decline in rain subsequently brings about a drop in humidity levels. Weather in October »Weather in November
As November approaches in Wilberforce, Sierra Leone, there's a more noticeable transition from the rainy to the dry season. With reduced rainfall of 59mm (2.32") and lowered humidity levels, conditions begin to resemble those of the early dry months. Weather in November »Weather in December
December concludes the year in Wilberforce with the full onset of the dry season. Weather conditions revert to the mild state synonymous with the beginning of the year, with temperatures peaking at 31°C (87.8°F). Rainfall significantly decreases to 7mm (0.28"), plummeting from the high figures of the wet season. Weather in December »Updated: Jan 27, 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
Wilberforce, Sierra Leone, reaches its average highest temperatures in January, measuring 31.4°C (88.5°F) at the peak and 24.1°C (75.4°F) at the lowest.
The least humid month in Wilberforce is January, with an average relative humidity of 68%.
In Wilberforce, Sierra Leone, during the entire year, the rain falls for 205.9 days and collects up to 1507mm (59.33") of precipitation.
January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index.
The month with the least rainfall in Wilberforce, Sierra Leone, is February, when the rain falls for 0.8 days and typically collects 1mm (0.04") of precipitation.
With an average of 9.9h of sunshine, February has the most sunshine of the year in Wilberforce, Sierra Leone.
The month with the longest days in Wilberforce, Sierra Leone, is June, with an average of 12h and 36min of daylight.
July and August, with an average maximum UV index of 6, are months with the lowest UV index in Wilberforce, Sierra Leone.
Wilberforce, Sierra Leone, notes the coldest temperatures in August, with a average high of 27.3°C (81.1°F) and a low of 23.9°C (75°F).
With an average relative humidity of 86%, August is the most humid month.
August is the month with the most rainfall in Wilberforce, Sierra Leone. Rain falls for 30.2 days and accumulates 391mm (15.39") of precipitation.
August has the least sunshine of the year in Wilberforce, with an average of 4.8h of sunshine.
December has the shortest days of the year in Wilberforce, Sierra Leone, with an average of 11h and 36min of daylight.
Wilberforce does not utilize Daylight Saving Time (DST). GMT timezone is used throughout the entire year.
Average temperature
Wilberforce, 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
Wilberforce, 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
Wilberforce, 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
Wilberforce, Sierra Leone
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (68%).
Average rainfall
Wilberforce, 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
Wilberforce, 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
Wilberforce, Sierra Leone
- Average daylight in January:
11h and 42min - Average daylight in February:
11h and 54min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 18min - Average daylight in May:
12h and 30min - Average daylight in June:
12h and 36min
- Average daylight in July:
12h and 36min - Average daylight in August:
12h and 24min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 54min - Average daylight in November:
11h and 42min - Average daylight in December:
11h and 36min
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 48min - Average sunshine in February:
9h and 54min - Average sunshine in March:
9h and 42min - Average sunshine in April:
9h and 30min - Average sunshine in May:
8h and 18min - Average sunshine in June:
6h and 36min
- Average sunshine in July:
5h and 30min - Average sunshine in August:
4h and 48min - Average sunshine in September:
6h and 42min - Average sunshine in October:
8h and 0min - Average sunshine in November:
9h and 6min - Average sunshine in December:
9h and 42min
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
Wilberforce, 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
Wilberforce, 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
Wilberforce, 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
Wilberforce, 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).
