Climate and monthly weather forecast
Bum, Sierra Leone

Climate and monthly weather forecast

Weather in January

January, the same as December, in Bum, Sierra Leone, is a hot winter month, with an average temperature fluctuating between 20.1°C (68.2°F) and 34.8°C (94.6°F). The advent of January brings an average high-temperature of a still tropical 34.8°C (94.6°F), almost identical to the preceding month. Weather in January »

Weather in February

February, the last month of the winter in Bum, is a fiery hot month, with an average temperature varying between 36.8°C (98.2°F) and 21.5°C (70.7°F). February and March mark Bum's peak of temperatures, averaging a high-temperature of 36.8°C (98.2°F). During February, the heat index is appraised at a blazing hot 55°C (131°F). Weather in February »

Weather in March

March, the first month of the spring in Bum, is also a fiery hot month, with temperature in the range of an average low of 22.9°C (73.2°F) and an average high of 36.8°C (98.2°F). In Bum, Sierra Leone, the months of February and March register the highest average temperatures, peaking at 36.8°C (98.2°F). Throughout March, the heat index is appraised at a blazing hot 56°C (132.8°F). Weather in March »

Weather in April

April, like March, in Bum, Sierra Leone, is another sweltering spring month, with an average temperature varying between 23.8°C (74.8°F) and 35.8°C (96.4°F). Bum notes an average high-temperature of a still torrid 35.8°C (96.4°F) in April, hardly diverging from March. Weather in April »

Weather in May

The last month of the spring, May, is another hot month in Bum, Sierra Leone, with temperature in the range of an average low of 23.4°C (74.1°F) and an average high of 33.1°C (91.6°F). Transitioning into May, Bum experiences an average high-temperature of a tropical 33.1°C (91.6°F), marking a minor shift from the preceding month. Weather in May »

Weather in June

The first month of the summer, June, is also a hot month in Bum, Sierra Leone, with an average temperature ranging between max 30.3°C (86.5°F) and min 22.4°C (72.3°F). In June, Bum notes an average high-temperature of a still tropical 30.3°C (86.5°F), hardly different from the preceding month. Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Bum, Sierra Leone, with an average temperature ranging between min 21.8°C (71.2°F) and max 28.1°C (82.6°F). The average high-temperature is a warm 28.1°C (82.6°F) in July, hardly different from the 30.3°C (86.5°F) recorded in June. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Bum, Sierra Leone, with an average temperature fluctuating between 27.5°C (81.5°F) and 21.8°C (71.2°F). August, noted for its average high-temperature of 27.5°C (81.5°F) and an average low-temperature of 21.8°C (71.2°F), is considered the coldest month. For most parts of August, the heat index is appraised at a hot 32°C (89.6°F). Weather in August »

Weather in September

September, the first month of the autumn in Bum, is also a moderately hot month, with temperature in the range of an average low of 21.8°C (71.2°F) and an average high of 28.6°C (83.5°F). Bum registers an average high-temperature of a still warm 28.6°C (83.5°F) with the arrival of September, showing minor deviation from the preceding month. Weather in September »

Weather in October

October in Bum, Sierra Leone, is a hot autumn month, with an average temperature varying between 22.1°C (71.8°F) and 30.7°C (87.3°F). The arrival of October brings an average high-temperature of a hot 30.7°C (87.3°F), subtly diverging from September's 28.6°C (83.5°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a hot month in Bum, Sierra Leone, with temperature in the range of an average low of 22.2°C (72°F) and an average high of 31.5°C (88.7°F). The beginning of November records an average high-temperature of a still tropical 31.5°C (88.7°F), almost echoing the conditions of the previous month. Weather in November »

Weather in December

December, the first month of the winter in Bum, is still a tropical month, with an average temperature varying between 32.8°C (91°F) and 20.8°C (69.4°F). The onset of December manifests an average high-temperature of a still hot 32.8°C (91°F), demonstrating a minor variation from the preceding month. Weather in December »

Frequently asked questions

What is the driest month in Bum?
The month with the least rainfall is January, when the rain falls for 4.3 days and typically collects 5mm (0.2") of precipitation.
How much does it rain in Bum?
Throughout the year, there are 256.6 rainfall days, and 1628mm (64.09") of precipitation is accumulated.
What month has the most sunshine in Bum?
With an average of 9.6h of sunshine, January has the most sunshine of the year.
What are the months with the highest UV index in Bum?
The months with the highest UV index are January through April, November and December, with an average maximum UV index of 7.
What part of the year is the hottest in Bum?
Bum sees its peak of temperatures during February and March, with an average high-temperature of 36.8°C (98.2°F).
What is the least humid month in Bum?
The least humid month is February, with an average relative humidity of 66%.
When are the longest days in Bum?
June has the longest days of the year in Bum, with an average of 12h and 36min of daylight.
What is the month with the lowest UV index in Bum?
July and August, with an average maximum UV index of 5, are months with the lowest UV index.
What month is the coldest in Bum?
August stands out as Bum's coldest month, with temperatures ranging between an average high of 27.5°C (81.5°F) and a low of 21.8°C (71.2°F).
What are the most humid months in Bum?
The months with the highest humidity are August and September, with an average relative humidity of 92%.
What is the wettest month in Bum?
August is the month with the most rainfall in Bum, Sierra Leone. Rain falls for 30.5 days and accumulates 341mm (13.43") of precipitation.
What is the month with the least sunshine in Bum?
With an average of 3.1h of sunshine, August has the least sunshine of the year in Bum.
What is the month with the shortest days in Bum?
With an average of 11h and 42min of daylight, December has the shortest days of the year in Bum, Sierra Leone.
Is there Daylight Saving Time (DST) in Bum?
Bum does not utilize Daylight Saving Time (DST). GMT timezone is used throughout the entire year.
Average temperature
Bum, Sierra Leone

The warmest months (with the highest average high temperature) are February and March (36.8°C).
The month with the lowest average high temperature is August (27.5°C).

The month with the highest average low temperature is April (23.8°C).
The coldest month (with the lowest average low temperature) is January (20.1°C).

Average pressure
Bum, Sierra Leone

The month with the highest atmospheric pressure is July (1014.1mbar).
The months with the lowest atmospheric pressure are February and March (1010.5mbar).

Average wind speed
Bum, Sierra Leone

The windiest month (with the highest average wind speed) is April (5.9km/h).
The calmest month (with the lowest average wind speed) is November (3.5km/h).

Average humidity
Bum, Sierra Leone

The months with the highest relative humidity are August and September (92%).
The month with the lowest relative humidity is February (66%).

Average rainfall
Bum, Sierra Leone

The wettest month (with the highest rainfall) is August (341mm).
The driest month (with the least rainfall) is January (5mm).

Average rainfall days
Bum, Sierra Leone

The month with the highest number of rainy days is August (30.5 days).
The month with the least rainy days is January (4.3 days).

Average daylight / Average sunshine
Bum, Sierra Leone

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 42min).

The month with the most sunshine is January (Average sunshine: 9h and 36min).
The month with the least sunshine is August (Average sunshine: 3h and 6min).

Average sunshine days
Bum, Sierra Leone

The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is September (0.2 days).

Average UV index
Bum, Sierra Leone

The months with the highest UV index are January, February, March, April, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 5).

Average visibility
Bum, Sierra Leone

The months with the highest visibility are February, March and April (9km).
The months with the lowest visibility are June, July, August, September, October and November (6km).

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