Expand
Contents
- The climate of Bomi
- The best time to visit Bomi
- The worst time to visit Bomi
- Spring weather in Bomi
- Summer weather in Bomi
- Autumn weather in Bomi
- Winter weather in Bomi
- 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
The climate of Bomi
Bomi, located in Sierra Leone, is governed by an Am category climate, as per the Köppen climate classification. This category characterizes a Tropical monsoon climate, marked by heavy seasonal rains, high temperatures, and substantial humidity throughout the year.
In Bomi, monthly average temperatures typically range from a high of 36.3°C (97.3°F) in February to lows of 21.3°C (70.3°F) in August, maintaining an intense humid heat all year round. Native to a Tropical monsoon climate, Bomi undergoes a shift from a considerable rainfall of 296mm (11.65") in August to the lowest of 8mm (0.31") in January. Correspondingly, the number of rainfall days also varies, reaching a peak of around 30 days during August, and tapering to approximately 5.8 days in January.
Humidity and cloud coverage in Bomi maintain a consistent pattern, generally synchronized with the rainfall. With a relative humidity level oscillating from 65% in January to 93% in August, and cloud cover ranging from 25% in January to 87% in August, Bomi remains predominantly cloudy and humid, especially during the monsoon. Sunshine hours register a significant decrease amidst the monsoon, reaching a mere 0.4 days in August while demonstrating a maximum of 22.1 days in January.
In Bomi, monthly average temperatures typically range from a high of 36.3°C (97.3°F) in February to lows of 21.3°C (70.3°F) in August, maintaining an intense humid heat all year round. Native to a Tropical monsoon climate, Bomi undergoes a shift from a considerable rainfall of 296mm (11.65") in August to the lowest of 8mm (0.31") in January. Correspondingly, the number of rainfall days also varies, reaching a peak of around 30 days during August, and tapering to approximately 5.8 days in January.
Humidity and cloud coverage in Bomi maintain a consistent pattern, generally synchronized with the rainfall. With a relative humidity level oscillating from 65% in January to 93% in August, and cloud cover ranging from 25% in January to 87% in August, Bomi remains predominantly cloudy and humid, especially during the monsoon. Sunshine hours register a significant decrease amidst the monsoon, reaching a mere 0.4 days in August while demonstrating a maximum of 22.1 days in January.
The best time to visit Bomi
Visiting Bomi can be particularly ideal between the months of November to January when the region experiences the least amount of rainfall. With only 10mm (0.39") in December and minimal rainfall days, these months offer the perfect ambience for outdoor activities. Sunshine duration enhances to about 19.4 days in November, coupled with a high UV index of 6 to 7, offering bright days for sightseeing and exploring.
The worst time to visit Bomi
Travelling to Bomi during the monsoon, primarily between June to September, might pose challenges. With rainfall surging to as much as 296mm (11.65") in August over approximately 30 days, the city can experience considerable flooding. Coupled with a sizable decline in sunshine hours and a surge in humidity and cloudiness, these months might pose discomfort and hinder travel plans.
Spring weather in Bomi
Spring season in Bomi, stretching from March to May, is marked by a gradual increase in rainfall, leading up to the monsoon. With an average high temperature from 36.2°C (97.2°F) in March to 32.7°C (90.9°F) in May, and the low temperature only shifting marginally from 22.3°C (72.1°F) to 22.9°C (73.2°F) the same months, Bomi retains its tropical warmth in spring.
Summer weather in Bomi
Summers in Bomi, encompassing months from June to August, are characterized by the monsoon. With the soaring rainfall level from 171mm (6.73") in June to the peak of 296mm (11.65") in August, and occurring over nearly 30 days each month, Bomi witnesses an intense monsoon period. Yet, the city maintains its tropical warmth with maximum temperatures around 28°C (82.4°F) in June and 27°C (80.6°F) in August, and minimum temperature hovering around 22°C (71.6°F) during these months.
Autumn weather in Bomi
The autumn months in Bomi, from September to November, represent a gradual shift from monsoon to less rainy season. Despite experiencing a decline in rainfall from 260mm (10.24") in September to 104mm (4.09") in November, the city remains moderately humid with a minimum relative humidity of 86%. With temperatures ranging from highs of 28.4°C (83.1°F) in September to 31.3°C (88.3°F) in November, and lows only varying slightly from 21.5°C (70.7°F) to 21.7°C (71.1°F) for these months, Bomi sustains its equitable warmth in autumn.
Winter weather in Bomi
Winter in Bomi, December to February, is mainly dry with minimal rainfall. The city experiences a mere 10mm (0.39") in December, increasing marginally to 13mm (0.51") in February. Correspondingly, the rainfall days drop to an annual low of 8.7 days. With maximum temperatures fluctuating from 32.6°C (90.7°F) in December to 36.3°C (97.3°F) in February, and the minimum temperature shifting from 20.1°C (68.2°F) in December to 21.2°C (70.2°F) in February, Bomi retains its tropical heat even in winters. While sunshine days substantially increase to around 19.4 days in November, the visibility also optimizes to approximately 8km (5mi) during these months, offering clear skies and warm winters.
Weather in January
In Bomi, Sierra Leone, the weather in January can be quite varied. Temperatures can reach up to 34.8°C (94.6°F), setting a balmy stage for the beginning of the year. This month marks the transition into a season packed with more hours of sunshine. Weather in January »
Weather in February
As Bomi transitions from January to February, the temperature sees a slight increase with the highest reaching 36.3°C (97.3°F). This month is characterised by longer daylight hours offering ample time to engage in outdoor activities. Weather in February »
Weather in March
During the month of March, weather conditions in Bomi are noted for a further mild increase in temperature, humidity, and rainfall compared to February. With the thermometer climbing to 36.2°C (97.2°F), one can sense the impending onset of the wetter season. Weather in March »
Weather in April
In April, Bomi experiences a gradual decrease in temperature to 35.4°C (95.7°F) after the peak values of March. The increased cloud coverage from the previous month results in fewer sunshine hours. This period signifies a distinct shift towards wetter conditions in the city. Weather in April »
Weather in May
As May arrives in Bomi, the temperature experiences a more significant drop, down to a high of 32.7°C (90.9°F). This month is renowned for prolific rainfall and high humidity that marks the peak of the wet season. The thick layers of cloud considerably reduce the duration of sunshine hours. Weather in May »
Weather in June
A further dip in temperatures is observed in Bomi during June, accentuating the wet season. The lower temperature of 30.1°C (86.2°F), combined with the year's highest rainfall and humidity, offers an authentic tropical rainforest experience. Weather in June »
Weather in July
In July, Bomi's temperature continues its downward trend to reach a relatively lower value of 28°C (82.4°F). The wet season is in full swing, with rainfall and humidity peaking and the cloud cover at its densest. This period, identified by dominant precipitation records, encourages the growth of the city's lush, green landscape. Weather in July »
Weather in August
During August, Bomi witnesses slightly cooler conditions with the temperature fluctuating around a comfortable 27°C (80.6°F). This month marks the culmination of the wet season with the highest recorded rainfall and highest average humidity. Weather in August »
Weather in September
September implies an initial farewell to the wet season in Bomi. The temperature shows a minor increase to a more pleasant 28.4°C (83.1°F), indicating an impending transition. Although the rainfall and relative humidity begin to subside, September still harbours significant precipitation. Weather in September »
Weather in October
October in Bomi is a transition month with the temperature rising to a warm 30.4°C (86.7°F). The rainfall decreases substantially, ushering in the dry season accompanied by a distinct drop in average humidity. Sunshine hours see an increase, signaling the return of clearer skies. Weather in October »
Weather in November
The month of November in Bomi illustrates the distinct post-monsoon weather transitioning into the dry season. Temperatures continue to rise, climbing to 31.3°C (88.3°F), allowing more warmth and comfort to permeate throughout the day. Weather in November »
Weather in December
December carries the ambience of the dry season in Bomi, with temperature remaining pleasant at 32.6°C (90.7°F). This period sees the least rainfall of the year, symbolizing a well-established dry season. The lowering humidity and sparse cloud cover further validate the dry season's progression. Weather in December »
[Resources]Frequently asked questions
What is the least humid month in Bomi?
January is the least humid month in Bomi, Sierra Leone, with an average relative humidity of 65%.
What is the driest month in Bomi?
The month with the least rainfall is January, when the rain falls for 5.8 days and typically collects 8mm (0.31") of precipitation.
How many days does it rain in Bomi?
Throughout the year, in Bomi, there are 270.4 rainfall days, and 1590mm (62.6") of precipitation is accumulated.
What month has the most sunshine in Bomi?
January has the most sunshine of the year in Bomi, Sierra Leone, with an average of 9.6h of sunshine.
What are the months with the highest UV index in Bomi?
The months with the highest UV index in Bomi, Sierra Leone, are January through April and December, with an average maximum UV index of 7.
What part of the year is the hottest in Bomi?
In Bomi, the average temperatures in February are the highest, with a peak at 36.3°C (97.3°F) and a low of 21.2°C (70.2°F).
When are the longest days in Bomi?
June has the longest days of the year in Bomi, Sierra Leone, with an average of 12h and 30min of daylight.
What are the months with the lowest UV index in Bomi?
July and August, with an average maximum UV index of 5, are months with the lowest UV index in Bomi, Sierra Leone.
What is the coldest time of year in Bomi?
Bomi's August weather, with an average high temperature of 27°C (80.6°F) and an average low temperature of 21.3°C (70.3°F), tends to be the coldest of the year.
What is the most humid month in Bomi?
With an average relative humidity of 93%, August is the most humid month in Bomi.
What is the rainiest month in Bomi?
August is the month with the most rainfall in Bomi, Sierra Leone. Rain falls for 30 days and accumulates 296mm (11.65") of precipitation.
What is the month with the least sunshine in Bomi?
August has the least sunshine of the year in Bomi, Sierra Leone, with an average of 2.9h of sunshine.
What is the month with the shortest days in Bomi?
The month with the shortest days in Bomi is December, with an average of 11h and 42min of daylight.
Is there Daylight Saving Time (DST) in Bomi?
Bomi does not observe Daylight Saving Time (DST). GMT timezone is used over the entire year.
Average temperature
Bomi, Sierra Leone
The warmest month (with the highest average high temperature) is February (36.3°C).
The month with the lowest average high temperature is August (27°C).
The month with the highest average low temperature is April (23.2°C).
The coldest month (with the lowest average low temperature) is January (19.7°C).
Average pressure
Bomi, Sierra Leone
- Average pressure in January:
1011.5mbar - Average pressure in February:
1010.6mbar - Average pressure in March:
1010.6mbar - Average pressure in April:
1010.8mbar - Average pressure in May:
1012mbar - Average pressure in June:
1013.7mbar
- Average pressure in July:
1014.3mbar - Average pressure in August:
1013.9mbar - Average pressure in September:
1013.3mbar - Average pressure in October:
1012mbar - Average pressure in November:
1011.2mbar - Average pressure in December:
1011.5mbar
The month with the highest atmospheric pressure is July (1014.3mbar).
The months with the lowest atmospheric pressure are February and March (1010.6mbar).
Average wind speed
Bomi, Sierra Leone
- Average wind speed in January:
4.2km/h - Average wind speed in February:
4.9km/h - Average wind speed in March:
5.4km/h - Average wind speed in April:
5.4km/h - Average wind speed in May:
4.8km/h - Average wind speed in June:
4.9km/h
- Average wind speed in July:
5.3km/h - Average wind speed in August:
5.5km/h - Average wind speed in September:
4.7km/h - Average wind speed in October:
3.8km/h - Average wind speed in November:
3.4km/h - Average wind speed in December:
3.8km/h
The windiest month (with the highest average wind speed) is August (5.5km/h).
The calmest month (with the lowest average wind speed) is November (3.4km/h).
Average humidity
Bomi, Sierra Leone
The month with the highest relative humidity is August (93%).
The month with the lowest relative humidity is January (65%).
Average rainfall
Bomi, Sierra Leone
- Average rainfall in July:
235mm - Average rainfall in August:
296mm - Average rainfall in September:
260mm - Average rainfall in October:
200mm - Average rainfall in November:
104mm - Average rainfall in December:
10mm
The wettest month (with the highest rainfall) is August (296mm).
The driest month (with the least rainfall) is January (8mm).
Average rainfall days
Bomi, Sierra Leone
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
8.7 days - Average rainfall days in March:
19.6 days - Average rainfall days in April:
24 days - Average rainfall days in May:
29.1 days - Average rainfall days in June:
28.8 days
- Average rainfall days in July:
29.8 days - Average rainfall days in August:
30 days - Average rainfall days in September:
29.7 days - Average rainfall days in October:
30.3 days - Average rainfall days in November:
25.9 days - Average rainfall days in December:
8.7 days
The month with the highest number of rainy days is October (30.3 days).
The month with the least rainy days is January (5.8 days).
Average daylight / Average sunshine
Bomi, Sierra Leone
- Average daylight in January:
11h and 5min - 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 3min
- Average daylight in July:
12h and 3min - Average daylight in August:
12h and 2min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 5min - Average daylight in December:
11h and 4min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in January:
9h and 4min - Average sunshine in February:
9h and 2min - Average sunshine in March:
8h and 5min - Average sunshine in April:
8h and 0min - Average sunshine in May:
6h and 4min - Average sunshine in June:
5h and 2min
- Average sunshine in July:
3h and 5min - Average sunshine in August:
2h and 5min - Average sunshine in September:
4h and 4min - Average sunshine in October:
6h and 2min - Average sunshine in November:
7h and 5min - Average sunshine in December:
9h and 1min
The month with the most sunshine is January (Average sunshine: 9h and 36min).
The month with the least sunshine is August (Average sunshine: 2h and 54min).
Average sunshine days
Bomi, Sierra Leone
- Average sunshine days in January:
22.1 days - Average sunshine days in February:
16.4 days - Average sunshine days in March:
9 days - Average sunshine days in April:
3.8 days - Average sunshine days in May:
1.6 days - Average sunshine days in June:
0.9 days
- Average sunshine days in July:
0.5 days - Average sunshine days in August:
0.4 days - Average sunshine days in September:
0.1 days - Average sunshine days in October:
0.5 days - Average sunshine days in November:
1.1 days - Average sunshine days in December:
19.4 days
The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is September (0.1 days).
Average UV index
Bomi, Sierra Leone
The months with the highest UV index are January, February, March, April and December (UV index 7).
The months with the lowest UV index are July and August (UV index 5).
Average cloud cover
Bomi, Sierra Leone
The month with the most cloud cover is August (Cloud cover 87).
The month with the least cloud cover is January (Cloud cover 25).
Average visibility
Bomi, Sierra Leone
The month with the highest visibility is March (9km).
The months with the lowest visibility are June, July, August, September and October (6km).
Bomi, Sierra Leone
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
