Climate Insights for Bo Airport

, Southern Province, Sierra Leone

Hottest
February
36°C peak
Coldest
December
22°C low
Wettest
September
560mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Bo Airport is hot. The average annual temperature is 26°C and approximately 2676mm of precipitation falls per year. September is the wettest month, receiving around 560mm of rainfall. Bo Airport sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 35° Average: 27° Min: 22° Feb Max: 36° Average: 28° Min: 23° Mar Max: 36° Average: 29° Min: 24° Apr Max: 34° Average: 28° Min: 24° May Max: 32° Average: 27° Min: 24° Jun Max: 30° Average: 25° Min: 23° Jul Max: 28° Average: 25° Min: 23° Aug Max: 28° Average: 25° Min: 23° Sep Max: 29° Average: 25° Min: 23° Oct Max: 30° Average: 25° Min: 23° Nov Max: 31° Average: 26° Min: 23° Dec Max: 32° Average: 26° Min: 22°
Max
Average
Min

Bo Airport sees moderate temperature variation throughout the year, ranging from 22°C to 36°C. February is the hottest month, with daytime highs reaching 36°C and an average of 28°C. December is the coolest month, with minimum temperatures around 22°C and an average of 26°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm 550mm 600mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 8mm Feb Precipitation: 22mm Mar Precipitation: 47mm Apr Precipitation: 105mm May Precipitation: 228mm Jun Precipitation: 336mm Jul Precipitation: 449mm Aug Precipitation: 529mm Sep Precipitation: 560mm Oct Precipitation: 262mm Nov Precipitation: 110mm Dec Precipitation: 19mm
Precipitation

Bo Airport is a very wet location, receiving approximately 2676mm of precipitation annually, which averages out to around 223mm per month. The wettest month is September, averaging 560mm of rainfall. August and July also tend to see above-average precipitation. The driest month is January, with just 8mm. That's 552mm less than September, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 12km/h Feb Wind Speed: 13km/h Mar Wind Speed: 12km/h Apr Wind Speed: 10km/h May Wind Speed: 9km/h Jun Wind Speed: 9km/h Jul Wind Speed: 9km/h Aug Wind Speed: 10km/h Sep Wind Speed: 9km/h Oct Wind Speed: 8km/h Nov Wind Speed: 8km/h Dec Wind Speed: 9km/h
Wind Speed

Bo Airport is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

89 days until Summer

It is currently spring in Bo Airport, which began on March 20, 2026. Bo Airport sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 36°C, while the coldest stretch bottoms out in December near 22°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 24 to 36°C. Rainfall is heavy, totalling around 380mm across the season with a monthly average of 127mm. Winds are generally light, averaging 10km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 23 to 30°C. Rainfall is heavy, totalling around 1314mm across the season with a monthly average of 438mm. Winds are generally light, averaging 10km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 932mm across the season with a monthly average of 311mm. Winds are generally light, averaging 8km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 22 to 36°C. Rainfall is relatively light, with around 50mm over the season and a monthly average of 17mm. Winds are generally light, averaging 11km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Bo Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
22 °C
35 °C
12 km/h
8 mm
0 cm
Feb
23 °C
36 °C
13 km/h
22 mm
0 cm
Mar Current
24 °C
36 °C
12 km/h
47 mm
0 cm
Apr
24 °C
34 °C
10 km/h
105 mm
0 cm
May
24 °C
32 °C
9 km/h
228 mm
0 cm
Jun
23 °C
30 °C
9 km/h
336 mm
0 cm
Jul
23 °C
28 °C
9 km/h
449 mm
0 cm
Aug
23 °C
28 °C
10 km/h
529 mm
0 cm
Sep
23 °C
29 °C
9 km/h
560 mm
0 cm
Oct
23 °C
30 °C
8 km/h
262 mm
0 cm
Nov
23 °C
31 °C
8 km/h
110 mm
0 cm
Dec
22 °C
32 °C
9 km/h
19 mm
0 cm
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Metric (°C, km/h)