Climate Insights for Bongo

, Province de l’Ogooué-Maritime, Gabon

Hottest
April
31°C peak
Coldest
July
20°C low
Wettest
December
412mm rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in Bongo is hot. The average annual temperature is 25°C and approximately 2358mm of precipitation falls per year. December is the wettest month, receiving around 412mm of rainfall. Bongo 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: 30° Average: 26° Min: 23° Feb Max: 31° Average: 26° Min: 23° Mar Max: 31° Average: 26° Min: 23° Apr Max: 31° Average: 26° Min: 23° May Max: 30° Average: 26° Min: 23° Jun Max: 28° Average: 24° Min: 21° Jul Max: 27° Average: 23° Min: 20° Aug Max: 28° Average: 24° Min: 21° Sep Max: 28° Average: 25° Min: 22° Oct Max: 29° Average: 26° Min: 23° Nov Max: 30° Average: 25° Min: 23° Dec Max: 30° Average: 26° Min: 23°
Max
Average
Min

Bongo sees moderate temperature variation throughout the year, ranging from 20°C to 31°C. The warmest month is April, when average highs reach 31°C and the mean temperature sits around 26°C. July is the coolest month, with minimum temperatures around 20°C and an average of 23°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 309mm Feb Precipitation: 240mm Mar Precipitation: 252mm Apr Precipitation: 253mm May Precipitation: 182mm Jun Precipitation: 20mm Jul Precipitation: 10mm Aug Precipitation: 15mm Sep Precipitation: 58mm Oct Precipitation: 223mm Nov Precipitation: 383mm Dec Precipitation: 412mm
Precipitation

Bongo is a very wet location, receiving approximately 2358mm of precipitation annually, which averages out to around 197mm per month. The wettest month is December, averaging 412mm of rainfall. November and January also tend to see above-average precipitation. The driest month is July, with just 10mm. That's 402mm less than December, 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: 8km/h Feb Wind Speed: 9km/h Mar Wind Speed: 9km/h Apr Wind Speed: 9km/h May Wind Speed: 9km/h Jun Wind Speed: 11km/h Jul Wind Speed: 11km/h Aug Wind Speed: 11km/h Sep Wind Speed: 12km/h Oct Wind Speed: 10km/h Nov Wind Speed: 9km/h Dec Wind Speed: 8km/h
Wind Speed

Bongo 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 September, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 11km/h in winter, 10km/h in spring, 8km/h in summer, 9km/h in autumn.

Seasons

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

89 days until Winter

It is currently autumn in Bongo, which began on March 20, 2026. Bongo sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in April at around 31°C, while the coldest stretch bottoms out in July near 20°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 22 to 30°C. Rainfall is heavy, totalling around 664mm across the season with a monthly average of 221mm. 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 31°C. Rainfall is heavy, totalling around 962mm across the season with a monthly average of 321mm. Winds are generally light, averaging 8km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 687mm across the season with a monthly average of 229mm. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 20 to 28°C. Precipitation is minimal, with only around 46mm for the entire season. Winds are generally light, averaging 11km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 26°
Feb 26°
Mar 26°
Apr 26°
May 26°
Jun 24°
Jul 23°
Aug 24°
Sep 25°
Oct 26°
Nov 25°
Dec 26°

The best time to visit Bongo is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 26mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 31°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Bongo 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
23 °C
30 °C
8 km/h
309 mm
0 cm
Feb
23 °C
31 °C
9 km/h
240 mm
0 cm
Mar Current
23 °C
31 °C
9 km/h
252 mm
0 cm
Apr
23 °C
31 °C
9 km/h
253 mm
0 cm
May
23 °C
30 °C
9 km/h
182 mm
0 cm
Jun
21 °C
28 °C
11 km/h
20 mm
0 cm
Jul
20 °C
27 °C
11 km/h
10 mm
0 cm
Aug
21 °C
28 °C
11 km/h
15 mm
0 cm
Sep
22 °C
28 °C
12 km/h
58 mm
0 cm
Oct
23 °C
29 °C
10 km/h
223 mm
0 cm
Nov
23 °C
30 °C
9 km/h
383 mm
0 cm
Dec
23 °C
30 °C
8 km/h
412 mm
0 cm
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Metric (°C, km/h)