Climate Insights for Iboundji

, Estuaire, Gabon

Hottest
March
29°C peak
Coldest
August
24°C low
Wettest
November
420mm rain
Best to Visit
July, August
Mild temps & low rain

Climate Overview

The climate in Iboundji is hot. The average annual temperature is 26°C and approximately 2813mm of precipitation falls per year. Iboundji receives a notable amount of rainfall throughout the year, including during its driest month. Iboundji sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 28° Average: 26° Min: 25° Feb Max: 29° Average: 27° Min: 25° Mar Max: 29° Average: 27° Min: 25° Apr Max: 29° Average: 27° Min: 25° May Max: 28° Average: 27° Min: 25° Jun Max: 27° Average: 26° Min: 24° Jul Max: 26° Average: 25° Min: 24° Aug Max: 26° Average: 25° Min: 24° Sep Max: 27° Average: 25° Min: 24° Oct Max: 27° Average: 26° Min: 24° Nov Max: 28° Average: 26° Min: 25° Dec Max: 28° Average: 26° Min: 25°
Max
Average
Min

Iboundji has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is March, when average highs reach 29°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 24°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 3°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: 228mm Feb Precipitation: 216mm Mar Precipitation: 300mm Apr Precipitation: 264mm May Precipitation: 276mm Jun Precipitation: 127mm Jul Precipitation: 59mm Aug Precipitation: 70mm Sep Precipitation: 220mm Oct Precipitation: 367mm Nov Precipitation: 420mm Dec Precipitation: 266mm
Precipitation

Iboundji is a very wet location, receiving approximately 2813mm of precipitation annually, which averages out to around 234mm per month. The wettest month is November, averaging 420mm of rainfall. October and March also tend to see above-average precipitation. The driest month is July, with just 59mm. That's 361mm less than November, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 2km/h Feb Wind Speed: 2km/h Mar Wind Speed: 2km/h Apr Wind Speed: 2km/h May Wind Speed: 2km/h Jun Wind Speed: 3km/h Jul Wind Speed: 4km/h Aug Wind Speed: 4km/h Sep Wind Speed: 3km/h Oct Wind Speed: 2km/h Nov Wind Speed: 2km/h Dec Wind Speed: 2km/h
Wind Speed

Iboundji is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

Seasons

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

91 days until Autumn

It is currently summer in Iboundji, which began on June 21, 2026. Iboundji sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in March at around 29°C, while the coldest stretch bottoms out in August near 24°C. Autumn is next, beginning on September 23, 2026 — 91 days from now.

Spring

Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 839mm across the season with a monthly average of 280mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 24 to 27°C. Precipitation is moderate at around 256mm for the season, averaging 85mm per month. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 24 to 28°C. Rainfall is heavy, totalling around 1007mm across the season with a monthly average of 336mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 710mm across the season with a monthly average of 237mm. Winds are generally light, averaging 2km/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 27°
Mar 27°
Apr 27°
May 27°
Jun 26°
Jul 25°
Aug 25°
Sep 25°
Oct 26°
Nov 26°
Dec 26°

The best time to visit Iboundji is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 65mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 29°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Iboundji 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
25 °C
28 °C
2 km/h
228 mm
0 cm
Feb
25 °C
29 °C
2 km/h
216 mm
0 cm
Mar
25 °C
29 °C
2 km/h
300 mm
0 cm
Apr
25 °C
29 °C
2 km/h
264 mm
0 cm
May
25 °C
28 °C
2 km/h
276 mm
0 cm
Jun Current
24 °C
27 °C
3 km/h
127 mm
0 cm
Jul
24 °C
26 °C
4 km/h
59 mm
0 cm
Aug
24 °C
26 °C
4 km/h
70 mm
0 cm
Sep
24 °C
27 °C
3 km/h
220 mm
0 cm
Oct
24 °C
27 °C
2 km/h
367 mm
0 cm
Nov
25 °C
28 °C
2 km/h
420 mm
0 cm
Dec
25 °C
28 °C
2 km/h
266 mm
0 cm
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