Climate Insights for Iboundji

Estuaire, Gabon

Hottest
March
28°C peak
Coldest
July
24°C low
Wettest
November
411mm 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 2652mm 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

0° 5° 10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 27° Average: 27° Min: 26° Feb Max: 28° Average: 27° Min: 26° Mar Max: 28° Average: 27° Min: 26° Apr Max: 28° Average: 27° Min: 26° May Max: 28° Average: 27° Min: 26° Jun Max: 26° Average: 26° Min: 25° Jul Max: 25° Average: 25° Min: 24° Aug Max: 25° Average: 25° Min: 24° Sep Max: 26° Average: 25° Min: 25° Oct Max: 27° Average: 26° Min: 25° Nov Max: 27° Average: 26° Min: 25° Dec Max: 27° Average: 26° Min: 25°
Max
Average
Min

Iboundji has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is March, when average highs reach 28°C and the mean temperature sits around 27°C. July 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 2°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: 194mm Feb Precipitation: 172mm Mar Precipitation: 249mm Apr Precipitation: 240mm May Precipitation: 276mm Jun Precipitation: 135mm Jul Precipitation: 42mm Aug Precipitation: 60mm Sep Precipitation: 213mm Oct Precipitation: 401mm Nov Precipitation: 411mm Dec Precipitation: 258mm
Precipitation

Iboundji is a very wet location, receiving approximately 2652mm of precipitation annually, which averages out to around 221mm per month. The wettest month is November, averaging 411mm of rainfall. October and May also tend to see above-average precipitation. The driest month is July, with just 42mm. That's 369mm 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 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 9km/h Feb Wind Speed: 9km/h Mar Wind Speed: 10km/h Apr Wind Speed: 10km/h May Wind Speed: 11km/h Jun Wind Speed: 15km/h Jul Wind Speed: 16km/h Aug Wind Speed: 17km/h Sep Wind Speed: 15km/h Oct Wind Speed: 12km/h Nov Wind Speed: 10km/h Dec Wind Speed: 9km/h
Wind Speed

Iboundji is relatively calm, with an average annual wind speed of 12km/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 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 9km/h in winter, 10km/h in spring, 16km/h in summer, 12km/h in autumn.

Seasons

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

87 days until Winter

It is currently autumn in Iboundji, which began on September 23, 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 28°C, while the coldest stretch bottoms out in July near 24°C. Winter is next, beginning on December 21, 2026 (87 days from now).

Spring

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 766mm across the season with a monthly average of 255mm. Winds are generally light, averaging 10km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 24 to 26°C. Precipitation is moderate at around 238mm for the season, averaging 79mm per month. Winds are moderate at around 16km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 25 to 27°C. Rainfall is heavy, totalling around 1025mm across the season with a monthly average of 342mm. Winds are generally light, averaging 12km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 624mm across the season with a monthly average of 208mm. Winds are generally light, averaging 9km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 27°
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 51mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 28°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
26 °C
27 °C
9 km/h
194 mm
0 cm
Feb
26 °C
28 °C
9 km/h
172 mm
0 cm
Mar
26 °C
28 °C
10 km/h
249 mm
0 cm
Apr
26 °C
28 °C
10 km/h
240 mm
0 cm
May
26 °C
28 °C
11 km/h
276 mm
0 cm
Jun
25 °C
26 °C
15 km/h
135 mm
0 cm
Jul
24 °C
25 °C
16 km/h
42 mm
0 cm
Aug
24 °C
25 °C
17 km/h
60 mm
0 cm
Sep Current
25 °C
26 °C
15 km/h
213 mm
0 cm
Oct
25 °C
27 °C
12 km/h
401 mm
0 cm
Nov
25 °C
27 °C
10 km/h
411 mm
0 cm
Dec
25 °C
27 °C
9 km/h
258 mm
0 cm
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Metric (°C, km/h)