Climate Insights for Iracoubo

Guyane, Guyane, French Guiana

Hottest
September
31°C peak
Coldest
January
25°C low
Wettest
May
481mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Iracoubo is hot. The average annual temperature is 27°C and approximately 2711mm of precipitation falls per year. Iracoubo receives a notable amount of rainfall throughout the year, including during its driest month. Iracoubo sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

0° 10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 28° Average: 26° Min: 25° Feb Max: 28° Average: 26° Min: 25° Mar Max: 28° Average: 26° Min: 25° Apr Max: 28° Average: 27° Min: 25° May Max: 28° Average: 27° Min: 25° Jun Max: 29° Average: 27° Min: 25° Jul Max: 30° Average: 27° Min: 25° Aug Max: 30° Average: 27° Min: 25° Sep Max: 31° Average: 28° Min: 26° Oct Max: 30° Average: 28° Min: 25° Nov Max: 29° Average: 27° Min: 25° Dec Max: 28° Average: 26° Min: 25°
Max
Average
Min

Iracoubo has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is September, when average highs reach 31°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 25°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 207mm Feb Precipitation: 198mm Mar Precipitation: 173mm Apr Precipitation: 330mm May Precipitation: 481mm Jun Precipitation: 392mm Jul Precipitation: 234mm Aug Precipitation: 127mm Sep Precipitation: 62mm Oct Precipitation: 71mm Nov Precipitation: 173mm Dec Precipitation: 263mm
Precipitation

Iracoubo is a very wet location, receiving approximately 2711mm of precipitation annually, which averages out to around 226mm per month. The wettest month is May, averaging 481mm of rainfall. June and April also tend to see above-average precipitation. The driest month is September, with just 62mm. That's 420mm less than May, 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: 14km/h Feb Wind Speed: 15km/h Mar Wind Speed: 15km/h Apr Wind Speed: 13km/h May Wind Speed: 12km/h Jun Wind Speed: 9km/h Jul Wind Speed: 9km/h Aug Wind Speed: 10km/h Sep Wind Speed: 11km/h Oct Wind Speed: 12km/h Nov Wind Speed: 12km/h Dec Wind Speed: 13km/h
Wind Speed

Iracoubo 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 February, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, 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 6km/h gap 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 14km/h in winter, 13km/h in spring, 9km/h in summer, 12km/h in autumn.

Seasons

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

88 days until Winter

It is currently autumn in Iracoubo, which began on September 23, 2026. Iracoubo sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in September at around 31°C, while the coldest stretch bottoms out in January near 25°C. Winter is next, beginning on December 21, 2026 (88 days from now).

Spring

Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 985mm across the season with a monthly average of 328mm. Winds are generally light, averaging 13km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 25 to 30°C. Rainfall is heavy, totalling around 753mm across the season with a monthly average of 251mm. Winds are generally light, averaging 9km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 25 to 31°C. Rainfall is heavy, totalling around 306mm across the season with a monthly average of 102mm. 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 668mm across the season with a monthly average of 223mm. Winds are generally light, averaging 14km/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 Iracoubo 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
14 km/h
207 mm
0 cm
Feb
25 °C
28 °C
15 km/h
198 mm
0 cm
Mar
25 °C
28 °C
15 km/h
173 mm
0 cm
Apr
25 °C
28 °C
13 km/h
330 mm
0 cm
May
25 °C
28 °C
12 km/h
481 mm
0 cm
Jun
25 °C
29 °C
9 km/h
392 mm
0 cm
Jul
25 °C
30 °C
9 km/h
234 mm
0 cm
Aug
25 °C
30 °C
10 km/h
127 mm
0 cm
Sep Current
26 °C
31 °C
11 km/h
62 mm
0 cm
Oct
25 °C
30 °C
12 km/h
71 mm
0 cm
Nov
25 °C
29 °C
12 km/h
173 mm
0 cm
Dec
25 °C
28 °C
13 km/h
263 mm
0 cm
Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)