Climate Insights for Iracoubo

Guyane, Guyane, French Guiana

Hottest
September
31°C peak
Coldest
January
24°C low
Wettest
May
416mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Iracoubo is hot. The average annual temperature is 26°C and approximately 2516mm 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

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 28° Average: 26° Min: 24° Feb Max: 28° Average: 26° Min: 24° Mar Max: 29° Average: 26° Min: 24° Apr Max: 29° Average: 26° Min: 24° May Max: 29° Average: 26° Min: 24° Jun Max: 29° Average: 26° Min: 24° Jul Max: 30° Average: 26° Min: 24° Aug Max: 31° Average: 27° Min: 24° Sep Max: 31° Average: 27° Min: 24° Oct Max: 31° Average: 27° Min: 24° Nov Max: 30° Average: 27° Min: 24° Dec Max: 29° Average: 26° Min: 24°
Max
Average
Min

Iracoubo has relatively stable temperatures year-round, staying within a 7°C range. The warmest month is September, when average highs reach 31°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 24°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 5°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: 121mm Feb Precipitation: 123mm Mar Precipitation: 128mm Apr Precipitation: 326mm May Precipitation: 416mm Jun Precipitation: 401mm Jul Precipitation: 270mm Aug Precipitation: 144mm Sep Precipitation: 85mm Oct Precipitation: 67mm Nov Precipitation: 177mm Dec Precipitation: 259mm
Precipitation

Iracoubo is a very wet location, receiving approximately 2516mm of precipitation annually, which averages out to around 210mm per month. The wettest month is May, averaging 416mm of rainfall. June and April also tend to see above-average precipitation. The driest month is October, with just 67mm. That's 349mm 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 3km/h Feb Wind Speed: 4km/h Mar Wind Speed: 4km/h Apr Wind Speed: 3km/h May Wind Speed: 3km/h Jun Wind Speed: 2km/h Jul Wind Speed: 2km/h Aug Wind Speed: 2km/h Sep Wind Speed: 3km/h Oct Wind Speed: 3km/h Nov Wind Speed: 3km/h Dec Wind Speed: 3km/h
Wind Speed

Iracoubo 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 February, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, 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

92 days until Autumn

It is currently summer in Iracoubo, which began on June 21, 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 24°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

Spring

Temperatures range from 24 to 29°C. Rainfall is heavy, totalling around 869mm across the season with a monthly average of 290mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 24 to 31°C. Rainfall is heavy, totalling around 815mm across the season with a monthly average of 272mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 24 to 31°C. Rainfall is heavy, totalling around 330mm across the season with a monthly average of 110mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 24 to 29°C. Rainfall is heavy, totalling around 502mm across the season with a monthly average of 167mm. Winds are generally light, averaging 3km/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
24 °C
28 °C
3 km/h
121 mm
0 cm
Feb
24 °C
28 °C
4 km/h
123 mm
0 cm
Mar
24 °C
29 °C
4 km/h
128 mm
0 cm
Apr
24 °C
29 °C
3 km/h
326 mm
0 cm
May
24 °C
29 °C
3 km/h
416 mm
0 cm
Jun Current
24 °C
29 °C
2 km/h
401 mm
0 cm
Jul
24 °C
30 °C
2 km/h
270 mm
0 cm
Aug
24 °C
31 °C
2 km/h
144 mm
0 cm
Sep
24 °C
31 °C
3 km/h
85 mm
0 cm
Oct
24 °C
31 °C
3 km/h
67 mm
0 cm
Nov
24 °C
30 °C
3 km/h
177 mm
0 cm
Dec
24 °C
29 °C
3 km/h
259 mm
0 cm
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