Climate Insights for Mana

Guyane, Guyane, French Guiana

Hottest
September
29°C peak
Coldest
June
25°C low
Wettest
May
447mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Mana is hot. The average annual temperature is 27°C and approximately 2552mm of precipitation falls per year. Mana receives a notable amount of rainfall throughout the year, including during its driest month. Mana 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: 26° Min: 25° Feb Max: 27° Average: 26° Min: 25° Mar Max: 27° Average: 26° Min: 25° Apr Max: 27° Average: 26° Min: 26° May Max: 27° Average: 26° Min: 25° Jun Max: 28° Average: 26° Min: 25° Jul Max: 28° Average: 27° Min: 25° Aug Max: 29° Average: 27° Min: 26° Sep Max: 29° Average: 27° Min: 26° Oct Max: 29° Average: 27° Min: 26° Nov Max: 28° Average: 27° Min: 26° Dec Max: 27° Average: 26° Min: 25°
Max
Average
Min

Mana has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is September, when average highs reach 29°C and the mean temperature sits around 27°C. June 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 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: 214mm Feb Precipitation: 203mm Mar Precipitation: 194mm Apr Precipitation: 334mm May Precipitation: 447mm Jun Precipitation: 371mm Jul Precipitation: 210mm Aug Precipitation: 87mm Sep Precipitation: 37mm Oct Precipitation: 58mm Nov Precipitation: 140mm Dec Precipitation: 257mm
Precipitation

Mana is a very wet location, receiving approximately 2552mm of precipitation annually, which averages out to around 213mm per month. The wettest month is May, averaging 447mm of rainfall. June and April also tend to see above-average precipitation. The driest month is September, with just 37mm. That's 410mm 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 20km/h 25km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 21km/h Feb Wind Speed: 23km/h Mar Wind Speed: 22km/h Apr Wind Speed: 20km/h May Wind Speed: 19km/h Jun Wind Speed: 15km/h Jul Wind Speed: 13km/h Aug Wind Speed: 14km/h Sep Wind Speed: 16km/h Oct Wind Speed: 17km/h Nov Wind Speed: 18km/h Dec Wind Speed: 19km/h
Wind Speed

Mana is mildly breezy, with an average annual wind speed of 18km/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 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 10km/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 21km/h in winter, 20km/h in spring, 14km/h in summer, 17km/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 Mana, which began on September 23, 2026. Mana 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 29°C, while the coldest stretch bottoms out in June near 25°C. Winter is next, beginning on December 21, 2026 (87 days from now).

Spring

Temperatures range from 25 to 27°C. Rainfall is heavy, totalling around 975mm across the season with a monthly average of 325mm. Winds are moderate at around 20km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 668mm across the season with a monthly average of 223mm. Winds are generally light, averaging 14km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 26 to 29°C. Precipitation is moderate at around 235mm for the season, averaging 78mm per month. Winds are moderate at around 17km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 25 to 27°C. Rainfall is heavy, totalling around 674mm across the season with a monthly average of 225mm. Winds are moderate at around 21km/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 Mana 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
27 °C
21 km/h
214 mm
0 cm
Feb
25 °C
27 °C
23 km/h
203 mm
0 cm
Mar
25 °C
27 °C
22 km/h
194 mm
0 cm
Apr
26 °C
27 °C
20 km/h
334 mm
0 cm
May
25 °C
27 °C
19 km/h
447 mm
0 cm
Jun
25 °C
28 °C
15 km/h
371 mm
0 cm
Jul
25 °C
28 °C
13 km/h
210 mm
0 cm
Aug
26 °C
29 °C
14 km/h
87 mm
0 cm
Sep Current
26 °C
29 °C
16 km/h
37 mm
0 cm
Oct
26 °C
29 °C
17 km/h
58 mm
0 cm
Nov
26 °C
28 °C
18 km/h
140 mm
0 cm
Dec
25 °C
27 °C
19 km/h
257 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)