Climate and monthly weather forecastRoche Serpent, French Guiana
Climate and monthly weather forecast
Weather in January
January, the same as December, is another warm winter month in Roche Serpent, French Guiana, with an average temperature varying between 24.2°C (75.6°F) and 27.8°C (82°F). The onset of January manifests an average high-temperature of a still moderately hot 27.8°C (82°F), demonstrating a minor variation from the preceding month. Weather in January »Weather in February
February, the last month of the winter in Roche Serpent, is also a moderately hot month, with temperature in the range of an average low of 24.3°C (75.7°F) and an average high of 27.5°C (81.5°F). February is the coldest month, with the temperature often reaching an average high of 27.5°C (81.5°F) and an average low of 24.3°C (75.7°F). The heat index for February is computed to be a tropical 31°C (87.8°F). Weather in February »Weather in March
The first month of the spring, March, is also a moderately hot month in Roche Serpent, French Guiana, with temperature in the range of an average high of 28°C (82.4°F) and an average low of 24.7°C (76.5°F). Roche Serpent's March reports an average high-temperature of a still moderately hot 28°C (82.4°F), exhibiting a minor difference from February. Weather in March »Weather in April
April, the same as March, is a moderately hot spring month in Roche Serpent, French Guiana, with temperature in the range of an average high of 28.3°C (82.9°F) and an average low of 24.8°C (76.6°F). The transition into April reveals an average high-temperature of a still warm 28.3°C (82.9°F), mirroring a close resemblance to March. Weather in April »Weather in May
The last month of the spring, May, is also a moderately hot month in Roche Serpent, French Guiana, with an average temperature varying between 24.9°C (76.8°F) and 28.5°C (83.3°F). As May takes hold, the average high-temperature is a still moderately hot 28.5°C (83.3°F), nearly mirroring that of the previous month. Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Roche Serpent, French Guiana, with an average temperature ranging between min 24.5°C (76.1°F) and max 28.8°C (83.8°F). June observes an average high-temperature of a still moderately hot 28.8°C (83.8°F), marking an insignificant difference from May's 28.5°C (83.3°F). Weather in June »Weather in July
July, the same as June, is another warm summer month in Roche Serpent, French Guiana, with an average temperature varying between 29.5°C (85.1°F) and 24.3°C (75.7°F). Roche Serpent's average high-temperature in July is a still warm 29.5°C (85.1°F), marking an insignificant difference from the 28.8°C (83.8°F) of June. Weather in July »Weather in August
August, the last month of the summer in Roche Serpent, is a hot month, with an average temperature varying between 30.4°C (86.7°F) and 24.5°C (76.1°F). The advent of August reveals an average high-temperature of a hot 30.4°C (86.7°F), showing minimal difference from the prior month. Weather in August »Weather in September
September, the first month of the autumn in Roche Serpent, is still a hot month, with temperature in the range of an average low of 24.8°C (76.6°F) and an average high of 30.9°C (87.6°F). September and October bring Roche Serpent's highest average temperatures, reaching a high of 30.9°C (87.6°F). The heat index value during September is computed to be a blisteringly hot 40°C (104°F). Weather in September »Weather in October
October, the same as September, in Roche Serpent, French Guiana, is another tropical autumn month, with an average temperature fluctuating between 30.9°C (87.6°F) and 25°C (77°F). September and October, when the average high-temperature reaches 30.9°C (87.6°F), are the warmest months. In October, the heat index is computed to be a blistering 40°C (104°F). Weather in October »Weather in November
November, the last month of the autumn in Roche Serpent, is another tropical month, with an average temperature fluctuating between 25.1°C (77.2°F) and 30.4°C (86.7°F). Roche Serpent observes an average high-temperature of a still tropical 30.4°C (86.7°F) in November, barely different from 30.9°C (87.6°F) in October. Weather in November »Weather in December
December, the first month of the winter in Roche Serpent, is still a warm month, with an average temperature varying between 28.6°C (83.5°F) and 24.7°C (76.5°F). In the transition from November to December, Roche Serpent reports an average high-temperature of a warm 28.6°C (83.5°F), indicating a close resemblance to the prior month. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Roche Serpent, French Guiana
The warmest months (with the highest average high temperature) are September and October (30.9°C).
The month with the lowest average high temperature is February (27.5°C).
The month with the highest average low temperature is November (25.1°C).
The coldest month (with the lowest average low temperature) is January (24.2°C).
Average pressure
Roche Serpent, French Guiana
- Average pressure in January:
1011.9mbar - Average pressure in February:
1011.8mbar - Average pressure in March:
1012mbar - Average pressure in April:
1012mbar - Average pressure in May:
1012.3mbar - Average pressure in June:
1013.1mbar
- Average pressure in July:
1013.1mbar - Average pressure in August:
1012.6mbar - Average pressure in September:
1012mbar - Average pressure in October:
1010.6mbar - Average pressure in November:
1009.7mbar - Average pressure in December:
1010.9mbar
The months with the highest atmospheric pressure are June and July (1013.1mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed
Roche Serpent, French Guiana
- Average wind speed in January:
14.3km/h - Average wind speed in February:
15.3km/h - Average wind speed in March:
14.9km/h - Average wind speed in April:
13.8km/h - Average wind speed in May:
12.8km/h - Average wind speed in June:
10.3km/h
- Average wind speed in July:
9.7km/h - Average wind speed in August:
11.3km/h - Average wind speed in September:
12.7km/h - Average wind speed in October:
12.6km/h - Average wind speed in November:
12.7km/h - Average wind speed in December:
13.6km/h
The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).
Average humidity
Roche Serpent, French Guiana
The months with the highest relative humidity are February and May (84%).
The months with the lowest relative humidity are September and October (77%).
Average rainfall
Roche Serpent, French Guiana
- Average rainfall in January:
161mm - Average rainfall in February:
159mm - Average rainfall in March:
129mm - Average rainfall in April:
203mm - Average rainfall in May:
279mm - Average rainfall in June:
244mm
The wettest month (with the highest rainfall) is May (279mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days
Roche Serpent, French Guiana
- Average rainfall days in January:
27.6 days - Average rainfall days in February:
26.3 days - Average rainfall days in March:
27.8 days - Average rainfall days in April:
27.3 days - Average rainfall days in May:
29.6 days - Average rainfall days in June:
28.3 days
- Average rainfall days in July:
27.4 days - Average rainfall days in August:
20.9 days - Average rainfall days in September:
14.3 days - Average rainfall days in October:
14.3 days - Average rainfall days in November:
18.2 days - Average rainfall days in December:
26 days
The month with the highest number of rainy days is May (29.6 days).
The months with the least rainy days are September and October (14.3 days).
Average daylight / Average sunshine
Roche Serpent, French Guiana
- Average daylight in January:
11h and 54min - Average daylight in February:
12h and 0min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 12min - Average daylight in May:
12h and 18min - Average daylight in June:
12h and 24min
- Average daylight in July:
12h and 24min - Average daylight in August:
12h and 18min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 54min - Average daylight in December:
11h and 54min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in January:
7h and 12min - Average sunshine in February:
5h and 48min - Average sunshine in March:
6h and 12min - Average sunshine in April:
6h and 24min - Average sunshine in May:
6h and 54min - Average sunshine in June:
7h and 42min
- Average sunshine in July:
8h and 24min - Average sunshine in August:
8h and 54min - Average sunshine in September:
9h and 18min - Average sunshine in October:
9h and 12min - Average sunshine in November:
8h and 48min - Average sunshine in December:
7h and 24min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days
Roche Serpent, French Guiana
- Average sunshine days in January:
1.4 days - Average sunshine days in February:
1.1 days - Average sunshine days in March:
1.1 days - Average sunshine days in April:
1.1 days - Average sunshine days in May:
0.6 days - Average sunshine days in June:
0.8 days
- Average sunshine days in July:
1.5 days - Average sunshine days in August:
5.8 days - Average sunshine days in September:
11.6 days - Average sunshine days in October:
13.2 days - Average sunshine days in November:
9.1 days - Average sunshine days in December:
3.2 days
The month with the most sunshine days is October (13.2 days).
The month with the least sunshine days is May (0.6 days).
Average UV index
Roche Serpent, French Guiana
The months with the highest UV index are July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June and December (UV index 6).
Average cloud cover
Roche Serpent, French Guiana
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 25).
Average visibility
Roche Serpent, French Guiana
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).





