Climate and monthly weather forecastRoche Bravo, French Guiana
Climate and monthly weather forecast
Weather in January
January, like December, in Roche Bravo, French Guiana, is a moderately hot winter month, with an average temperature varying between 27.8°C (82°F) and 24.2°C (75.6°F). With the advent of January, Roche Bravo's high-temperatures adjust to a still moderately hot 27.8°C (82°F), closely aligning with the preceding month. Weather in January »Weather in February
February, the last month of the winter in Roche Bravo, is another warm month, with an average temperature fluctuating between 24.3°C (75.7°F) and 27.5°C (81.5°F). The coldest time of the year is February, with temperatures averaging a high of 27.5°C (81.5°F) and a low of 24.3°C (75.7°F). The heat index value for February is calculated to be a hot 31°C (87.8°F). Weather in February »Weather in March
March, the first month of the spring in Roche Bravo, is also a moderately hot month, with an average temperature fluctuating between 24.7°C (76.5°F) and 28°C (82.4°F). Roche Bravo's entry into March measures an average high-temperature of a still warm 28°C (82.4°F), closely parallel to the preceding month. Weather in March »Weather in April
April, like March, in Roche Bravo, French Guiana, is another warm spring month, with an average temperature ranging between max 28.3°C (82.9°F) and min 24.8°C (76.6°F). The advent of April sees the average high-temperature at a still warm 28.3°C (82.9°F), subtly shifted from March's 28°C (82.4°F). Weather in April »Weather in May
The last month of the spring, May, is also a moderately hot month in Roche Bravo, French Guiana, with an average temperature fluctuating between 24.9°C (76.8°F) and 28.5°C (83.3°F). Roche Bravo's average high-temperature in May sits at a still moderately hot 28.5°C (83.3°F), showing little difference from the previous month. Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Roche Bravo, French Guiana, with an average temperature ranging between max 28.8°C (83.8°F) and min 24.5°C (76.1°F). The shift to June signals an average high-temperature of a still moderately hot 28.8°C (83.8°F), subtly varied from May's 28.5°C (83.3°F). Weather in June »Weather in July
July, like June, in Roche Bravo, French Guiana, is another warm summer month, with temperature in the range of an average high of 29.5°C (85.1°F) and an average low of 24.3°C (75.7°F). As Roche Bravo, French Guiana, welcomes July, the average high-temperature is noted at a still warm 29.5°C (85.1°F), closely aligning with the preceding month. Weather in July »Weather in August
The last month of the summer, August, is a hot month in Roche Bravo, French Guiana, with an average temperature fluctuating between 30.4°C (86.7°F) and 24.5°C (76.1°F). The transition from July to August brings an average high-temperature of a tropical 30.4°C (86.7°F), barely different from July's 29.5°C (85.1°F). Weather in August »Weather in September
The first month of the autumn, September, is also a hot month in Roche Bravo, French Guiana, with an average temperature ranging between min 24.8°C (76.6°F) and max 30.9°C (87.6°F). Temperatures reach their maximum during September and October, recording an average high-temperature of 30.9°C (87.6°F). For September, the heat index is calculated to be a scorching 40°C (104°F). Weather in September »Weather in October
October, like September, is another tropical autumn month in Roche Bravo, French Guiana, with an average temperature fluctuating between 25°C (77°F) and 30.9°C (87.6°F). Peak temperatures are observed in September and October, averaging a high-temperature of 30.9°C (87.6°F). Throughout October, the heat index is calculated to be an extremely hot 40°C (104°F). Weather in October »Weather in November
November, the last month of the autumn in Roche Bravo, is another tropical month, with an average temperature fluctuating between 25.1°C (77.2°F) and 30.4°C (86.7°F). Roche Bravo, French Guiana, starts November with an average high-temperature of a still tropical 30.4°C (86.7°F), hinting at a minimal fluctuation from October. Weather in November »Weather in December
December, the first month of the winter in Roche Bravo, is also a moderately hot month, with an average temperature varying between 24.7°C (76.5°F) and 28.6°C (83.5°F). Roche Bravo's shift into December is marked by a subtle change to a warm 28.6°C (83.5°F) from November's 30.4°C (86.7°F) in temperature. Weather in December »Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Throughout the year, in Roche Bravo, there are 288 rainfall days, and 1773mm (69.8") of precipitation is accumulated.
January through June and December, with an average maximum UV index of 6, are months with the lowest UV index in Roche Bravo, French Guiana.
In Roche Bravo, French Guiana, the average lowest temperatures are observed in February, with a high of 27.5°C (81.5°F) and a low of 24.3°C (75.7°F).
February and May, with an average relative humidity of 84%, are most humid months.
With an average of 5.8h of sunshine, February has the least sunshine of the year in Roche Bravo.
May is the month with the most rainfall in Roche Bravo, French Guiana. Rain falls for 29.6 days and accumulates 279mm (10.98") of precipitation.
The month with the longest days in Roche Bravo is June, with an average of 12h and 24min of daylight.
The months with the highest UV index in Roche Bravo, French Guiana, are July through November, with an average maximum UV index of 7.
September and October mark Roche Bravo's peak of temperatures, averaging a high-temperature of 30.9°C (87.6°F).
September and October, with an average relative humidity of 77%, are the least humid months in Roche Bravo, French Guiana.
The month with the least rainfall in Roche Bravo, French Guiana, is September, when the rain falls for 14.3 days and typically collects 29mm (1.14") of precipitation.
With an average of 9.3h of sunshine, September has the most sunshine of the year.
December has the shortest days of the year in Roche Bravo, French Guiana, with an average of 11h and 48min of daylight.
Roche Bravo, French Guiana, does not utilize Daylight Saving Time (DST). -03 timezone is used throughout the entire year.
Average temperature
Roche Bravo, 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 Bravo, 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 Bravo, 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 Bravo, 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 Bravo, 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 Bravo, 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 Bravo, 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 24min - 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 48min
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 48min).
- 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 Bravo, 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 Bravo, 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 Bravo, 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 Bravo, 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).
