Climate and monthly weather forecastRoche Chapeau, French Guiana
Climate and monthly weather forecast
Weather in January
January, the same as December, is a moderately hot winter month in Roche Chapeau, French Guiana, with an average temperature ranging between min 20.8°C (69.4°F) and max 29.7°C (85.5°F). Roche Chapeau marks the onset of January with an average high-temperature of a warm 29.7°C (85.5°F), subtly divergent from December's 30.8°C (87.4°F). Weather in January »Weather in February
February, the last month of the winter in Roche Chapeau, is also a moderately hot month, with an average temperature fluctuating between 21.2°C (70.2°F) and 29.3°C (84.7°F). Roche Chapeau's coldest month, February, registers temperatures that range from a high of 29.3°C (84.7°F) to a low of 21.2°C (70.2°F). February's heat index is computed to be a fiery hot 38°C (100.4°F). Weather in February »Weather in March
March, the first month of the spring in Roche Chapeau, is a hot month, with an average temperature ranging between min 21°C (69.8°F) and max 30.1°C (86.2°F). The shift from February to March is characterized by an average high-temperature of a tropical 30.1°C (86.2°F), not significantly different from the 29.3°C (84.7°F) of February. Weather in March »Weather in April
April, like March, in Roche Chapeau, French Guiana, is another warm spring month, with an average temperature fluctuating between 29.8°C (85.6°F) and 21.5°C (70.7°F). During April, the average high-temperature is a warm 29.8°C (85.6°F), maintaining a close resemblance to that of the preceding month. Weather in April »Weather in May
The last month of the spring, May, is another warm month in Roche Chapeau, French Guiana, with an average temperature ranging between max 29.8°C (85.6°F) and min 21.9°C (71.4°F). Roche Chapeau's weather, upon May's arrival, documents an average high-temperature of a still warm 29.8°C (85.6°F), nearly the same as the prior month. Weather in May »Weather in June
June, the first month of the summer in Roche Chapeau, is a hot month, with an average temperature fluctuating between 21.1°C (70°F) and 30.3°C (86.5°F). The advent of June observes an average high-temperature of a hot 30.3°C (86.5°F), nearly identical to May's 29.8°C (85.6°F). Weather in June »Weather in July
July, the same as June, in Roche Chapeau, French Guiana, is another tropical summer month, with temperature in the range of an average low of 20.8°C (69.4°F) and an average high of 31.1°C (88°F). The introduction of July notes a subtle temperature variation to a still tropical 31.1°C (88°F) from June's 30.3°C (86.5°F). Weather in July »Weather in August
August, the last month of the summer in Roche Chapeau, is another hot month, with temperature in the range of an average high of 32.8°C (91°F) and an average low of 20.5°C (68.9°F). Roche Chapeau marks the arrival of August with an average high-temperature of a still hot 32.8°C (91°F), hardly different from July's 31.1°C (88°F). Weather in August »Weather in September
The first month of the autumn, September, is still a hot month in Roche Chapeau, French Guiana, with temperature in the range of an average low of 20.5°C (68.9°F) and an average high of 34.1°C (93.4°F). September's weather displays an average high-temperature of a still tropical 34.1°C (93.4°F), slightly varied from August's 32.8°C (91°F). Weather in September »Weather in October
October, like September, is another tropical autumn month in Roche Chapeau, French Guiana, with an average temperature fluctuating between 20.8°C (69.4°F) and 34.9°C (94.8°F). The warmest period is October, when temperatures fluctuate between an average high of 34.9°C (94.8°F) and a low of 20.8°C (69.4°F). For most parts of October, the heat index is computed to be a burning hot 51°C (123.8°F). Weather in October »Weather in November
November, the last month of the autumn in Roche Chapeau, is another tropical month, with an average temperature fluctuating between 34°C (93.2°F) and 21°C (69.8°F). November observes an average high-temperature of a still tropical 34°C (93.2°F), marking an insignificant difference from October's 34.9°C (94.8°F). Weather in November »Weather in December
The first month of the winter, December, is still a tropical month in Roche Chapeau, French Guiana, with temperature in the range of an average high of 30.8°C (87.4°F) and an average low of 20.9°C (69.6°F). In December, the meteorological conditions change slightly, with the average high-temperature moving from a tropical 34°C (93.2°F) in November to a still hot 30.8°C (87.4°F). 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 Chapeau, there are 265.5 rainfall days, and 1078mm (42.44") of precipitation is accumulated.
The months with the lowest UV index are January, March and December, with an average maximum UV index of 5.
February, on average, is the coldest month in Roche Chapeau, registering a high temperature of 29.3°C (84.7°F) and a low of 21.2°C (70.2°F).
The month with the least sunshine is February, with an average of 4h of sunshine.
With an average relative humidity of 90%, May is the most humid month in Roche Chapeau, French Guiana.
The month with the most rainfall in Roche Chapeau, French Guiana, is May, when the rain falls for 25.9 days and typically aggregates up to 192mm (7.56") of precipitation.
The month with the longest days is June, with an average of 12h and 18min of daylight.
August through November, with an average maximum UV index of 7, are months with the highest UV index in Roche Chapeau, French Guiana.
September and October, with an average of 8.8h of sunshine, are months with the most sunshine.
Roche Chapeau's temperature records reveal October as the warmest month, marked by average highs of 34.9°C (94.8°F) and lows of 20.8°C (69.4°F).
With an average relative humidity of 72%, October is the least humid month in Roche Chapeau, French Guiana.
October is the month with the least rainfall. Rain falls for 10.4 days and accumulates 21mm (0.83") of precipitation.
December has the shortest days of the year, with an average of 12h and 0min of daylight.
Roche Chapeau does not observe Daylight Saving Time (DST). -03 timezone is used over the entire year.
Average temperature
Roche Chapeau, French Guiana
The warmest month (with the highest average high temperature) is October (34.9°C).
The month with the lowest average high temperature is February (29.3°C).
The month with the highest average low temperature is May (21.9°C).
The coldest months (with the lowest average low temperature) are August and September (20.5°C).
Average pressure
Roche Chapeau, French Guiana
- Average pressure in January:
1011.8mbar - Average pressure in February:
1011.6mbar - Average pressure in March:
1011.7mbar - Average pressure in April:
1011.8mbar - Average pressure in May:
1012.2mbar - Average pressure in June:
1013mbar
- Average pressure in July:
1013mbar - Average pressure in August:
1012.4mbar - Average pressure in September:
1011.6mbar - Average pressure in October:
1010.2mbar - Average pressure in November:
1009.4mbar - Average pressure in December:
1010.7mbar
The months with the highest atmospheric pressure are June and July (1013mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed
Roche Chapeau, French Guiana
- Average wind speed in January:
5.1km/h - Average wind speed in February:
5.3km/h - Average wind speed in March:
5.3km/h - Average wind speed in April:
4.8km/h - Average wind speed in May:
4.5km/h - Average wind speed in June:
4.3km/h
- Average wind speed in July:
4.2km/h - Average wind speed in August:
4.5km/h - Average wind speed in September:
4.9km/h - Average wind speed in October:
5.2km/h - Average wind speed in November:
5.3km/h - Average wind speed in December:
5.1km/h
The windiest months (with the highest average wind speed) are February, March and November (5.3km/h).
The calmest month (with the lowest average wind speed) is July (4.2km/h).
Average humidity
Roche Chapeau, French Guiana
The month with the highest relative humidity is May (90%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Roche Chapeau, French Guiana
- Average rainfall in January:
86mm - Average rainfall in February:
81mm - Average rainfall in March:
82mm - Average rainfall in April:
129mm - Average rainfall in May:
192mm - Average rainfall in June:
123mm
The wettest month (with the highest rainfall) is May (192mm).
The driest month (with the least rainfall) is October (21mm).
Average rainfall days
Roche Chapeau, French Guiana
- Average rainfall days in January:
26.8 days - Average rainfall days in February:
25.8 days - Average rainfall days in March:
26.8 days - Average rainfall days in April:
26.3 days - Average rainfall days in May:
25.9 days - Average rainfall days in June:
24.5 days
- Average rainfall days in July:
24.6 days - Average rainfall days in August:
18.8 days - Average rainfall days in September:
14.3 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
15.1 days - Average rainfall days in December:
26.2 days
The months with the highest number of rainy days are January and March (26.8 days).
The month with the least rainy days is October (10.4 days).
Average daylight / Average sunshine
Roche Chapeau, French Guiana
- Average daylight in January:
12h and 0min - 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 18min
- Average daylight in July:
12h and 18min - Average daylight in August:
12h and 12min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 6min - Average daylight in November:
12h and 0min - Average daylight in December:
12h and 0min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in January:
4h and 54min - Average sunshine in February:
4h and 0min - Average sunshine in March:
4h and 42min - Average sunshine in April:
4h and 36min - Average sunshine in May:
5h and 6min - Average sunshine in June:
6h and 36min
- Average sunshine in July:
7h and 30min - Average sunshine in August:
8h and 36min - Average sunshine in September:
8h and 48min - Average sunshine in October:
8h and 48min - Average sunshine in November:
8h and 12min - Average sunshine in December:
5h and 36min
The months with the most sunshine are September and October (Average sunshine: 8h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days
Roche Chapeau, French Guiana
- Average sunshine days in January:
2.3 days - Average sunshine days in February:
1.8 days - Average sunshine days in March:
2.7 days - Average sunshine days in April:
2.5 days - Average sunshine days in May:
3.4 days - Average sunshine days in June:
3.3 days
- Average sunshine days in July:
4.3 days - Average sunshine days in August:
9.5 days - Average sunshine days in September:
13.3 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
12.5 days - Average sunshine days in December:
3.7 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is February (1.8 days).
Average UV index
Roche Chapeau, French Guiana
The months with the highest UV index are August, September, October and November (UV index 7).
The months with the lowest UV index are January, March and December (UV index 5).
Average cloud cover
Roche Chapeau, French Guiana
The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is October (Cloud cover 44).
Average visibility
Roche Chapeau, French Guiana
The month with the highest visibility is October (8km).
The month with the lowest visibility is May (5km).
