Climate and monthly weather forecastDiamant, French Guiana
Climate and monthly weather forecast
Weather in January
January, like December, in Diamant, French Guiana, is another warm winter month, with temperature in the range of an average high of 27.8°C (82°F) and an average low of 24.2°C (75.6°F). Diamant starts January with an average high-temperature of a still warm 27.8°C (82°F), hinting at a minimal fluctuation from December. Weather in January »Weather in February
The last month of the winter, February, is another warm month in Diamant, French Guiana, with an average temperature varying between 27.5°C (81.5°F) and 24.3°C (75.7°F). The month of February, characterized by an average high of 27.5°C (81.5°F) and a low of 24.3°C (75.7°F), is recognized as the coldest. February's average heat index is evaluated at 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 Diamant, French Guiana, with an average temperature fluctuating between 28°C (82.4°F) and 24.7°C (76.5°F). March's average high-temperature is a still warm 28°C (82.4°F), maintaining a close comparison with February's 27.5°C (81.5°F). Weather in March »Weather in April
April, like March, in Diamant, French Guiana, is a moderately hot spring month, with an average temperature varying between 28.3°C (82.9°F) and 24.8°C (76.6°F). Diamant marks the onset of April with an average high-temperature of a still moderately hot 28.3°C (82.9°F), subtly divergent from March's 28°C (82.4°F). Weather in April »Weather in May
May, the last month of the spring in Diamant, is another warm month, with an average temperature varying between 24.9°C (76.8°F) and 28.5°C (83.3°F). The commencement of May introduces an average high-temperature of a still warm 28.5°C (83.3°F), closely mirroring the preceding month. Weather in May »Weather in June
June, the first month of the summer in Diamant, is still a warm month, with an average temperature ranging between max 28.8°C (83.8°F) and min 24.5°C (76.1°F). June's weather records an average high-temperature of a still moderately hot 28.8°C (83.8°F), showing little deviation from May. Weather in June »Weather in July
July, like June, in Diamant, French Guiana, is a moderately hot summer month, with an average temperature fluctuating between 24.3°C (75.7°F) and 29.5°C (85.1°F). The advent of July reveals an average high-temperature of a still moderately hot 29.5°C (85.1°F), showing minimal difference from the prior month. Weather in July »Weather in August
August, the last month of the summer in Diamant, is a hot month, with temperature in the range of an average high of 30.4°C (86.7°F) and an average low of 24.5°C (76.1°F). In August, Diamant's weather conditions record an average high-temperature of a hot 30.4°C (86.7°F), demonstrating little divergence from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a hot month in Diamant, French Guiana, with temperature in the range of an average high of 30.9°C (87.6°F) and an average low of 24.8°C (76.6°F). In Diamant, French Guiana, the months of September and October register the highest average temperatures, peaking at 30.9°C (87.6°F). The heat index for September is evaluated at a blistering 40°C (104°F). Weather in September »Weather in October
October, the same as September, in Diamant, French Guiana, is another tropical autumn month, with temperature in the range of an average high of 30.9°C (87.6°F) and an average low of 25°C (77°F). The warmest months are September and October, with an average high-temperature of 30.9°C (87.6°F). October's heat index is evaluated at a scorching 40°C (104°F). Weather in October »Weather in November
November, the last month of the autumn in Diamant, is another hot month, with an average temperature varying between 30.4°C (86.7°F) and 25.1°C (77.2°F). Diamant commences November with an average high-temperature of a still hot 30.4°C (86.7°F), maintaining a close resemblance to the previous month. Weather in November »Weather in December
December, the first month of the winter in Diamant, is still a warm month, with temperature in the range of an average high of 28.6°C (83.5°F) and an average low of 24.7°C (76.5°F). The introduction of December sees an average high-temperature of a moderately hot 28.6°C (83.5°F), hardly deviating from November. 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
In Diamant, during the entire year, the rain falls for 288 days and collects up to 1773mm (69.8") of precipitation.
The months with the lowest UV index are January through June and December, with an average maximum UV index of 6.
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).
February and May, with an average relative humidity of 84%, are most humid months in Diamant, French Guiana.
February has the least sunshine of the year, with an average of 5.8h of sunshine.
The month with the most rainfall is May, when the rain falls for 29.6 days and typically aggregates up to 279mm (10.98") of precipitation.
The month with the longest days in Diamant is June, with an average of 12h and 24min of daylight.
July through November, with an average maximum UV index of 7, are months with the highest UV index.
In Diamant, the months of September and October register the average highest temperatures, peaking at 30.9°C (87.6°F).
September and October, with an average relative humidity of 77%, are the least humid months.
The month with the least rainfall 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.
With an average of 11h and 48min of daylight, December has the shortest days of the year in Diamant.
Diamant, French Guiana, does not observe Daylight Saving Time (DST). -03 timezone is used over the entire year.
Average temperature
Diamant, 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
Diamant, 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
Diamant, 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
Diamant, 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
Diamant, 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
Diamant, 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
Diamant, 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
Diamant, 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
Diamant, 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
Diamant, 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
Diamant, 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).
