Climate and monthly weather forecastGaston, French Guiana
Climate and monthly weather forecast
Weather in January
January, the same as December, is another warm winter month in Gaston, French Guiana, with an average temperature fluctuating between 28.3°C (82.9°F) and 22.1°C (71.8°F). January's beginning signals an average high-temperature of a still warm 28.3°C (82.9°F), barely different from December's 29.9°C (85.8°F). Weather in January »Weather in February
The last month of the winter, February, is also a moderately hot month in Gaston, French Guiana, with an average temperature varying between 27.8°C (82°F) and 22.3°C (72.1°F). In Gaston, the lowest average temperatures are observed in February, with a high of 27.8°C (82°F) and a low of 22.3°C (72.1°F). The average heat index in February is appraised at a tropical 33°C (91.4°F). Weather in February »Weather in March
March, the first month of the spring in Gaston, is still a warm month, with an average temperature varying between 28.8°C (83.8°F) and 22.3°C (72.1°F). With March's arrival, Gaston's weather records an average high-temperature of a still warm 28.8°C (83.8°F), marking little difference from February's 27.8°C (82°F). Weather in March »Weather in April
April, the same as March, is a moderately hot spring month in Gaston, French Guiana, with an average temperature fluctuating between 22.5°C (72.5°F) and 28.7°C (83.7°F). Gaston, French Guiana, experiences a recorded average high-temperature of a still moderately hot 28.7°C (83.7°F) in April, closely aligned with March's 28.8°C (83.8°F). Weather in April »Weather in May
The last month of the spring, May, is another warm month in Gaston, French Guiana, with temperature in the range of an average high of 28.8°C (83.8°F) and an average low of 22.3°C (72.1°F). As Gaston steps into May, the average high-temperature is measured at a still moderately hot 28.8°C (83.8°F), displaying minor differences from April's 28.7°C (83.7°F). Weather in May »Weather in June
June, the first month of the summer in Gaston, is also a moderately hot month, with an average temperature fluctuating between 21.8°C (71.2°F) and 29.3°C (84.7°F). Gaston notes an average high-temperature of a still warm 29.3°C (84.7°F) in June, hardly diverging from May. Weather in June »Weather in July
July in Gaston, French Guiana, is a tropical summer month, with an average temperature ranging between min 21.5°C (70.7°F) and max 30.3°C (86.5°F). With the transition into July, Gaston notes an average high-temperature of a hot 30.3°C (86.5°F), closely resembling June. Weather in July »Weather in August
August, the last month of the summer in Gaston, is another tropical month, with an average temperature fluctuating between 21.9°C (71.4°F) and 32.3°C (90.1°F). In the transition from July to August, Gaston reports an average high-temperature of a still tropical 32.3°C (90.1°F), indicating a close resemblance to the prior month. Weather in August »Weather in September
September, the first month of the autumn in Gaston, is still a hot month, with temperature in the range of an average high of 33.6°C (92.5°F) and an average low of 22°C (71.6°F). September begins with an average high-temperature of a still tropical 33.6°C (92.5°F), reflecting close similarity to the preceding month. Weather in September »Weather in October
October, like September, is a hot autumn month in Gaston, French Guiana, with an average temperature ranging between min 22.2°C (72°F) and max 33.9°C (93°F). Gaston's temperatures peak on average in October, reaching 33.9°C (93°F) at their highest and 22.2°C (72°F) at their lowest. In October, the heat index is appraised at a burning hot 49°C (120.2°F). Weather in October »Weather in November
November, the last month of the autumn in Gaston, is another tropical month, with an average temperature ranging between min 22.2°C (72°F) and max 33.1°C (91.6°F). A minor adjustment in Gaston's average high-temperature is noted with the start of November, touching a still tropical 33.1°C (91.6°F) from October's 33.9°C (93°F). Weather in November »Weather in December
The first month of the winter, December, is still a warm month in Gaston, French Guiana, with an average temperature varying between 22.1°C (71.8°F) and 29.9°C (85.8°F). December implies a soft temperature shift, with average high-temperatures reducing from November's hot 33.1°C (91.6°F) to a warm 29.9°C (85.8°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
In Gaston, during the entire year, the rain falls for 280.4 days and collects up to 1281mm (50.43") of precipitation.
The months with the lowest UV index are January through June and December, with an average maximum UV index of 6.
Gaston's coldest month, February, generally records average temperatures ranging from a high of 27.8°C (82°F) to a low of 22.3°C (72.1°F).
February has the least sunshine of the year, with an average of 4h of sunshine.
May is the most humid month, with an average relative humidity of 91%.
May is the month with the most rainfall in Gaston, French Guiana. Rain falls for 29.8 days and accumulates 215mm (8.46") of precipitation.
The month with the longest days in Gaston, French Guiana, is June, with an average of 12h and 24min of daylight.
The months with the highest UV index in Gaston, French Guiana, are July through November, with an average maximum UV index of 7.
September has the most sunshine of the year, with an average of 8.8h of sunshine.
Gaston, French Guiana, reaches its average highest temperatures in October, measuring 33.9°C (93°F) at the peak and 22.2°C (72°F) at the lowest.
The least humid month in Gaston, French Guiana, is October, with an average relative humidity of 75%.
The month with the least rainfall in Gaston is October, when the rain falls for 10.9 days and typically collects 20mm (0.79") of precipitation.
With an average of 11h and 54min of daylight, December has the shortest days of the year in Gaston.
Gaston does not utilize Daylight Saving Time (DST). -03 timezone is used throughout the entire year.
Average temperature
Gaston, French Guiana
The warmest month (with the highest average high temperature) is October (33.9°C).
The month with the lowest average high temperature is February (27.8°C).
The month with the highest average low temperature is April (22.5°C).
The coldest month (with the lowest average low temperature) is July (21.5°C).
Average pressure
Gaston, French Guiana
- Average pressure in January:
1011.7mbar - Average pressure in February:
1011.5mbar - Average pressure in March:
1011.8mbar - Average pressure in April:
1011.8mbar - Average pressure in May:
1012.3mbar - Average pressure in June:
1013.1mbar
- Average pressure in July:
1013.2mbar - Average pressure in August:
1012.8mbar - Average pressure in September:
1012.1mbar - Average pressure in October:
1010.7mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.8mbar
The month with the highest atmospheric pressure is July (1013.2mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed
Gaston, French Guiana
- Average wind speed in January:
5.7km/h - Average wind speed in February:
5.8km/h - Average wind speed in March:
5.9km/h - Average wind speed in April:
5.3km/h - Average wind speed in May:
4.8km/h - Average wind speed in June:
4.3km/h
- Average wind speed in July:
4.6km/h - Average wind speed in August:
5.4km/h - Average wind speed in September:
6.1km/h - Average wind speed in October:
6.2km/h - Average wind speed in November:
6km/h - Average wind speed in December:
5.6km/h
The windiest month (with the highest average wind speed) is October (6.2km/h).
The calmest month (with the lowest average wind speed) is June (4.3km/h).
Average humidity
Gaston, French Guiana
The month with the highest relative humidity is May (91%).
The month with the lowest relative humidity is October (75%).
Average rainfall
Gaston, French Guiana
- Average rainfall in January:
126mm - Average rainfall in February:
120mm - Average rainfall in March:
113mm - Average rainfall in April:
168mm - Average rainfall in May:
215mm - Average rainfall in June:
143mm
The wettest month (with the highest rainfall) is May (215mm).
The driest month (with the least rainfall) is October (20mm).
Average rainfall days
Gaston, French Guiana
- Average rainfall days in January:
28.6 days - Average rainfall days in February:
27.2 days - Average rainfall days in March:
29.7 days - Average rainfall days in April:
28.7 days - Average rainfall days in May:
29.8 days - Average rainfall days in June:
27.2 days
- Average rainfall days in July:
26.3 days - Average rainfall days in August:
18.8 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
16.1 days - Average rainfall days in December:
25.3 days
The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is October (10.9 days).
Average daylight / Average sunshine
Gaston, 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 18min - 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:
5h and 12min - Average sunshine in February:
4h and 0min - Average sunshine in March:
4h and 36min - Average sunshine in April:
4h and 54min - Average sunshine in May:
5h and 36min - Average sunshine in June:
6h and 48min
- Average sunshine in July:
7h and 30min - Average sunshine in August:
8h and 24min - Average sunshine in September:
8h and 48min - Average sunshine in October:
8h and 42min - Average sunshine in November:
8h and 0min - Average sunshine in December:
6h and 0min
The month with the most sunshine is September (Average sunshine: 8h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days
Gaston, French Guiana
- Average sunshine days in January:
1.5 days - Average sunshine days in February:
0.6 days - Average sunshine days in March:
0.6 days - Average sunshine days in April:
0.5 days - Average sunshine days in May:
0.8 days - Average sunshine days in June:
1.4 days
- Average sunshine days in July:
2.8 days - Average sunshine days in August:
8.8 days - Average sunshine days in September:
14.4 days - Average sunshine days in October:
17.2 days - Average sunshine days in November:
10.7 days - Average sunshine days in December:
3.6 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is April (0.5 days).
Average UV index
Gaston, 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
Gaston, French Guiana
The month with the most cloud cover is February (Cloud cover 77).
The month with the least cloud cover is October (Cloud cover 45).
Average visibility
Gaston, French Guiana
The months with the highest visibility are September, October and November (7km).
The months with the lowest visibility are January, February, March, April, May, June, July, August and December (6km).
