Climate and monthly weather forecastSaint-Bernard, French Guiana
Climate and monthly weather forecast
Weather in January
January, like December, in Saint-Bernard, French Guiana, is a moderately hot winter month, with an average temperature ranging between min 24.2°C (75.6°F) and max 27.8°C (82°F). The introduction of January notes a subtle temperature variation to a still warm 27.8°C (82°F) from December's 28.6°C (83.5°F). Weather in January »Weather in February
The last month of the winter, February, is another warm month in Saint-Bernard, French Guiana, with an average temperature varying between 27.5°C (81.5°F) and 24.3°C (75.7°F). During the coldest month, February, temperatures average a high of 27.5°C (81.5°F) and a low of 24.3°C (75.7°F). February's mean heat index is estimated at a hot 31°C (87.8°F). Weather in February »Weather in March
March, the first month of the spring in Saint-Bernard, is also a moderately hot month, with temperature in the range of an average low of 24.7°C (76.5°F) and an average high of 28°C (82.4°F). The advent of March observes an average high-temperature of a still warm 28°C (82.4°F), nearly identical to February's 27.5°C (81.5°F). Weather in March »Weather in April
April, the same as March, is a moderately hot spring month in Saint-Bernard, French Guiana, with an average temperature fluctuating between 24.8°C (76.6°F) and 28.3°C (82.9°F). Saint-Bernard's shift into April is marked by a subtle change to a still moderately hot 28.3°C (82.9°F) from March's 28°C (82.4°F) in temperature. Weather in April »Weather in May
The last month of the spring, May, is another warm month in Saint-Bernard, French Guiana, with an average temperature varying between 24.9°C (76.8°F) and 28.5°C (83.3°F). Saint-Bernard marks the start of May with an average high-temperature of a still warm 28.5°C (83.3°F), hinting at a slight fluctuation from April's 28.3°C (82.9°F). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Saint-Bernard, French Guiana, with an average temperature fluctuating between 24.5°C (76.1°F) and 28.8°C (83.8°F). A minor adjustment in Saint-Bernard's average high-temperature is noted with the start of June, touching a still warm 28.8°C (83.8°F) from May's 28.5°C (83.3°F). Weather in June »Weather in July
July, like June, in Saint-Bernard, French Guiana, is another warm summer month, with temperature in the range of an average low of 24.3°C (75.7°F) and an average high of 29.5°C (85.1°F). The transition into July shows a subtle variation to a still moderately hot 29.5°C (85.1°F) from June's 28.8°C (83.8°F) in the average high-temperature. Weather in July »Weather in August
The last month of the summer, August, is a hot month in Saint-Bernard, French Guiana, with an average temperature fluctuating between 24.5°C (76.1°F) and 30.4°C (86.7°F). The arrival of August brings an average high-temperature of a hot 30.4°C (86.7°F), subtly diverging 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 Saint-Bernard, French Guiana, with an average temperature ranging between max 30.9°C (87.6°F) and min 24.8°C (76.6°F). In Saint-Bernard, September and October are characterised by the peak of temperatures, recording an average high of 30.9°C (87.6°F). In September, the average heat index is estimated at an extremely hot 40°C (104°F). Weather in September »Weather in October
October, the same as September, in Saint-Bernard, French Guiana, is a hot autumn month, with an average temperature fluctuating between 30.9°C (87.6°F) and 25°C (77°F). The highest point of temperatures falls in September and October, when the average high-temperature ascends to 30.9°C (87.6°F). October's heat index is estimated at a blisteringly hot 40°C (104°F). Weather in October »Weather in November
November, the last month of the autumn in Saint-Bernard, is also a hot month, with an average temperature fluctuating between 25.1°C (77.2°F) and 30.4°C (86.7°F). November's arrival shows an average high-temperature of a still hot 30.4°C (86.7°F), hardly different from the previous month. Weather in November »Weather in December
The first month of the winter, December, is still a warm month in Saint-Bernard, French Guiana, with an average temperature varying between 28.6°C (83.5°F) and 24.7°C (76.5°F). The onset of December brings an average high-temperature of a moderately hot 28.6°C (83.5°F), nearly matching the November 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 Saint-Bernard, 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.
February is the coldest month in Saint-Bernard, 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 months with the highest humidity are February and May, with an average relative humidity of 84%.
February has the least sunshine of the year in Saint-Bernard, French Guiana, with an average of 5.8h of sunshine.
The month with the most rainfall in Saint-Bernard, French Guiana, is May, when the rain falls for 29.6 days and typically aggregates up to 279mm (10.98") of precipitation.
June has the longest days of the year in Saint-Bernard, with an average of 12h and 24min of daylight.
The months with the highest UV index are July through November, with an average maximum UV index of 7.
September and October, with an average high-temperature of 30.9°C (87.6°F), are marked as the warmest months in Saint-Bernard, French Guiana.
September and October, with an average relative humidity of 77%, are the least humid months in Saint-Bernard.
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.
The month with the shortest days in Saint-Bernard is December, with an average of 11h and 48min of daylight.
Saint-Bernard does not observe Daylight Saving Time (DST). -03 timezone is used throughout the entire year.
Average temperature
Saint-Bernard, 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
Saint-Bernard, 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
Saint-Bernard, 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
Saint-Bernard, 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
Saint-Bernard, 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
Saint-Bernard, 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
Saint-Bernard, 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
Saint-Bernard, 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
Saint-Bernard, 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
Saint-Bernard, 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
Saint-Bernard, 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).
