Climate and monthly weather forecastSaint Pierre, French Guiana
Climate and monthly weather forecast
Weather in January
January, like December, in Saint Pierre, French Guiana, is another warm winter month, with an average temperature ranging between min 22°C (71.6°F) and max 28.4°C (83.1°F). The onset of January brings an average high-temperature of a still moderately hot 28.4°C (83.1°F), nearly matching the December temperature. Weather in January »Weather in February
The last month of the winter, February, is another warm month in Saint Pierre, French Guiana, with an average temperature ranging between max 27.9°C (82.2°F) and min 22.3°C (72.1°F). February is the month when Saint Pierre experiences its coldest temperatures, averaging a high of 27.9°C (82.2°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 Saint Pierre, is also a moderately hot month, with temperature in the range of an average low of 22.2°C (72°F) and an average high of 28.8°C (83.8°F). Saint Pierre in March witnesses an average high-temperature of a still moderately hot 28.8°C (83.8°F), indicating a slight variation from February's 27.9°C (82.2°F). Weather in March »Weather in April
April, like March, in Saint Pierre, French Guiana, is a moderately hot spring month, with an average temperature varying between 22.4°C (72.3°F) and 28.8°C (83.8°F). April brings an average high-temperature of a still warm 28.8°C (83.8°F), aligning with the conditions of the preceding month. Weather in April »Weather in May
The last month of the spring, May, is another warm month in Saint Pierre, French Guiana, with an average temperature varying between 22.3°C (72.1°F) and 28.8°C (83.8°F). May's arrival is characterized by an average high-temperature of a still warm 28.8°C (83.8°F), identical to that of April. Weather in May »Weather in June
June, the first month of the summer in Saint Pierre, is still a warm month, with temperature in the range of an average low of 21.8°C (71.2°F) and an average high of 29.3°C (84.7°F). June's arrival registers an average high-temperature of a still moderately hot 29.3°C (84.7°F), closely aligning with the temperature of the previous month. Weather in June »Weather in July
July is a tropical summer month in Saint Pierre, French Guiana, with an average temperature varying between 21.3°C (70.3°F) and 30.3°C (86.5°F). As Saint Pierre welcomes July, the average high-temperature is noted at a tropical 30.3°C (86.5°F), closely aligning with the preceding month. Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Saint Pierre, French Guiana, with temperature in the range of an average low of 21.7°C (71.1°F) and an average high of 32.3°C (90.1°F). Saint Pierre's average high-temperature in August is a still tropical 32.3°C (90.1°F), marking an insignificant difference from the 30.3°C (86.5°F) of July. Weather in August »Weather in September
September, the first month of the autumn in Saint Pierre, is still a tropical month, with an average temperature varying between 21.8°C (71.2°F) and 33.7°C (92.7°F). A minor adjustment in Saint Pierre's average high-temperature is noted with the start of September, touching a still hot 33.7°C (92.7°F) from August's 32.3°C (90.1°F). Weather in September »Weather in October
October, like September, is a hot autumn month in Saint Pierre, French Guiana, with temperature in the range of an average low of 22.2°C (72°F) and an average high of 34.3°C (93.7°F). October proves to be the warmest month, recording an average peak temperature of 34.3°C (93.7°F) and a minimum temperature of 22.2°C (72°F). The average heat index in October is appraised at a blazing hot 51°C (123.8°F). Weather in October »Weather in November
November, the last month of the autumn in Saint Pierre, is another hot month, with temperature in the range of an average low of 22.2°C (72°F) and an average high of 33°C (91.4°F). With the onset of November, the average high-temperature stands at a still tropical 33°C (91.4°F), closely aligned with October's 34.3°C (93.7°F). Weather in November »Weather in December
December, the first month of the winter in Saint Pierre, is still a warm month, with an average temperature varying between 29.8°C (85.6°F) and 22°C (71.6°F). Saint Pierre's December weather shows a modest shift in high-temperatures, falling from November's tropical 33°C (91.4°F) to a moderately hot 29.8°C (85.6°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 Saint Pierre, French Guiana, there are 270.6 rainfall days, and 1131mm (44.53") of precipitation is accumulated.
The months with the lowest UV index are January through July, November and December, with an average maximum UV index of 6.
Saint Pierre, French Guiana, notes the coldest temperatures in February, with a average high of 27.9°C (82.2°F) and a low of 22.3°C (72.1°F).
February has the least sunshine of the year in Saint Pierre, French Guiana, with an average of 4h of sunshine.
The most humid month in Saint Pierre is May, with an average relative humidity of 91%.
The month with the most rainfall in Saint Pierre, French Guiana, is May, when the rain falls for 28.9 days and typically aggregates up to 195mm (7.68") of precipitation.
With an average of 12h and 18min of daylight, June has the longest days of the year.
The months with the highest UV index are August through October, with an average maximum UV index of 7.
September is the month with the least rainfall in Saint Pierre. Rain falls for 12.5 days and accumulates 21mm (0.83") of precipitation.
The month with the most sunshine in Saint Pierre, French Guiana, is September, with an average of 8.8h of sunshine.
The warmest period in Saint Pierre, French Guiana, is October, when temperatures fluctuate between an average high of 34.3°C (93.7°F) and a low of 22.2°C (72°F).
With an average relative humidity of 75%, October is the least humid month in Saint Pierre, French Guiana.
December has the shortest days of the year, with an average of 11h and 54min of daylight.
Saint Pierre, French Guiana, does not observe Daylight Saving Time (DST). -03 timezone is used over the entire year.
Average temperature
Saint Pierre, French Guiana
The warmest month (with the highest average high temperature) is October (34.3°C).
The month with the lowest average high temperature is February (27.9°C).
The month with the highest average low temperature is April (22.4°C).
The coldest month (with the lowest average low temperature) is July (21.3°C).
Average pressure
Saint Pierre, 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:
1010.6mbar - 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
Saint Pierre, French Guiana
- Average wind speed in January:
5.6km/h - Average wind speed in February:
5.7km/h - Average wind speed in March:
5.8km/h - Average wind speed in April:
5.3km/h - Average wind speed in May:
4.7km/h - Average wind speed in June:
4.2km/h
- Average wind speed in July:
4.5km/h - Average wind speed in August:
5.3km/h - Average wind speed in September:
6km/h - Average wind speed in October:
6.1km/h - Average wind speed in November:
5.9km/h - Average wind speed in December:
5.6km/h
The windiest month (with the highest average wind speed) is October (6.1km/h).
The calmest month (with the lowest average wind speed) is June (4.2km/h).
Average humidity
Saint Pierre, French Guiana
The month with the highest relative humidity is May (91%).
The month with the lowest relative humidity is October (75%).
Average rainfall
Saint Pierre, French Guiana
- Average rainfall in January:
92mm - Average rainfall in February:
90mm - Average rainfall in March:
86mm - Average rainfall in April:
142mm - Average rainfall in May:
195mm - Average rainfall in June:
133mm
The wettest month (with the highest rainfall) is May (195mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days
Saint Pierre, French Guiana
- Average rainfall days in January:
25.4 days - Average rainfall days in February:
22.9 days - Average rainfall days in March:
25.9 days - Average rainfall days in April:
26.5 days - Average rainfall days in May:
28.9 days - Average rainfall days in June:
26.6 days
- Average rainfall days in July:
26.8 days - Average rainfall days in August:
21.1 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
12 days - Average rainfall days in November:
16.9 days - Average rainfall days in December:
25.1 days
The month with the highest number of rainy days is May (28.9 days).
The month with the least rainy days is October (12 days).
Average daylight / Average sunshine
Saint Pierre, 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 0min - Average daylight in November:
12h and 0min - Average daylight in December:
11h and 54min
The month with the longest days is June (Average daylight: 12h and 18min).
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 48min - Average sunshine in May:
5h and 30min - Average sunshine in June:
6h and 48min
- Average sunshine in July:
7h and 24min - 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:
5h and 54min
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
Saint Pierre, French Guiana
- Average sunshine days in January:
4.8 days - Average sunshine days in February:
4.9 days - Average sunshine days in March:
4.2 days - Average sunshine days in April:
2.7 days - Average sunshine days in May:
1.8 days - Average sunshine days in June:
2 days
- Average sunshine days in July:
2.5 days - Average sunshine days in August:
6.4 days - Average sunshine days in September:
13.5 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
10.7 days - Average sunshine days in December:
4.5 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is May (1.8 days).
Average UV index
Saint Pierre, French Guiana
The months with the highest UV index are August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, November and December (UV index 6).
Average cloud cover
Saint Pierre, French Guiana
The month with the most cloud cover is February (Cloud cover 78).
The month with the least cloud cover is October (Cloud cover 46).
Average visibility
Saint Pierre, French Guiana
The months with the highest visibility are September and October (7km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, November and December (6km).
