Climate and monthly weather forecastSaï, French Guiana
Climate and monthly weather forecast
Weather in January
January, the same as December, is a moderately hot winter month in Saï, French Guiana, with an average temperature fluctuating between 29.7°C (85.5°F) and 20.8°C (69.4°F). The advent of January sees the average high-temperature at a warm 29.7°C (85.5°F), subtly shifted from December's 30.8°C (87.4°F). Weather in January »Weather in February
The last month of the winter, February, is another warm month in Saï, French Guiana, with an average temperature varying between 29.3°C (84.7°F) and 21.2°C (70.2°F). February is the coldest month, exhibiting average temperatures of 29.3°C (84.7°F) at the peak and 21.2°C (70.2°F) at the base. February's mean heat index is appraised at a very hot 38°C (100.4°F). Weather in February »Weather in March
March, the first month of the spring in Saï, is a hot month, with an average temperature varying between 30.1°C (86.2°F) and 21°C (69.8°F). The average high-temperature in March, at a tropical 30.1°C (86.2°F), reveals a modest deviation from February's 29.3°C (84.7°F). Weather in March »Weather in April
April, the same as March, is another warm spring month in Saï, French Guiana, with an average temperature fluctuating between 29.8°C (85.6°F) and 21.5°C (70.7°F). The shift into April uncovers an average high-temperature of a warm 29.8°C (85.6°F), subtly different from the previous month. Weather in April »Weather in May
The last month of the spring, May, is also a moderately hot month in Saï, French Guiana, with temperature in the range of an average high of 29.8°C (85.6°F) and an average low of 21.9°C (71.4°F). As May unfolds, the average high-temperature reaches a still warm 29.8°C (85.6°F), showing no fluctuation from the previous month. Weather in May »Weather in June
The first month of the summer, June, is a tropical month in Saï, French Guiana, with an average temperature fluctuating between 21.1°C (70°F) and 30.3°C (86.5°F). The initiation of June sees an average high-temperature of a hot 30.3°C (86.5°F), showing minor variations from the previous month. Weather in June »Weather in July
July, like June, is a hot summer month in Saï, French Guiana, with temperature in the range of an average high of 31.1°C (88°F) and an average low of 20.8°C (69.4°F). The average high-temperature during July registers at a still tropical 31.1°C (88°F), maintaining a close resemblance to the previous month. Weather in July »Weather in August
August, the last month of the summer in Saï, is also a hot month, with temperature in the range of an average low of 20.5°C (68.9°F) and an average high of 32.8°C (91°F). The high-temperature average in August for Saï is a still tropical 32.8°C (91°F), staying closely aligned with July's conditions. Weather in August »Weather in September
September, the first month of the autumn in Saï, is also a hot month, with an average temperature varying between 34.1°C (93.4°F) and 20.5°C (68.9°F). The arrival of September brings an average high-temperature of a still tropical 34.1°C (93.4°F), nearly identical to August's 32.8°C (91°F). Weather in September »Weather in October
October, like September, is another tropical autumn month in Saï, French Guiana, with an average temperature ranging between max 34.9°C (94.8°F) and min 20.8°C (69.4°F). October is the month that records the highest temperatures, with averages ranging from a high of 34.9°C (94.8°F) to a low of 20.8°C (69.4°F). Throughout October, the heat index is appraised at a blazing hot 51°C (123.8°F). Weather in October »Weather in November
The last month of the autumn, November, is another tropical month in Saï, French Guiana, with temperature in the range of an average low of 21°C (69.8°F) and an average high of 34°C (93.2°F). Saï's weather in November indicates an average high-temperature of a still tropical 34°C (93.2°F), nearly consistent with the 34.9°C (94.8°F) of October. Weather in November »Weather in December
December, the first month of the winter in Saï, is also a hot month, with an average temperature fluctuating between 30.8°C (87.4°F) and 20.9°C (69.6°F). December ushers in a minor alteration in Saï's climate, with the average high-temperature moving from November's 34°C (93.2°F) to a still tropical 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
In Saï, French Guiana, during the entire year, the rain falls for 265.5 days and collects up to 1078mm (42.44") of precipitation.
January, March and December, with an average maximum UV index of 5, are months with the lowest UV index.
With its average high temperature of 29.3°C (84.7°F) and a low of 21.2°C (70.2°F), February is regarded as the coldest month.
February has the least sunshine of the year, with an average of 4h of sunshine.
The most humid month is May, with an average relative humidity of 90%.
The month with the most rainfall is May, when the rain falls for 25.9 days and typically aggregates up to 192mm (7.56") of precipitation.
June has the longest days of the year, 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 Saï.
September and October, with an average of 8.8h of sunshine, are months with the most sunshine.
In Saï, October is the warmest month, with temperatures averaging a high of 34.9°C (94.8°F) and a low of 20.8°C (69.4°F).
October is the least humid month in Saï, with an average relative humidity of 72%.
October is the month with the least rainfall in Saï, French Guiana. Rain falls for 10.4 days and accumulates 21mm (0.83") of precipitation.
The month with the shortest days in Saï, French Guiana, is December, with an average of 11h and 54min of daylight.
Saï, French Guiana, does not observe Daylight Saving Time (DST). -03 timezone is used over the entire year.
Average temperature
Saï, 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
Saï, 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
Saï, 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
Saï, French Guiana
The month with the highest relative humidity is May (90%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Saï, 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
Saï, 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
Saï, 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:
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
Saï, 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
Saï, 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
Saï, 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
Saï, French Guiana
The month with the highest visibility is October (8km).
The month with the lowest visibility is May (5km).
