Climate and monthly weather forecastIsnard et Priane, French Guiana
Climate and monthly weather forecast
Weather in January
January, like December, in Isnard et Priane, French Guiana, is a moderately hot winter month, with an average temperature ranging between max 27.8°C (82°F) and min 24.2°C (75.6°F). Isnard et Priane experiences an average high-temperature of a still moderately hot 27.8°C (82°F) in January, marking an insignificant shift from 28.6°C (83.5°F) in December. Weather in January »Weather in February
February, the last month of the winter in Isnard et Priane, is another warm month, with an average temperature varying between 24.3°C (75.7°F) and 27.5°C (81.5°F). Temperature records mark February as the coldest month, with highs averaging 27.5°C (81.5°F) and lows at 24.3°C (75.7°F). The heat index value for February is calculated to be a hot 31°C (87.8°F). Weather in February »Weather in March
March, the first month of the spring in Isnard et Priane, is also a moderately hot month, with an average temperature ranging between max 28°C (82.4°F) and min 24.7°C (76.5°F). The arrival of March brings an average high-temperature of a still moderately hot 28°C (82.4°F), subtly diverging from February's 27.5°C (81.5°F). Weather in March »Weather in April
April, the same as March, is another warm spring month in Isnard et Priane, French Guiana, with an average temperature fluctuating between 28.3°C (82.9°F) and 24.8°C (76.6°F). In the transition from March to April, Isnard et Priane reports an average high-temperature of a still moderately hot 28.3°C (82.9°F), indicating a close resemblance to the prior month. Weather in April »Weather in May
The last month of the spring, May, is another warm month in Isnard et Priane, French Guiana, with an average temperature varying between 24.9°C (76.8°F) and 28.5°C (83.3°F). In May, Isnard et Priane experiences a minor shift in meteorological conditions with average high-temperatures marked at a still warm 28.5°C (83.3°F), closely mirroring the climate in April. Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Isnard et Priane, French Guiana, with an average temperature varying between 24.5°C (76.1°F) and 28.8°C (83.8°F). The average high-temperature is a still moderately hot 28.8°C (83.8°F) in June, hardly different from the 28.5°C (83.3°F) recorded in May. Weather in June »Weather in July
July, like June, in Isnard et Priane, French Guiana, is another warm summer month, with an average temperature varying between 29.5°C (85.1°F) and 24.3°C (75.7°F). With the arrival of July, Isnard et Priane's average high-temperature registers at a still warm 29.5°C (85.1°F), indicating a subtle variation from the previous month. Weather in July »Weather in August
August, the last month of the summer in Isnard et Priane, is a hot month, with an average temperature ranging between min 24.5°C (76.1°F) and max 30.4°C (86.7°F). The transition into August reveals an average high-temperature of a hot 30.4°C (86.7°F), mirroring a close resemblance to July. Weather in August »Weather in September
The first month of the autumn, September, is still a tropical month in Isnard et Priane, French Guiana, with an average temperature varying between 24.8°C (76.6°F) and 30.9°C (87.6°F). Isnard et Priane sees its peak of temperatures during September and October, with an average high-temperature of 30.9°C (87.6°F). For most parts of September, the heat index is calculated to be an extremely hot 40°C (104°F). Weather in September »Weather in October
October, like September, is another hot autumn month in Isnard et Priane, French Guiana, with an average temperature ranging between min 25°C (77°F) and max 30.9°C (87.6°F). September and October, with an average high-temperature of 30.9°C (87.6°F), are the warmest months. October's average heat index is calculated to be a blistering 40°C (104°F). Weather in October »Weather in November
The last month of the autumn, November, is another tropical month in Isnard et Priane, French Guiana, with an average temperature ranging between max 30.4°C (86.7°F) and min 25.1°C (77.2°F). Isnard et Priane experiences an average high-temperature of a still hot 30.4°C (86.7°F) in November, subtly different from October's 30.9°C (87.6°F). Weather in November »Weather in December
December, the first month of the winter in Isnard et Priane, is still a warm month, with an average temperature varying between 24.7°C (76.5°F) and 28.6°C (83.5°F). December's arrival brings an average high-temperature of a moderately hot 28.6°C (83.5°F), slightly deviating from November's 30.4°C (86.7°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, there are 288 rainfall days, and 1773mm (69.8") of precipitation is accumulated.
The months with the lowest UV index in Isnard et Priane are January through June and December, with an average maximum UV index of 6.
February is the coldest month in Isnard et Priane, exhibiting average temperatures of 27.5°C (81.5°F) at the peak and 24.3°C (75.7°F) at the base.
February and May, with an average relative humidity of 84%, are most humid months in Isnard et Priane, French Guiana.
The month with the least sunshine in Isnard et Priane is February, with an average of 5.8h of sunshine.
The month with the most rainfall in Isnard et Priane 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 Isnard et Priane, French Guiana, 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 Isnard et Priane, French Guiana.
Isnard et Priane experiences the peak of its temperatures in September and October, when the average high-temperatures rise to 30.9°C (87.6°F).
September and October, with an average relative humidity of 77%, are the least humid months in Isnard et Priane.
September is the month with the least rainfall in Isnard et Priane, French Guiana. Rain falls for 14.3 days and accumulates 29mm (1.14") of precipitation.
September has the most sunshine of the year in Isnard et Priane, French Guiana, with an average of 9.3h of sunshine.
December has the shortest days of the year, with an average of 11h and 48min of daylight.
Isnard et Priane, French Guiana, does not observe Daylight Saving Time (DST). -03 timezone is used throughout the entire year.
Average temperature
Isnard et Priane, 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
Isnard et Priane, 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
Isnard et Priane, 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
Isnard et Priane, 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
Isnard et Priane, 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
Isnard et Priane, 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
Isnard et Priane, 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 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
Isnard et Priane, 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
Isnard et Priane, 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
Isnard et Priane, 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
Isnard et Priane, 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).
