Climate and monthly weather forecastNationale, French Guiana
Climate and monthly weather forecast
Weather in January
January, like December, in Nationale, French Guiana, is a moderately hot winter month, with temperature in the range of an average low of 24°C (75.2°F) and an average high of 28°C (82.4°F). January commences with an average high-temperature of a still warm 28°C (82.4°F), showing little deviation from December's 28.8°C (83.8°F). Weather in January »Weather in February
The last month of the winter, February, is another warm month in Nationale, French Guiana, with an average temperature fluctuating between 27.7°C (81.9°F) and 23.9°C (75°F). February is the month that records the lowest temperatures, with averages ranging from a high of 27.7°C (81.9°F) to a low of 23.9°C (75°F). For most parts of February, the heat index is appraised at a hot 32°C (89.6°F). Weather in February »Weather in March
The first month of the spring, March, is also a moderately hot month in Nationale, French Guiana, with an average temperature fluctuating between 28.3°C (82.9°F) and 24.2°C (75.6°F). The onset of March manifests an average high-temperature of a still warm 28.3°C (82.9°F), demonstrating a minor variation from the preceding month. Weather in March »Weather in April
April, the same as March, is a moderately hot spring month in Nationale, French Guiana, with temperature in the range of an average low of 24.7°C (76.5°F) and an average high of 28.5°C (83.3°F). April's arrival registers an average high-temperature of a still warm 28.5°C (83.3°F), closely aligning with the temperature of the previous month. Weather in April »Weather in May
May, the last month of the spring in Nationale, is also a moderately hot month, with an average temperature varying between 28.6°C (83.5°F) and 24.7°C (76.5°F). With May's arrival, Nationale, French Guiana, notes an average high-temperature of a still warm 28.6°C (83.5°F), closely following the trend of the preceding month. Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Nationale, French Guiana, with an average temperature varying between 23.8°C (74.8°F) and 28.8°C (83.8°F). The initiation of June records an average high-temperature of a still warm 28.8°C (83.8°F), displaying a near consistency with the previous month. Weather in June »Weather in July
July, like June, in Nationale, French Guiana, is a moderately hot summer month, with an average temperature fluctuating between 23.8°C (74.8°F) and 29.8°C (85.6°F). Nationale greets July with an average high-temperature of a still warm 29.8°C (85.6°F), marking a slight deviation from the preceding month. Weather in July »Weather in August
August, the last month of the summer in Nationale, is a tropical month, with temperature in the range of an average high of 30.9°C (87.6°F) and an average low of 23.9°C (75°F). In August, Nationale's weather conditions record an average high-temperature of a tropical 30.9°C (87.6°F), demonstrating little divergence from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Nationale, is still a tropical month, with temperature in the range of an average high of 31.5°C (88.7°F) and an average low of 24.5°C (76.1°F). Nationale's shift into September sets the average high-temperature at a still tropical 31.5°C (88.7°F), a figure that deviates only slightly from August's 30.9°C (87.6°F). Weather in September »Weather in October
October, the same as September, in Nationale, French Guiana, is another hot autumn month, with an average temperature ranging between max 31.6°C (88.9°F) and min 24.8°C (76.6°F). October, with an average high of 31.6°C (88.9°F) and a low of 24.8°C (76.6°F), signifies the warmest month of the year. Throughout October, the heat index is appraised at a blisteringly hot 41°C (105.8°F). Weather in October »Weather in November
November, the last month of the autumn in Nationale, is another tropical month, with temperature in the range of an average low of 24.8°C (76.6°F) and an average high of 30.8°C (87.4°F). As Nationale transitions into November, the average high-temperature stands at a still hot 30.8°C (87.4°F), offering little variation from the preceding month. Weather in November »Weather in December
December, the first month of the winter in Nationale, is still a warm month, with an average temperature ranging between min 24.5°C (76.1°F) and max 28.8°C (83.8°F). In December, the average high-temperature registers at a warm 28.8°C (83.8°F), nearly identical to November's 30.8°C (87.4°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Nationale, French Guiana
The warmest month (with the highest average high temperature) is October (31.6°C).
The month with the lowest average high temperature is February (27.7°C).
The months with the highest average low temperature are October and November (24.8°C).
The coldest months (with the lowest average low temperature) are June and July (23.8°C).
Average pressure
Nationale, French Guiana
- Average pressure in January:
1011.9mbar - Average pressure in February:
1011.7mbar - Average pressure in March:
1011.9mbar - Average pressure in April:
1011.9mbar - Average pressure in May:
1012.3mbar - Average pressure in June:
1013.1mbar
- Average pressure in July:
1013.2mbar - Average pressure in August:
1012.7mbar - Average pressure in September:
1012mbar - 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
Nationale, French Guiana
- Average wind speed in January:
12.2km/h - Average wind speed in February:
12.9km/h - Average wind speed in March:
12.7km/h - Average wind speed in April:
11.7km/h - Average wind speed in May:
10.5km/h - Average wind speed in June:
8.5km/h
- Average wind speed in July:
8.3km/h - Average wind speed in August:
10km/h - Average wind speed in September:
11.1km/h - Average wind speed in October:
11.1km/h - Average wind speed in November:
11.1km/h - Average wind speed in December:
11.7km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is July (8.3km/h).
Average humidity
Nationale, French Guiana
The month with the highest relative humidity is May (86%).
The months with the lowest relative humidity are September and October (76%).
Average rainfall
Nationale, French Guiana
- Average rainfall in January:
154mm - Average rainfall in February:
163mm - Average rainfall in March:
128mm - Average rainfall in April:
208mm - Average rainfall in May:
293mm - Average rainfall in June:
234mm
The wettest month (with the highest rainfall) is May (293mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days
Nationale, French Guiana
- Average rainfall days in January:
28 days - Average rainfall days in February:
26.3 days - Average rainfall days in March:
27.2 days - Average rainfall days in April:
27.2 days - Average rainfall days in May:
28.9 days - Average rainfall days in June:
28.2 days
- Average rainfall days in July:
26.6 days - Average rainfall days in August:
19.2 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
16.4 days - Average rainfall days in December:
25.2 days
The month with the highest number of rainy days is May (28.9 days).
The month with the least rainy days is October (11.6 days).
Average daylight / Average sunshine
Nationale, 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 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:
6h and 48min - Average sunshine in February:
5h and 36min - Average sunshine in March:
6h and 0min - Average sunshine in April:
6h and 12min - Average sunshine in May:
6h and 54min - Average sunshine in June:
7h and 30min
- Average sunshine in July:
8h and 18min - Average sunshine in August:
8h and 48min - Average sunshine in September:
9h and 12min - Average sunshine in October:
9h and 6min - Average sunshine in November:
8h and 42min - Average sunshine in December:
7h and 18min
The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days
Nationale, French Guiana
- Average sunshine days in January:
1.8 days - Average sunshine days in February:
1.3 days - Average sunshine days in March:
2.3 days - Average sunshine days in April:
1.5 days - Average sunshine days in May:
1.1 days - Average sunshine days in June:
0.9 days
- Average sunshine days in July:
2.3 days - Average sunshine days in August:
6.8 days - Average sunshine days in September:
13.6 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
11.2 days - Average sunshine days in December:
4.1 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (0.9 days).
Average UV index
Nationale, French Guiana
The months with the highest UV index are June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May and December (UV index 6).
Average cloud cover
Nationale, French Guiana
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 25).
Average visibility
Nationale, French Guiana
The months with the highest visibility are January, February, March, August, September, October and November (10km).
The months with the lowest visibility are April, May, June, July and December (9km).





