Monthly weather forecast and climate
Mana, French Guiana

Weather in January

January, like December, in Mana, French Guiana, is another warm winter month, with temperature in the range of an average low of 22.4°C (72.3°F) and an average high of 29.4°C (84.9°F). In Mana, the average high-temperature is almost the same as in December - a moderately hot 29.4°C (84.9°F). Weather in January »

Weather in February

February, the last month of the winter, in Mana, is also a moderately hot month, with temperature in the range of an average high of 29.1°C (84.4°F) and an average low of 22.6°C (72.7°F). The coldest month is February, with an average high-temperature of 29.1°C (84.4°F) and an average low-temperature of 22.6°C (72.7°F). The average heat index is calculated to a very hot 35.7°C (96.3°F). Weather in February »

Weather in March

March, the first month of the spring, in Mana, is still a warm month, with average temperature ranging between min 22.8°C (73°F) and max 29.5°C (85.1°F). In March, the average high-temperature is relatively the same as in February - a still warm 29.5°C (85.1°F). Weather in March »

Weather in April

April, like March, in Mana, French Guiana, is a moderately hot spring month, with average temperature varying between 23.1°C (73.6°F) and 29.7°C (85.5°F). In April, the average high-temperature is practically the same as in March - a still moderately hot 29.7°C (85.5°F). Weather in April »

Weather in May

May, the last month of the spring, in Mana, is another warm month, with average temperature varying between 23.3°C (73.9°F) and 29.5°C (85.1°F). In Mana, the average high-temperature in May is practically the same as in April - a still moderately hot 29.5°C (85.1°F). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Mana, French Guiana, with average temperature fluctuating between 29.5°C (85.1°F) and 22.8°C (73°F). In June, the average high-temperature remains the same as in May - a still moderately hot 29.5°C (85.1°F). Weather in June »

Weather in July

July in Mana, French Guiana, is a tropical summer month, with average temperature varying between 30.6°C (87.1°F) and 22.2°C (72°F). In Mana, the average high-temperature in July is essentially the same as in June - a tropical 30.6°C (87.1°F). Weather in July »

Weather in August

August, the last month of the summer, in Mana, is another tropical month, with average temperature varying between 32°C (89.6°F) and 22.3°C (72.1°F). In Mana, the average high-temperature is practically the same as in July - a still hot 32°C (89.6°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in Mana, French Guiana, with average temperature ranging between max 32.7°C (90.9°F) and min 22.5°C (72.5°F). In Mana, the average high-temperature is almost the same as in August - a still hot 32.7°C (90.9°F). Weather in September »

Weather in October

October, the same as September, in Mana, French Guiana, is another tropical autumn month, with average temperature varying between 22.8°C (73°F) and 33.1°C (91.6°F). October is the warmest month, with an average high-temperature of 33.1°C (91.6°F) and an average low-temperature of 22.8°C (73°F). In October, the average heat index is appraised at a burning hot 47°C (116.6°F). Weather in October »

Weather in November

The last month of the autumn, November, is another tropical month in Mana, French Guiana, with average temperature ranging between max 32.4°C (90.3°F) and min 23°C (73.4°F). In Mana, the average high-temperature is essentially the same as in October - a still hot 32.4°C (90.3°F). Weather in November »

Weather in December

The first month of the winter, December, is still a hot month in Mana, French Guiana, with average temperature varying between 30.2°C (86.4°F) and 22.7°C (72.9°F). In Mana, French Guiana, the average high-temperature is almost the same as in November - a still hot 30.2°C (86.4°F). Weather in December »
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FAQ

How many days does it rain in Mana?

Throughout the year, there are 253 rainfall days, and 878mm (34.57") of precipitation is accumulated.

What is the month with the shortest days in Mana?

Months with the shortest days are January and December, with an average of 11.8h of daylight.

When is the lowest UV index in Mana?

January through June and December, with an average maximum UV index of 6, are months with the lowest UV index in Mana.

What is the coldest month in Mana?

The coldest month is February, with an average high-temperature of 29.1°C (84.4°F) and an average low-temperature of 22.6°C (72.7°F).

What is the month with the coldest sea water in Mana?

February is the month with the coldest seawater, with an average sea temperature of 27°C (80.6°F).

What is the month with the least sunshine in Mana?

February has the least sunshine of the year, with an average of 5.1h of sunshine.

What is the wettest month in Mana?

May is the month with the most rainfall. Rain falls for 28 days and accumulates 137mm (5.39") of precipitation.

When are the longest days in Mana?

May through July, with an average of 12.4h of daylight, are months with the longest days.

What is the most humid month in Mana?

With an average relative humidity of 88%, June is the most humid month in Mana, French Guiana.

What are the months with the warmest sea water in Mana?

Months with the warmest seawater in Mana, French Guiana, are July and August, with an average sea temperature of 28.4°C (83.1°F).

What is the month with the highest UV index in Mana?

July through November, with an average maximum UV index of 7, are months with the highest UV index.

What month has the most sunshine in Mana?

The month with the most sunshine in Mana, French Guiana, is September, with an average of 9.1h of sunshine.

What is the warmest month in Mana?

October is the warmest month in Mana, with an average high-temperature of 33.1°C (91.6°F) and an average low-temperature of 22.8°C (73°F).

What is the least humid month in Mana?

With an average relative humidity of 77%, October is the least humid month in Mana, French Guiana.

What is the driest month in Mana?

The month with the least rainfall is October when the rain falls for 11.6 days and typically collects 23mm (0.91") of precipitation.

Average temperature
Mana, French Guiana

Average temperature - Mana, French Guiana

The warmest month (with the highest average high temperature) is October (33.1°C).
The month with the lowest average high temperature is February (29.1°C).

The month with the highest average low temperature is May (23.3°C).
The coldest month (with the lowest average low temperature) is July (22.2°C).

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Average pressure
Mana, French Guiana

Average pressure - Mana, French Guiana

Months with the highest atmospheric pressure are June and July (1012.9mbar).
The month with the lowest atmospheric pressure is November (1009.5mbar).

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Average wind speed
Mana, French Guiana

Average wind speed - Mana, French Guiana

The windiest months (with the highest average wind speed) are February and March (9.5km/h).
The calmest month (with the lowest average wind speed) is July (6.4km/h).

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Average humidity
Mana, French Guiana

Average humidity - Mana, French Guiana

The month with the highest relative humidity is June (88%).
The month with the lowest relative humidity is October (77%).

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Average rainfall
Mana, French Guiana

Average rainfall - Mana, French Guiana

The wettest month (with the highest rainfall) is May (137mm).
The driest month (with the least rainfall) is October (23mm).

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Average rainfall days
Mana, French Guiana

Average rainfall days - Mana, French Guiana

The month with the highest number of rainy days is May (28 days).
The month with the least rainy days is September (11.5 days).

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Average sea temperature
Mana, French Guiana

Average sea temperature - Mana, French Guiana

The best months for swimming (with the highest average sea temperature) are July and August (28.4°C).
The coldest month (with the lowest average sea temperature) is February (27°C).

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Average daylight / Average sunshine
Mana, French Guiana

Average daylight / Average sunshine - Mana, French Guiana

Months with the longest days are May, June and July (Average daylight: 12.4h).
Months with the shortest days are January and December (Average daylight: 11.8h).

The month with the most sunshine is September (Average sunshine: 9.1h).
The month with the least sunshine is February (Average sunshine: 5.1h).

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Average sunshine days
Mana, French Guiana

Average sunshine days - Mana, French Guiana

The month with the most sunshine days is October (16 days).
The month with the least sunshine days is May (1.8 days).

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Average UV index
Mana, French Guiana

Average UV index - Mana, French Guiana

Months with the highest UV index are July, August, September, October and November (UV index 7).
Months with the lowest UV index are January, February, March, April, May, June and December (UV index 6).

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Average visibility
Mana, French Guiana

Average visibility - Mana, French Guiana

Months with the highest visibility are February, March and April (9km).
Months with the lowest visibility are June, July and August (7km).

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