Climate and monthly weather forecastMario, French Guiana

Climate and monthly weather forecast

Weather in January

January, the same as December, is another warm winter month in Mario, French Guiana, 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

February, the last month of the winter in Mario, is also a moderately hot month, with an average temperature varying between 27.9°C (82.2°F) and 22.3°C (72.1°F). Mario reaches its lowest average temperatures in February, measuring 27.9°C (82.2°F) at the peak and 22.3°C (72.1°F) at the lowest. February's average heat index is estimated at a hot 33°C (91.4°F). Weather in February »

Weather in March

The first month of the spring, March, is also a moderately hot month in Mario, French Guiana, with an average temperature varying between 28.8°C (83.8°F) and 22.2°C (72°F). In the transition from February to March, Mario reports an average high-temperature of a still warm 28.8°C (83.8°F), indicating a close resemblance to the prior month. Weather in March »

Weather in April

April, the same as March, is another warm spring month in Mario, French Guiana, with an average temperature ranging between max 28.8°C (83.8°F) and min 22.4°C (72.3°F). Mario ushers in April with an average high temperature of a still moderately hot 28.8°C (83.8°F), nearly identical to March's temperature. Weather in April »

Weather in May

The last month of the spring, May, is also a moderately hot month in Mario, French Guiana, with temperature in the range of an average low of 22.3°C (72.1°F) and an average high of 28.8°C (83.8°F). May's arrival presents an average high temperature of a still warm 28.8°C (83.8°F), indicating consistency with April's weather. Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Mario, French Guiana, with an average temperature varying between 21.8°C (71.2°F) and 29.3°C (84.7°F). Mario observes an average high-temperature of a still moderately hot 29.3°C (84.7°F) in June, barely different from 28.8°C (83.8°F) in May. Weather in June »

Weather in July

July in Mario, French Guiana, is a hot summer month, with an average temperature fluctuating between 30.3°C (86.5°F) and 21.3°C (70.3°F). Mario's shift into July is marked by a subtle change to a tropical 30.3°C (86.5°F) from June's 29.3°C (84.7°F) in temperature. Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Mario, 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). The transition into August shows a subtle variation to a still tropical 32.3°C (90.1°F) from July's 30.3°C (86.5°F) in the average high-temperature. Weather in August »

Weather in September

The first month of the autumn, September, is still a hot month in Mario, French Guiana, with an average temperature ranging between max 33.7°C (92.7°F) and min 21.8°C (71.2°F). The shift from August to September is characterized by an average high-temperature of a still hot 33.7°C (92.7°F), not significantly different from the 32.3°C (90.1°F) of August. Weather in September »

Weather in October

October, the same as September, in Mario, French Guiana, is another hot autumn month, with an average temperature fluctuating between 22.2°C (72°F) and 34.3°C (93.7°F). With average high and low temperatures of 34.3°C (93.7°F) and 22.2°C (72°F) respectively, October is Mario's warmest month. The average heat index in October is estimated at a blazing hot 51°C (123.8°F). Weather in October »

Weather in November

November, the last month of the autumn in Mario, is also a hot month, with an average temperature fluctuating between 33°C (91.4°F) and 22.2°C (72°F). The arrival of November brings an average high-temperature of a still tropical 33°C (91.4°F), closely following the temperature pattern of October. Weather in November »

Weather in December

The first month of the winter, December, is also a moderately hot month in Mario, French Guiana, with an average temperature fluctuating between 29.8°C (85.6°F) and 22°C (71.6°F). A mild shift in the average high-temperature occurs in December, reducing from a tropical 33°C (91.4°F) in November to a warm 29.8°C (85.6°F). Weather in December »

Frequently asked questions

In Mario, during the entire year, the rain falls for 270.6 days and collects up to 1131mm (44.53") of precipitation.

January through July, November and December, with an average maximum UV index of 6, are months with the lowest UV index.

Mario reaches its average lowest temperatures in February, measuring 27.9°C (82.2°F) at the peak and 22.3°C (72.1°F) at the lowest.

With an average of 4h of sunshine, February has the least sunshine of the year.

The most humid month is May, with an average relative humidity of 91%.

May is the month with the most rainfall. Rain falls for 28.9 days and accumulates 195mm (7.68") of precipitation.

June has the longest days of the year, with an average of 12h and 18min of daylight.

August through October, with an average maximum UV index of 7, are months with the highest UV index.

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 21mm (0.83") of precipitation.

With an average of 8.8h of sunshine, September has the most sunshine of the year in Mario, French Guiana.

October tends to be the warmest month, with temperatures averaging a daily high of 34.3°C (93.7°F) and a low of 22.2°C (72°F).

October is the least humid month, with an average relative humidity of 75%.

December has the shortest days of the year in Mario, with an average of 11h and 54min of daylight.

Mario does not observe Daylight Saving Time (DST). -03 timezone is used over the entire year.

Average temperature
Mario, 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
Mario, French Guiana

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
Mario, French Guiana

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
Mario, French Guiana

The month with the highest relative humidity is May (91%).
The month with the lowest relative humidity is October (75%).

Average rainfall
Mario, French Guiana

The wettest month (with the highest rainfall) is May (195mm).
The driest month (with the least rainfall) is September (21mm).

Average rainfall days
Mario, French Guiana

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
Mario, French Guiana

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).

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
Mario, French Guiana

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
Mario, 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
Mario, 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
Mario, 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).