May weather forecast
Malmanoury, French Guiana

May

Weather in May

The last month of the spring, May, is also a moderately hot month in Malmanoury, French Guiana, with an average temperature varying between 28.5°C (83.3°F) and 24.9°C (76.8°F).

Temperature

Malmanoury experiences a minor change to a still warm 28.5°C (83.3°F) in average high-temperature during May, closely reflecting April. With a barely noticeable fluctuation in temperature, Malmanoury reaches an average low of 24.9°C (76.8°F) during the May nights.

Heat index

May's mean heat index is calculated to be a tropical 34°C (93.2°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Consider that heat index readings are for situations in the shade and light wind. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

The months with the highest humidity in Malmanoury are February and May, with an average relative humidity of 84%.

Rainfall

May is the month with the most rainfall. Rain falls for 29.6 days and accumulates 279mm (10.98") of precipitation.

Daylight

The average length of the day in May in Malmanoury, French Guiana, is 12h and 22min.
On the first day of the month, sunrise is at 06:19 and sunset at 18:37. On the last day of May, sunrise is at 06:16 and sunset at 18:41 -03.

Sunshine

The average sunshine in May is 6.9h.

UV index

January through June and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A typical high UV index of 6 in May suggests the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

How hot is it in Malmanoury in May?
The high-temperature, in May, in Malmanoury, is 28.5°C (83.3°F), while the low-temperature averages to 24.9°C (76.8°F). In May, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 34°C (93.2°F).
What is the most humid month in Malmanoury?
February and May, with an average relative humidity of 84%, are most humid months in Malmanoury, French Guiana.
What is the average humidity in May in Malmanoury?
In Malmanoury, the average relative humidity in May is 84%.
What is the rainiest month in Malmanoury?
The month with the most rainfall is May, when the rain falls for 29.6 days and typically aggregates up to 279mm (10.98") of precipitation.
How many days does it rain in May in Malmanoury?
In Malmanoury, French Guiana, in May, during 29.6 rainfall days, 279mm (10.98") of precipitation is typically accumulated.
How many hours of daylight does Malmanoury have in May?
In May, the average day length in Malmanoury, French Guiana, is 12h and 22min.
When is the sunrise / sunset in May in Malmanoury?
In May, on the first day of the month, sunrise is at 06:19 and sunset at 18:37. On the last day of the month, sunrise is at 06:16 and sunset at 18:41 -03.
How many hours of sunshine does Malmanoury have in May?
In Malmanoury, French Guiana, the average sunshine duration in May is 6.9h.
What are the months with the lowest UV index in Malmanoury?
January through June and December, with an average maximum UV index of 6, are months with the lowest UV index in Malmanoury, French Guiana.
What is the UV index reading in May in Malmanoury?
In Malmanoury, French Guiana, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May
Malmanoury, French Guiana
  • Average high temperature in May: 28.5°C

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).

  • Average low temperature in May: 24.9°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 in May
Malmanoury, French Guiana
  • Average pressure in May: 1012.3mbar

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 in May
Malmanoury, French Guiana
  • Average wind speed in May: 12.8km/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 in May
Malmanoury, French Guiana
  • Average humidity in May: 84%

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 in May
Malmanoury, French Guiana
  • Average rainfall in May: 279mm

The wettest month (with the highest rainfall) is May (279mm).
The driest month (with the least rainfall) is September (29mm).

Average rainfall days in May
Malmanoury, French Guiana
  • Average rainfall days in May: 29.6 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 in May /
Average sunshine in May
Malmanoury, French Guiana
  • Average daylight in May: 12h and 2min

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 May: 6h and 5min

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 in May
Malmanoury, French Guiana
  • Average sunshine days in May: 0.6 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 in May
Malmanoury, French Guiana
  • Average UV index in May: 6

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 in May
Malmanoury, French Guiana
  • Average cloud cover in May: 52

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 in May
Malmanoury, French Guiana
  • Average visibility in May: 9km

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).

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