May weather forecast
Deux Branches, French Guiana

May

Weather in May

The last month of the spring, May, is another warm month in Deux Branches, French Guiana, with temperature in the range of an average low of 24.9°C (76.8°F) and an average high of 28.5°C (83.3°F).

Temperature

The onset of May manifests an average high-temperature of a still warm 28.5°C (83.3°F), demonstrating a minor variation from the preceding month. Deux Branches's average temperature during the nights of May is recorded at a still moderately hot 24.9°C (76.8°F).

Heat index

The heat index value for May is evaluated at a hot 34°C (93.2°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

February and May, with an average relative humidity of 84%, are the most humid months in Deux Branches.

Rainfall

The month with the most rainfall in Deux Branches is May, when the rain falls for 29.6 days and typically aggregates up to 279mm (10.98") of precipitation.

Daylight

In May, the average length of the day is 12h and 22min.
On the first day of the month, sunrise is at 06:20 and sunset at 18:39. On the last day of May, sunrise is at 06:18 and sunset at 18:42 -03.

Sunshine

In May, the average sunshine in Deux Branches is 6.9h.

UV index

The months with the lowest UV index in Deux Branches are January through June and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 6 in May translates into these instructions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

How hot is it in Deux Branches in May?
During May, Deux Branches experiences an average high-temperature of 28.5°C (83.3°F) and a low-temperature of 24.9°C (76.8°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in May is evaluated at 34°C (93.2°F).
What are the most humid months in Deux Branches?
February and May, with an average relative humidity of 84%, are most humid months.
What is the average humidity in May in Deux Branches?
In May, the average relative humidity in Deux Branches, French Guiana, is 84%.
What is the wettest month in Deux Branches?
May is the month with the most rainfall. Rain falls for 29.6 days and accumulates 279mm (10.98") of precipitation.
How much does it rain in Deux Branches in May?
In Deux Branches, French Guiana, during May, the rain falls for 29.6 days and regularly aggregates up to 279mm (10.98") of precipitation.
What is the average length of the day in May in Deux Branches?
In May, the average day length in Deux Branches, French Guiana, is 12h and 22min.
When is the sunrise / sunset in May in Deux Branches?
In May, on the first day of the month, sunrise is at 06:20 and sunset at 18:39. On the last day of the month, in Deux Branches, sunrise is at 06:18 and sunset at 18:42 -03.
How many hours of sunshine does Deux Branches have in May?
The average sunshine duration in May is 6.9h.
What is the month with the lowest UV index in Deux Branches?
The months with the lowest UV index in Deux Branches are January through June and December, with an average maximum UV index of 6.
How high is the UV index in May in Deux Branches?
In May, the average daily maximum UV index in Deux Branches, French Guiana, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
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 - Deux Branches, French Guiana
Average temperature in May
Deux Branches, 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 - Deux Branches, French Guiana
Average pressure in May
Deux Branches, 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 - Deux Branches, French Guiana
Average wind speed in May
Deux Branches, 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 - Deux Branches, French Guiana
Average humidity in May
Deux Branches, 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 - Deux Branches, French Guiana
Average rainfall in May
Deux Branches, 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 - Deux Branches, French Guiana
Average rainfall days in May
Deux Branches, 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 - Deux Branches, French Guiana
Average daylight in May /
Average sunshine in May
Deux Branches, 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 - Deux Branches, French Guiana
Average sunshine days in May
Deux Branches, 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 - Deux Branches, French Guiana
Average UV index in May
Deux Branches, 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 - Deux Branches, French Guiana
Average cloud cover in May
Deux Branches, 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 - Deux Branches, French Guiana
Average visibility in May
Deux Branches, 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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