May weather forecast
Corossony, French Guiana

May

Weather in May

May, the last month of the spring in Corossony, is another warm month, with an average temperature fluctuating between 24.9°C (76.8°F) and 28.5°C (83.3°F).

Temperature

The dawn of May sees an average high-temperature of a still warm 28.5°C (83.3°F), subtly contrasting with April's 28.3°C (82.9°F). Corossony's nights throughout May are marked by an average low temperature of 24.9°C (76.8°F), a minor drop from the day's high.

Heat index

The heat index value for May is calculated to be a hot 34°C (93.2°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. 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.

Rainfall

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

Daylight

The average length of the day in May is 12h and 22min.
On the first day of May, sunrise is at 06:19 and sunset at 18:38. On the last day of the month, sunrise is at 06:17 and sunset at 18:42 -03.

Sunshine

The average sunshine in May in Corossony is 6.9h.

UV index

The months with the lowest UV index in Corossony are January through June and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

How hot does it get in Corossony in May?
In May, in Corossony, the average high-temperature is 28.5°C (83.3°F), and the average low-temperature is 24.9°C (76.8°F). In May, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 34°C (93.2°F).
What is the most humid month in Corossony?
February and May, with an average relative humidity of 84%, are most humid months in Corossony.
What is the average humidity in May in Corossony?
In May, the average relative humidity in Corossony, French Guiana, is 84%.
What is the wettest month in Corossony?
May is the month with the most rainfall in Corossony. Rain falls for 29.6 days and accumulates 279mm (10.98") of precipitation.
How much does it rain in Corossony in May?
In May, in Corossony, French Guiana, the rain falls for 29.6 days. Throughout May, 279mm (10.98") of precipitation is accumulated.
What is the average length of the day in May in Corossony?
In Corossony, the average day length in May is 12h and 22min.
What time are sunrise and sunset in May in Corossony?
In May, on the first day of the month, sunrise is at 06:19 and sunset at 18:38. On the last day of the month, in Corossony, sunrise is at 06:17 and sunset at 18:42 -03.
How long on average sun shines in May in Corossony?
In Corossony, the average sunshine duration in May is 6.9h.
When is the lowest UV index in Corossony?
January through June and December, with an average maximum UV index of 6, are months with the lowest UV index.
What is the UV index intensity in May in Corossony?
The average daily maximum UV index in May in Corossony is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to 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
Corossony, 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
Corossony, 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
Corossony, 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
Corossony, 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
Corossony, 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
Corossony, 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
Corossony, 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
Corossony, 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
Corossony, 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
Corossony, 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
Corossony, 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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