Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
La Grève, moving into May, logs an average high-temperature of a still moderately hot 29.8°C (85.6°F), mirroring the temperature of the previous month. During May, the nighttime temperature in La Grève averages of 21.9°C (71.4°F).Heat index
In May, the heat index is appraised at an extremely hot 40°C (104°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
The most humid month in La Grève is May, with an average relative humidity of 90%.Rainfall
The month with the most rainfall in La Grève is May, when the rain falls for 25.9 days and typically aggregates up to 192mm (7.56") of precipitation.Daylight
In May, the average length of the day is 12h and 18min.On the first day of the month, sunrise is at 06:23 and sunset at 18:39. On the last day of May, sunrise is at 06:22 and sunset at 18:42 -03.
Sunshine
The average sunshine in May in La Grève is 5.1h.UV index
The average daily maximum UV index in May in La Grève, French Guiana, is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 6 translates into these guidelines:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. 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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in La Grève in May?
What is the most humid month in La Grève?
What is the average humidity in May in La Grève?
What is the wettest month in La Grève?
How many days does it rain in May in La Grève?
What is the average length of the day in May in La Grève?
What time are sunrise and sunset in May in La Grève?
How long on average sun shines in May in La Grève?
What is the UV index reading in May in La Grève?
Average temperature in May
La Grève, French Guiana
- Average high temperature in May: 29.8°C
The warmest month (with the highest average high temperature) is October (34.9°C).
The month with the lowest average high temperature is February (29.3°C).
- Average low temperature in May: 21.9°C
The month with the highest average low temperature is May (21.9°C).
The coldest months (with the lowest average low temperature) are August and September (20.5°C).
Average pressure in May
La Grève, French Guiana
- Average pressure in May: 1012.2mbar
The months with the highest atmospheric pressure are June and July (1013mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed in May
La Grève, French Guiana
- Average wind speed in May: 4.5km/h
The windiest months (with the highest average wind speed) are February, March and November (5.3km/h).
The calmest month (with the lowest average wind speed) is July (4.2km/h).
Average humidity in May
La Grève, French Guiana
- Average humidity in May: 90%
The month with the highest relative humidity is May (90%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
La Grève, French Guiana
- Average rainfall in May: 192mm
The wettest month (with the highest rainfall) is May (192mm).
The driest month (with the least rainfall) is October (21mm).
Average rainfall days in May
La Grève, French Guiana
- Average rainfall days in May: 25.9 days
The months with the highest number of rainy days are January and March (26.8 days).
The month with the least rainy days is October (10.4 days).
Average daylight in May /
Average sunshine in May
La Grève, French Guiana
- Average daylight in May: 12h and 2min
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).
- Average sunshine in May: 5h and 1min
The months with the most sunshine are September and October (Average sunshine: 8h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in May
La Grève, French Guiana
- Average sunshine days in May: 3.4 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is February (1.8 days).
Average UV index in May
La Grève, French Guiana
- Average UV index in May: 6
The months with the highest UV index are August, September, October and November (UV index 7).
The months with the lowest UV index are January, March and December (UV index 5).
Average cloud cover in May
La Grève, French Guiana
- Average cloud cover in May: 77
The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is October (Cloud cover 44).
Average visibility in May
La Grève, French Guiana
- Average visibility in May: 5km
The month with the highest visibility is October (8km).
The month with the lowest visibility is May (5km).
