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 sea temperature 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
With the transition into May, Dérac notes an average high-temperature of a still warm 28.6°C (83.5°F), closely resembling April. Dérac notes a steady average temperature of 23.6°C (74.5°F) during the nights of May.Heat index
For May, the heat index is computed to be a hot 33°C (91.4°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
In May, the average relative humidity is 77%.Rainfall
In May, the rain falls for 23.4 days. Throughout May, 82mm (3.23") of precipitation is accumulated. Throughout the year, there are 229.5 rainfall days, and 678mm (26.69") of precipitation is accumulated.Sea temperature
In Dérac, in May, the average water temperature is 27.2°C (81°F).Note: Water temperatures ranging between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, making swimming, diving, and similar water activities pleasurable for extended periods.
Daylight
The average length of the day in May is 13h and 4min.On the first day of the month, sunrise is at 06:17 and sunset at 19:10. On the last day of May, sunrise is at 06:07 and sunset at 19:22 EDT.
Sunshine
In May, the average sunshine is 11.1h.UV index
The months with the highest UV index are April through October, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 7 in May, converts into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Attention! UV radiation is markedly stronger with water and sand reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in May?
What is the average humidity in May?
How many days does it rain in May?
What is the water temperature in May?
How many hours of daylight does Dérac have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May in Dérac?
What are the months with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Dérac, Haiti
- Average high temperature in May: 28.6°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (26.7°C).
- Average low temperature in May: 23.6°C
The month with the highest average low temperature is August (24.7°C).
The coldest month (with the lowest average low temperature) is January (21.3°C).
Average pressure in May
Dérac, Haiti
- Average pressure in May: 1015mbar
The month with the highest atmospheric pressure is January (1016.9mbar).
The month with the lowest atmospheric pressure is October (1012.7mbar).
Average wind speed in May
Dérac, Haiti
- Average wind speed in May: 12.8km/h
The windiest month (with the highest average wind speed) is July (15.8km/h).
The calmest month (with the lowest average wind speed) is October (11km/h).
Average humidity in May
Dérac, Haiti
- Average humidity in May: 77%
The month with the highest relative humidity is November (80%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in May
Dérac, Haiti
- Average rainfall in May: 82mm
The wettest month (with the highest rainfall) is July (84mm).
The driest month (with the least rainfall) is December (24mm).
Average rainfall days in May
Dérac, Haiti
- Average rainfall days in May: 23.4 days
The month with the highest number of rainy days is May (23.4 days).
The month with the least rainy days is February (13.5 days).
Average sea temperature in May
Dérac, Haiti
- Average sea temperature in May: 27.2°C
The best month for swimming (with the highest average sea temperature) is September (29.4°C).
The coldest month (with the lowest average sea temperature) is February (25.9°C).
Average daylight in May /
Average sunshine in May
Dérac, Haiti
- Average daylight in May: 13h and 1min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in May: 11h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The months with the least sunshine are January, February and December (Average sunshine: 7h and 0min).
Average sunshine days in May
Dérac, Haiti
- Average sunshine days in May: 4.9 days
The month with the most sunshine days is January (13.1 days).
The month with the least sunshine days is September (4.2 days).
Average UV index in May
Dérac, Haiti
- Average UV index in May: 7
The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 6).
Average cloud cover in May
Dérac, Haiti
- Average cloud cover in May: 28
The month with the most cloud cover is March (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 20).
Average visibility in May
Dérac, Haiti
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
