May weather forecastGanthier, Haiti
May
Weather in May
The last month of the spring, May, is another warm month in Ganthier, Haiti, with an average temperature ranging between min 20.6°C (69.1°F) and max 29.1°C (84.4°F).Temperature
The arrival of May records an average high-temperature of a still moderately hot 29.1°C (84.4°F), closely related to the 28.9°C (84°F) observed in April. Throughout May, the temperature tends to fall to a consistent average low of 20.6°C (69.1°F).Heat index
The heat index value during May is appraised at a tropical 34°C (93.2°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. 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 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
In May, the average relative humidity in Ganthier is 75%.Rainfall
May is the month with the most rainfall. Rain falls for 24.3 days and accumulates 141mm (5.55") of precipitation.Daylight
The average length of the day in May in Ganthier is 13h and 1min.On the first day of May, sunrise is at 06:20 and sunset at 19:10. On the last day of the month, sunrise is at 06:10 and sunset at 19:21 EDT.
Sunshine
The average sunshine in May is 10.6h.UV index
The months with the lowest UV index in Ganthier, Haiti, are January through May, July through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. 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. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ganthier, Haiti
- Average high temperature in May: 29.1°C
The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (27.6°C).
- Average low temperature in May: 20.6°C
The months with the highest average low temperature are August and September (21.3°C).
The coldest month (with the lowest average low temperature) is January (18.2°C).
Average pressure in May
Ganthier, Haiti
- Average pressure in May: 1014.6mbar
The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is October (1012.5mbar).
Average wind speed in May
Ganthier, Haiti
- Average wind speed in May: 7.8km/h
The windiest month (with the highest average wind speed) is June (9.2km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).
Average humidity in May
Ganthier, Haiti
- Average humidity in May: 75%
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is February (72%).
Average rainfall in May
Ganthier, Haiti
- Average rainfall in May: 141mm
The wettest month (with the highest rainfall) is May (141mm).
The driest month (with the least rainfall) is January (12mm).
Average rainfall days in May
Ganthier, Haiti
- Average rainfall days in May: 24.3 days
The months with the highest number of rainy days are April and October (24.4 days).
The month with the least rainy days is January (9.9 days).
Average daylight in May /
Average sunshine in May
Ganthier, Haiti
- Average daylight in May: 13h and 0min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in May: 10h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 7h and 12min).
Average sunshine days in May
Ganthier, Haiti
- Average sunshine days in May: 5.1 days
The month with the most sunshine days is December (19 days).
The month with the least sunshine days is April (3.3 days).
Average UV index in May
Ganthier, Haiti
- Average UV index in May: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 6).
Average cloud cover in May
Ganthier, Haiti
- Average cloud cover in May: 32
The month with the most cloud cover is April (Cloud cover 35).
The month with the least cloud cover is December (Cloud cover 21).
Average visibility in May
Ganthier, Haiti
- Average visibility in May: 9km
The months with the highest visibility are February, March and June (10km).
The months with the lowest visibility are January, April, May, July, August, September, October, November and December (9km).





