June weather forecastGreffin, Haiti
June
Weather in June
The first month of the summer, June, is a tropical month in Greffin, Haiti, with an average temperature varying between 20.9°C (69.6°F) and 30.3°C (86.5°F).Temperature
The arrival of June marks a slight shift to an average high-temperature of a tropical 30.3°C (86.5°F) from May's 29.1°C (84.4°F). In the month of June, Greffin records a consistent average low-temperature of 20.9°C (69.6°F).Heat index
The heat index value for June is evaluated at a fiery hot 37°C (98.6°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
In June, the average relative humidity is 73%.Rainfall
In Greffin, in June, during 19 rainfall days, 74mm (2.91") of precipitation is typically accumulated. In Greffin, during the entire year, the rain falls for 228 days and collects up to 913mm (35.94") of precipitation.Daylight
The month with the longest days is June, with an average of 13h and 12min of daylight.On the first day of the month, sunrise is at 06:11 and sunset at 19:22. On the last day of June, in Greffin, sunrise is at 06:16 and sunset at 19:29 EDT.
Sunshine
The average sunshine in June is 11.1h.UV index
With an average maximum UV index of 7, June is the month with the highest UV index in Greffin. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In June, a daily UV index of 7 turns into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Greffin, Haiti
- Average high temperature in June: 30.3°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 June: 20.9°C
The month with the highest average low temperature is August (21.3°C).
The coldest month (with the lowest average low temperature) is January (18.2°C).
Average pressure in June
Greffin, Haiti
- Average pressure in June: 1015.3mbar
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 June
Greffin, Haiti
- Average wind speed in June: 9.2km/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 (6.3km/h).
Average humidity in June
Greffin, Haiti
- Average humidity in June: 73%
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is February (72%).
Average rainfall in June
Greffin, Haiti
- Average rainfall in June: 74mm
The wettest month (with the highest rainfall) is September (144mm).
The driest month (with the least rainfall) is January (12mm).
Average rainfall days in June
Greffin, Haiti
- Average rainfall days in June: 19 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 June /
Average sunshine in June
Greffin, Haiti
- Average daylight in June: 13h and 12min
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 June: 11h and 6min
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 June
Greffin, Haiti
- Average sunshine days in June: 8.3 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 June
Greffin, Haiti
- Average UV index in June: 7
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 June
Greffin, Haiti
- Average cloud cover in June: 25
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 June
Greffin, Haiti
- Average visibility in June: 10km
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).





