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 snowfall in May
- Average snowfall 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
Weather in May
Temperature
The shift into May brings an increase in the average high-temperature, moving from a frosty 49.3°F (9.6°C) in April to a comfortable 62.2°F (16.8°C). In Hartland, May's nights observe an average temperature dip to a wintry 42.6°F (5.9°C).Humidity
April, May and November, with an average relative humidity of 78%, are the least humid months.Rainfall
In Hartland, in May, during 16.7 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Hartland, during the entire year, the rain falls for 149.1 days and collects up to 31.22" (793mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Hartland aggregates 0.63" (16mm) of snow. In Hartland, during the entire year, snow falls for 58.6 days and aggregates up to 42.32" (1075mm) of snow.Daylight
In May, the average length of the day is 14h and 52min.On the first day of the month, sunrise is at 5:26 am and sunset at 7:43 pm. On the last day of May, sunrise is at 4:54 am and sunset at 8:16 pm EDT.
Sunshine
The average sunshine in May is 7.7h.UV index
In May, the average daily maximum UV index in Hartland is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 in May interprets into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What are the least humid months?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Hartland have in May?
When is the sunrise / sunset in May in Hartland?
How many hours of sunshine does Hartland have in May?
What is the UV index intensity in May in Hartland?
Average temperature in May
Hartland, ME
- Average high temperature in May: 62.2°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in May: 42.6°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in May
Hartland, ME
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Hartland, ME
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Hartland, ME
- Average humidity in May: 78%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, May and November (78%).
Average rainfall in May
Hartland, ME
- Average rainfall in May: 2.48"
The wettest months (with the highest rainfall) are April and October (3.31").
The driest month (with the least rainfall) is July (1.77").
Average rainfall days in May
Hartland, ME
- Average rainfall days in May: 16.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7 days).
Average snowfall in May
Hartland, ME
- Average snowfall in May: 0.63"
The month with the highest snowfall is January (9.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hartland, ME
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hartland, ME
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 7h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in May
Hartland, ME
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in May
Hartland, ME
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Hartland, ME
- Average cloud cover in May: 51
The months with the most cloud cover are February, March and April (Cloud cover 54).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in May
Hartland, ME
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Hartland, Maine, USA
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