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
Hallowell sees an increase in average high-temperatures during May, moving from a cool 50°F (10°C) in April to a refreshing 61.7°F (16.5°C). Nighttime temperature experiences an average drop to a chilly 44.2°F (6.8°C) in May.Humidity
In May, the average relative humidity is 79%.Rainfall
In Hallowell, Maine, in May, during 15.5 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Hallowell, during the entire year, the rain falls for 142.3 days and collects up to 27.52" (699mm) 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, Hallowell aggregates 0.63" (16mm) of snow. Throughout the year, there are 50.3 snowfall days, and 29.69" (754mm) of snow is accumulated.Daylight
In Hallowell, the average length of the day in May is 14h and 48min.On the first day of May, sunrise is at 5:28 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 4:58 am and sunset at 8:15 pm EDT.
Sunshine
In Hallowell, the average sunshine in May is 7.9h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 4 in May translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Hallowell in May?
What is the average humidity in May?
How much does it rain in Hallowell in May?
What is the last month it snows in Hallowell?
How many hours of daylight does Hallowell have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Hallowell, ME
- Average high temperature in May: 61.7°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in May: 44.2°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in May
Hallowell, ME
- Average pressure in May: 29.99"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Hallowell, ME
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Hallowell, ME
- Average humidity in May: 79%
The months with the highest relative humidity are January, February and March (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in May
Hallowell, ME
- Average rainfall in May: 2.28"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in May
Hallowell, ME
- Average rainfall days in May: 15.5 days
The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is January (7 days).
Average snowfall in May
Hallowell, ME
- Average snowfall in May: 0.63"
The month with the highest snowfall is February (6.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hallowell, ME
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hallowell, 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Hallowell, ME
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in May
Hallowell, ME
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Hallowell, ME
- Average cloud cover in May: 49
The months with the most cloud cover are March and April (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 36).
Average visibility in May
Hallowell, ME
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
Hallowell, Maine, USA
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