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 start of May signals an increase in the average high-temperature, moving from a cool 50°F (10°C) in April to a comfortable 61.7°F (16.5°C). Winthrop observes an average low-temperature of 44.2°F (6.8°C) during May nights.Humidity
In May, the average relative humidity in Winthrop is 79%.Rainfall
In Winthrop, in May, it is raining for 15.5 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, there are 142.3 rainfall days, and 27.52" (699mm) of precipitation is accumulated.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, Winthrop aggregates 0.63" (16mm) of snow. Throughout the year, in Winthrop, there are 50.3 snowfall days, and 29.69" (754mm) of snow is accumulated.Daylight
The average length of the day in May in Winthrop is 14h and 48min.On the first day of the month, sunrise is at 5:29 am and sunset at 7:44 pm. On the last day of May, in Winthrop, sunrise is at 4:58 am and sunset at 8:16 pm EDT.
Sunshine
The average sunshine in May is 7.9h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 4 in May suggests the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Winthrop?
What is the average humidity in May in Winthrop?
How many days does it rain in May in Winthrop?
What is the last month it snows in Winthrop?
What is the average length of the day in May in Winthrop?
When is the sunrise / sunset in May in Winthrop?
How many hours of sunshine does Winthrop have in May?
What is the UV index reading in May in Winthrop?
Average temperature in May
Winthrop, 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
Winthrop, 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
Winthrop, 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
Winthrop, 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
Winthrop, 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
Winthrop, 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
Winthrop, 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
Winthrop, 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
Winthrop, 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
Winthrop, 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
Winthrop, 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
Winthrop, 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
Winthrop, 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).
Winthrop, Maine, USA
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