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
May's arrival sees a rise in the average high-temperature, jumping from April's cool 55°F (12.8°C) to an enjoyable 66.9°F (19.4°C). An average low-temperature of 47.8°F (8.8°C) is expected during May.Humidity
In Wiscasset, the average relative humidity in May is 80%.Rainfall
The month with the most rainfall is May, when the rain falls for 18.6 days and typically aggregates up to 3.5" (89mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Wiscasset. During 0.3 snowfall days, in May, Wiscasset aggregates 0.79" (20mm) of snow. Throughout the year, in Wiscasset, there are 66.6 snowfall days, and 42.24" (1073mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 30min.On the first day of May, sunrise is at 5:58 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:27 pm EDT.
Sunshine
In Wiscasset, the average sunshine in May is 8h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 5 suggests this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
What is the rainiest month?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Wiscasset have in May?
What is the month with the highest UV index in Wiscasset?
How high is the UV index in May in Wiscasset?
Average temperature in May
Wiscasset, PA
- Average high temperature in May: 66.9°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in May
Wiscasset, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Wiscasset, PA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Wiscasset, PA
- Average humidity in May: 80%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (77%).
Average rainfall in May
Wiscasset, PA
- Average rainfall in May: 3.5"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in May
Wiscasset, PA
- Average rainfall days in May: 18.6 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in May
Wiscasset, PA
- Average snowfall in May: 0.79"
The month with the highest snowfall is January (9.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Wiscasset, PA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Wiscasset, PA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in May
Wiscasset, PA
- Average sunshine days in May: 10.2 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in May
Wiscasset, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Wiscasset, PA
- Average cloud cover in May: 51
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in May
Wiscasset, PA
- 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).
Wiscasset, Pennsylvania, USA
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