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 arrival of May brings a temperature shift, with the average high-temperature escalating from a frosty 49.8°F (9.9°C) in April to a refreshing 62.4°F (16.9°C). The average temperature during May nights in Costigan is registered at a chilly 43.2°F (6.2°C).Humidity
The least humid month in Costigan is May, with an average relative humidity of 76%.Rainfall
In Costigan, Maine, in May, during 16.6 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 148.7 rainfall days, and 29.84" (758mm) of precipitation is accumulated.Snowfall
Months with snowfall in Costigan are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Costigan aggregates 0.63" (16mm) of snow. In Costigan, during the entire year, snow falls for 61.1 days and aggregates up to 36.34" (923mm) of snow.Daylight
In May, the average length of the day is 14h and 52min.On the first day of May, sunrise is at 5:22 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 4:51 am and sunset at 8:13 pm EDT.
Sunshine
In May, the average sunshine is 7.8h.UV index
The average daily maximum UV index in May in Costigan is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 4 during May morphs into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the average May temperature in Costigan?
What is the least humid month in Costigan?
What is the average humidity in May in Costigan?
How much does it rain in Costigan in May?
What is the last month it snows in Costigan?
What is the average length of the day in May in Costigan?
When are sunrise and sunset in May in Costigan?
How many hours of sunshine does Costigan have in May?
What is the UV index intensity in May in Costigan?
Average temperature in May
Costigan, ME
- Average high temperature in May: 62.4°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in May: 43.2°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in May
Costigan, 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
Costigan, ME
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Costigan, ME
- Average humidity in May: 76%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (76%).
Average rainfall in May
Costigan, ME
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.61").
Average rainfall days in May
Costigan, ME
- Average rainfall days in May: 16.6 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in May
Costigan, ME
- Average snowfall in May: 0.63"
The month with the highest snowfall is January (8.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Costigan, ME
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Costigan, ME
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in May
Costigan, ME
- Average sunshine days in May: 12.7 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is April (10.1 days).
Average UV index in May
Costigan, 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, November and December (UV index 2).
Average cloud cover in May
Costigan, ME
- Average cloud cover in May: 51
The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in May
Costigan, ME
- Average visibility in May: 5mi
The month with the highest visibility is October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, November and December (5mi).
Costigan, Maine, USA
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