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
May
Weather in May
Temperature
May sees a temperature increase, moving from a chilly 48.9°F (9.4°C) in April to a mild 59.7°F (15.4°C). An average low-temperature of 43.9°F (6.6°C) is anticipated throughout the nights during May.Humidity
In Swanville, Maine, the average relative humidity in May is 80%.Rainfall
In Swanville, Maine, during May, the rain falls for 15.3 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Swanville, during the entire year, the rain falls for 141.1 days and collects up to 24.29" (617mm) of precipitation.Snowfall
Months with snowfall in Swanville are January through May, October through December. May is the last month it regularly snows in Swanville. During 0.1 snowfall days, in May, Swanville aggregates 0.35" (9mm) of snow. In Swanville, during the entire year, snow falls for 44.3 days and aggregates up to 16.81" (427mm) of snow.Daylight
In May, the average length of the day is 14h and 49min.On the first day of the month, sunrise is at 5:25 am and sunset at 7:40 pm. On the last day of May, in Swanville, sunrise is at 4:54 am and sunset at 8:13 pm EDT.
Sunshine
The average sunshine in May in Swanville is 7.6h.UV index
In Swanville, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 4 during May translates into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Swanville?
What is the average humidity in May in Swanville?
How much does it rain in Swanville in May?
What is the last month it snows in Swanville?
How many hours of daylight does Swanville have in May?
When are sunrise and sunset in May in Swanville?
How many hours of sunshine does Swanville have in May?
What is the UV index reading in May in Swanville?
Average temperature in May
Swanville, ME
- Average high temperature in May: 59.7°F
The warmest months (with the highest average high temperature) are July and August (73.9°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in May: 43.9°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 (16.2°F).
Average pressure in May
Swanville, ME
- Average pressure in May: 29.99"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
Swanville, ME
- Average wind speed in May: 7.6mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
Swanville, ME
- Average humidity in May: 80%
The months with the highest relative humidity are February and July (83%).
The month with the lowest relative humidity is November (77%).
Average rainfall in May
Swanville, ME
- Average rainfall in May: 2.05"
The wettest month (with the highest rainfall) is December (2.72").
The driest months (with the least rainfall) are July and September (1.46").
Average rainfall days in May
Swanville, ME
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in May
Swanville, ME
- Average snowfall in May: 0.35"
The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Swanville, ME
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Swanville, 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 18min).
Average sunshine days in May
Swanville, ME
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.7 days).
Average UV index in May
Swanville, 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
Swanville, ME
- Average cloud cover in May: 51
The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility in May
Swanville, 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).