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 sea temperature 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
A shift in the average high-temperature is noticeable in May in Richmond, changing from a chilly 49.8°F (9.9°C) in April to a refreshing 60.8°F (16°C). Richmond observes an average nighttime temperature of 44.8°F (7.1°C) during May.Humidity
The average relative humidity in May is 80%.Rainfall
In Richmond, in May, during 14.6 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Richmond, during the entire year, the rain falls for 139 days and collects up to 27.56" (700mm) 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, Richmond aggregates 0.39" (10mm) of snow. In Richmond, during the entire year, snow falls for 41.8 days and aggregates up to 21.97" (558mm) of snow.Ocean temperature
In Richmond, in May, the average water temperature is 45.3°F (7.4°C).Note: Caution: 45.3°F (7.4°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.
Daylight
The average length of the day in May is 14h and 47min.On the first day of May, sunrise is at 5:29 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 4:59 am and sunset at 8:14 pm EDT.
Sunshine
The average sunshine in May is 8h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 4 in May interprets into the following advice:
Exercise prevention - Warding off sunburn is urged. When the Sun is at its strongest around midday, find shade and limit exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How cold is the water in May?
How many hours of daylight does Richmond have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Richmond have in May?
What is the UV index intensity in May?
Average temperature in May
Richmond, ME
- Average high temperature in May: 60.8°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in May: 44.8°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in May
Richmond, 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
Richmond, ME
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in May
Richmond, ME
- Average humidity in May: 80%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (76%).
Average rainfall in May
Richmond, ME
- Average rainfall in May: 2.13"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in May
Richmond, ME
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is April (15.1 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in May
Richmond, ME
- Average snowfall in May: 0.39"
The month with the highest snowfall is January (5.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Richmond, ME
- Average snowfall days in May: 0.1 days
The months with the highest number of snowfall days are January and February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
Richmond, ME
- Average sea temperature in May: 45.3°F
The best month for swimming (with the highest average sea temperature) is August (61.5°F).
The coldest month (with the lowest average sea temperature) is March (37.7°F).
Average daylight in May /
Average sunshine in May
Richmond, ME
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Richmond, ME
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is April (11.7 days).
Average UV index in May
Richmond, ME
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Richmond, ME
- Average cloud cover in May: 49
The months with the most cloud cover are February, March and April (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Richmond, ME
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, September, October, November and December (6mi).
The months with the lowest visibility are May, June, July and August (5mi).
Richmond, Maine, USA
Weather forecast for your location
2. Allow the app to use your location