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
A shift in the average high-temperature is noticeable in May, changing from a frosty 47.8°F (8.8°C) in April to a mild 58.3°F (14.6°C). Washington records a mean low-temperature of 45.1°F (7.3°C) in May.Humidity
In May, the average relative humidity is 81%.Rainfall
In May, in Washington, the rain falls for 15.5 days. Throughout May, 2.24" (57mm) of precipitation is accumulated. In Washington, during the entire year, the rain falls for 144.1 days and collects up to 29.29" (744mm) of precipitation.Snowfall
In Washington, snow does not fall in May through September.Daylight
The average length of the day in May in Washington is 14h and 48min.On the first day of May in Washington, Maine, sunrise is at 5:27 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 4:56 am and sunset at 8:13 pm EDT.
Sunshine
In May, the average sunshine in Washington is 8h.UV index
The average daily maximum UV index in May in Washington is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In May, a regular UV index of 4 translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Washington in May?
What is the average humidity in May in Washington?
How many days does it rain in May in Washington?
When it does not snow in Washington?
Does it snow in Washington in May?
How many hours of daylight does Washington have in May?
What time are sunrise and sunset in May in Washington?
How long on average sun shines in May in Washington?
What is the UV index reading in May in Washington?
Average temperature in May
Washington, ME
- Average high temperature in May: 58.3°F
The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in May: 45.1°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 (18.9°F).
Average pressure in May
Washington, 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
Washington, ME
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Washington, ME
- Average humidity in May: 81%
The months with the highest relative humidity are June and July (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in May
Washington, ME
- Average rainfall in May: 2.24"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in May
Washington, ME
- Average rainfall days in May: 15.5 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in May
Washington, ME
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.37").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Washington, ME
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Washington, 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: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in May
Washington, ME
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (11.4 days).
Average UV index in May
Washington, 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
Washington, ME
- Average cloud cover in May: 48
The months with the most cloud cover are February, March, April and December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Washington, ME
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Washington, Maine, USA
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