May weather forecastWashington, CT
May
Weather in May
May, the last month of the spring in Washington, is an agreeable month, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 68°F (20°C).Temperature
A rise in the average high-temperature is observed during May, moving from a refreshing 55.8°F (13.2°C) in April to an agreeable 68°F (20°C). Washington throughout May, experiences an average nighttime temperature of 47.8°F (8.8°C).Humidity
In Washington, Connecticut, the average relative humidity in May is 77%.Rainfall
In Washington, in May, it is raining for 17.8 days, with typically 3.03" (77mm) of accumulated precipitation. In Washington, Connecticut, during the entire year, the rain falls for 161.7 days and collects up to 34.41" (874mm) of precipitation.Snowfall
Months with snowfall in Washington, Connecticut, are January through May, October through December. May is the last month it regularly snows in Washington. During 0.2 snowfall days, in May, Washington aggregates 0.28" (7mm) of snow. In Washington, during the entire year, snow falls for 38.3 days and aggregates up to 19.84" (504mm) of snow.Daylight
In Washington, the average length of the day in May is 14h and 33min.On the first day of May in Washington, Connecticut, sunrise is at 5:48 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:20 pm EDT.
Sunshine
In May, the average sunshine in Washington is 8.1h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 in May translates into this advice:
Adopt protective measures - It is advised to guard against sun damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Washington, CT
- Average high temperature in May: 68°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
Washington, CT
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Washington, CT
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Washington, CT
- Average humidity in May: 77%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (73%).
Average rainfall in May
Washington, CT
- Average rainfall in May: 3.03"
The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in May
Washington, CT
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in May
Washington, CT
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Washington, CT
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (10.5 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, CT
- Average daylight in May: 14h and 30min
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 12min).
- Average sunshine in May: 8h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in May
Washington, CT
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in May
Washington, CT
- Average UV index in May: 5
The month with the highest UV index is June (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
Washington, CT
- Average cloud cover in May: 49
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in May
Washington, CT
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
