May weather forecastMarys Corner, WA
May
Weather in May
The last month of the spring, May, is a comfortable month in Marys Corner, Washington, with an average temperature fluctuating between 63.5°F (17.5°C) and 40.3°F (4.6°C).Temperature
Marys Corner's weather in May shows a minor rise in the average high-temperature, moving slightly up from April's refreshing 55.4°F (13°C) to a comfortable 63.5°F (17.5°C). Marys Corner's average low-temperature of 40.3°F (4.6°C) in May reflects a significant disparity from the daytime highs.Humidity
In May, the average relative humidity in Marys Corner is 79%.Rainfall
In Marys Corner, in May, it is raining for 13.6 days, with typically 1.57" (40mm) of accumulated precipitation. In Marys Corner, during the entire year, the rain falls for 170.1 days and collects up to 22.56" (573mm) of precipitation.Snowfall
In Marys Corner, snow does not fall in April through October.Daylight
The average length of the day in May is 15h and 2min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:21 pm. On the last day of May, sunrise is at 5:21 am and sunset at 8:56 pm PDT.
Sunshine
In Marys Corner, the average sunshine in May is 7.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Marys Corner, WA
- Average high temperature in May: 63.5°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in May: 40.3°F
The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (32.4°F).
Average pressure in May
Marys Corner, WA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in May
Marys Corner, WA
- Average wind speed in May: 3.9mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest months (with the lowest average wind speed) are August and September (3.5mph).
Average humidity in May
Marys Corner, WA
- Average humidity in May: 79%
The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is July (73%).
Average rainfall in May
Marys Corner, WA
- Average rainfall in May: 1.57"
The wettest month (with the highest rainfall) is January (3.54").
The driest months (with the least rainfall) are July and August (0.39").
Average rainfall days in May
Marys Corner, WA
- Average rainfall days in May: 13.6 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in May
Marys Corner, WA
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Marys Corner, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Marys Corner, WA
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 7h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 42min).
Average sunshine days in May
Marys Corner, WA
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is August (22.1 days).
The month with the least sunshine days is February (9 days).
Average UV index in May
Marys Corner, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Marys Corner, WA
- Average cloud cover in May: 55
The months with the most cloud cover are February and March (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
Marys Corner, WA
- Average visibility in May: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).





