May weather forecastEthel, WA
May
Weather in May
The last month of the spring, May, is an enjoyable month in Ethel, Washington, with an average temperature fluctuating between 40.3°F (4.6°C) and 63.5°F (17.5°C).Temperature
Ethel's weather in May presents a minor rise in the average high-temperature, moving from a moderate 55.4°F (13°C) in April to a comfortable 63.5°F (17.5°C). Ethel in May observes a substantial swing from the daily highs, with average nighttime temperatures of 40.3°F (4.6°C).Humidity
The average relative humidity in May is 79%.Rainfall
In May, the rain falls for 13.6 days. Throughout May, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 170.1 rainfall days, and 22.56" (573mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May is 15h and 2min.On the first day of May, sunrise is at 5:54 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:56 pm PDT.
Sunshine
In Ethel, the average sunshine in May is 7.8h.UV index
The average daily maximum UV index in May in Ethel is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 during May leads to these advisories:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ethel, 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
Ethel, 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
Ethel, 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
Ethel, 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
Ethel, 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
Ethel, 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
Ethel, 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
Ethel, 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
Ethel, 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
Ethel, 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
Ethel, 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
Ethel, 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
Ethel, 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).
