May weather forecastAriel, WA
May
Weather in May
May, the last month of the spring in Ariel, is an enjoyable month, with an average temperature fluctuating between 63.5°F (17.5°C) and 41.5°F (5.3°C).Temperature
May's arrival signals a temperature shift, moving from a fresh 54.3°F (12.4°C) in April to a refreshing 63.5°F (17.5°C). Despite higher daytime temperatures, nighttime averages fall to an icy 41.5°F (5.3°C) in May in Ariel.Humidity
In May, the average relative humidity in Ariel is 77%.Rainfall
In Ariel, in May, during 14.3 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Ariel, during the entire year, the rain falls for 182.3 days and collects up to 48.11" (1222mm) of precipitation.Snowfall
In Ariel, snow does not fall in April through October.Daylight
The average length of the day in May in Ariel is 14h and 59min.On the first day of May, sunrise is at 5:55 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:53 pm PDT.
Sunshine
In Ariel, Washington, the average sunshine in May is 7.7h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ariel, WA
- Average high temperature in May: 63.5°F
The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (40.6°F).
- Average low temperature in May: 41.5°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (30.7°F).
Average pressure in May
Ariel, WA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in May
Ariel, WA
- Average wind speed in May: 4.4mph
The windiest month (with the highest average wind speed) is January (6.1mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in May
Ariel, WA
- Average humidity in May: 77%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (69%).
Average rainfall in May
Ariel, WA
- Average rainfall in May: 2.68"
The wettest month (with the highest rainfall) is January (7.64").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in May
Ariel, WA
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in May
Ariel, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Ariel, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.2 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
Ariel, WA
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 7h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in May
Ariel, WA
- Average sunshine days in May: 15 days
The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in May
Ariel, WA
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in May
Ariel, WA
- Average cloud cover in May: 53
The months with the most cloud cover are February and December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Ariel, WA
- Average visibility in May: 4mi
The months with the highest visibility are June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, November and December (4mi).
