May weather forecastParker, WA
May
Weather in May
May, the last month of the spring in Parker, is an agreeable month, with an average temperature varying between 69.6°F (20.9°C) and 48.2°F (9°C).Temperature
Parker's transition into May sees a rise in the average high-temperature, advancing from a refreshing 59.5°F (15.3°C) in April to a pleasant 69.6°F (20.9°C). Parker in May anticipates an average nighttime temperature of 48.2°F (9°C).Humidity
The average relative humidity in May is 49%.Rainfall
In May, the rain falls for 8.1 days. Throughout May, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 78.5 rainfall days, and 5.16" (131mm) of precipitation is accumulated.Snowfall
April through August and 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 5:45 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 8:46 pm PDT.
Sunshine
In May, the average sunshine is 11.4h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 5 during May leads to these advisories:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Parker, WA
- Average high temperature in May: 69.6°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is December (37°F).
- Average low temperature in May: 48.2°F
The month with the highest average low temperature is August (61.2°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).
Average pressure in May
Parker, WA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in May
Parker, WA
- Average wind speed in May: 6.8mph
The windiest months (with the highest average wind speed) are April and June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.6mph).
Average humidity in May
Parker, WA
- Average humidity in May: 49%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (38%).
Average rainfall in May
Parker, WA
- Average rainfall in May: 0.71"
The wettest month (with the highest rainfall) is January (0.83").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in May
Parker, WA
- Average rainfall days in May: 8.1 days
The month with the highest number of rainy days is March (9.8 days).
The month with the least rainy days is July (2.1 days).
Average snowfall in May
Parker, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in May
Parker, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Parker, 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 42min).
- Average sunshine in May: 11h and 24min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in May
Parker, WA
- Average sunshine days in May: 20.8 days
The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is February (17.9 days).
Average UV index in May
Parker, WA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Parker, WA
- Average cloud cover in May: 22
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in May
Parker, WA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





