May weather forecastWishram Heights, WA
May
Weather in May
The last month of the spring, May, is an enjoyable month in Wishram Heights, Washington, with an average temperature varying between 45°F (7.2°C) and 67.3°F (19.6°C).Temperature
As Wishram Heights transitions into May, the average high-temperature shows a change, moving from 57.4°F (14.1°C) in April to a still refreshing 67.3°F (19.6°C). Wishram Heights in May observes a substantial swing from the daily highs, with average nighttime temperatures of 45°F (7.2°C).Humidity
In May, the average relative humidity is 59%.Rainfall
In Wishram Heights, in May, it is raining for 8.1 days, with typically 0.79" (20mm) of accumulated precipitation. In Wishram Heights, during the entire year, the rain falls for 112.2 days and collects up to 10.91" (277mm) of precipitation.Snowfall
In Wishram Heights, snow does not fall in April through October.Daylight
The average length of the day in May is 14h and 57min.On the first day of May in Wishram Heights, sunrise is at 5:50 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:45 pm PDT.
Sunshine
In May, the average sunshine is 11.1h.UV index
In Wishram Heights, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the UV index of 5 transforms into the following advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Wishram Heights, WA
- Average high temperature in May: 67.3°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (37.4°F).
- Average low temperature in May: 45°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in May
Wishram Heights, WA
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).
Average wind speed in May
Wishram Heights, WA
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5mph).
Average humidity in May
Wishram Heights, WA
- Average humidity in May: 59%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (46%).
Average rainfall in May
Wishram Heights, WA
- Average rainfall in May: 0.79"
The wettest month (with the highest rainfall) is January (1.93").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in May
Wishram Heights, WA
- Average rainfall days in May: 8.1 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (2.9 days).
Average snowfall in May
Wishram Heights, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Wishram Heights, WA
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are February and December (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Wishram Heights, WA
- Average daylight in May: 14h and 54min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 11h and 6min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
Wishram Heights, WA
- Average sunshine days in May: 20.4 days
The month with the most sunshine days is July (27 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in May
Wishram Heights, WA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Wishram Heights, WA
- Average cloud cover in May: 25
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in May
Wishram Heights, WA
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
