May weather forecastKlickitat, WA
May
Weather in May
May, the last month of the spring in Klickitat, is an enjoyable month, with an average temperature ranging between max 65.8°F (18.8°C) and min 43.3°F (6.3°C).Temperature
May's onset witnesses a shift in the average high-temperature, moving from a moderate 55.8°F (13.2°C) in April to a still refreshing 65.8°F (18.8°C). Klickitat's average low-temperature of 43.3°F (6.3°C) in May reflects a significant disparity from the daytime highs.Humidity
The average relative humidity in May is 63%.Rainfall
In Klickitat, in May, during 9.8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, in Klickitat, there are 133.5 rainfall days, and 16.93" (430mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May in Klickitat is 14h and 58min.On the first day of May, sunrise is at 5:50 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:46 pm PDT.
Sunshine
The average sunshine in May in Klickitat is 10.9h.UV index
The average daily maximum UV index in May in Klickitat is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Klickitat, WA
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (37°F).
- Average low temperature in May: 43.3°F
The month with the highest average low temperature is August (55.8°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure in May
Klickitat, WA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in May
Klickitat, WA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).
Average humidity in May
Klickitat, WA
- Average humidity in May: 63%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in May
Klickitat, WA
- Average rainfall in May: 0.87"
The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in May
Klickitat, WA
- Average rainfall days in May: 9.8 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in May
Klickitat, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Klickitat, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (4.4 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
Klickitat, 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: 10h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in May
Klickitat, WA
- Average sunshine days in May: 18.4 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (10.6 days).
Average UV index in May
Klickitat, 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
Klickitat, WA
- Average cloud cover in May: 28
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in May
Klickitat, 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).





