May weather forecastRepublic, WA
May
Weather in May
May, the last month of the spring in Republic, is a comfortable month, with an average temperature varying between 62.6°F (17°C) and 37.8°F (3.2°C).Temperature
The shift into May is marked by a rise in the average high-temperature, moving from April's frosty 49.6°F (9.8°C) to a refreshing 62.6°F (17°C). Republic experiences a consistent, yet significant, drop from daily highs to a low-temperature of 37.8°F (3.2°C) throughout May.Humidity
In Republic, the average relative humidity in May is 63%.Rainfall
The month with the most rainfall is May, when the rain falls for 13.8 days and typically aggregates up to 1.97" (50mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Republic aggregates 0.79" (20mm) of snow. Throughout the year, there are 89.6 snowfall days, and 47.44" (1205mm) of snow is accumulated.Daylight
In May, the average length of the day is 15h and 17min.On the first day of the month, sunrise is at 5:33 am and sunset at 8:10 pm. On the last day of May, sunrise is at 4:56 am and sunset at 8:48 pm PDT.
Sunshine
In Republic, the average sunshine in May is 10.8h.UV index
In Republic, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 4 in May leads to these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Boost your sun resistance with garments that are densely woven yet spacious. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Republic, WA
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (27°F).
- Average low temperature in May: 37.8°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in May
Republic, WA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in May
Republic, WA
- Average wind speed in May: 4.2mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest months (with the lowest average wind speed) are January, February and December (3.7mph).
Average humidity in May
Republic, WA
- Average humidity in May: 63%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (49%).
Average rainfall in May
Republic, WA
- Average rainfall in May: 1.97"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is August (0.47").
Average rainfall days in May
Republic, WA
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (5.7 days).
Average snowfall in May
Republic, WA
- Average snowfall in May: 0.79"
The month with the highest snowfall is December (9.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Republic, WA
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Republic, WA
- Average daylight in May: 15h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 10h and 48min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Republic, WA
- Average sunshine days in May: 15.1 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is March (10.8 days).
Average UV index in May
Republic, WA
- Average UV index in May: 4
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 1).
Average cloud cover in May
Republic, WA
- Average cloud cover in May: 32
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in May
Republic, WA
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).





