May weather forecastNorth Yelm, WA
May
Weather in May
May, the last month of the spring in North Yelm, is an enjoyable month, with an average temperature varying between 64.9°F (18.3°C) and 41.9°F (5.5°C).Temperature
North Yelm observes a slight uplift in the average high-temperature with the onset of May, adjusting from April's mild 56.3°F (13.5°C) to a comfortable 64.9°F (18.3°C). In May, the recorded average low-temperature, of 41.9°F (5.5°C), exhibits a significant fall from the daytime highs.Humidity
In May, the average relative humidity is 77%.Rainfall
In North Yelm, during May, the rain falls for 14.5 days and regularly aggregates up to 1.93" (49mm) of precipitation. In North Yelm, during the entire year, the rain falls for 178.1 days and collects up to 33.82" (859mm) of precipitation.Snowfall
In North Yelm, snow does not fall in May through October.Daylight
In North Yelm, Washington, the average length of the day in May is 15h and 5min.On the first day of May in North Yelm, Washington, sunrise is at 5:53 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:57 pm PDT.
Sunshine
The average sunshine in May is 8.5h.UV index
In North Yelm, Washington, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 4 during May translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
North Yelm, WA
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (43°F).
- Average low temperature in May: 41.9°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 (32.9°F).
Average pressure in May
North Yelm, WA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in May
North Yelm, WA
- Average wind speed in May: 4.1mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in May
North Yelm, WA
- Average humidity in May: 77%
The months with the highest relative humidity are January, February, November and December (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall in May
North Yelm, WA
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is December (5.28").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in May
North Yelm, WA
- Average rainfall days in May: 14.5 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in May
North Yelm, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
North Yelm, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.2 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
North Yelm, WA
- Average daylight in May: 15h and 6min
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 36min).
- Average sunshine in May: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in May
North Yelm, WA
- Average sunshine days in May: 15.7 days
The month with the most sunshine days is August (23.4 days).
The months with the least sunshine days are February and March (8.8 days).
Average UV index in May
North Yelm, WA
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
North Yelm, WA
- Average cloud cover in May: 48
The months with the most cloud cover are January, February, March and December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
North Yelm, WA
- Average visibility in May: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
