Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Entering May, Chiwaukum sees a temperature rise, with the average high-temperature advancing from April's chilly 47.8°F (8.8°C) to a moderate 59.9°F (15.5°C). A sharp contrast between day and night is prevalent in May with an average nighttime temperature of 37.9°F (3.3°C).Humidity
In May, the average relative humidity in Chiwaukum is 70%.Rainfall
In Chiwaukum, in May, during 15.3 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, in Chiwaukum, there are 159.9 rainfall days, and 25.63" (651mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Chiwaukum aggregates 0.04" (1mm) of snow. In Chiwaukum, during the entire year, snow falls for 73.4 days and aggregates up to 57.99" (1473mm) of snow.Daylight
In May, the average length of the day is 15h and 10min.On the first day of May, sunrise is at 5:43 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:52 pm PDT.
Sunshine
In May, the average sunshine in Chiwaukum is 10.7h.UV index
In Chiwaukum, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 4 in May interprets into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What are May temperatures in Chiwaukum?
What is the average humidity in May in Chiwaukum?
How many days does it rain in May in Chiwaukum?
What is the last month it snows in Chiwaukum?
What is the average length of the day in May in Chiwaukum?
When is the sunrise / sunset in May in Chiwaukum?
How long on average sun shines in May in Chiwaukum?
What is the UV index intensity in May in Chiwaukum?
Average temperature in May
Chiwaukum, WA
- Average high temperature in May: 59.9°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 (30.6°F).
- Average low temperature in May: 37.9°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).
Average pressure in May
Chiwaukum, WA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).
Average wind speed in May
Chiwaukum, WA
- Average wind speed in May: 5mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in May
Chiwaukum, WA
- Average humidity in May: 70%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are July and August (56%).
Average rainfall in May
Chiwaukum, WA
- Average rainfall in May: 1.65"
The wettest month (with the highest rainfall) is January (4.33").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in May
Chiwaukum, WA
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in May
Chiwaukum, WA
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Chiwaukum, WA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (17 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Chiwaukum, WA
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 10h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Chiwaukum, WA
- Average sunshine days in May: 12.5 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in May
Chiwaukum, 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 and February (UV index 1).
Average cloud cover in May
Chiwaukum, WA
- Average cloud cover in May: 33
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in May
Chiwaukum, WA
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
Chiwaukum, Washington, USA
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