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
As Chelan transitions into May, a rise in the average high-temperature is observed, moving from a fresh 54.3°F (12.4°C) in April to a refreshing 65.3°F (18.5°C). Following the sharp contrast to daytime warmth, an average nighttime temperature of 43.2°F (6.2°C) gets registered during May.Humidity
In Chelan, the average relative humidity in May is 57%.Rainfall
In May, in Chelan, the rain falls for 9.5 days. Throughout May, 1.1" (28mm) of precipitation is accumulated. Throughout the year, in Chelan, Washington, there are 99.9 rainfall days, and 10.47" (266mm) of precipitation is accumulated.Snowfall
May through August are months without snowfall.Daylight
In Chelan, the average length of the day in May is 15h and 11min.On the first day of May in Chelan, sunrise is at 5:40 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:05 am and sunset at 8:50 pm PDT.
Sunshine
In May, the average sunshine in Chelan, Washington, is 10.9h.UV index
In Chelan, 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: The UV index of 4 during May translates into the following guidance:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Chelan?
What is the average humidity in May in Chelan?
How much does it rain in Chelan in May?
When it does not snow in Chelan?
Does it snow in Chelan in May?
What is the average length of the day in May in Chelan?
When is the sunrise / sunset in May in Chelan?
How long on average sun shines in May in Chelan?
What is the UV index reading in May in Chelan?
Average temperature in May
Chelan, WA
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (30.2°F).
- Average low temperature in May: 43.2°F
The month with the highest average low temperature is August (55.8°F).
The coldest months (with the lowest average low temperature) are January and December (19°F).
Average pressure in May
Chelan, WA
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in May
Chelan, WA
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest months (with the lowest average wind speed) are January and December (3.5mph).
Average humidity in May
Chelan, WA
- Average humidity in May: 57%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in May
Chelan, WA
- Average rainfall in May: 1.1"
The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in May
Chelan, WA
- Average rainfall days in May: 9.5 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in May
Chelan, WA
- Average snowfall in May: 0"
The month with the highest snowfall is December (9.06").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in May
Chelan, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Chelan, WA
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 10h and 5min
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: 4h and 6min).
Average sunshine days in May
Chelan, WA
- Average sunshine days in May: 18.2 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (13.2 days).
Average UV index in May
Chelan, 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, March, October, November and December (UV index 2).
Average cloud cover in May
Chelan, WA
- Average cloud cover in May: 27
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in May
Chelan, 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 and December (4mi).
Chelan, Washington, USA
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