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 May arrives, a rise in the average high-temperature is observed, moving from a cool 54.3°F (12.4°C) in April to a refreshing 65.3°F (18.5°C). Chelan Falls demonstrates a significant disparity from daytime highs throughout the month of May, with an average nighttime temperature of 43.2°F (6.2°C).Humidity
The average relative humidity in May is 57%.Rainfall
In Chelan Falls, during May, the rain falls for 9.5 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 99.9 rainfall days, and 10.47" (266mm) of precipitation is accumulated.Snowfall
In Chelan Falls, snow does not fall in May through August.Daylight
In Chelan Falls, the average length of the day in May is 15h and 11min.On the first day of the month, sunrise is at 5:40 am and sunset at 8:13 pm. On the last day of May, sunrise is at 5:05 am and sunset at 8:50 pm PDT.
Sunshine
In Chelan Falls, the average sunshine in May is 10.9h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 in May translates into these instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Chelan Falls in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May in Chelan Falls?
What time are sunrise and sunset in May?
How many hours of sunshine does Chelan Falls have in May?
What is the UV index intensity in May?
Average temperature in May
Chelan Falls, 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 Falls, 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 Falls, 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 Falls, 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 Falls, 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 Falls, 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 Falls, 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 Falls, 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 Falls, 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 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 Falls, 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 Falls, 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 Falls, 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 Falls, 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 Falls, Washington, USA
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