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 April transitions into May, a change in temperatures is observed, with average highs moving from a refreshing 60.6°F (15.9°C) to an agreeable 70.9°F (21.6°C). A marked drop from daytime peak temperatures to an average low-temperature of 49.1°F (9.5°C) is observed during the nights in May in Cascade Valley.Humidity
In May, the average relative humidity in Cascade Valley is 49%.Rainfall
In May, in Cascade Valley, the rain falls for 9.8 days. Throughout May, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 103.1 rainfall days, and 7.8" (198mm) of precipitation is accumulated.Snowfall
May through August and October are months without snowfall in Cascade Valley.Daylight
The average length of the day in May in Cascade Valley, Washington, is 15h and 7min.On the first day of the month, sunrise is at 5:39 am and sunset at 8:08 pm. On the last day of May, in Cascade Valley, sunrise is at 5:05 am and sunset at 8:44 pm PDT.
Sunshine
In Cascade Valley, Washington, the average sunshine in May is 10.8h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 during May leads to these advisories:
Ensure safety - Imperative it is to shield skin and eyes from damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What are May temperatures in Cascade Valley?
What is the average humidity in May in Cascade Valley?
How much does it rain in Cascade Valley in May?
When it does not snow in Cascade Valley?
Does it snow in Cascade Valley in May?
What is the average length of the day in May in Cascade Valley?
What time are sunrise and sunset in May in Cascade Valley?
How many hours of sunshine does Cascade Valley have in May?
How high is the UV index in May in Cascade Valley?
Average temperature in May
Cascade Valley, WA
- Average high temperature in May: 70.9°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (34°F).
- Average low temperature in May: 49.1°F
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in May
Cascade Valley, WA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in May
Cascade Valley, WA
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.5mph).
Average humidity in May
Cascade Valley, WA
- Average humidity in May: 49%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in May
Cascade Valley, WA
- Average rainfall in May: 0.87"
The wettest month (with the highest rainfall) is January (1.02").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in May
Cascade Valley, WA
- Average rainfall days in May: 9.8 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (3.8 days).
Average snowfall in May
Cascade Valley, WA
- Average snowfall in May: 0"
The month with the highest snowfall is December (2.6").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in May
Cascade Valley, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (6.8 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Cascade Valley, 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 36min).
- 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 54min).
Average sunshine days in May
Cascade Valley, WA
- Average sunshine days in May: 19.1 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (14.2 days).
Average UV index in May
Cascade Valley, WA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Cascade Valley, WA
- Average cloud cover in May: 26
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in May
Cascade Valley, WA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Cascade Valley, Washington, USA
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