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
The beginning of May signals a rise in the average high-temperature, moving from a moderate 55.8°F (13.2°C) in April to an enjoyable 66.2°F (19°C). During May, the nighttime temperature presents a clear descent from the daily peaks, falling to an average of 44.6°F (7°C).Humidity
The average relative humidity in May is 58%.Rainfall
In Creston, in May, during 13.9 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Creston, during the entire year, the rain falls for 127.9 days and collects up to 15.71" (399mm) of precipitation.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, Creston aggregates 0.08" (2mm) of snow. In Creston, during the entire year, snow falls for 65.1 days and aggregates up to 37.36" (949mm) of snow.Daylight
The average length of the day in May is 15h and 11min.On the first day of May, sunrise is at 5:34 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 4:59 am and sunset at 8:44 pm PDT.
Sunshine
The average sunshine in May is 10.5h.UV index
In Creston, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 during May leads to these advisories:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May in Creston?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Creston have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Creston, WA
- Average high temperature in May: 66.2°F
The warmest months (with the highest average high temperature) are July and August (83.3°F).
The month with the lowest average high temperature is December (31.5°F).
- Average low temperature in May: 44.6°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in May
Creston, WA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in May
Creston, WA
- Average wind speed in May: 7.3mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in May
Creston, WA
- Average humidity in May: 58%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (37%).
Average rainfall in May
Creston, WA
- Average rainfall in May: 1.73"
The wettest month (with the highest rainfall) is March (1.97").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in May
Creston, WA
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in May
Creston, WA
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (10").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Creston, WA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (15.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Creston, 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 3min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in May
Creston, WA
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is March (10.2 days).
Average UV index in May
Creston, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Creston, WA
- Average cloud cover in May: 32
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in May
Creston, WA
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Creston, Washington, USA
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