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
May sees a temperature increase, moving from a refreshing 55.9°F (13.3°C) in April to an enjoyable 64.9°F (18.3°C). Belfair records a mean low-temperature of 43.7°F (6.5°C) in May.Humidity
In Belfair, the average relative humidity in May is 75%.Rainfall
In May, the rain falls for 14.3 days. Throughout May, 1.69" (43mm) of precipitation is accumulated. In Belfair, during the entire year, the rain falls for 175.2 days and collects up to 30.43" (773mm) of precipitation.Snowfall
In Belfair, snow does not fall in May through October.Daylight
In May, the average length of the day is 15h and 8min.On the first day of May, sunrise is at 5:52 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 9:00 pm PDT.
Sunshine
In Belfair, Washington, the average sunshine in May is 9h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 during May leads to these advisories:
Be vigilant - Preventing sunburn is recommended. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Belfair in May?
What is the average humidity in May in Belfair?
How many days does it rain in May in Belfair?
When it does not snow in Belfair?
Does it snow in Belfair in May?
How many hours of daylight does Belfair have in May?
When is the sunrise / sunset in May in Belfair?
How many hours of sunshine does Belfair have in May?
How high is the UV index in May in Belfair?
Average temperature in May
Belfair, WA
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in May: 43.7°F
The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).
Average pressure in May
Belfair, WA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in May
Belfair, WA
- Average wind speed in May: 4mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in May
Belfair, WA
- Average humidity in May: 75%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
Belfair, WA
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is December (5").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in May
Belfair, WA
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is March (19.7 days).
The month with the least rainy days is August (6 days).
Average snowfall in May
Belfair, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Belfair, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Belfair, 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: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in May
Belfair, WA
- Average sunshine days in May: 15.1 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is November (8.7 days).
Average UV index in May
Belfair, 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, November and December (UV index 2).
Average cloud cover in May
Belfair, WA
- Average cloud cover in May: 44
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in May
Belfair, WA
- Average visibility in May: 5mi
The months with the highest visibility are June, July and August (6mi).
The months with the lowest visibility are January, February, November and December (4mi).
Belfair, Washington, USA
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