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 arrival of May signals a slight increase in the average high-temperature, moving from a moderate 55.9°F (13.3°C) in April to a still refreshing 64.6°F (18.1°C). May witnesses an average nighttime temperature of 44.1°F (6.7°C) in Bellevue.Humidity
The average relative humidity in May is 75%.Rainfall
In May, the rain falls for 10.1 days. Throughout May, 0.79" (20mm) of precipitation is accumulated. In Bellevue, during the entire year, the rain falls for 119.1 days and collects up to 11.97" (304mm) of precipitation.Snowfall
In Bellevue, snow does not fall in April through October.Daylight
In Bellevue, the average length of the day in May is 15h and 10min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:21 pm. On the last day of May, sunrise is at 5:15 am and sunset at 8:58 pm PDT.
Sunshine
In May, the average sunshine in Bellevue, Washington, is 9.2h.UV index
In May, the average daily maximum UV index in Bellevue is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 4 in May transforms into the following instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Bellevue?
What is the average humidity in May in Bellevue?
How many days does it rain in May in Bellevue?
When it does not snow in Bellevue?
How many hours of daylight does Bellevue have in May?
What time are sunrise and sunset in May in Bellevue?
How long on average sun shines in May in Bellevue?
How high is the UV index in May in Bellevue?
Average temperature in May
Bellevue, WA
- Average high temperature in May: 64.6°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in May: 44.1°F
The month with the highest average low temperature is August (53.4°F).
The coldest month (with the lowest average low temperature) is February (34.5°F).
Average pressure in May
Bellevue, WA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in May
Bellevue, WA
- Average wind speed in May: 3.9mph
The windiest month (with the highest average wind speed) is March (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in May
Bellevue, WA
- Average humidity in May: 75%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
Bellevue, WA
- Average rainfall in May: 0.79"
The wettest month (with the highest rainfall) is December (2.01").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in May
Bellevue, WA
- Average rainfall days in May: 10.1 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is August (4.1 days).
Average snowfall in May
Bellevue, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Bellevue, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3 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
Bellevue, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in May
Bellevue, WA
- Average sunshine days in May: 18.5 days
The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is February (13.8 days).
Average UV index in May
Bellevue, 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
Bellevue, WA
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in May
Bellevue, WA
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).
Bellevue, Washington, USA
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