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
Duvall's transition into May is noticed by a slight rise in the average high-temperature, advancing from a fresh 54.7°F (12.6°C) in April to a comfortable 63.3°F (17.4°C). Duvall reports a significant contrast between daytime and nighttime temperatures, with an average low of 41.5°F (5.3°C) in May.Humidity
The average relative humidity in May is 77%.Rainfall
In Duvall, during May, the rain falls for 10.8 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, there are 137.3 rainfall days, and 16.65" (423mm) of precipitation is accumulated.Snowfall
In Duvall, snow does not fall in May through October.Daylight
In Duvall, the average length of the day in May is 15h and 10min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:21 pm. On the last day of May, sunrise is at 5:13 am and sunset at 8:57 pm PDT.
Sunshine
In Duvall, the average sunshine in May is 8.8h.UV index
In Duvall, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In May, a regular UV index of 4 translates into these guidelines:
Take precautions - Protection against sun damage is advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May in Duvall?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Duvall have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Duvall have in May?
What is the UV index intensity in May in Duvall?
Average temperature in May
Duvall, WA
- Average high temperature in May: 63.3°F
The warmest month (with the highest average high temperature) is August (75.7°F).
The month with the lowest average high temperature is December (41.4°F).
- Average low temperature in May: 41.5°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (32.2°F).
Average pressure in May
Duvall, WA
- Average pressure in May: 30.01"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
Duvall, WA
- Average wind speed in May: 3.7mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in May
Duvall, WA
- Average humidity in May: 77%
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is July (71%).
Average rainfall in May
Duvall, WA
- Average rainfall in May: 0.94"
The wettest month (with the highest rainfall) is December (2.6").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in May
Duvall, WA
- Average rainfall days in May: 10.8 days
The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in May
Duvall, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Duvall, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.7 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
Duvall, 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: 8h and 5min
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 54min).
Average sunshine days in May
Duvall, WA
- Average sunshine days in May: 17.1 days
The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in May
Duvall, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Duvall, WA
- Average cloud cover in May: 46
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Duvall, WA
- Average visibility in May: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Duvall, Washington, USA
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