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 brings a slight elevation in the average high-temperature, transitioning from April's refreshing 57°F (13.9°C) to a comfortable 65.8°F (18.8°C). Against the high May temperatures, DuPont records an average drop to a chilly 43.2°F (6.2°C) at night.Humidity
In May, the average relative humidity in DuPont, Washington, is 75%.Rainfall
In DuPont, in May, it is raining for 13.4 days, with typically 1.69" (43mm) of accumulated precipitation. In DuPont, during the entire year, the rain falls for 174.2 days and collects up to 31.06" (789mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in May is 15h and 6min.On the first day of May, sunrise is at 5:53 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:57 pm PDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
In DuPont, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 4 in May leads to these guidelines:
Take precautions - Protection against sun damage is advised. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. 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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May in DuPont?
When are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
DuPont, WA
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in May: 43.2°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is February (34°F).
Average pressure in May
DuPont, WA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in May
DuPont, WA
- Average wind speed in May: 4.2mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in May
DuPont, WA
- Average humidity in May: 75%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
DuPont, WA
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is December (4.96").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in May
DuPont, WA
- Average rainfall days in May: 13.4 days
The month with the highest number of rainy days is March (19.7 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in May
DuPont, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
DuPont, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.8 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
DuPont, WA
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 8h and 4min
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
DuPont, WA
- Average sunshine days in May: 16 days
The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is November (9.1 days).
Average UV index in May
DuPont, 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
DuPont, WA
- Average cloud cover in May: 46
The months with the most cloud cover are January and December (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in May
DuPont, 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 and December (4mi).
DuPont, Washington, USA
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