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 start of May brings a subtle shift in the average high-temperature, edging up from April's refreshing 56.7°F (13.7°C) to an enjoyable 65.3°F (18.5°C). The temperature lowers to an average of 44.4°F (6.9°C) during May nights.Humidity
In May, the average relative humidity is 74%.Rainfall
In Tukwila, Washington, in May, it is raining for 12.3 days, with typically 1.06" (27mm) of accumulated precipitation. In Tukwila, Washington, during the entire year, the rain falls for 138.2 days and collects up to 14.09" (358mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Tukwila, the average length of the day in May is 15h and 8min.On the first day of the month, sunrise is at 5:50 am and sunset at 8:21 pm. On the last day of May, sunrise is at 5:15 am and sunset at 8:57 pm PDT.
Sunshine
In May, the average sunshine in Tukwila, Washington, is 9h.UV index
In Tukwila, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Tukwila?
What is the average humidity in May in Tukwila?
How many days does it rain in May in Tukwila?
When it does not snow in Tukwila?
How many hours of daylight does Tukwila have in May?
What time are sunrise and sunset in May in Tukwila?
How long on average sun shines in May in Tukwila?
How high is the UV index in May in Tukwila?
Average temperature in May
Tukwila, WA
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in May: 44.4°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in May
Tukwila, WA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in May
Tukwila, WA
- Average wind speed in May: 4.1mph
The windiest month (with the highest average wind speed) is March (5.3mph).
The calmest months (with the lowest average wind speed) are July and August (3.6mph).
Average humidity in May
Tukwila, WA
- Average humidity in May: 74%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (68%).
Average rainfall in May
Tukwila, WA
- Average rainfall in May: 1.06"
The wettest month (with the highest rainfall) is December (2.2").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in May
Tukwila, WA
- Average rainfall days in May: 12.3 days
The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is August (5.7 days).
Average snowfall in May
Tukwila, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Tukwila, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.4 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
Tukwila, 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 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in May
Tukwila, WA
- Average sunshine days in May: 15.8 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (13 days).
Average UV index in May
Tukwila, WA
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Tukwila, WA
- Average cloud cover in May: 44
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in May
Tukwila, 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).
Tukwila, Washington, USA
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