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 sea temperature 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
Mukilteo's transition into May brings a slight rise in the average high-temperature, moving from a fresh 54.9°F (12.7°C) in April to a comfortable 62.6°F (17°C). Nighttime temperature lowers to an average of 45.3°F (7.4°C) in May.Humidity
In Mukilteo, the average relative humidity in May is 76%.Rainfall
In Mukilteo, in May, it is raining for 12.6 days, with typically 1.61" (41mm) of accumulated precipitation. In Mukilteo, during the entire year, the rain falls for 173.1 days and collects up to 26.02" (661mm) of precipitation.Snowfall
May through October are months without snowfall.Ocean temperature
In May, the average ocean temperature is 46.6°F (8.1°C).Note: Engaging in a swim in 46.6°F (8.1°C) can threaten life. Brief exposure to 55.4°F (13°C) waters is uneasy, and submersion below 50°F (10°C) can lead to cold shock and disrupted breathing patterns, varying by individual.
Daylight
The average length of the day in May is 15h and 12min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:22 pm. On the last day of May, sunrise is at 5:14 am and sunset at 9:00 pm PDT.
Sunshine
In May, the average sunshine is 9.4h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In May, the UV index of 4 transforms into the following advice:
Exercise prevention - Warding off sunburn is urged. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures 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?
How cold is the water in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Mukilteo, WA
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in May: 45.3°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (35.4°F).
Average pressure in May
Mukilteo, WA
- Average pressure in May: 30.02"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
Mukilteo, WA
- Average wind speed in May: 4.2mph
The windiest month (with the highest average wind speed) is November (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in May
Mukilteo, WA
- Average humidity in May: 76%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall in May
Mukilteo, WA
- Average rainfall in May: 1.61"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in May
Mukilteo, WA
- Average rainfall days in May: 12.6 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in May
Mukilteo, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Mukilteo, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Mukilteo, WA
- Average sea temperature in May: 46.6°F
The best month for swimming (with the highest average sea temperature) is August (53.5°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).
Average daylight in May /
Average sunshine in May
Mukilteo, WA
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 9h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Mukilteo, WA
- Average sunshine days in May: 15.4 days
The month with the most sunshine days is August (22.6 days).
The month with the least sunshine days is November (9.1 days).
Average UV index in May
Mukilteo, 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
Mukilteo, WA
- Average cloud cover in May: 40
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in May
Mukilteo, WA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Mukilteo, Washington, USA
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