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Snohomish County (Everett)
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United States weather

Weather in Snohomish County, Washington for May 2026

Your guide to Snohomish County weather in May - trends and predictions

    Temperatures

  • The forecast for the upcoming days in Snohomish County predicts a temperature of 19.3 °F, which is slightly above the historical average.

  • In general, the average temperature in Snohomish County at the beginning of May is 16.6 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 16.9 °F by the end of May.

    • Rain 🌧️

  • Snohomish County in May brings notable rainfall, with an average of 17 rainy days and a total precipitation of 89.4 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
14
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/7°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Snohomish County Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
17°
2
Sunny
18°
3
Overcast
17°
4
Light drizzle
16°
5
Light drizzle
16°
6
Light rain shower
17°
7
Overcast
15°
8
Sunny
19°
9
Partly cloudy
20°
10
Partly cloudy
20°
11
Sunny
20°
12
Partly cloudy
22°
13
Sunny
26°
14
Overcast
24°
15
Patchy rain possible
14°
16
Patchy rain possible
15°
17
Patchy rain possible
15°
18
Overcast
19°
19
Patchy rain possible
20°
20
Patchy rain possible
18°
21
Partly cloudy
18°
22
Light rain
13°
23
Overcast
16°
24
Mist
20°
25
Light rain shower
17°
26
Light drizzle
14°
27
Partly cloudy
20°
28
Light rain shower
20°
29
Light rain shower
14°
30
Patchy rain possible
17°
31
Partly cloudy
16°

Temperatures trend during May in Snohomish County

See the weather trend as well as the moving average line

May weather in Snohomish County day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
May 1 Patchy rain possible
Patchy rain possible
 17° /4° 0 mm 4
May 2 Sunny
Sunny
 18° /6° 0.3 mm 6
May 3 Overcast
Overcast
 17° /6° 0.9 mm 4
May 4 Light drizzle
Light drizzle
 16° /7° 0.5 mm 4
May 5 Light drizzle
Light drizzle
 16° /6° 2.1 mm 5
May 6 Light rain shower
Light rain shower
 17° /7° 2.2 mm 5
May 7 Overcast
Overcast
 15° /6° 1.1 mm 4
May 8 Sunny
Sunny
 19° /7° 0 mm 5.4
May 9 Partly cloudy
Partly cloudy
 20° /5° 0 mm 5.6
May 10 Partly cloudy
Partly cloudy
 20° /7° 0 mm 4.3
May 11 Sunny
Sunny
 20° /6° 0 mm 6.3
May 12 Partly cloudy
Partly cloudy
 22° /7° 0 mm 0
May 13 Sunny
Sunny
 26° /10° 0 mm 5
May 14 Overcast
Overcast
 24° /10° 0 mm 4
May 15 Patchy rain possible
Patchy rain possible
 14° /8° 2.5 mm 3
May 16 Patchy rain possible
Patchy rain possible
 15° /6° 0.2 mm 3
May 17 Patchy rain possible
Patchy rain possible
 15° /4° 0.1 mm 2
May 18 Overcast
Overcast
 19° /3° 0 mm 3
May 19 Patchy rain possible
Patchy rain possible
 20° /10° 0.7 mm 3
May 20 Patchy rain possible
Patchy rain possible
 18° /7° 0.3 mm 3
May 21 Partly cloudy
Partly cloudy
 18° /5° 0 mm 4
May 22 Light rain
Light rain
 13° /6° 10.5 mm 3
May 23 Overcast
Overcast
 16° /6° 0 mm 4
May 24 Mist
Mist
 20° /6° 0 mm 5
May 25 Light rain shower
Light rain shower
 17° /7° 7.1 mm 4
May 26 Light drizzle
Light drizzle
 14° /8° 1.5 mm 4
May 27 Partly cloudy
Partly cloudy
 20° /8° 0 mm 6
May 28 Light rain shower
Light rain shower
 20° /10° 3.2 mm 5
May 29 Light rain shower
Light rain shower
 14° /7° 3.7 mm 4
May 30 Patchy rain possible
Patchy rain possible
 17° /6° 0 mm 4
May 31 Partly cloudy
Partly cloudy
 16° /7° 0 mm 5
Next
Important Notice
Our weather forecast for Snohomish County in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Snohomish County forecast closer to your planned date for the most up-to-date weather information.
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Snohomish County in May - FAQ

What are the expected maximum and minimum temperatures in Snohomish County during May?

During May, expect a variety of temperatures with highs around 15° and lows near 7°, suitable for diverse activities and preferences.

How much rainfall should be expected in Snohomish County during May?

Moderate rainfall is anticipated in Snohomish County during May, with a total of 89.4 mm spread over approximately 17 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Snohomish County during May?

The average wind speed in Snohomish County during May is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Snohomish County

Explore the daily rainfall trends and prepare for Snohomish Countys May weather 💧
Typically, Snohomish County has 17 rainy days in May with a total of 89.4 mm of rainfall.

UV exposure in Snohomish County during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Everett
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Location coordinates Where is Snohomish County?

Get accurate weather forecasts for Snohomish County, located at latitude 47.979 and longitude -122.202. Stay updated with localized weather information tailored for Snohomish County.

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