May weather forecast
Snoqualmie, WA

Weather in May

May, the last month of the spring, in Snoqualmie, is an enjoyable month, with average temperature ranging between max 61.9°F (16.6°C) and min 40.1°F (4.5°C).

Temperature

In Snoqualmie, the average high-temperature rises, from a cool 52.9°F (11.6°C) in April, to a comfortable 61.9°F (16.6°C). The average low-temperature,, is 40.1°F (4.5°C).

Humidity

In May, the average relative humidity in Snoqualmie is 77%.

Rainfall

In Snoqualmie, it is raining for 14.7 days, with typically 1.93" (49mm) of accumulated precipitation. In Snoqualmie, during the entire year, the rain falls for 184.9 days and collects up to 39.96" (1015mm) of precipitation.

Snowfall

In Snoqualmie snow does not fall in May through October.

Daylight

The average length of the day in May is 15.2h.

Sunshine

In Snoqualmie, the average sunshine is 8.6h.

UV index

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in May in Snoqualmie?

The average relative humidity in May in Snoqualmie, Washington, is 77%.

How many days does it rain in May in Snoqualmie?

In Snoqualmie, in May, it is raining for 14.7 days, with typically 1.93" (49mm) of accumulated precipitation.

When it does not snow in Snoqualmie?

In Snoqualmie, Washington, snow does not fall in May through October.

Does it snow in Snoqualmie in May?

In May, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May in Snoqualmie?

In May, the average length of the day in Snoqualmie, Washington, is 15.2h.

How long on average sun shines in May in Snoqualmie?

The average sunshine in May in Snoqualmie, Washington, is 8.6h.

What is the UV index intensity in May in Snoqualmie?

In May, the average daily maximum UV index in Snoqualmie is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in May
Snoqualmie, WA

Average temperature in May - Snoqualmie, WA
  • Average high temperature in May: 61.9°F

The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (39.7°F).

  • Average low temperature in May: 40.1°F

The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (29.8°F).

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Average pressure in May
Snoqualmie, WA

Average pressure in May - Snoqualmie, WA
  • Average pressure in May: 30.01"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is August (29.99").

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Average wind speed in May
Snoqualmie, WA

Average wind speed in May - Snoqualmie, WA
  • Average wind speed in May: 3.5mph

The windiest month (with the highest average wind speed) is January (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).

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Average humidity in May
Snoqualmie, WA

Average humidity in May - Snoqualmie, WA
  • Average humidity in May: 77%

Months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (71%).

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Average rainfall in May
Snoqualmie, WA

Average rainfall in May - Snoqualmie, WA
  • Average rainfall in May: 1.93"

The wettest month (with the highest rainfall) is January (6.1").
The driest months (with the least rainfall) are July and August (0.59").

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Average rainfall days in May
Snoqualmie, WA

Average rainfall days in May - Snoqualmie, WA
  • Average rainfall days in May: 14.7 days

The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (6.4 days).

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Average snowfall in May
Snoqualmie, WA

Average snowfall in May - Snoqualmie, WA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (3.94").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Snoqualmie, WA

Average snowfall days in May - Snoqualmie, WA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (5.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Snoqualmie, WA

Average daylight in May / Average sunshine in May - Snoqualmie, WA
  • Average daylight in May: 15.2h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in May: 8.6h

The month with the most sunshine is August (Average sunshine: 10.6h).
Months with the least sunshine are January and December (Average sunshine: 3.9).

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Average sunshine days in May
Snoqualmie, WA

Average sunshine days in May - Snoqualmie, WA
  • Average sunshine days in May: 13.4 days

The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is February (7.8 days).

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Average UV index in May
Snoqualmie, WA

Average UV index in May - Snoqualmie, WA
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in May
Snoqualmie, WA

Average cloud cover in May - Snoqualmie, WA
  • Average cloud cover in May: 49

Months with the most cloud cover are January, February, March and December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in May
Snoqualmie, WA

Average visibility in May - Snoqualmie, WA
  • Average visibility in May: 5mi

Months with the highest visibility are May, June, July, August, September and October (5mi).
Months with the lowest visibility are January, February, March, April, November and December (4mi).

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