May weather forecast and climate
Packwood, WA

Weather in May

May, the last month of the spring, in Packwood, is a mild month, with average temperature fluctuating between 55.6°F (13.1°C) and 34.3°F (1.3°C).

Temperature

In May, the average high-temperature increases, from a chilly 44.4°F (6.9°C) in April, to a mild 55.6°F (13.1°C). In Packwood, the average low-temperature is 34.3°F (1.3°C).

Humidity

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

Rainfall

In Packwood, Washington, during May, the rain falls for 11.6 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 96.1 rainfall days, and 36.54" (928mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through July, September through December. In May, in Packwood, it is snowing for 9.8 days. Throughout May, 8.66" (220mm) of snow is accumulated. Throughout the year, in Packwood, there are 147 snowfall days, and 210.2" (5339mm) of snow is accumulated.

Daylight

In May, the average length of the day is 15.1h.

Sunshine

The average sunshine in Packwood is 9.3h.

UV index

The average daily maximum UV index in Packwood is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in May in Packwood?

The average relative humidity in May in Packwood is 77%.

How many days does it rain in May in Packwood?

In May, the rain falls for 11.6 days. Throughout May, 2.4" (61mm) of precipitation is accumulated.

How much does it snow in Packwood in May?

In Packwood, Washington, in May, snow falls for 9.8 days, with typically accumulated 8.66" (220mm) of snow.

How many hours of daylight does Packwood have in May?

In Packwood, the average length of the day in May is 15.1h.

How long on average sun shines in May in Packwood?

The average sunshine in May in Packwood is 9.3h.

What is the UV index reading in May in Packwood?

In May, the average daily maximum UV index in Packwood is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in May
Packwood, WA

Average temperature in May - Packwood, WA
  • Average high temperature in May: 55.6°F

The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is December (30.4°F).

  • Average low temperature in May: 34.3°F

The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).

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Average pressure in May
Packwood, WA

Average pressure in May - Packwood, WA
  • Average pressure in May: 29.99"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is August (29.97").

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Average wind speed in May
Packwood, WA

Average wind speed in May - Packwood, WA
  • Average wind speed in May: 4.7mph

The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).

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Average humidity in May
Packwood, WA

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

The month with the highest relative humidity is February (93%).
Months with the lowest relative humidity are July and August (63%).

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Average rainfall in May
Packwood, WA

Average rainfall in May - Packwood, WA
  • Average rainfall in May: 2.4"

The wettest month (with the highest rainfall) is January (6.14").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in May
Packwood, WA

Average rainfall days in May - Packwood, WA
  • Average rainfall days in May: 11.6 days

The month with the highest number of rainy days is October (12.6 days).
The month with the least rainy days is February (4.6 days).

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Average snowfall in May
Packwood, WA

Average snowfall in May - Packwood, WA
  • Average snowfall in May: 8.66"

The month with the highest snowfall is January (41.73").
The month with the least snowfall is August (0").

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Average snowfall days in May
Packwood, WA

Average snowfall days in May - Packwood, WA
  • Average snowfall days in May: 9.8 days

The month with the highest number of snowfall days is March (22.2 days).
The month with the least snowfall days is August (0.3 days).

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

Average daylight in May / Average sunshine in May - Packwood, WA
  • Average daylight in May: 15.1h

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in May: 9.3h

The month with the most sunshine is August (Average sunshine: 11.6h).
Months with the least sunshine are January and February (Average sunshine: 3.3).

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Average sunshine days in May
Packwood, WA

Average sunshine days in May - Packwood, WA
  • Average sunshine days in May: 14.2 days

The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is February (7.8 days).

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Average UV index in May
Packwood, WA

Average UV index in May - Packwood, WA
  • Average UV index in May: 3

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in May
Packwood, WA

Average cloud cover in May - Packwood, WA
  • Average cloud cover in May: 46

The month with the most cloud cover is February (Cloud cover 68).
Months with the least cloud cover are July and August (Cloud cover 21).

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Average visibility in May
Packwood, WA

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

Months with the highest visibility are June, July, August and September (6mi).
Months with the lowest visibility are January, February and December (3mi).

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