May weather forecastPackwood, WA
May
Weather in May
May, the last month of the spring in Packwood, is a mild month, with an average temperature fluctuating between 34.3°F (1.3°C) and 55.6°F (13.1°C).Temperature
Packwood's transition into May brings a rise in the average high-temperature, moving from a frosty 44.4°F (6.9°C) in April to a moderate 55.6°F (13.1°C). Packwood records a consistent low-temperature of 34.3°F (1.3°C) during May nights.Humidity
In Packwood, the average relative humidity in May is 77%.Rainfall
In Packwood, 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
January through July, September through December are months with snowfall. In Packwood, in May, snow falls for 9.8 days, with typically accumulated 8.66" (220mm) of snow. In Packwood, during the entire year, snow falls for 147 days and aggregates up to 210.2" (5339mm) of snow.Daylight
In Packwood, the average length of the day in May is 15h and 3min.On the first day of May, sunrise is at 5:50 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:52 pm PDT.
Sunshine
In Packwood, the average sunshine in May is 9.3h.UV index
In May, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 3 in May translates into these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure in May
Packwood, WA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
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).
Average humidity in May
Packwood, WA
- Average humidity in May: 77%
The month with the highest relative humidity is February (93%).
The months with the lowest relative humidity are July and August (63%).
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").
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).
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").
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).
Average daylight in May /
Average sunshine in May
Packwood, WA
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 9h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The months with the least sunshine are January and February (Average sunshine: 3h and 18min).
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).
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).
The months with the lowest UV index are January, February, November and December (UV index 1).
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).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility in May
Packwood, WA
- Average visibility in May: 5mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).





