May weather forecastKapowsin, WA
May
Weather in May
The last month of the spring, May, is an enjoyable month in Kapowsin, Washington, with an average temperature fluctuating between 62.1°F (16.7°C) and 40.6°F (4.8°C).Temperature
May introduces a marginal temperature uplift, with average high-temperatures adjusting from April's cool 53.2°F (11.8°C) to a comfortable 62.1°F (16.7°C). During the nights in May, an average low-temperature of 40.6°F (4.8°C) is observed.Humidity
In Kapowsin, the average relative humidity in May is 78%.Rainfall
In Kapowsin, in May, it is raining for 14.3 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 182.2 rainfall days, and 37.83" (961mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in May is 15h and 5min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:20 pm. On the last day of May, in Kapowsin, sunrise is at 5:17 am and sunset at 8:55 pm PDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
In Kapowsin, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In May, a daily UV index of 4 turns into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Kapowsin, WA
- Average high temperature in May: 62.1°F
The warmest month (with the highest average high temperature) is August (75°F).
The month with the lowest average high temperature is December (41.2°F).
- Average low temperature in May: 40.6°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).
Average pressure in May
Kapowsin, WA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in May
Kapowsin, WA
- Average wind speed in May: 3.9mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in May
Kapowsin, WA
- Average humidity in May: 78%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is July (70%).
Average rainfall in May
Kapowsin, WA
- Average rainfall in May: 2.24"
The wettest month (with the highest rainfall) is December (5.71").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in May
Kapowsin, WA
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in May
Kapowsin, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.84").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Kapowsin, WA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Kapowsin, WA
- Average daylight in May: 15h and 6min
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: 8h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in May
Kapowsin, WA
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is February (8 days).
Average UV index in May
Kapowsin, 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
Kapowsin, WA
- Average cloud cover in May: 47
The months with the most cloud cover are January, February, March and December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Kapowsin, WA
- Average visibility in May: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
