May weather forecastUnderwood, WA
May
Weather in May
May, the last month of the spring in Underwood, is a comfortable month, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 40.8°F (4.9°C).Temperature
Underwood's May weather brings a rise in high-temperatures, moving from a fresh 52.3°F (11.3°C) in April to a refreshing 62.4°F (16.9°C). Underwood witnesses a consistent average low-temperature of 40.8°F (4.9°C) throughout May.Humidity
In Underwood, the average relative humidity in May is 70%.Rainfall
In Underwood, in May, it is raining for 12.8 days, with typically 1.69" (43mm) of accumulated precipitation. In Underwood, during the entire year, the rain falls for 159.7 days and collects up to 31.42" (798mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day in Underwood is 14h and 57min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:14 pm. On the last day of May, sunrise is at 5:19 am and sunset at 8:48 pm PDT.
Sunshine
In Underwood, the average sunshine in May is 9.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 4 during May, leads to the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Underwood, WA
- Average high temperature in May: 62.4°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in May: 40.8°F
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in May
Underwood, WA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in May
Underwood, WA
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity in May
Underwood, WA
- Average humidity in May: 70%
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is July (59%).
Average rainfall in May
Underwood, WA
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is January (5.67").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in May
Underwood, WA
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (4.2 days).
Average snowfall in May
Underwood, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Underwood, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Underwood, WA
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 9h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Underwood, WA
- Average sunshine days in May: 15.6 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in May
Underwood, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in May
Underwood, WA
- Average cloud cover in May: 40
The months with the most cloud cover are January and February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in May
Underwood, WA
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).
