May weather forecastVantage, WA
May
Weather in May
The last month of the spring, May, is a pleasant month in Vantage, Washington, with an average temperature ranging between max 71.2°F (21.8°C) and min 49.1°F (9.5°C).Temperature
May's arrival sees a rise in the average high-temperature, jumping from April's comfortable 61.3°F (16.3°C) to a pleasant 71.2°F (21.8°C). Compared to daytime temperatures, Vantage's temperature drops significantly, averaging a chilly 49.1°F (9.5°C) during the nights of May.Humidity
In May, the average relative humidity is 48%.Rainfall
In May, the rain falls for 8.2 days. Throughout May, 0.71" (18mm) of precipitation is accumulated. In Vantage, during the entire year, the rain falls for 86.4 days and collects up to 6.38" (162mm) of precipitation.Snowfall
May through August and October are months without snowfall.Daylight
The average length of the day in May is 15h and 5min.On the first day of May in Vantage, sunrise is at 5:42 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:46 pm PDT.
Sunshine
In Vantage, Washington, the average sunshine in May is 11h.UV index
The average daily maximum UV index in May in Vantage is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the UV index of 5 transforms into the following advice:
Take necessary precautions - Defending against sun damage is advocated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Vantage, WA
- Average high temperature in May: 71.2°F
The warmest months (with the highest average high temperature) are July and August (88.3°F).
The month with the lowest average high temperature is December (34.5°F).
- Average low temperature in May: 49.1°F
The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure in May
Vantage, WA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in May
Vantage, WA
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity in May
Vantage, WA
- Average humidity in May: 48%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (37%).
Average rainfall in May
Vantage, WA
- Average rainfall in May: 0.71"
The wettest months (with the highest rainfall) are January and December (0.87").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in May
Vantage, WA
- Average rainfall days in May: 8.2 days
The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in May
Vantage, WA
- Average snowfall in May: 0"
The month with the highest snowfall is December (3.43").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in May
Vantage, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (6.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Vantage, 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: 11h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in May
Vantage, WA
- Average sunshine days in May: 20.9 days
The months with the most sunshine days are July and August (25.8 days).
The month with the least sunshine days is February (16 days).
Average UV index in May
Vantage, WA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Vantage, WA
- Average cloud cover in May: 25
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in May
Vantage, WA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).





