May weather forecastBrownstown, WA
May
Weather in May
The last month of the spring, May, is a refreshing month in Brownstown, Washington, with an average temperature fluctuating between 65.8°F (18.8°C) and 44.1°F (6.7°C).Temperature
With the onset of May, Brownstown experiences a temperature shift, with the average high-temperature moving from a fresh 55.2°F (12.9°C) in April to a refreshing 65.8°F (18.8°C). A sharp divergence from daytime highs is noted during the month of May, with the average nighttime temperature settling at a frosty 44.1°F (6.7°C).Humidity
In May, the average relative humidity in Brownstown, Washington, is 57%.Rainfall
In Brownstown, during May, the rain falls for 10.3 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Brownstown, during the entire year, the rain falls for 112.8 days and collects up to 10.28" (261mm) of precipitation.Snowfall
In Brownstown, snow does not fall in May through August and October.Daylight
In Brownstown, the average length of the day in May is 15h and 1min.On the first day of May, sunrise is at 5:46 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:46 pm PDT.
Sunshine
In Brownstown, the average sunshine in May is 11.3h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 in May translates into these instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. 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
Brownstown, WA
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is August (83.1°F).
The month with the lowest average high temperature is December (35.2°F).
- Average low temperature in May: 44.1°F
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in May
Brownstown, WA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in May
Brownstown, WA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).
Average humidity in May
Brownstown, WA
- Average humidity in May: 57%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (43%).
Average rainfall in May
Brownstown, WA
- Average rainfall in May: 0.98"
The wettest month (with the highest rainfall) is January (1.61").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in May
Brownstown, WA
- Average rainfall days in May: 10.3 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is July (3.1 days).
Average snowfall in May
Brownstown, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in May
Brownstown, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Brownstown, 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: 11h and 18min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in May
Brownstown, WA
- Average sunshine days in May: 17.6 days
The month with the most sunshine days is July (25.9 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in May
Brownstown, WA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Brownstown, WA
- Average cloud cover in May: 23
The month with the most cloud cover is January (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in May
Brownstown, 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).
