May weather forecastRosburg, WA
May
Weather in May
May, the last month of the spring in Rosburg, is a refreshing month, with an average temperature varying between 44.6°F (7°C) and 58.8°F (14.9°C).Temperature
With the beginning of May, Rosburg's average high-temperature sees a minor increase, transitioning from a cool 52.5°F (11.4°C) in April to a mild 58.8°F (14.9°C). During May, Rosburg's temperature falls to a steady low-temperature average of 44.6°F (7°C).Humidity
The months with the lowest humidity in Rosburg are May and July, with an average relative humidity of 81%.Rainfall
In Rosburg, in May, during 13.8 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 195.9 rainfall days, and 40.59" (1031mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In Rosburg, the average length of the day in May is 15h and 1min.On the first day of the month, sunrise is at 5:59 am and sunset at 8:24 pm. On the last day of May, sunrise is at 5:25 am and sunset at 8:58 pm PDT.
Sunshine
In May, the average sunshine in Rosburg is 8.1h.UV index
In May, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In May, the UV index of 3 transforms into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rosburg, WA
- Average high temperature in May: 58.8°F
The warmest month (with the highest average high temperature) is August (68.2°F).
The month with the lowest average high temperature is December (44.6°F).
- Average low temperature in May: 44.6°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (37.6°F).
Average pressure in May
Rosburg, WA
- Average pressure in May: 30.05"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.02"Hg).
Average wind speed in May
Rosburg, WA
- Average wind speed in May: 6.1mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in May
Rosburg, WA
- Average humidity in May: 81%
The months with the highest relative humidity are January, February, November and December (85%).
The months with the lowest relative humidity are May and July (81%).
Average rainfall in May
Rosburg, WA
- Average rainfall in May: 2.09"
The wettest month (with the highest rainfall) is December (6.42").
The driest months (with the least rainfall) are July and August (0.55").
Average rainfall days in May
Rosburg, WA
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is December (21.9 days).
The month with the least rainy days is August (7.8 days).
Average snowfall in May
Rosburg, WA
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (0.87").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Rosburg, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Rosburg, 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: 8h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Rosburg, WA
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is August (19.7 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in May
Rosburg, 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 2).
Average cloud cover in May
Rosburg, WA
- Average cloud cover in May: 50
The months with the most cloud cover are January and February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in May
Rosburg, WA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).





