May weather forecastWestfir, OR
May
Weather in May
The last month of the spring, May, is a comfortable month in Westfir, Oregon, with an average temperature fluctuating between 37.4°F (3°C) and 61.3°F (16.3°C).Temperature
The embrace of May brings a minor uplift in the average high-temperature, shifting from a cool 52.9°F (11.6°C) in April to an enjoyable 61.3°F (16.3°C). Despite a significant daily temperature range, Westfir's temperature falls to a steady low-temperature average of 37.4°F (3°C) in May.Humidity
In Westfir, the average relative humidity in May is 77%.Rainfall
In May, in Westfir, the rain falls for 15.3 days. Throughout May, 2.24" (57mm) of precipitation is accumulated. In Westfir, Oregon, during the entire year, the rain falls for 160 days and collects up to 37.24" (946mm) of precipitation.Snowfall
In Westfir, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 45min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:13 pm. On the last day of May, sunrise is at 5:30 am and sunset at 8:44 pm PDT.
Sunshine
In Westfir, the average sunshine in May is 8.3h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 4 in May transforms into the following instructions:
Heed the precautions - It is counselled to guard against solar damage. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Westfir, OR
- Average high temperature in May: 61.3°F
The warmest month (with the highest average high temperature) is August (78.3°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in May: 37.4°F
The month with the highest average low temperature is August (45.7°F).
The coldest month (with the lowest average low temperature) is December (29.5°F).
Average pressure in May
Westfir, OR
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in May
Westfir, OR
- Average wind speed in May: 4mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in May
Westfir, OR
- Average humidity in May: 77%
The month with the highest relative humidity is March (86%).
The months with the lowest relative humidity are July and August (66%).
Average rainfall in May
Westfir, OR
- Average rainfall in May: 2.24"
The wettest month (with the highest rainfall) is December (5.83").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in May
Westfir, OR
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is March (19.7 days).
The month with the least rainy days is July (4.5 days).
Average snowfall in May
Westfir, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (9.41").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Westfir, OR
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Westfir, OR
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in May
Westfir, OR
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (9 days).
Average UV index in May
Westfir, OR
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Westfir, OR
- Average cloud cover in May: 49
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in May
Westfir, OR
- Average visibility in May: 4mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, April, May, November and December (4mi).
