May weather forecastDonald, OR
May
Weather in May
May, the last month of the spring in Donald, is a comfortable month, with an average temperature fluctuating between 66°F (18.9°C) and 43.2°F (6.2°C).Temperature
May's arrival brings a slight change in high-temperatures, adjusting from a mild 58.1°F (14.5°C) in April to a comfortable 66°F (18.9°C). Donald, in the heat of May, registers a significant plunge to a mean of 43.2°F (6.2°C) during the nights.Humidity
The average relative humidity in May is 75%.Rainfall
In May, the rain falls for 14.3 days. Throughout May, 1.73" (44mm) of precipitation is accumulated. In Donald, during the entire year, the rain falls for 173.8 days and collects up to 29.96" (761mm) of precipitation.Snowfall
In Donald, snow does not fall in April through October.Daylight
In May, the average length of the day is 14h and 54min.On the first day of the month, sunrise is at 5:58 am and sunset at 8:18 pm. On the last day of May, sunrise is at 5:27 am and sunset at 8:51 pm PDT.
Sunshine
The average sunshine in May is 8.8h.UV index
In Donald, Oregon, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 4 in May translates into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Donald, OR
- Average high temperature in May: 66°F
The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in May: 43.2°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in May
Donald, OR
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in May
Donald, OR
- Average wind speed in May: 4.2mph
The windiest months (with the highest average wind speed) are January and February (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in May
Donald, OR
- Average humidity in May: 75%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is August (65%).
Average rainfall in May
Donald, OR
- Average rainfall in May: 1.73"
The wettest month (with the highest rainfall) is December (4.49").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in May
Donald, OR
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is March (20.9 days).
The months with the least rainy days are July and August (4.4 days).
Average snowfall in May
Donald, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Donald, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.1 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
Donald, OR
- Average daylight in May: 14h and 54min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in May
Donald, OR
- Average sunshine days in May: 15.6 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (8.3 days).
Average UV index in May
Donald, OR
- 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, November and December (UV index 2).
Average cloud cover in May
Donald, OR
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in May
Donald, OR
- Average visibility in May: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
