May weather forecastSummer Lake, OR
May
Weather in May
May, the last month of the spring in Summer Lake, is a moderate month, with an average temperature ranging between min 39.7°F (4.3°C) and max 59.9°F (15.5°C).Temperature
May's onset witnesses a shift in the average high-temperature, moving from a fresh 50.2°F (10.1°C) in April to a refreshing 59.9°F (15.5°C). Summer Lake observes an average nighttime low-temperature of 39.7°F (4.3°C) during the month of May.Humidity
In Summer Lake, the average relative humidity in May is 59%.Rainfall
In Summer Lake, in May, it is raining for 12.8 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, in Summer Lake, there are 91.4 rainfall days, and 15.67" (398mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Summer Lake, in May, during 5.1 snowfall days, 4.13" (105mm) of snow is typically accumulated. Throughout the year, there are 95 snowfall days, and 73.15" (1858mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 40min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:04 pm. On the last day of May, sunrise is at 5:27 am and sunset at 8:34 pm PDT.
Sunshine
The average sunshine in May is 11h.UV index
In Summer Lake, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 during May leads to these advisories:
Take necessary precautions - Suggestions to elude sunburn are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Boost your sun resistance with garments that are densely woven yet spacious. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Summer Lake, OR
- Average high temperature in May: 59.9°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (34.5°F).
- Average low temperature in May: 39.7°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (23.7°F).
Average pressure in May
Summer Lake, OR
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in May
Summer Lake, OR
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Summer Lake, OR
- Average humidity in May: 59%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is July (45%).
Average rainfall in May
Summer Lake, OR
- Average rainfall in May: 1.61"
The wettest month (with the highest rainfall) is February (2.13").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in May
Summer Lake, OR
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in May
Summer Lake, OR
- Average snowfall in May: 4.13"
The month with the highest snowfall is February (16.06").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Summer Lake, OR
- Average snowfall days in May: 5.1 days
The month with the highest number of snowfall days is December (16.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Summer Lake, OR
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in May
Summer Lake, OR
- Average sunshine days in May: 16.1 days
The month with the most sunshine days is July (25.1 days).
The month with the least sunshine days is March (11.1 days).
Average UV index in May
Summer Lake, 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, March, November and December (UV index 2).
Average cloud cover in May
Summer Lake, OR
- Average cloud cover in May: 29
The months with the most cloud cover are February and December (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in May
Summer Lake, OR
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
