May weather forecastUnion Creek, OR
May
Weather in May
The last month of the spring, May, is a refreshing month in Union Creek, Oregon, with an average temperature varying between 56.1°F (13.4°C) and 35.4°F (1.9°C).Temperature
With the onset of May, Union Creek's average high-temperature sees a rise, moving from April's frosty 46.4°F (8°C) to a refreshing 56.1°F (13.4°C). Throughout May, the nighttime temperature averages to a wintry 35.4°F (1.9°C).Humidity
The average relative humidity in May is 73%.Rainfall
In May, the rain falls for 13.3 days. Throughout May, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 91.3 rainfall days, and 32.95" (837mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Union Creek, in May, snow falls for 8.3 days, with typically accumulated 9.49" (241mm) of snow. In Union Creek, during the entire year, snow falls for 133.6 days and aggregates up to 201.38" (5115mm) of snow.Daylight
The average length of the day in May is 14h and 40min.On the first day of the month, sunrise is at 6:02 am and sunset at 8:11 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:41 pm PDT.
Sunshine
The average sunshine in May is 9.8h.UV index
The average daily maximum UV index in May is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 3 in May translates into these instructions:
Guard yourself - Precautionary measures against sun damage are advocated. It's recommended to limit sun exposure when its radiation is at its peak during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Union Creek, OR
- Average high temperature in May: 56.1°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is December (34.9°F).
- Average low temperature in May: 35.4°F
The month with the highest average low temperature is August (46.8°F).
The coldest month (with the lowest average low temperature) is December (22.6°F).
Average pressure in May
Union Creek, OR
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in May
Union Creek, OR
- Average wind speed in May: 5.3mph
The windiest months (with the highest average wind speed) are January, February and March (6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in May
Union Creek, OR
- Average humidity in May: 73%
The months with the highest relative humidity are January, February and March (87%).
The months with the lowest relative humidity are July and August (57%).
Average rainfall in May
Union Creek, OR
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is January (5.28").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in May
Union Creek, OR
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in May
Union Creek, OR
- Average snowfall in May: 9.49"
The month with the highest snowfall is December (39.72").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Union Creek, OR
- Average snowfall days in May: 8.3 days
The month with the highest number of snowfall days is March (21.5 days).
The month with the least snowfall days is August (0 days).
Average daylight in May /
Average sunshine in May
Union Creek, 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: 9h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in May
Union Creek, OR
- Average sunshine days in May: 13.2 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is March (8.3 days).
Average UV index in May
Union Creek, OR
- Average UV index in May: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Union Creek, OR
- Average cloud cover in May: 41
The month with the most cloud cover is March (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in May
Union Creek, OR
- Average visibility in May: 5mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
