May weather forecastEmerson, OR
May
Weather in May
The last month of the spring, May, is an enjoyable month in Emerson, Oregon, with an average temperature ranging between max 67.3°F (19.6°C) and min 45°F (7.2°C).Temperature
With the onset of May, the average high-temperature slightly shifts from April's moderate 57.4°F (14.1°C) to a comfortable 67.3°F (19.6°C). Against the backdrop of high daytime temperatures, an average low-temperature of 45°F (7.2°C) is noted during May nights.Humidity
In Emerson, the average relative humidity in May is 59%.Rainfall
In May, the rain falls for 8.1 days. Throughout May, 0.79" (20mm) of precipitation is accumulated. Throughout the year, there are 112.2 rainfall days, and 10.91" (277mm) of precipitation is accumulated.Snowfall
In Emerson, snow does not fall in April through October.Daylight
In May, the average length of the day is 14h and 56min.On the first day of the month, sunrise is at 5:50 am and sunset at 8:11 pm. On the last day of May, sunrise is at 5:18 am and sunset at 8:45 pm PDT.
Sunshine
In May, the average sunshine is 11.1h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 5 in May suggests the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Emerson, OR
- Average high temperature in May: 67.3°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (37.4°F).
- Average low temperature in May: 45°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in May
Emerson, OR
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).
Average wind speed in May
Emerson, OR
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5mph).
Average humidity in May
Emerson, OR
- Average humidity in May: 59%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (46%).
Average rainfall in May
Emerson, OR
- Average rainfall in May: 0.79"
The wettest month (with the highest rainfall) is January (1.93").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in May
Emerson, OR
- Average rainfall days in May: 8.1 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (2.9 days).
Average snowfall in May
Emerson, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Emerson, OR
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are February and December (3.9 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
Emerson, 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: 11h and 6min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
Emerson, OR
- Average sunshine days in May: 20.4 days
The month with the most sunshine days is July (27 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in May
Emerson, OR
- Average UV index in May: 5
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
Emerson, OR
- Average cloud cover in May: 25
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in May
Emerson, 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).





