Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
With the onset of May, Eugene experiences a subtle temperature shift, with the average high-temperature moving from a mild 57.9°F (14.4°C) in April to an enjoyable 65.8°F (18.8°C). Contrasted against daytime highs, Eugene records an average nighttime low of 40.6°F (4.8°C) in May.Humidity
The average relative humidity in May is 78%.Rainfall
In Eugene, in May, during 9.5 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, there are 109.9 rainfall days, and 10.08" (256mm) of precipitation is accumulated.Snowfall
In Eugene, snow does not fall in April through November.Daylight
In May, the average length of the day is 14h and 47min.On the first day of May, sunrise is at 6:02 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:48 pm PDT.
Sunshine
In Eugene, the average sunshine in May is 8.2h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 4 in May translates into this advice:
Take precautions - Protection against skin and eye damage is obliged. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Eugene have in May?
How high is the UV index in May?
Average temperature in May
Eugene, OR
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is August (81.3°F).
The month with the lowest average high temperature is December (46.2°F).
- Average low temperature in May: 40.6°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).
Average pressure in May
Eugene, OR
- Average pressure in May: 30.04"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
Eugene, OR
- Average wind speed in May: 4mph
The windiest months (with the highest average wind speed) are January and March (4.5mph).
The calmest months (with the lowest average wind speed) are August and September (3.6mph).
Average humidity in May
Eugene, OR
- Average humidity in May: 78%
The months with the highest relative humidity are January, February, March and December (86%).
The month with the lowest relative humidity is August (68%).
Average rainfall in May
Eugene, OR
- Average rainfall in May: 0.75"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in May
Eugene, OR
- Average rainfall days in May: 9.5 days
The month with the highest number of rainy days is December (13.4 days).
The month with the least rainy days is August (2.5 days).
Average snowfall in May
Eugene, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Eugene, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Eugene, OR
- Average daylight in May: 14h and 5min
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 1min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in May
Eugene, OR
- Average sunshine days in May: 19.2 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in May
Eugene, 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
Eugene, OR
- Average cloud cover in May: 50
The months with the most cloud cover are February and March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in May
Eugene, OR
- Average visibility in May: 4mi
The months with the highest visibility are June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, November and December (4mi).
Eugene, Oregon, USA
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