May weather forecastHebo, OR
May
Weather in May
The last month of the spring, May, is a refreshing month in Hebo, Oregon, with an average temperature varying between 45.9°F (7.7°C) and 58.6°F (14.8°C).Temperature
The start of May is characterized by a subtle increase in the average high-temperature, transitioning from a fresh 52.5°F (11.4°C) in April to a mild 58.6°F (14.8°C). The nighttime temperature, during May, averages of 45.9°F (7.7°C).Humidity
With an average relative humidity of 80%, May is the least humid month.Rainfall
In Hebo, in May, it is raining for 10.7 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, in Hebo, there are 137.4 rainfall days, and 15" (381mm) of precipitation is accumulated.Snowfall
In Hebo, Oregon, snow does not fall in April through November.Daylight
The average length of the day in May is 14h and 54min.On the first day of May, sunrise is at 6:02 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:55 pm PDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
In May, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In May, a regular UV index of 3 translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Hebo, OR
- Average high temperature in May: 58.6°F
The warmest month (with the highest average high temperature) is August (68.4°F).
The month with the lowest average high temperature is December (45.5°F).
- Average low temperature in May: 45.9°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (38.7°F).
Average pressure in May
Hebo, OR
- Average pressure in May: 30.05"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is September (30.02"Hg).
Average wind speed in May
Hebo, OR
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in May
Hebo, OR
- Average humidity in May: 80%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is May (80%).
Average rainfall in May
Hebo, OR
- Average rainfall in May: 0.87"
The wettest month (with the highest rainfall) is December (2.68").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in May
Hebo, OR
- Average rainfall days in May: 10.7 days
The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is August (4.3 days).
Average snowfall in May
Hebo, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Hebo, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.2 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
Hebo, 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 30min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Hebo, OR
- Average sunshine days in May: 18.1 days
The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is March (11.4 days).
Average UV index in May
Hebo, OR
- Average UV index in May: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Hebo, OR
- Average cloud cover in May: 46
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 28).
Average visibility in May
Hebo, OR
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).





