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, the average high-temperature slightly shifts from April's frosty 47.8°F (8.8°C) to a moderate 58.3°F (14.6°C). Wallowa receives a consistent average low-temperature of 36°F (2.2°C) in May, a substantial dip from the day's heat.Humidity
The average relative humidity in May is 69%.Rainfall
The month with the most rainfall is May, when the rain falls for 17.3 days and typically aggregates up to 3.07" (78mm) of precipitation.Snowfall
Months with snowfall in Wallowa are January through June, September through December. In Wallowa, Oregon, during May, snow falls for 2.2 days and regularly aggregates up to 0.71" (18mm) of snow. Throughout the year, in Wallowa, there are 89.9 snowfall days, and 68.82" (1748mm) of snow is accumulated.Daylight
In Wallowa, Oregon, the average length of the day in May is 14h and 56min.On the first day of May, sunrise is at 5:36 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:04 am and sunset at 8:31 pm PDT.
Sunshine
The average sunshine in May is 10.3h.UV index
In May, the average daily maximum UV index in Wallowa is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In May, the maximum UV index of 3 translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the temperature in May in Wallowa?
What is the average humidity in May in Wallowa?
What is the rainiest month in Wallowa?
How many days does it rain in May in Wallowa?
How many days does it snow in May in Wallowa?
How many hours of daylight does Wallowa have in May?
When are sunrise and sunset in May in Wallowa?
How long on average sun shines in May in Wallowa?
What is the UV index intensity in May in Wallowa?
Average temperature in May
Wallowa, OR
- Average high temperature in May: 58.3°F
The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in May: 36°F
The month with the highest average low temperature is August (50.9°F).
The coldest month (with the lowest average low temperature) is December (19.2°F).
Average pressure in May
Wallowa, OR
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in May
Wallowa, OR
- Average wind speed in May: 4.6mph
The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in May
Wallowa, OR
- Average humidity in May: 69%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is August (46%).
Average rainfall in May
Wallowa, OR
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is July (0.83").
Average rainfall days in May
Wallowa, OR
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is August (5.8 days).
Average snowfall in May
Wallowa, OR
- Average snowfall in May: 0.71"
The month with the highest snowfall is February (15.98").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Wallowa, OR
- Average snowfall days in May: 2.2 days
The month with the highest number of snowfall days is December (17.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Wallowa, OR
- Average daylight in May: 14h and 5min
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: 10h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Wallowa, OR
- Average sunshine days in May: 10.6 days
The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is March (8 days).
Average UV index in May
Wallowa, OR
- Average UV index in May: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in May
Wallowa, OR
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in May
Wallowa, OR
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Wallowa, Oregon, USA
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