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
Irrigon sees an increase in average high-temperatures during May, moving from a comfortable 62.4°F (16.9°C) in April to a pleasant 72.1°F (22.3°C). Despite the hot May days, Irrigon's nights see an average temperature plunge to a chilly 49.8°F (9.9°C).Humidity
In May, the average relative humidity in Irrigon is 50%.Rainfall
In May, the rain falls for 9.2 days. Throughout May, 0.75" (19mm) of precipitation is accumulated. In Irrigon, during the entire year, the rain falls for 106.1 days and collects up to 7.76" (197mm) of precipitation.Snowfall
In Irrigon, snow does not fall in April through August and October.Daylight
In Irrigon, the average length of the day in May is 14h and 58min.On the first day of the month, sunrise is at 5:43 am and sunset at 8:06 pm. On the last day of May, in Irrigon, sunrise is at 5:11 am and sunset at 8:40 pm PDT.
Sunshine
In Irrigon, the average sunshine in May is 11h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 5 during May translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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 much does it rain in May?
When it does not snow?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Irrigon have in May?
How high is the UV index in May?
Average temperature in May
Irrigon, OR
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (38.7°F).
- Average low temperature in May: 49.8°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).
Average pressure in May
Irrigon, OR
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in May
Irrigon, OR
- Average wind speed in May: 8.2mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is December (6.2mph).
Average humidity in May
Irrigon, OR
- Average humidity in May: 50%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in May
Irrigon, OR
- Average rainfall in May: 0.75"
The wettest month (with the highest rainfall) is March (1.02").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in May
Irrigon, OR
- Average rainfall days in May: 9.2 days
The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is July (3.8 days).
Average snowfall in May
Irrigon, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in May
Irrigon, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (3.2 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Irrigon, OR
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 11h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in May
Irrigon, OR
- Average sunshine days in May: 19.4 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is February (14 days).
Average UV index in May
Irrigon, OR
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Irrigon, OR
- Average cloud cover in May: 26
The months with the most cloud cover are January and December (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in May
Irrigon, OR
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Irrigon, Oregon, USA
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