May weather forecastHood River, OR
May
Weather in May
May experiences considerably warmer weather with an average rise in maximum temperatures. The month ushers in more daylight and consequently, the UV index begins to rise. An optimal time for outdoor activities, provided adequate protection from sunburn. Cooler evenings and less humidity make for comfortable nights. This month marks a drastic decrease in rainfall, from 2.52" (64mm) in April to just 1.69" (43mm).Temperature
The shift from April to May is marked by an increase in the average high-temperature, moving from a cool 52.3°F (11.3°C) to an enjoyable 62.4°F (16.9°C). May brings an average low-temperature of 40.8°F (4.9°C) to Hood River.Humidity
In May, the average relative humidity is 70%.Rainfall
In Hood River, in May, it is raining for 12.8 days, with typically 1.69" (43mm) of accumulated precipitation. In Hood River, during the entire year, the rain falls for 159.7 days and collects up to 31.42" (798mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May is 14h and 57min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:14 pm. On the last day of May, sunrise is at 5:19 am and sunset at 8:47 pm PDT.
Sunshine
The average sunshine in May is 9.8h.UV index
In Hood River, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Hood River, OR
- Average high temperature in May: 62.4°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in May: 40.8°F
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in May
Hood River, OR
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in May
Hood River, OR
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity in May
Hood River, OR
- Average humidity in May: 70%
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is July (59%).
Average rainfall in May
Hood River, OR
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is January (5.67").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in May
Hood River, OR
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (4.2 days).
Average snowfall in May
Hood River, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Hood River, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (4.1 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
Hood River, 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 48min).
- Average sunshine in May: 9h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Hood River, OR
- Average sunshine days in May: 15.6 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in May
Hood River, 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 and November (UV index 1).
Average cloud cover in May
Hood River, OR
- Average cloud cover in May: 40
The months with the most cloud cover are January and February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in May
Hood River, OR
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).
