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
May's arrival signals a modest temperature shift, moving from a refreshing 56.8°F (13.8°C) in April to an enjoyable 64.9°F (18.3°C). In Drain, a significant divergence from daytime highs is recorded, with average lows of 40.3°F (4.6°C) during May nights.Humidity
The average relative humidity in May is 78%.Rainfall
In May, the rain falls for 14 days. Throughout May, 1.93" (49mm) of precipitation is accumulated. In Drain, during the entire year, the rain falls for 157.8 days and collects up to 30.63" (778mm) of precipitation.Snowfall
In Drain, snow does not fall in May through October.Daylight
In Drain, the average length of the day in May is 14h and 44min.On the first day of May, sunrise is at 6:04 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:47 pm PDT.
Sunshine
The average sunshine in May is 8.3h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. 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
What are the temperatures in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Drain have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Drain have in May?
How high is the UV index in May?
Average temperature in May
Drain, OR
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is August (80.1°F).
The month with the lowest average high temperature is December (45.9°F).
- Average low temperature in May: 40.3°F
The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (33.4°F).
Average pressure in May
Drain, OR
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in May
Drain, OR
- Average wind speed in May: 3.9mph
The windiest month (with the highest average wind speed) is January (4.5mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in May
Drain, OR
- Average humidity in May: 78%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in May
Drain, OR
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is December (4.61").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in May
Drain, OR
- Average rainfall days in May: 14 days
The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (3.6 days).
Average snowfall in May
Drain, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Drain, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.8 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
Drain, OR
- Average daylight in May: 14h and 4min
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 2min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The months with the least sunshine are February and December (Average sunshine: 4h and 12min).
Average sunshine days in May
Drain, OR
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is July (25.8 days).
The months with the least sunshine days are February and March (9.3 days).
Average UV index in May
Drain, OR
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Drain, OR
- Average cloud cover in May: 51
The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in May
Drain, OR
- Average visibility in May: 4mi
The months with the highest visibility are July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (4mi).
Drain, Oregon, USA
Weather forecast for your location
2. Allow the app to use your location