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, Welches experiences a temperature shift, with the average high-temperature moving from a cool 50.5°F (10.3°C) in April to a refreshing 60.3°F (15.7°C). In Welches, May is marked by an average low-temperature of 39.9°F (4.4°C).Humidity
In May, the average relative humidity is 73%.Rainfall
In Welches, in May, during 11.1 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Welches, during the entire year, the rain falls for 111.1 days and collects up to 36.93" (938mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In Welches, in May, during 3.8 snowfall days, 2.83" (72mm) of snow is typically accumulated. In Welches, during the entire year, snow falls for 102 days and aggregates up to 169.65" (4309mm) of snow.Daylight
In May, the average length of the day in Welches is 14h and 55min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:14 pm. On the last day of May, sunrise is at 5:23 am and sunset at 8:48 pm PDT.
Sunshine
In May, the average sunshine is 9.3h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 4 in May leads to these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May in Welches?
How many days does it rain in May?
How much does it snow in May?
How many hours of daylight does Welches have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Welches have in May?
What is the UV index intensity in May in Welches?
Average temperature in May
Welches, OR
- Average high temperature in May: 60.3°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (35.4°F).
- Average low temperature in May: 39.9°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (26.4°F).
Average pressure in May
Welches, OR
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in May
Welches, OR
- Average wind speed in May: 5.3mph
The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest months (with the lowest average wind speed) are August and September (4.7mph).
Average humidity in May
Welches, OR
- Average humidity in May: 73%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is August (62%).
Average rainfall in May
Welches, OR
- Average rainfall in May: 2.09"
The wettest month (with the highest rainfall) is January (6.5").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in May
Welches, OR
- Average rainfall days in May: 11.1 days
The month with the highest number of rainy days is October (13.8 days).
The month with the least rainy days is July (4.4 days).
Average snowfall in May
Welches, OR
- Average snowfall in May: 2.83"
The month with the highest snowfall is December (37.2").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Welches, OR
- Average snowfall days in May: 3.8 days
The month with the highest number of snowfall days is December (18.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Welches, 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: 9h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 54min).
Average sunshine days in May
Welches, OR
- Average sunshine days in May: 16.7 days
The month with the most sunshine days is July (26.1 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in May
Welches, OR
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in May
Welches, OR
- Average cloud cover in May: 44
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in May
Welches, OR
- Average visibility in May: 5mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Welches, Oregon, USA
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