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
As May arrives, South Colby's weather shows a minor increase in high-temperatures, edging from April's mild 56.7°F (13.7°C) to a comfortable 65.1°F (18.4°C). In May, the nighttime temperature lowers to an average of 45°F (7.2°C).Humidity
The average relative humidity in May is 75%.Rainfall
In South Colby, in May, it is raining for 11.8 days, with typically 0.83" (21mm) of accumulated precipitation. In South Colby, during the entire year, the rain falls for 138.9 days and collects up to 12.24" (311mm) of precipitation.Snowfall
In South Colby, snow does not fall in April through October.Daylight
The average length of the day in May is 15h and 9min.On the first day of May, sunrise is at 5:51 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 8:59 pm PDT.
Sunshine
The average sunshine in May is 9.2h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In May, an average UV index of 4 transforms into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
How many hours of daylight does South Colby have in May?
When are sunrise and sunset in May?
How many hours of sunshine does South Colby have in May?
What is the UV index reading in May in South Colby?
Average temperature in May
South Colby, WA
- Average high temperature in May: 65.1°F
The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (43.2°F).
- Average low temperature in May: 45°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).
Average pressure in May
South Colby, WA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in May
South Colby, WA
- Average wind speed in May: 4.2mph
The windiest month (with the highest average wind speed) is March (5.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in May
South Colby, WA
- Average humidity in May: 75%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
South Colby, WA
- Average rainfall in May: 0.83"
The wettest months (with the highest rainfall) are January and December (2.05").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in May
South Colby, WA
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (5.4 days).
Average snowfall in May
South Colby, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
South Colby, WA
- 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
South Colby, WA
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in May
South Colby, WA
- Average sunshine days in May: 16.4 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in May
South Colby, WA
- 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, November and December (UV index 2).
Average cloud cover in May
South Colby, WA
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in May
South Colby, WA
- 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, March, April, October, November and December (5mi).
South Colby, Washington, USA
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