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, the average high-temperature slightly shifts from April's fresh 54.5°F (12.5°C) to a refreshing 63.9°F (17.7°C). May in Onaway, Idaho, marked by an average low-temperature of 41.5°F (5.3°C), indicates a large temperature drop from the daytime peak.Humidity
In May, the average relative humidity is 70%.Rainfall
In Onaway, in May, during 16.2 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Onaway, during the entire year, the rain falls for 143.2 days and collects up to 20.51" (521mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Onaway aggregates 0.08" (2mm) of snow. Throughout the year, there are 60.2 snowfall days, and 47.24" (1200mm) of snow is accumulated.Daylight
In Onaway, the average length of the day in May is 15h and 5min.On the first day of May, sunrise is at 5:30 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 4:56 am and sunset at 8:34 pm PDT.
Sunshine
In Onaway, the average sunshine in May is 10.1h.UV index
In May, the average daily maximum UV index in Onaway is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 4 in May translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
How high is the UV index in May in Onaway?
Average temperature in May
Onaway, ID
- Average high temperature in May: 63.9°F
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (34°F).
- Average low temperature in May: 41.5°F
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure in May
Onaway, ID
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in May
Onaway, ID
- Average wind speed in May: 5.1mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity in May
Onaway, ID
- Average humidity in May: 70%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (40%).
Average rainfall in May
Onaway, ID
- Average rainfall in May: 2.28"
The wettest month (with the highest rainfall) is December (2.68").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in May
Onaway, ID
- Average rainfall days in May: 16.2 days
The month with the highest number of rainy days is April (18.1 days).
The months with the least rainy days are July and August (5.9 days).
Average snowfall in May
Onaway, ID
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (12.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Onaway, ID
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (14.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Onaway, ID
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 30min).
Average sunshine days in May
Onaway, ID
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in May
Onaway, ID
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Onaway, ID
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in May
Onaway, ID
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Onaway, Idaho, USA
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