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
The beginning of May marks a shift in the average high-temperature, moving from April's cold 42.4°F (5.8°C) to a fresh 54.5°F (12.5°C). May generally records an average low-temperature of 33.4°F (0.8°C).Humidity
The average relative humidity is 61%.Rainfall
In May, during May, the rain falls for 9.7 days and regularly aggregates up to 0.55" (14mm) of precipitation. In May, during the entire year, the rain falls for 75.7 days and collects up to 6.38" (162mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in May. In May, in May, during 1.2 snowfall days, 0.31" (8mm) of snow is typically accumulated. Throughout the year, there are 51.7 snowfall days, and 18.62" (473mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 50min.On the first day of May, sunrise is at 6:24 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 9:13 pm MDT.
Sunshine
In May, the average sunshine is 11.1h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 4 suggests this advice:
Guard yourself - Precautionary measures against sun damage are advocated. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. 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 is the temperature?
What is the average humidity?
How much does it rain?
How many days does it snow?
What is the average length of the day?
When are sunrise and sunset?
How many hours of sunshine does May have?
What is the UV index reading?
Average temperature in May
May, ID
- Average high temperature in May: 54.5°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is December (26.1°F).
- Average low temperature in May: 33.4°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in May
May, ID
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
May, ID
- Average wind speed in May: 5.3mph
The windiest months (with the highest average wind speed) are June and July (5.7mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in May
May, ID
- Average humidity in May: 61%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (38%).
Average rainfall in May
May, ID
- Average rainfall in May: 0.55"
The wettest month (with the highest rainfall) is June (1.1").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in May
May, ID
- Average rainfall days in May: 9.7 days
The month with the highest number of rainy days is June (10.2 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in May
May, ID
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are July and August (0").
Average snowfall days in May
May, ID
- Average snowfall days in May: 1.2 days
The month with the highest number of snowfall days is December (10.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
May, ID
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 11h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in May
May, ID
- Average sunshine days in May: 18.7 days
The month with the most sunshine days is July (24.1 days).
The months with the least sunshine days are March and April (17.2 days).
Average UV index in May
May, ID
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in May
May, ID
- Average cloud cover in May: 26
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in May
May, ID
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
May, Idaho, USA
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