May weather forecastLetha, ID
May
Weather in May
May, the last month of the spring in Letha, is a pleasant month, with an average temperature varying between 45°F (7.2°C) and 69.4°F (20.8°C).Temperature
The commencement of May sees a shift in the average high-temperature, moving from a mild 58.8°F (14.9°C) in April to an agreeable 69.4°F (20.8°C). Letha's May nights represent a significant downturn from the day's heat, with an average temperature of 45°F (7.2°C).Humidity
In May, the average relative humidity is 52%.Rainfall
In Letha, in May, during 8.6 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, there are 91.7 rainfall days, and 10.28" (261mm) of precipitation is accumulated.Snowfall
In Letha, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 46min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:50 pm. On the last day of May, sunrise is at 6:07 am and sunset at 9:21 pm MDT.
Sunshine
In May, the average sunshine is 11h.UV index
In Letha, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 5 in May leads to these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Letha, ID
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is December (34.9°F).
- Average low temperature in May: 45°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (22.8°F).
Average pressure in May
Letha, ID
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in May
Letha, ID
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in May
Letha, ID
- Average humidity in May: 52%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in May
Letha, ID
- Average rainfall in May: 0.91"
The wettest month (with the highest rainfall) is March (1.54").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in May
Letha, ID
- Average rainfall days in May: 8.6 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is July (3.2 days).
Average snowfall in May
Letha, ID
- Average snowfall in May: 0"
The month with the highest snowfall is December (4.33").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Letha, ID
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (7.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Letha, ID
- Average daylight in May: 14h and 48min
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: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Letha, ID
- Average sunshine days in May: 21.3 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (15.3 days).
Average UV index in May
Letha, ID
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Letha, ID
- Average cloud cover in May: 23
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in May
Letha, ID
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).





