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
In Letha, the average high-temperature in May rises, from a moderate 58.8°F (14.9°C) in April, to an agreeable 69.4°F (20.8°C). Throughout May, Letha notes a dramatic plunge from the daily high to an average low-temperature of 45°F (7.2°C).Humidity
In May, the average relative humidity is 52%.Rainfall
In Letha, Idaho, in May, during 8.6 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, in Letha, there are 91.7 rainfall days, and 10.28" (261mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Letha.Daylight
In Letha, Idaho, the average length of the day in May is 14h and 46min.On the first day of May in Letha, sunrise is at 6:37 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 9:21 pm MDT.
Sunshine
In Letha, the average sunshine in May is 11h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What is the average May temperature in Letha?
What is the average humidity in May in Letha?
How many days does it rain in May in Letha?
When it does not snow in Letha?
Does it snow in Letha in May?
What is the average length of the day in May in Letha?
When is the sunrise / sunset in May in Letha?
How many hours of sunshine does Letha have in May?
How high is the UV index in May in Letha?
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 5min
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).
Letha, Idaho, USA
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