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 shift into May is characterized by a rise in the average high-temperature, transitioning from April's cold 42.4°F (5.8°C) to a fresh 54.5°F (12.5°C). During May, an average low-temperature of 33.4°F (0.8°C) is observed in Clayton.Humidity
In May, the average relative humidity is 61%.Rainfall
In Clayton, in May, it is raining for 9.7 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, in Clayton, Idaho, there are 75.7 rainfall days, and 6.38" (162mm) of precipitation is accumulated.Snowfall
Months with snowfall in Clayton are January through June, September through December. In May, in Clayton, it is snowing for 1.2 days. Throughout May, 0.31" (8mm) of snow is accumulated. In Clayton, during the entire year, snow falls for 51.7 days and aggregates up to 18.62" (473mm) of snow.Daylight
In May, the average length of the day in Clayton is 14h and 48min.On the first day of the month, sunrise is at 6:27 am and sunset at 8:42 pm. On the last day of May, in Clayton, sunrise is at 5:56 am and sunset at 9:14 pm MDT.
Sunshine
In Clayton, the average sunshine in May is 11.1h.UV index
In Clayton, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: An average UV index of 4 in May transforms into this advice:
Exercise prevention - Precautions against solar damage are endorsed. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Clayton?
What is the average humidity in May in Clayton?
How many days does it rain in May in Clayton?
How many days does it snow in May in Clayton?
How many hours of daylight does Clayton have in May?
When are sunrise and sunset in May in Clayton?
How long on average sun shines in May in Clayton?
What is the UV index intensity in May in Clayton?
Average temperature in May
Clayton, 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
Clayton, 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
Clayton, 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
Clayton, 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
Clayton, 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
Clayton, 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
Clayton, 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
Clayton, 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
Clayton, 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
Clayton, 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
Clayton, 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
Clayton, 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
Clayton, 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).
Clayton, Idaho, USA
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