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
As May begins, there is an increase in the average high-temperature, moving from a chilly 49.8°F (9.9°C) in April to a refreshing 61.2°F (16.2°C). The May nights bear witness to a significant drop from the daytime highs, settling at an average temperature of 37°F (2.8°C).Humidity
The average relative humidity in May in Clifton is 60%.Rainfall
In May, the rain falls for 16.5 days. Throughout May, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 127.4 rainfall days, and 18.27" (464mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 0.6 snowfall days, in May, Clifton aggregates 0.39" (10mm) of snow. In Clifton, during the entire year, snow falls for 83.8 days and aggregates up to 60.12" (1527mm) of snow.Daylight
In May, the average length of the day is 14h and 36min.On the first day of the month, sunrise is at 6:22 am and sunset at 8:27 pm. On the last day of May, sunrise is at 5:54 am and sunset at 8:57 pm MDT.
Sunshine
The average sunshine in May is 10.7h.UV index
In Clifton, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 4 in May translates into this advice:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures 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 are sunrise and sunset in May in Clifton?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Clifton, ID
- Average high temperature in May: 61.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (28.8°F).
- Average low temperature in May: 37°F
The month with the highest average low temperature is July (53.8°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in May
Clifton, ID
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Clifton, ID
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in May
Clifton, ID
- Average humidity in May: 60%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (38%).
Average rainfall in May
Clifton, ID
- Average rainfall in May: 2.17"
The wettest month (with the highest rainfall) is February (2.24").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in May
Clifton, ID
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is July (5.5 days).
Average snowfall in May
Clifton, ID
- Average snowfall in May: 0.39"
The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Clifton, ID
- Average snowfall days in May: 0.6 days
The months with the highest number of snowfall days are January and February (17.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Clifton, ID
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 10h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in May
Clifton, ID
- Average sunshine days in May: 10.1 days
The month with the most sunshine days is July (21.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in May
Clifton, ID
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Clifton, ID
- Average cloud cover in May: 27
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in May
Clifton, 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, February and December (4mi).
Clifton, Idaho, USA
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