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
May's arrival in Alton, Utah, signals a temperature shift, moving from a fresh 50.2°F (10.1°C) in April to a moderate 59.9°F (15.5°C). An average low-temperature of 39.2°F (4°C) is recorded during the nights in May.Humidity
In May, the average relative humidity in Alton is 42%.Rainfall
In May, in Alton, the rain falls for 8.3 days. Throughout May, 1.81" (46mm) of precipitation is accumulated. In Alton, during the entire year, the rain falls for 84.8 days and collects up to 22.05" (560mm) of precipitation.Snowfall
Months with snowfall in Alton are January through May, September through December. May is the last month it regularly snows. During 3.9 snowfall days, in May, Alton aggregates 4.65" (118mm) of snow. In Alton, Utah, during the entire year, snow falls for 66.4 days and aggregates up to 75.08" (1907mm) of snow.Daylight
The average length of the day in May is 14h and 12min.On the first day of May, sunrise is at 6:33 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:44 pm MDT.
Sunshine
The average sunshine in May is 10.8h.UV index
In Alton, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 4 during May morphs into the following directions:
Take precautions - Protection against skin and eye damage is obliged. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the average May temperature in Alton?
What is the average humidity in May in Alton?
How many days does it rain in May in Alton?
What is the last month it snows in Alton?
What is the average length of the day in May in Alton?
When are sunrise and sunset in May in Alton?
How many hours of sunshine does Alton have in May?
What is the UV index reading in May in Alton?
Average temperature in May
Alton, UT
- Average high temperature in May: 59.9°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (32.9°F).
- Average low temperature in May: 39.2°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is December (17.2°F).
Average pressure in May
Alton, UT
- Average pressure in May: 29.86"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Alton, UT
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in May
Alton, UT
- Average humidity in May: 42%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is June (29%).
Average rainfall in May
Alton, UT
- Average rainfall in May: 1.81"
The wettest month (with the highest rainfall) is July (3.98").
The driest month (with the least rainfall) is June (0.39").
Average rainfall days in May
Alton, UT
- Average rainfall days in May: 8.3 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in May
Alton, UT
- Average snowfall in May: 4.65"
The month with the highest snowfall is December (14.06").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Alton, UT
- Average snowfall days in May: 3.9 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Alton, UT
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 10h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in May
Alton, UT
- Average sunshine days in May: 17.9 days
The month with the most sunshine days is June (23.4 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in May
Alton, UT
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Alton, UT
- Average cloud cover in May: 20
The months with the most cloud cover are February and December (Cloud cover 38).
The month with the least cloud cover is June (Cloud cover 10).
Average visibility in May
Alton, UT
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Alton, Utah, USA
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