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 from April to May in Alton sees a slight increase in the average high-temperature, transitioning from a refreshing 65.5°F (18.6°C) to a warm 74.3°F (23.5°C). An average low-temperature of 54.3°F (12.4°C) is noted during the nights in May.Humidity
The average relative humidity in May in Alton, Kansas, is 67%.Rainfall
The month with the most rainfall is May, when the rain falls for 14.4 days and typically aggregates up to 3.74" (95mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Alton. May is the last month it regularly snows. During 0.2 snowfall days, in May, Alton aggregates 0.08" (2mm) of snow. In Alton, Kansas, during the entire year, snow falls for 22.6 days and aggregates up to 8.5" (216mm) of snow.Daylight
In Alton, the average length of the day in May is 14h and 22min.On the first day of May in Alton, sunrise is at 6:35 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:56 pm CDT.
Sunshine
The average sunshine in May in Alton, Kansas, is 9.5h.UV index
In Alton, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: During May, 6 as the daily maximum UV index converts into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Alton?
What is the average humidity in May in Alton?
What is the wettest month 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 long on average sun shines in May in Alton?
What is the UV index reading in May in Alton?
Average temperature in May
Alton, KS
- Average high temperature in May: 74.3°F
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in May
Alton, KS
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Alton, KS
- Average wind speed in May: 10.3mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in May
Alton, KS
- Average humidity in May: 67%
The months with the highest relative humidity are January and December (69%).
The month with the lowest relative humidity is July (57%).
Average rainfall in May
Alton, KS
- Average rainfall in May: 3.74"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in May
Alton, KS
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in May
Alton, KS
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Alton, KS
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Alton, KS
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 9h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in May
Alton, KS
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in May
Alton, KS
- Average UV index in May: 6
The months with the highest UV index are June and 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
Alton, KS
- Average cloud cover in May: 34
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is June (Cloud cover 21).
Average visibility in May
Alton, KS
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Alton, Kansas, USA
Weather forecast for your location
2. Allow the app to use your location