May weather forecast
Alton, KS

Weather in May

The last month of the spring, May, is a moderately hot month in Alton, Kansas, with an average temperature ranging between max 74.3°F (23.5°C) and min 54.3°F (12.4°C).

Temperature

In Alton, the average high-temperature in May marginally rises from a comfortable 65.5°F (18.6°C) in April to a warm 74.3°F (23.5°C). The average low-temperature, in Alton, is 54.3°F (12.4°C).

Humidity

In Alton, the average relative humidity in May is 67%.

Rainfall

May is the month with the most rainfall. Rain falls for 14.4 days and accumulates 3.74" (95mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, 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

The average length of the day in May is 14h and 22min.
On the first day of May in Alton, sunrise is at 6:36 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

In May, the average sunshine is 9.5h.

UV index

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Alton?

The average relative humidity in May is 67%.

What is the rainiest month in Alton?

May is the month with the most rainfall. Rain falls for 14.4 days and accumulates 3.74" (95mm) of precipitation.

How many days does it rain in May in Alton?

In Alton, Kansas, in May, it is raining for 14.4 days, with typically 3.74" (95mm) of accumulated precipitation.

What is the last month it snows in Alton?

May is the last month it regularly snows in Alton, Kansas. During 0.2 snowfall days, in May, Alton aggregates 0.08" (2mm) of snow.

How many hours of daylight does Alton have in May?

The average day length in May is 14h and 22min.

When is the sunrise / sunset in May in Alton?

On the first day of May in Alton, Kansas, sunrise is at 6:36 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.

How many hours of sunshine does Alton have in May?

The average sunshine duration in May is 9.5h.

What is the UV index reading in May in Alton?

The average daily maximum UV index in May in Alton is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Alton, KS

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).

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Average pressure in May
Alton, KS

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).

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Average wind speed in May
Alton, KS

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).

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Average humidity in May
Alton, KS

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%).

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Average rainfall in May
Alton, KS

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").

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Average rainfall days in May
Alton, KS

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).

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Average snowfall in May
Alton, KS

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").

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Average snowfall days in May
Alton, KS

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).

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Average daylight in May /
Average sunshine in May
Alton, KS

Average daylight in May / Average sunshine in May - Alton, KS
  • Average daylight in May: 14h and 22min

The month with the longest days is June (Average daylight: 14h and 55min).
The month with the shortest days is December (Average daylight: 9h and 26min).

  • Average sunshine in May: 9h and 30min

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).

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Average sunshine days in May
Alton, KS

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).

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Average UV index in May
Alton, KS

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).

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Average cloud cover in May
Alton, KS

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).

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Average visibility in May
Alton, KS

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).

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