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Contents
- The climate of Alton
- The best time to visit Alton
- The worst time to visit Alton
- Spring weather in Alton
- Summer weather in Alton
- Autumn weather in Alton
- Winter weather in Alton
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Alton
Alton, located in Kansas, USA, adheres broadly to a Humid subtropical climate, identified by the Köppen climate classification as Cfa. This classification is largely characterized by hot, humid summers and mild to chilly winters, and rainfall is noted throughout the year.
By looking at the year-round climate data, it becomes apparent that Alton experiences marked temperature fluctuations over the course of the year, with a high of 92.5°F (33.6°C) in July and a low of 23.9°F (-4.5°C) in January. Regarding rainfall, the community sees increases during May, with 3.74" (95mm) typically recorded, and decreases during February and November, with 0.67 and 0.75" (19mm) of rainfall respectively.
Relative humidity also exhibits minor variations throughout the year, with the highest average of 69% recorded in both January and December, and the lowest of 58% seen in October. Unsurprisingly, snow isn't a major climatic feature for the area except for the winter months from January to March with January and February witnessing maximum snowfall of 1.69" (43mm) and 2.2" (56mm) respectively.
Daylight hours vary from approximately 9.8 hours in January to a high of 14.9 hours in June, providing long summer days and shorter winter days. Winds moderate throughout the year with the highest average wind speed of 11.7mph (18.8km/h) in April and the lowest of 8.9mph (14.3km/h) in August. On noteworthy factor is the UV index, which reaches 7 during the months from June to July, indicating a high risk of harm from unprotected sun exposure.
By looking at the year-round climate data, it becomes apparent that Alton experiences marked temperature fluctuations over the course of the year, with a high of 92.5°F (33.6°C) in July and a low of 23.9°F (-4.5°C) in January. Regarding rainfall, the community sees increases during May, with 3.74" (95mm) typically recorded, and decreases during February and November, with 0.67 and 0.75" (19mm) of rainfall respectively.
Relative humidity also exhibits minor variations throughout the year, with the highest average of 69% recorded in both January and December, and the lowest of 58% seen in October. Unsurprisingly, snow isn't a major climatic feature for the area except for the winter months from January to March with January and February witnessing maximum snowfall of 1.69" (43mm) and 2.2" (56mm) respectively.
Daylight hours vary from approximately 9.8 hours in January to a high of 14.9 hours in June, providing long summer days and shorter winter days. Winds moderate throughout the year with the highest average wind speed of 11.7mph (18.8km/h) in April and the lowest of 8.9mph (14.3km/h) in August. On noteworthy factor is the UV index, which reaches 7 during the months from June to July, indicating a high risk of harm from unprotected sun exposure.
The best time to visit Alton
Given Alton's climatic conditions, the ideal time to visit can vary depending on visitor preferences. For those who enjoy warm weather and outdoor activities, the summer months from June to August would be the best as temperatures average between 88.5°F (31.4°C) to 92.5°F (33.6°C) and the daylight hours reach up to 14.9 hours. However, the UV index is also at its peak at this time, underscoring the need for sun protection.
The worst time to visit Alton
Considering the colder conditions and less daylight hours, the winter months between December and February could be regarded as the less attractive period for tourists. With temperatures dropping as low as 23.9°F (-4.5°C) in January and limited daylight hours (between 9.8 to 10.7 hours), outdoor activities are significantly limited.
Spring weather in Alton
Spring unfolds in Alton from March to May with a gradual rise in temperature from 56.7°F (13.7°C) in March to 74.3°F (23.5°C) in May. The rainfall increases notably during this season, peaking in May with an average of 3.74" (95mm). Daylight hours too increase, offering between 12 to 14.4 hours from March to May, providing ample opportunities for daytime activities.
Summer weather in Alton
Summer in Alton, from June to August, is characterized by high temperature, with the warmest month being July with an average high of 92.5°F (33.6°C). However, heat is somewhat tempered by the average wind speed ranging from 8.9 to 10.4mph (16.7km/h). Despite high temperatures, this season offers longest daylight hours, enabling tourists to indulge in various outdoor activities.
Autumn weather in Alton
Autumn in Alton ranges from September to November, with temperatures gradually reducing from 81.3°F (27.4°C) in September to 54°F (12.2°C) in November. Rainfall lessens in this season, with November being driest, recording only 0.75" (19mm) of rain. With the declining temperature and rainfall, autumn offers moderate conditions for outdoor pursuits and sightseeing.
Winter weather in Alton
Winters are brisk in Alton, ranging from December to February, with temperatures dipping as low as 23.9°F (-4.5°C) in January. Recorded snowfall also spikes during these months, particularly in January and February, with respective averages of 1.69" (43mm) and 2.2" (56mm). Despite the colder conditions, winter highlights Alton's distinctive charm, adding a distinctly serene atmosphere to the town.
Weather in January
Weather in January in Alton, Kansas is characterized by cold temperatures and relatively low precipitation. In comparison to December, it experiences a minor increase in average daily temperatures with the highest recorded at 39.9°F (4.4°C), and the lowest being 23.9°F (-4.5°C). Weather in January »
Weather in February
As Alton, Kansas enters February, a slight increase in temperatures can be seen. This rise remains marginal, indicating the sturdy grip of Winter which is still much in evidence. February appears to be a wintry blend of snow and rain with 2.2" (56mm) of snowfall and 0.67" (17mm) of rainfall. Weather in February »
Weather in March
The first month of the spring, March, is a mild month in Alton, Kansas, with an average temperature ranging between max 56.7°F (13.7°C) and min 36.9°F (2.7°C). March's onset witnesses a shift in the average high-temperature, moving from a chilly 43.3°F (6.3°C) in February to a mild 56.7°F (13.7°C). Weather in March »
Weather in April
The weather in April brings a noticeable warmth to Alton, Kansas. April sees less of rain, compared to March, presenting a steady decline in precipitation levels. The sunshine hours stretch longer with daylight lasting 13.3 hours on average. Weather in April »
Weather in May
May is a month of refreshing changes for Alton, Kansas, as it brings forth the season's high of 3.74" (95mm) of rainfall, rejuvenating the city's flora and fauna. The temperatures rise considerably, providing for longer days and a balmy climate. Weather in May »
Weather in June
Positioned right in the middle of the year, June treats Alton, Kansas with temperatures peaking at 88.5°F (31.4°C). This is when the city experiences a taste of summer with ample sunshine and long days. The weather takes a complete shift from December, half a year back, transiting from a frosty climate to an enjoyable warmth. Weather in June »
Weather in July
July attributes the title of the hottest month of the year to Alton, Kansas, breaking the temperature record with an impressive 92.5°F (33.6°C). The amount of rainfall witnesses an increment from June, marking 2.24" (57mm). Sun-soaked days, clear skies, and moderately windy conditions make up for a perfect summer. Weather in July »
Weather in August
Alton, Kansas in August remains infused with a summer vibe. Despite a slight drop in temperature from its predecessor month, August holds onto the summer's warmth and continues to be one of the hottest months of the year. Similar to July, the city receives 2.48" (63mm) of rainfall, dispensed through brief showers. Weather in August »
Weather in September
Being the gateway to Autumn, September brings a gentle coolness to Alton, Kansas. However, this doesn't mean a stark drop in temperatures which remain quite favorable for outdoor activities. The township sees a significant decrease in rainfall to 1.42" (36mm) from last month. Weather in September »
Weather in October
October carries forward the mild temperatures from September, introducing a subtle chill to the atmosphere of Alton, Kansas. While the quantity of rainfall remains unchanged from the previous month, the intensity and frequency may fluctuate. Weather in October »
Weather in November
November exhibits a prominent drop in temperatures with a high of 54°F (12.2°C) in Alton, Kansas, hinting at the upcoming winter. The city, which was vibrantly colored by Autumn, now prepares for the arrival of winter blues. Weather in November »
Weather in December
Winter officially arrives in Alton, Kansas as December sets in. Colder than its predecessor month, temperatures drop to a low of 25.5°F (-3.6°C). Alton sees an increase in precipitation marked by both rainfall and snowfall, with 1.14" (29mm) and 1.5" (38mm) respectively. Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Alton?
January proves to be the coldest month in Alton, Kansas, recording an average maximum temperature of 39.9°F (4.4°C) and a minimum temperature of 23.9°F (-4.5°C).
What is the most humid month in Alton?
January and December, with an average relative humidity of 69%, are most humid months in Alton, Kansas.
What is the driest month in Alton?
January is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.59" (15mm) of precipitation.
How much does it rain in Alton?
In Alton, during the entire year, the rain falls for 110.3 days and collects up to 19.76" (502mm) of precipitation.
When does it snow in Alton?
January through May, October through December are months with snowfall.
How many days does it snow in Alton?
In Alton, Kansas, during the entire year, snow falls for 22.6 days and aggregates up to 8.5" (216mm) of snow.
What are the months with the lowest UV index in Alton?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Alton, Kansas.
When does it snow the most in Alton?
The month with the most snowfall in Alton is February, when snow falls for 6.3 days and typically aggregates up to 2.2" (56mm) of snow.
When is Daylight Saving Time (DST) in Alton?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the wettest month in Alton?
The month with the most rainfall in Alton is May, when the rain falls for 14.4 days and typically aggregates up to 3.74" (95mm) of precipitation.
When it does not snow in Alton?
June through September are months without snowfall.
When are the longest days in Alton?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What month has the most sunshine in Alton?
With an average of 11.2h of sunshine, June has the most sunshine of the year in Alton, Kansas.
When is the highest UV index in Alton?
The months with the highest UV index are June and July, with an average maximum UV index of 7.
What are the warmest months in Alton?
The month of July, characterized by an average high of 92.5°F (33.6°C) and a low of 70.5°F (21.4°C), is recognized as the warmest.
What is the least humid month in Alton?
With an average relative humidity of 57%, July is the least humid month.
What is the month with the shortest days in Alton?
December has the shortest days of the year in Alton, with an average of 9h and 24min of daylight.
What is the month with the least sunshine in Alton?
With an average of 6h of sunshine, December has the least sunshine of the year in Alton, Kansas.
Average temperature
Alton, KS
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).
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
Alton, KS
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.9"Hg - Average pressure in May:
29.9"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.14"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
Alton, KS
- Average wind speed in January:
10.1mph - Average wind speed in February:
10.6mph - Average wind speed in March:
11.2mph - Average wind speed in April:
11.7mph - Average wind speed in May:
10.3mph - Average wind speed in June:
10.4mph
- Average wind speed in July:
9.2mph - Average wind speed in August:
8.9mph - Average wind speed in September:
10.1mph - Average wind speed in October:
10.4mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10mph
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
Alton, KS
The months with the highest relative humidity are January and December (69%).
The month with the lowest relative humidity is July (57%).
Average rainfall
Alton, KS
- Average rainfall in January:
0.59" - Average rainfall in February:
0.67" - Average rainfall in March:
1.1" - Average rainfall in April:
1.73" - Average rainfall in May:
3.74" - Average rainfall in June:
2.17"
- Average rainfall in July:
2.24" - Average rainfall in August:
2.48" - Average rainfall in September:
1.42" - Average rainfall in October:
1.73" - Average rainfall in November:
0.75" - Average rainfall in December:
1.14"
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
Alton, KS
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
4.2 days - Average rainfall days in March:
9.4 days - Average rainfall days in April:
11.5 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
13.4 days - Average rainfall days in August:
13.1 days - Average rainfall days in September:
10.4 days - Average rainfall days in October:
8.6 days - Average rainfall days in November:
4.4 days - Average rainfall days in December:
4.3 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
Alton, KS
- Average snowfall in January:
1.69" - Average snowfall in February:
2.2" - Average snowfall in March:
1.26" - Average snowfall in April:
0.35" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
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
Alton, KS
- Average snowfall days in January:
4.9 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
3.1 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.7 days - Average snowfall days in November:
1.9 days - Average snowfall days in December:
4.7 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 / Average sunshine
Alton, KS
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h 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 January:
6h and 1min - Average sunshine in February:
7h and 2min - Average sunshine in March:
7h and 4min - Average sunshine in April:
8h and 5min - Average sunshine in May:
9h and 3min - Average sunshine in June:
11h and 1min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
10h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
7h and 2min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h and 0min
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
Alton, KS
- Average sunshine days in January:
22.6 days - Average sunshine days in February:
18.7 days - Average sunshine days in March:
18.3 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
14.2 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
23.5 days - Average sunshine days in December:
22.2 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
Alton, KS
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
Alton, KS
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
Alton, KS
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
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