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Contents
- 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
Weather in January
January, like December, is a freezing cold winter month in Ashton, Illinois, with an average temperature ranging between min 14.7°F (-9.6°C) and max 27°F (-2.8°C). Temperature records mark January as the coldest month, with highs averaging 27°F (-2.8°C) and lows at 14.7°F (-9.6°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Ashton, Illinois, with temperature in the range of an average high of 30.9°F (-0.6°C) and an average low of 18.1°F (-7.7°C). In February, the average high-temperature registers at a still freezing cold 30.9°F (-0.6°C), nearly identical to January's 27°F (-2.8°C). Weather in February »
Weather in March
March, the first month of the spring in Ashton, is a chilly month, with an average temperature ranging between min 30.4°F (-0.9°C) and max 44.4°F (6.9°C). The onset of March marks an increase in the average high-temperature, moving from a freezing cold 30.9°F (-0.6°C) in February to a chilly 44.4°F (6.9°C). Weather in March »
Weather in April
April in Ashton, Illinois, is a moderate spring month, with an average temperature fluctuating between 40.3°F (4.6°C) and 56.8°F (13.8°C). April sees a temperature increase, moving from a chilly 44.4°F (6.9°C) in March to a mild 56.8°F (13.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Ashton, Illinois, with an average temperature fluctuating between 68.9°F (20.5°C) and 52°F (11.1°C). May's onset is marked by a temperature increase, moving from a mild 56.8°F (13.8°C) in April to a pleasant 68.9°F (20.5°C). Weather in May »
Weather in June
June, the first month of the summer in Ashton, is a moderately hot month, with an average temperature ranging between min 60.4°F (15.8°C) and max 77.5°F (25.3°C). As May transitions into June, Ashton notices a gentle rise in the average high-temperature, transitioning from a pleasant 68.9°F (20.5°C) to a warm 77.5°F (25.3°C). Weather in June »
Weather in July
July, like June, in Ashton, Illinois, is another warm summer month, with an average temperature fluctuating between 63.1°F (17.3°C) and 79.9°F (26.6°C). July is the warmest month, exhibiting average temperatures of 79.9°F (26.6°C) at the peak and 63.1°F (17.3°C) at the base. Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Ashton, Illinois, with an average temperature fluctuating between 61.2°F (16.2°C) and 78.3°F (25.7°C). The advent of August denotes an average high-temperature of a still moderately hot 78.3°F (25.7°C), subtly different from July's 79.9°F (26.6°C). Weather in August »
Weather in September
September, the first month of the autumn in Ashton, is also a moderately hot month, with an average temperature ranging between min 54.5°F (12.5°C) and max 73.4°F (23°C). Ashton experiences a transition to a still warm 73.4°F (23°C) in average high-temperatures with the arrival of September, not greatly differing from August's 78.3°F (25.7°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Ashton, Illinois, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 59.9°F (15.5°C). During the transition into October, Ashton observes a decrease in the average high-temperature, falling from a warm 73.4°F (23°C) in September to a refreshing 59.9°F (15.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Ashton, is also a frosty month, with temperature in the range of an average low of 32.2°F (0.1°C) and an average high of 45.3°F (7.4°C). Ashton's November weather is characterized by a distinct downswing in high-temperatures, falling from October's refreshing 59.9°F (15.5°C) to a frosty 45.3°F (7.4°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Ashton, Illinois, with an average temperature fluctuating between 22.8°F (-5.1°C) and 32.9°F (0.5°C). A shift in Ashton's weather is observed as November turns into December, with the average high temperature reducing from a chilly 45.3°F (7.4°C) to a wintry 32.9°F (0.5°C). Weather in December »
Updated: Jun 22, 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 is the coldest time of year?
Ashton's January weather reaches an average high of 27°F (-2.8°C) and an average low of 14.7°F (-9.6°C), making it the coldest month.
What are the most humid months?
January and July, with an average relative humidity of 85%, are most humid months in Ashton.
How many days does it rain?
In Ashton, during the entire year, the rain falls for 124.5 days and collects up to 14.49" (368mm) of precipitation.
When does it snow?
Months with snowfall are January through April, October through December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 10.3 days and typically aggregates up to 2.2" (56mm) of snow.
How much does it snow?
In Ashton, during the entire year, snow falls for 37.1 days and aggregates up to 6.14" (156mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.6h of sunshine.
What is the month with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
What is the driest month in Ashton?
February is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.55" (14mm) of precipitation.
When is Daylight Saving Time (DST)?
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.
When it does not snow?
In Ashton, snow does not fall in May through September.
When is the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 5.
What is the rainiest month?
The month with the most rainfall is June, when the rain falls for 16 days and typically aggregates up to 2.13" (54mm) of precipitation.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What month has the most sunshine?
With an average of 9.5h of sunshine, June has the most sunshine of the year.
What is the hottest time of year?
July tends to be the warmest month, with temperatures averaging a daily high of 79.9°F (26.6°C) and a low of 63.1°F (17.3°C).
What is the least humid month?
With an average relative humidity of 74%, October is the least humid month.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 12min of daylight.
Average temperature
Ashton, IL
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure
Ashton, IL
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Ashton, IL
- Average wind speed in January:
10mph - Average wind speed in February:
10mph - Average wind speed in March:
9.8mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.7mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.4mph - Average wind speed in October:
9mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Ashton, IL
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Ashton, IL
- Average rainfall in January:
0.63" - Average rainfall in February:
0.55" - Average rainfall in March:
0.79" - Average rainfall in April:
1.5" - Average rainfall in May:
2.09" - Average rainfall in June:
2.13"
- Average rainfall in July:
1.65" - Average rainfall in August:
1.26" - Average rainfall in September:
1.14" - Average rainfall in October:
1.26" - Average rainfall in November:
0.79" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days
Ashton, IL
- Average rainfall days in January:
4.4 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
15.5 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
13.9 days - Average rainfall days in August:
12.4 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is February (3.8 days).
Average snowfall
Ashton, IL
The month with the highest snowfall is January (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Ashton, IL
- Average snowfall days in January:
10.3 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
5 days - Average snowfall days in April:
1 days - Average snowfall days in May:
0 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:
0.5 days - Average snowfall days in November:
3.1 days - Average snowfall days in December:
7.7 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Ashton, IL
- Average daylight in January:
9h and 3min - 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 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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 January:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
9h and 2min - Average sunshine in August:
9h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Ashton, IL
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
15.7 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
14.2 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (10.9 days).
Average UV index
Ashton, IL
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Ashton, IL
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility
Ashton, IL
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Ashton, Illinois, USA
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