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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, in Waltonville, Illinois, is an icy winter month, with temperature in the range of an average low of 25.7°F (-3.5°C) and an average high of 38.8°F (3.8°C). January is the month that records the lowest temperatures, with averages ranging from a high of 38.8°F (3.8°C) to a low of 25.7°F (-3.5°C). Weather in January »
Weather in February
February, the last month of the winter in Waltonville, is a frosty month, with an average temperature ranging between min 29.1°F (-1.6°C) and max 43.5°F (6.4°C). Waltonville, Illinois, experiences an average high-temperature of a frosty 43.5°F (6.4°C) in February, subtly different from January's 38.8°F (3.8°C). Weather in February »
Weather in March
March, the first month of the spring in Waltonville, is a cool month, with temperature in the range of an average high of 55°F (12.8°C) and an average low of 38.8°F (3.8°C). Waltonville's transition into March brings a rise in the average high-temperature, moving from a chilly 43.5°F (6.4°C) in February to a cool 55°F (12.8°C). Weather in March »
Weather in April
April is a comfortable spring month in Waltonville, Illinois, with an average temperature fluctuating between 65.8°F (18.8°C) and 48.4°F (9.1°C). As Waltonville transitions into April, the average high-temperature shows a change, moving from a cool 55°F (12.8°C) in March to an enjoyable 65.8°F (18.8°C). Weather in April »
Weather in May
May, the last month of the spring in Waltonville, is a moderately hot month, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 58.1°F (14.5°C). The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a refreshing 65.8°F (18.8°C) in April to a warm 75.2°F (24°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Waltonville, Illinois, with an average temperature ranging between min 66.6°F (19.2°C) and max 84.4°F (29.1°C). The shift from May to June is marked by an increase in the average high-temperature, moving from a warm 75.2°F (24°C) to a still moderately hot 84.4°F (29.1°C). Weather in June »
Weather in July
July is a hot summer month in Waltonville, Illinois, with an average temperature fluctuating between 68.5°F (20.3°C) and 87.1°F (30.6°C). July, marked by an average high-temperature of 87.1°F (30.6°C) and a low-temperature of 68.5°F (20.3°C), is the warmest month. The heat index for July is computed to be a very hot 102.2°F (39°C). Weather in July »
Weather in August
August, the last month of the summer in Waltonville, is also a moderately hot month, with an average temperature varying between 66°F (18.9°C) and 85.3°F (29.6°C). As Waltonville transitions from July to August, the average high-temperatures adjust to a warm 85.3°F (29.6°C), nearly the same as the previous 87.1°F (30.6°C). Weather in August »
Weather in September
September, the first month of the autumn in Waltonville, is still a warm month, with temperature in the range of an average low of 60.3°F (15.7°C) and an average high of 79.7°F (26.5°C). September's arrival subtly correlates with a reduction in the average high-temperature, down from 85.3°F (29.6°C) in August to a still moderately hot 79.7°F (26.5°C). Weather in September »
Weather in October
October, like September, in Waltonville, Illinois, is another comfortable autumn month, with an average temperature ranging between max 67.3°F (19.6°C) and min 49.3°F (9.6°C). In October, the meteorological conditions alter, with the average high-temperature shifting from a moderately hot 79.7°F (26.5°C) in September to a comfortable 67.3°F (19.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Waltonville, Illinois, with temperature in the range of an average low of 38.3°F (3.5°C) and an average high of 53.2°F (11.8°C). November comes with a decrease in the average high-temperature, falling from a refreshing 67.3°F (19.6°C) in October to a cool 53.2°F (11.8°C). Weather in November »
Weather in December
December, the first month of the winter in Waltonville, is also a frosty month, with an average temperature fluctuating between 43.5°F (6.4°C) and 31.3°F (-0.4°C). Onset of December witnesses a reduction in the average high-temperature, falling from a fresh 53.2°F (11.8°C) in November to a frosty 43.5°F (6.4°C). Weather in December »
Updated: Aug 11, 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?
Waltonville records the coldest temperatures in January, averaging a high of 38.8°F (3.8°C) and a low of 25.7°F (-3.5°C).
How much does it rain?
In Waltonville, during the entire year, the rain falls for 122.7 days and collects up to 18.03" (458mm) of precipitation.
When does it snow in Waltonville?
Months with snowfall are January through April, October through December.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 4.5 days and accumulates 0.71" (18mm) of snow.
How many days does it snow?
In Waltonville, during the entire year, snow falls for 14.5 days and aggregates up to 2.64" (67mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.5h of sunshine.
When is the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
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.
What is the wettest month?
April is the month with the most rainfall. Rain falls for 13.1 days and accumulates 2.56" (65mm) of precipitation.
What is the most humid month in Waltonville?
The most humid month is May, with an average relative humidity of 79%.
When it does not snow?
May through September are months without snowfall.
What is the month with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
With an average of 14h and 48min of daylight, June has the longest days of the year.
What is the hottest time of year?
The highest temperatures are recorded in July, with averages reaching a high of 87.1°F (30.6°C) and a low of 68.5°F (20.3°C).
What month has the most sunshine in Waltonville?
With an average of 10.5h of sunshine, July has the most sunshine of the year.
What is the driest month?
September is the month with the least rainfall. Rain falls for 9 days and accumulates 0.98" (25mm) of precipitation.
What is the least humid month?
With an average relative humidity of 70%, October is the least humid month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 36min of daylight.
Average temperature
Waltonville, IL
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (38.8°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure
Waltonville, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Waltonville, IL
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.7mph - Average wind speed in April:
9.5mph - Average wind speed in May:
8mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.5mph - Average wind speed in October:
8.3mph - Average wind speed in November:
8.8mph - Average wind speed in December:
9mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity
Waltonville, IL
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Waltonville, IL
- Average rainfall in January:
1.06" - Average rainfall in February:
1.26" - Average rainfall in March:
1.54" - Average rainfall in April:
2.56" - Average rainfall in May:
2.05" - Average rainfall in June:
1.61"
- Average rainfall in July:
1.65" - Average rainfall in August:
1.61" - Average rainfall in September:
0.98" - Average rainfall in October:
1.42" - Average rainfall in November:
1.26" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days
Waltonville, IL
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.4 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
12.4 days
- Average rainfall days in July:
13.4 days - Average rainfall days in August:
11.3 days - Average rainfall days in September:
9 days - Average rainfall days in October:
8.3 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
7.8 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.3 days).
Average snowfall
Waltonville, IL
The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Waltonville, IL
- Average snowfall days in January:
4.5 days - Average snowfall days in February:
4.1 days - Average snowfall days in March:
1.6 days - Average snowfall days in April:
0.4 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:
0.2 days - Average snowfall days in November:
0.9 days - Average snowfall days in December:
2.8 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Waltonville, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - 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 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 3min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Waltonville, IL
- Average sunshine days in January:
19.9 days - Average sunshine days in February:
16.2 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
15.1 days
- Average sunshine days in July:
15.5 days - Average sunshine days in August:
16.7 days - Average sunshine days in September:
18.7 days - Average sunshine days in October:
21.3 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
20.3 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is May (13.8 days).
Average UV index
Waltonville, IL
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Waltonville, IL
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility
Waltonville, IL
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).
Waltonville, Illinois, USA
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