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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 Shelbyville, Illinois, is an icy winter month, with temperature in the range of an average high of 34.3°F (1.3°C) and an average low of 21.9°F (-5.6°C). Shelbyville's coldest month, January, registers temperatures that range from a high of 34.3°F (1.3°C) to a low of 21.9°F (-5.6°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Shelbyville, Illinois, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 39.2°F (4°C). February's onset brings an average high-temperature of a still cold 39.2°F (4°C), showing a minute difference from January's 34.3°F (1.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Shelbyville, Illinois, with an average temperature fluctuating between 36.1°F (2.3°C) and 51.3°F (10.7°C). A shift in the average high-temperature is noticeable in March, changing from a cold 39.2°F (4°C) in February to a cool 51.3°F (10.7°C). Weather in March »
Weather in April
April is a refreshing spring month in Shelbyville, Illinois, with an average temperature varying between 62.6°F (17°C) and 46.4°F (8°C). April's arrival signals an increase in average high-temperatures, moving from March's fresh 51.3°F (10.7°C) to a comfortable 62.6°F (17°C). Weather in April »
Weather in May
May, the last month of the spring in Shelbyville, is an agreeable month, with an average temperature fluctuating between 56.7°F (13.7°C) and 73°F (22.8°C). Shelbyville in May experiences an increase in the average high-temperature, moving from April's refreshing 62.6°F (17°C) to a pleasant 73°F (22.8°C). Weather in May »
Weather in June
June, the first month of the summer in Shelbyville, is a moderately hot month, with temperature in the range of an average low of 64.6°F (18.1°C) and an average high of 81.1°F (27.3°C). Shelbyville observes a slight ascent in average high-temperatures during June, adjusting from an agreeable 73°F (22.8°C) in May to a warm 81.1°F (27.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Shelbyville, Illinois, with an average temperature ranging between max 82.8°F (28.2°C) and min 66.2°F (19°C). July registers as the month with the highest average temperatures, reaching 82.8°F (28.2°C) at its peak and 66.2°F (19°C) at the lowest. July's heat index is computed to be a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Shelbyville, is another warm month, with an average temperature varying between 64°F (17.8°C) and 81.7°F (27.6°C). The transition from July to August brings an average high-temperature of a still warm 81.7°F (27.6°C), barely different from July's 82.8°F (28.2°C). Weather in August »
Weather in September
September, the first month of the autumn in Shelbyville, is also a moderately hot month, with temperature in the range of an average low of 58.6°F (14.8°C) and an average high of 77.2°F (25.1°C). September's weather displays an average high-temperature of a still warm 77.2°F (25.1°C), slightly varied from August's 81.7°F (27.6°C). Weather in September »
Weather in October
October, like September, in Shelbyville, Illinois, is another refreshing autumn month, with an average temperature varying between 48.2°F (9°C) and 64.2°F (17.9°C). A decrease in the average high-temperature is observed during October, shifting from a moderately hot 77.2°F (25.1°C) in September to a refreshing 64.2°F (17.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Shelbyville, is also a fresh month, with an average temperature varying between 50.4°F (10.2°C) and 36.5°F (2.5°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from an enjoyable 64.2°F (17.9°C) in October to a cool 50.4°F (10.2°C). Weather in November »
Weather in December
December, the first month of the winter in Shelbyville, is also an icy month, with an average temperature varying between 39.2°F (4°C) and 28.4°F (-2°C). The move into December indicates a reduction in the average high-temperature, down from November's cool 50.4°F (10.2°C) to an icy 39.2°F (4°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Shelbyville?
January, known for its average high temperature of 34.3°F (1.3°C) and an average low temperature of 21.9°F (-5.6°C), is the coldest month in Shelbyville, Illinois.
How much does it rain in Shelbyville?
In Shelbyville, during the entire year, the rain falls for 116.5 days and collects up to 11.54" (293mm) of precipitation.
When does it snow in Shelbyville?
Months with snowfall in Shelbyville, Illinois, are January through March, November and December.
How many days does it snow in Shelbyville?
Throughout the year, in Shelbyville, there are 19 snowfall days, and 2.8" (71mm) of snow is accumulated.
What is the month with the least sunshine in Shelbyville?
The month with the least sunshine is January, with an average of 4.1h of sunshine.
What is the month with the lowest UV index in Shelbyville?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the driest month in Shelbyville?
The month with the least rainfall in Shelbyville, Illinois, is February, when the rain falls for 4.9 days and typically collects 0.55" (14mm) of precipitation.
What is the snowiest month in Shelbyville?
The month with the most snowfall is February, when snow falls for 5.9 days and typically aggregates up to 0.83" (21mm) of snow.
When is Daylight Saving Time (DST) in Shelbyville?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Shelbyville, 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 Shelbyville?
In Shelbyville, snow does not fall in April through October.
What is the rainiest month in Shelbyville?
June is the month with the most rainfall in Shelbyville, Illinois. Rain falls for 12.7 days and accumulates 1.46" (37mm) of precipitation.
When are the longest days in Shelbyville?
The month with the longest days in Shelbyville is June, with an average of 14h and 54min of daylight.
What month has the most sunshine in Shelbyville?
The month with the most sunshine is June, with an average of 10.4h of sunshine.
What is the month with the highest UV index in Shelbyville?
The months with the highest UV index in Shelbyville, Illinois, are June through August, with an average maximum UV index of 6.
What time of the year is the hottest in Shelbyville?
The warmest temperatures in Shelbyville, Illinois, occur during July, when averages reach a peak of 82.8°F (28.2°C) and a low of 66.2°F (19°C).
What is the most humid month in Shelbyville?
With an average relative humidity of 83%, July is the most humid month.
What is the least humid month in Shelbyville?
October is the least humid month, with an average relative humidity of 70%.
What is the month with the shortest days in Shelbyville?
With an average of 9h and 24min of daylight, December has the shortest days of the year in Shelbyville, Illinois.
Average temperature
Shelbyville, IL
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34.3°F).
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure
Shelbyville, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Shelbyville, IL
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity
Shelbyville, IL
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Shelbyville, IL
- Average rainfall in January:
0.71" - Average rainfall in February:
0.55" - Average rainfall in March:
0.87" - Average rainfall in April:
1.3" - Average rainfall in May:
1.26" - Average rainfall in June:
1.46"
- Average rainfall in July:
1.22" - Average rainfall in August:
1.22" - Average rainfall in September:
0.79" - Average rainfall in October:
0.91" - Average rainfall in November:
0.59" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is June (1.46").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days
Shelbyville, IL
- Average rainfall days in January:
5.1 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
10.2 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
12.7 days
- Average rainfall days in July:
13.5 days - Average rainfall days in August:
10.9 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
8.6 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
5.9 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (4.9 days).
Average snowfall
Shelbyville, IL
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Shelbyville, IL
- Average snowfall days in January:
5.5 days - Average snowfall days in February:
5.9 days - Average snowfall days in March:
2.3 days - Average snowfall days in April:
0.2 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 days - Average snowfall days in November:
1.1 days - Average snowfall days in December:
4 days
The month with the highest number of snowfall days is February (5.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Shelbyville, IL
- 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:
4h and 1min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Shelbyville, IL
- Average sunshine days in January:
21.3 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
13.5 days
- Average sunshine days in July:
13.9 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
18.6 days - Average sunshine days in October:
20.9 days - Average sunshine days in November:
20.7 days - Average sunshine days in December:
22.1 days
The month with the most sunshine days is December (22.1 days).
The month with the least sunshine days is June (13.5 days).
Average UV index
Shelbyville, IL
The months with the highest UV index are 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
Shelbyville, IL
The months with the most cloud cover are January and February (Cloud cover 55).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility
Shelbyville, IL
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Shelbyville, Illinois, USA
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