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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, the same as December, in Ohio, Illinois, is another subzero cold winter month, with an average temperature varying between 15.6°F (-9.1°C) and 27.5°F (-2.5°C). Ohio's temperature records reveal January as the coldest month, marked by average highs of 27.5°F (-2.5°C) and lows of 15.6°F (-9.1°C). Weather in January »
Weather in February
February, the last month of the winter in Ohio, is an icy month, with an average temperature varying between 19.2°F (-7.1°C) and 32°F (0°C). An average high-temperature of an icy 32°F (0°C) marks February, exhibiting a close resemblance to the conditions in January. Weather in February »
Weather in March
March, the first month of the spring in Ohio, is a frosty month, with an average temperature fluctuating between 46°F (7.8°C) and 31.6°F (-0.2°C). The transition from February to March brings a temperature rise, with average high-temperatures increasing from a cold 32°F (0°C) to a frosty 46°F (7.8°C). Weather in March »
Weather in April
April in Ohio, Illinois, is a moderate spring month, with temperature in the range of an average low of 41.9°F (5.5°C) and an average high of 58.1°F (14.5°C). April's arrival is marked by an increase in the average high-temperature, moving from a chilly 46°F (7.8°C) in March to a moderate 58.1°F (14.5°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Ohio, Illinois, with an average temperature ranging between min 53.1°F (11.7°C) and max 70°F (21.1°C). May brings a rise in the average high-temperature, transitioning from April's refreshing 58.1°F (14.5°C) to an agreeable 70°F (21.1°C). Weather in May »
Weather in June
June, the first month of the summer in Ohio, is a warm month, with an average temperature fluctuating between 78.4°F (25.8°C) and 61.3°F (16.3°C). June witnesses a subtle temperature ascent, adjusting from an agreeable 70°F (21.1°C) in May to a warm 78.4°F (25.8°C). Weather in June »
Weather in July
July, like June, in Ohio, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 80.2°F (26.8°C) and 64.2°F (17.9°C). The month of July, characterized by an average high of 80.2°F (26.8°C) and a low of 64.2°F (17.9°C), is recognized as the warmest. Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Ohio, Illinois, with an average temperature ranging between max 79.5°F (26.4°C) and min 62.1°F (16.7°C). Ohio ushers in August with an average high-temperature of a still moderately hot 79.5°F (26.4°C), showing a close resemblance to the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Ohio, Illinois, with an average temperature fluctuating between 55.8°F (13.2°C) and 74.3°F (23.5°C). The transition into September marks the average high-temperature at a still warm 74.3°F (23.5°C), differing minimally from August's 79.5°F (26.4°C). Weather in September »
Weather in October
October, like September, in Ohio, Illinois, is another refreshing autumn month, with an average temperature ranging between max 61°F (16.1°C) and min 45°F (7.2°C). As September transitions to October, the average high-temperature falls from a warm 74.3°F (23.5°C) to a comfortable 61°F (16.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Ohio, Illinois, with an average temperature ranging between max 46.2°F (7.9°C) and min 32.9°F (0.5°C). As Ohio, Illinois, welcomes November, the average high-temperature witnesses a distinct drop, moving from an enjoyable 61°F (16.1°C) in October to a chilly 46.2°F (7.9°C). Weather in November »
Weather in December
December, the first month of the winter in Ohio, is also a wintry month, with an average temperature fluctuating between 34°F (1.1°C) and 23.9°F (-4.5°C). Ohio's progression into December involves a drop in the average high-temperature, receding from a chilly 46.2°F (7.9°C) in November to a wintry 34°F (1.1°C). 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 month is the coldest in Ohio?
January, with average temperatures reaching a high of 27.5°F (-2.5°C) and a low of 15.6°F (-9.1°C), is the coldest month in Ohio.
What is the driest month in Ohio?
The month with the least rainfall in Ohio is January, when the rain falls for 3.8 days and typically collects 0.55" (14mm) of precipitation.
How many days does it rain in Ohio?
In Ohio, Illinois, during the entire year, the rain falls for 114.5 days and collects up to 12.72" (323mm) of precipitation.
When does it snow in Ohio?
Months with snowfall in Ohio, Illinois, are January through April, October through December.
When does it snow the most in Ohio?
The month with the most snowfall in Ohio is January, when snow falls for 10.1 days and typically aggregates up to 1.57" (40mm) of snow.
How many days does it snow in Ohio?
In Ohio, Illinois, during the entire year, snow falls for 31.5 days and aggregates up to 5.2" (132mm) of snow.
What is the month with the least sunshine in Ohio?
The month with the least sunshine is January, with an average of 3.7h of sunshine.
When is the lowest UV index in Ohio?
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Ohio.
When is Daylight Saving Time (DST) in Ohio?
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 Ohio?
May is the month with the most rainfall in Ohio. Rain falls for 15.3 days and accumulates 2.01" (51mm) of precipitation.
When it does not snow in Ohio?
In Ohio, snow does not fall in May through September.
When are the longest days in Ohio?
With an average of 15h and 6min of daylight, June has the longest days of the year in Ohio, Illinois.
What is the month with the most sunshine in Ohio?
The months with the most sunshine are June through August, with an average of 9.6h of sunshine.
What time of the year is the hottest in Ohio?
Ohio's warmest weather arrives in July, when temperatures average a high of 80.2°F (26.8°C) and a low of 64.2°F (17.9°C).
What is the most humid month in Ohio?
July is the most humid month in Ohio, Illinois, with an average relative humidity of 85%.
What is the month with the highest UV index in Ohio?
The month with the highest UV index in Ohio, Illinois, is July, with an average maximum UV index of 6.
What is the least humid month in Ohio?
October is the least humid month in Ohio, with an average relative humidity of 73%.
What is the month with the shortest days in Ohio?
The month with the shortest days is December, with an average of 9h and 12min of daylight.
Average temperature
Ohio, IL
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.5°F).
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure
Ohio, IL
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"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:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Ohio, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.3mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Ohio, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Ohio, IL
- Average rainfall in January:
0.55" - Average rainfall in February:
0.63" - Average rainfall in March:
0.87" - Average rainfall in April:
1.46" - Average rainfall in May:
2.01" - Average rainfall in June:
1.42"
- Average rainfall in July:
1.34" - Average rainfall in August:
1.02" - Average rainfall in September:
0.94" - Average rainfall in October:
1.14" - Average rainfall in November:
0.71" - Average rainfall in December:
0.63"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days
Ohio, IL
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
4 days - Average rainfall days in March:
9.6 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
13.2 days - Average rainfall days in August:
11.5 days - Average rainfall days in September:
9.1 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
4.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (3.8 days).
Average snowfall
Ohio, IL
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Ohio, IL
- Average snowfall days in January:
10.1 days - Average snowfall days in February:
8.1 days - Average snowfall days in March:
3.6 days - Average snowfall days in April:
0.9 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:
1.8 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Ohio, IL
- Average daylight in January:
9h and 4min - 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 3min - 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 6min).
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 2min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 0min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Ohio, IL
- Average sunshine days in January:
19.2 days - Average sunshine days in February:
17.3 days - Average sunshine days in March:
18.4 days - Average sunshine days in April:
15.1 days - Average sunshine days in May:
13.6 days - Average sunshine days in June:
13.5 days
- Average sunshine days in July:
14.3 days - Average sunshine days in August:
16.1 days - Average sunshine days in September:
19.4 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
20.7 days - Average sunshine days in December:
20.8 days
The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is June (13.5 days).
Average UV index
Ohio, IL
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Ohio, IL
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility
Ohio, IL
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Ohio, Illinois, USA
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