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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 Donovan, Illinois, is another subzero cold winter month, with an average temperature ranging between min 18.7°F (-7.4°C) and max 30.6°F (-0.8°C). January, with its high-temperature average of 30.6°F (-0.8°C) and a low-temperature average of 18.7°F (-7.4°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Donovan, Illinois, with an average temperature varying between 35.1°F (1.7°C) and 22.5°F (-5.3°C). February registers an average high-temperature of a cold 35.1°F (1.7°C), slightly varied from January's 30.6°F (-0.8°C). Weather in February »
Weather in March
March, the first month of the spring in Donovan, is a chilly month, with an average temperature fluctuating between 33.4°F (0.8°C) and 47.8°F (8.8°C). As March arrives, Donovan's weather shows an increase in high-temperatures, moving from February's wintry 35.1°F (1.7°C) to a chilly 47.8°F (8.8°C). Weather in March »
Weather in April
April is a mild spring month in Donovan, Illinois, with an average temperature fluctuating between 43.7°F (6.5°C) and 59.5°F (15.3°C). An increase in the average high-temperature marks April, moving from March's frosty 47.8°F (8.8°C) to a mild 59.5°F (15.3°C). Weather in April »
Weather in May
May, the last month of the spring in Donovan, is an agreeable month, with an average temperature fluctuating between 71.6°F (22°C) and 54.9°F (12.7°C). May brings a temperature increase, with average high-temperatures moving from April's refreshing 59.5°F (15.3°C) to a pleasant 71.6°F (22°C). Weather in May »
Weather in June
June, the first month of the summer in Donovan, is a warm month, with an average temperature ranging between max 79.3°F (26.3°C) and min 62.6°F (17°C). Donovan's transition into June is noticed by a slight rise in the average high-temperature, advancing from a pleasant 71.6°F (22°C) in May to a warm 79.3°F (26.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Donovan, Illinois, with an average temperature ranging between max 81°F (27.2°C) and min 64.4°F (18°C). In Donovan, July is identified by the highest average temperatures, reaching a peak of 81°F (27.2°C) and a low of 64.4°F (18°C). The heat index in July is appraised at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Donovan, is also a moderately hot month, with temperature in the range of an average high of 79.5°F (26.4°C) and an average low of 62.6°F (17°C). The start of August sees the average high-temperature at a still moderately hot 79.5°F (26.4°C), showing little difference from July's 81°F (27.2°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Donovan, Illinois, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 57°F (13.9°C). The commencement of September introduces an average high-temperature of a still moderately hot 75.2°F (24°C), closely mirroring the preceding month. Weather in September »
Weather in October
October, like September, in Donovan, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 46.8°F (8.2°C) and 62.1°F (16.7°C). October's onset brings a reduction in the average high-temperature, from a warm 75.2°F (24°C) in September to a comfortable 62.1°F (16.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Donovan, Illinois, with an average temperature varying between 47.8°F (8.8°C) and 34.9°F (1.6°C). November's onset brings a slight change in high-temperatures, falling from a refreshing 62.1°F (16.7°C) in October to a frosty 47.8°F (8.8°C). Weather in November »
Weather in December
December, the first month of the winter in Donovan, is also an icy month, with an average temperature fluctuating between 26.4°F (-3.1°C) and 36.5°F (2.5°C). The arrival of December corresponds with a temperature reduction, down from November's chilly 47.8°F (8.8°C) to an icy 36.5°F (2.5°C). Weather in December »
Updated: Aug 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 month is the coldest?
January, marked by an average high-temperature of 30.6°F (-0.8°C) and a low-temperature of 18.7°F (-7.4°C), is the coldest month.
How much does it rain?
In Donovan, during the entire year, the rain falls for 136.7 days and collects up to 19.72" (501mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 10.5 days and typically aggregates up to 2.56" (65mm) of snow.
How many days does it snow?
Throughout the year, there are 32.9 snowfall days, and 9.17" (233mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 3.9h of sunshine, January has the least sunshine of the year.
What is the driest month?
The month with the least rainfall is February, when the rain falls for 6.3 days and typically collects 0.98" (25mm) 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.
What is the rainiest month?
May is the month with the most rainfall. Rain falls for 17.4 days and accumulates 2.83" (72mm) of precipitation.
When it does not snow?
May through October are months without snowfall.
When are the longest days in Donovan?
With an average of 15h and 6min of daylight, June has the longest days of the year.
What month has the most sunshine in Donovan?
June has the most sunshine of the year, with an average of 9.9h of sunshine.
What are the months with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What are the warmest months?
July is Donovan's warmest month, registering average high temperatures of 81°F (27.2°C) and lows of 64.4°F (18°C).
What is the most humid month?
With an average relative humidity of 85%, July is the most humid month.
What is the least humid month?
October is the least humid month, with an average relative humidity of 71%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
When is the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Donovan, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure
Donovan, IL
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"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:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Donovan, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.8mph - Average wind speed in April:
10.2mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.2mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Donovan, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Donovan, IL
- Average rainfall in January:
1.02" - Average rainfall in February:
0.98" - Average rainfall in March:
1.61" - Average rainfall in April:
2.32" - Average rainfall in May:
2.83" - Average rainfall in June:
2.32"
- Average rainfall in July:
2.09" - Average rainfall in August:
1.77" - Average rainfall in September:
1.18" - Average rainfall in October:
1.42" - Average rainfall in November:
1.14" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days
Donovan, IL
- Average rainfall days in January:
6.2 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
13.2 days - Average rainfall days in September:
10.7 days - Average rainfall days in October:
10.6 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (6.2 days).
Average snowfall
Donovan, IL
The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Donovan, IL
- Average snowfall days in January:
10.5 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
4.7 days - Average snowfall days in April:
0.8 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:
2.4 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Donovan, 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 2min
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 18min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Donovan, IL
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
10.5 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
17 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
18.3 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.1 days).
Average UV index
Donovan, IL
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Donovan, IL
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility
Donovan, 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).
Donovan, Illinois, USA
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