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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 Harvard, Illinois, is a freezing cold winter month, with an average temperature fluctuating between 13.3°F (-10.4°C) and 25.3°F (-3.7°C). The coldest temperatures occur during January, when averages reach a peak of 25.3°F (-3.7°C) and a low of 13.3°F (-10.4°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Harvard, Illinois, with temperature in the range of an average low of 16.5°F (-8.6°C) and an average high of 29.3°F (-1.5°C). The weather during February records an average high-temperature of a still subzero cold 29.3°F (-1.5°C), closely mirroring the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Harvard, Illinois, with an average temperature ranging between max 43.3°F (6.3°C) and min 28.8°F (-1.8°C). March's onset brings a rise in the average high-temperature, moving from a subzero cold 29.3°F (-1.5°C) in February to a chilly 43.3°F (6.3°C). Weather in March »
Weather in April
April in Harvard, Illinois, is a cool spring month, with temperature in the range of an average low of 38.1°F (3.4°C) and an average high of 54.9°F (12.7°C). April witnesses an increase in the average high-temperature, moving from a frosty 43.3°F (6.3°C) in March to a cool 54.9°F (12.7°C). Weather in April »
Weather in May
May, the last month of the spring in Harvard, is a comfortable month, with an average temperature ranging between max 66.9°F (19.4°C) and min 49.5°F (9.7°C). May's onset brings a rise in the average high-temperature, moving from a fresh 54.9°F (12.7°C) in April to a comfortable 66.9°F (19.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Harvard, Illinois, with an average temperature fluctuating between 76.1°F (24.5°C) and 58.5°F (14.7°C). June indicates a change in the average high-temperature, moving up from a refreshing 66.9°F (19.4°C) in May to a warm 76.1°F (24.5°C). Weather in June »
Weather in July
July, like June, in Harvard, Illinois, is a moderately hot summer month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 62.6°F (17°C). July, recording an average high temperature of 79.3°F (26.3°C) and a low temperature of 62.6°F (17°C), is Harvard's warmest month. Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Harvard, Illinois, with an average temperature fluctuating between 77.5°F (25.3°C) and 60.1°F (15.6°C). As August takes its course, Harvard's average high-temperature registers at a still warm 77.5°F (25.3°C), closely aligning with the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Harvard, is also an agreeable month, with an average temperature fluctuating between 53.6°F (12°C) and 72.1°F (22.3°C). The onset of September brings a small shift in high-temperatures, falling from a moderately hot 77.5°F (25.3°C) in August to a pleasant 72.1°F (22.3°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Harvard, Illinois, with an average temperature fluctuating between 58.5°F (14.7°C) and 42.8°F (6°C). October's arrival comes with a decrease in the average high-temperature, moving from an agreeable 72.1°F (22.3°C) in September to a refreshing 58.5°F (14.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Harvard, is another chilly month, with an average temperature fluctuating between 44.1°F (6.7°C) and 30.6°F (-0.8°C). Harvard's November weather shows a moderate shift in high-temperatures, falling from October's moderate 58.5°F (14.7°C) to a frosty 44.1°F (6.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Harvard, Illinois, with an average temperature varying between 32°F (0°C) and 21.6°F (-5.8°C). The onset of December introduces a moderate change in Harvard's weather, with average high-temperatures falling from November's frosty 44.1°F (6.7°C) to a cold 32°F (0°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Harvard?
In Harvard, January is the month with the lowest recorded average temperatures, measuring a high of 25.3°F (-3.7°C) and a low of 13.3°F (-10.4°C).
What is the most humid month in Harvard?
The most humid month in Harvard, Illinois, is January, with an average relative humidity of 87%.
How much does it rain in Harvard?
In Harvard, during the entire year, the rain falls for 152.8 days and collects up to 26.46" (672mm) of precipitation.
When does it snow in Harvard?
Months with snowfall in Harvard are January through May, October through December.
What is the snowiest month in Harvard?
The month with the most snowfall in Harvard, Illinois, is January, when snow falls for 14.3 days and typically aggregates up to 4.41" (112mm) of snow.
How many days does it snow in Harvard?
Throughout the year, there are 54.4 snowfall days, and 16.93" (430mm) of snow is accumulated.
What is the month with the least sunshine in Harvard?
With an average of 3.5h of sunshine, January has the least sunshine of the year in Harvard, Illinois.
When is the lowest UV index in Harvard?
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Harvard, Illinois.
When is Daylight Saving Time (DST) in Harvard?
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 are the least humid months in Harvard?
The months with the lowest humidity in Harvard, Illinois, are April and October, with an average relative humidity of 77%.
When is the highest UV index in Harvard?
May through August, with an average maximum UV index of 5, are months with the highest UV index in Harvard.
What is the wettest month in Harvard?
The month with the most rainfall in Harvard, Illinois, is June, when the rain falls for 17.9 days and typically aggregates up to 3.58" (91mm) of precipitation.
When it does not snow in Harvard?
In Harvard, snow does not fall in June through September.
When are the longest days in Harvard?
With an average of 15h and 12min of daylight, June has the longest days of the year in Harvard, Illinois.
What are the warmest months in Harvard?
July, known for its average high temperature of 79.3°F (26.3°C) and an average low temperature of 62.6°F (17°C), is the warmest month in Harvard, Illinois.
What month has the most sunshine in Harvard?
With an average of 9.6h of sunshine, July has the most sunshine of the year in Harvard.
What is the driest month in Harvard?
December is the month with the least rainfall. Rain falls for 7.9 days and accumulates 1.3" (33mm) of precipitation.
What is the month with the shortest days in Harvard?
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Harvard, IL
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (25.3°F).
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure
Harvard, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"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:
29.92"Hg
- Average pressure in July:
29.96"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:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Harvard, IL
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.5mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Harvard, IL
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall
Harvard, IL
- Average rainfall in January:
1.38" - Average rainfall in February:
1.34" - Average rainfall in March:
1.54" - Average rainfall in April:
3.07" - Average rainfall in May:
3.03" - Average rainfall in June:
3.58"
- Average rainfall in July:
3.27" - Average rainfall in August:
2.72" - Average rainfall in September:
1.65" - Average rainfall in October:
2.24" - Average rainfall in November:
1.34" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days
Harvard, IL
- Average rainfall days in January:
4.9 days - Average rainfall days in February:
5.6 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
18.2 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
7.9 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (4.9 days).
Average snowfall
Harvard, IL
- Average snowfall in January:
4.41" - Average snowfall in February:
3.98" - Average snowfall in March:
2.01" - Average snowfall in April:
1.77" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Harvard, IL
- Average snowfall days in January:
14.3 days - Average snowfall days in February:
11.5 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.2 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:
0.9 days - Average snowfall days in November:
4.8 days - Average snowfall days in December:
11.6 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Harvard, 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 0min - 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 6min).
- Average sunshine in January:
3h and 3min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 2min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 1min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Harvard, IL
- Average sunshine days in January:
13.4 days - Average sunshine days in February:
11.8 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
9.7 days - Average sunshine days in June:
10 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
11 days - Average sunshine days in September:
15 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
16.3 days - Average sunshine days in December:
14.4 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is May (9.7 days).
Average UV index
Harvard, 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
Harvard, IL
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility
Harvard, IL
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
Harvard, Illinois, USA
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