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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 Fairbury, Illinois, is a freezing cold winter month, with an average temperature fluctuating between 30.6°F (-0.8°C) and 18.5°F (-7.5°C). January, with average temperatures reaching a high of 30.6°F (-0.8°C) and a low of 18.5°F (-7.5°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Fairbury, Illinois, with an average temperature ranging between min 21.7°F (-5.7°C) and max 35.1°F (1.7°C). The beginning of February reveals an average high-temperature of an icy 35.1°F (1.7°C), showing minimal deviation from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Fairbury, Illinois, with an average temperature ranging between max 47.7°F (8.7°C) and min 33.4°F (0.8°C). In Fairbury, stepping into March brings a temperature increase, moving up from February's wintry 35.1°F (1.7°C) to a frosty 47.7°F (8.7°C). Weather in March »
Weather in April
April in Fairbury, Illinois, is a refreshing spring month, with an average temperature varying between 43.9°F (6.6°C) and 59.7°F (15.4°C). With the onset of April, the average high-temperature slightly shifts from March's chilly 47.7°F (8.7°C) to a moderate 59.7°F (15.4°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Fairbury, Illinois, with an average temperature varying between 71.6°F (22°C) and 55°F (12.8°C). In Fairbury, the onset of May comes with an increased average high-temperature, moving from April's refreshing 59.7°F (15.4°C) to an agreeable 71.6°F (22°C). Weather in May »
Weather in June
June, the first month of the summer in Fairbury, is a moderately hot month, with an average temperature ranging between max 79.3°F (26.3°C) and min 62.8°F (17.1°C). June sees a marginal temperature increase, moving from a pleasant 71.6°F (22°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »
Weather in July
July, like June, in Fairbury, Illinois, is another warm summer month, with temperature in the range of an average high of 80.8°F (27.1°C) and an average low of 64.6°F (18.1°C). Fairbury reaches its highest average temperatures in July, measuring 80.8°F (27.1°C) at the peak and 64.6°F (18.1°C) at the lowest. In July, the average heat index is estimated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Fairbury, is also a moderately hot month, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 62.6°F (17°C). July's transformation into August witnesses an average high-temperature of a still warm 79.7°F (26.5°C), noting a minor change from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Fairbury, Illinois, with an average temperature fluctuating between 57.2°F (14°C) and 75.7°F (24.3°C). September's onset records a minor alteration in the average high-temperature to a still moderately hot 75.7°F (24.3°C) from August's 79.7°F (26.5°C). Weather in September »
Weather in October
October, like September, in Fairbury, Illinois, is another comfortable autumn month, with an average temperature varying between 62.2°F (16.8°C) and 46.8°F (8.2°C). October brings a drop in Fairbury's average high-temperature, falling from a warm 75.7°F (24.3°C) in September to a comfortable 62.2°F (16.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Fairbury, is another chilly month, with temperature in the range of an average high of 47.8°F (8.8°C) and an average low of 34.9°F (1.6°C). November's onset brings a noticeable temperature drop, falling from a comfortable 62.2°F (16.8°C) in October to a chilly 47.8°F (8.8°C). Weather in November »
Weather in December
December, the first month of the winter in Fairbury, is still a cold month, with temperature in the range of an average high of 36.5°F (2.5°C) and an average low of 26.1°F (-3.3°C). December weather is marked by a drop in the average high-temperature, falling from a chilly 47.8°F (8.8°C) in November to a cold 36.5°F (2.5°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Fairbury?
The month of January sees the average lowest temperatures, reaching 30.6°F (-0.8°C) at the peak and 18.5°F (-7.5°C) at the low.
What is the driest month in Fairbury?
January is the month with the least rainfall in Fairbury, Illinois. Rain falls for 5 days and accumulates 0.79" (20mm) of precipitation.
How much does it rain in Fairbury?
Throughout the year, in Fairbury, Illinois, there are 130.5 rainfall days, and 17.44" (443mm) of precipitation is accumulated.
When does it snow in Fairbury?
January through April, October through December are months with snowfall in Fairbury, Illinois.
When does it snow the most in Fairbury?
The month with the most snowfall is January, when snow falls for 10.6 days and typically aggregates up to 2.09" (53mm) of snow.
How much does it snow in Fairbury?
Throughout the year, there are 30.5 snowfall days, and 7.68" (195mm) of snow is accumulated.
What is the month with the least sunshine in Fairbury?
With an average of 3.8h of sunshine, January has the least sunshine of the year in Fairbury, Illinois.
When is Daylight Saving Time (DST) in Fairbury?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Fairbury, Illinois, 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 Fairbury?
May is the month with the most rainfall in Fairbury, Illinois. Rain falls for 17 days and accumulates 2.56" (65mm) of precipitation.
When it does not snow in Fairbury?
In Fairbury, snow does not fall in May through September.
When are the longest days in Fairbury?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What month has the most sunshine in Fairbury?
June has the most sunshine of the year in Fairbury, with an average of 9.9h of sunshine.
What are the months with the highest UV index in Fairbury?
The months with the highest UV index in Fairbury are June and July, with an average maximum UV index of 6.
What month is the hottest in Fairbury?
Fairbury's temperature records reveal July as the warmest month, marked by average highs of 80.8°F (27.1°C) and lows of 64.6°F (18.1°C).
What is the most humid month in Fairbury?
The most humid month in Fairbury is July, with an average relative humidity of 86%.
What is the least humid month in Fairbury?
With an average relative humidity of 71%, October is the least humid month in Fairbury, Illinois.
What is the month with the shortest days in Fairbury?
December has the shortest days of the year in Fairbury, with an average of 9h and 18min of daylight.
What is the month with the lowest UV index in Fairbury?
The month with the lowest UV index in Fairbury is December, with an average maximum UV index of 1.
Average temperature
Fairbury, IL
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure
Fairbury, 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:
29.96"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:
30.02"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 (29.92"Hg).
Average wind speed
Fairbury, IL
- Average wind speed in January:
10.8mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9.1mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10.2mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity
Fairbury, IL
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Fairbury, IL
- Average rainfall in January:
0.79" - Average rainfall in February:
0.87" - Average rainfall in March:
1.34" - Average rainfall in April:
1.97" - Average rainfall in May:
2.56" - Average rainfall in June:
2.05"
- Average rainfall in July:
2.09" - Average rainfall in August:
1.5" - Average rainfall in September:
1.18" - Average rainfall in October:
1.34" - Average rainfall in November:
0.91" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days
Fairbury, IL
- Average rainfall days in January:
5 days - Average rainfall days in February:
5 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
17 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
6.9 days
The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and February (5 days).
Average snowfall
Fairbury, IL
The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Fairbury, IL
- Average snowfall days in January:
10.6 days - Average snowfall days in February:
7.1 days - Average snowfall days in March:
3.7 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 days - Average snowfall days in December:
6.1 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Fairbury, 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 0min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 4min - 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 0min).
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 4min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 1min - 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 48min).
Average sunshine days
Fairbury, IL
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
13.5 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
19.1 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
18.9 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.4 days).
Average UV index
Fairbury, 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
Fairbury, IL
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility
Fairbury, 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).
Fairbury, Illinois, USA
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