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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, is a wintry winter month in Greenfield, Illinois, with temperature in the range of an average low of 22.3°F (-5.4°C) and an average high of 35.2°F (1.8°C). Greenfield's January weather, marked by an average high temperature of 35.2°F (1.8°C) and an average low temperature of 22.3°F (-5.4°C), is the coldest in the year. Weather in January »
Weather in February
February, the last month of the winter in Greenfield, is also an icy month, with an average temperature fluctuating between 25.9°F (-3.4°C) and 39.6°F (4.2°C). Greenfield records an average high-temperature of a still icy 39.6°F (4.2°C) in February, closely mirroring the climate of the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Greenfield, Illinois, with an average temperature fluctuating between 36.5°F (2.5°C) and 52.3°F (11.3°C). March's arrival is marked by an increase in the average high-temperature, moving from an icy 39.6°F (4.2°C) in February to a fresh 52.3°F (11.3°C). Weather in March »
Weather in April
April is an enjoyable spring month in Greenfield, Illinois, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 46.2°F (7.9°C). In Greenfield, the average high-temperature in April increases from a fresh 52.3°F (11.3°C) in March to an enjoyable 63.9°F (17.7°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Greenfield, Illinois, with an average temperature varying between 56.1°F (13.4°C) and 73.6°F (23.1°C). The beginning of May signals a rise in the average high-temperature, moving from a comfortable 63.9°F (17.7°C) in April to a moderately hot 73.6°F (23.1°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Greenfield, Illinois, with an average temperature fluctuating between 64.9°F (18.3°C) and 82.2°F (27.9°C). In Greenfield, stepping into June brings a gentle temperature nudge, moving slightly up from May's 73.6°F (23.1°C) to a still moderately hot 82.2°F (27.9°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Greenfield, Illinois, with an average temperature ranging between min 67.3°F (19.6°C) and max 84.4°F (29.1°C). Greenfield reaches its highest average temperatures in July, measuring 84.4°F (29.1°C) at the peak and 67.3°F (19.6°C) at the lowest. July's average heat index is appraised at a very hot 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in Greenfield, is also a moderately hot month, with temperature in the range of an average low of 65.5°F (18.6°C) and an average high of 83.5°F (28.6°C). The arrival of August brings an average high-temperature of a still moderately hot 83.5°F (28.6°C), nearly identical to July's 84.4°F (29.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Greenfield, Illinois, with an average temperature varying between 59.2°F (15.1°C) and 78.3°F (25.7°C). In September, Greenfield notes an average high-temperature of a still warm 78.3°F (25.7°C), hardly different from the preceding month. Weather in September »
Weather in October
October, like September, in Greenfield, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 64.8°F (18.2°C) and 47.8°F (8.8°C). Greenfield's October weather comes with a decrease in average high-temperatures, moving from a warm 78.3°F (25.7°C) in September to an enjoyable 64.8°F (18.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Greenfield, is also a fresh month, with an average temperature fluctuating between 36.5°F (2.5°C) and 51.6°F (10.9°C). The shift from October to November corresponds with a decrease in the average high-temperature, down to a fresh 51.6°F (10.9°C) from an enjoyable 64.8°F (18.2°C). Weather in November »
Weather in December
December, the first month of the winter in Greenfield, is also an icy month, with temperature in the range of an average high of 40.5°F (4.7°C) and an average low of 28.6°F (-1.9°C). The start of December signals a decrease in the average high-temperature, transitioning from a fresh 51.6°F (10.9°C) in November to an icy 40.5°F (4.7°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 part of the year is the coldest in Greenfield?
In Greenfield, the average lowest temperatures are observed in January, with a high of 35.2°F (1.8°C) and a low of 22.3°F (-5.4°C).
How much does it rain in Greenfield?
Throughout the year, in Greenfield, Illinois, there are 120.6 rainfall days, and 14.17" (360mm) of precipitation is accumulated.
When does it snow in Greenfield?
Months with snowfall are January through March, November and December.
How much does it snow in Greenfield?
In Greenfield, Illinois, during the entire year, snow falls for 19.1 days and aggregates up to 3.82" (97mm) of snow.
What is the month with the least sunshine in Greenfield?
The month with the least sunshine in Greenfield, Illinois, is January, with an average of 4.5h of sunshine.
What are the months with the lowest UV index in Greenfield?
The months with the lowest UV index in Greenfield are January, February, November and December, with an average maximum UV index of 2.
When does it snow the most in Greenfield?
February is the month with the most snowfall in Greenfield, Illinois. Snow falls for 5.8 days and accumulates 1.34" (34mm) of snow.
When is Daylight Saving Time (DST) in Greenfield?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Greenfield, 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.
When it does not snow in Greenfield?
April through October are months without snowfall.
What is the rainiest month in Greenfield?
June is the month with the most rainfall. Rain falls for 12.7 days and accumulates 1.93" (49mm) of precipitation.
When are the longest days in Greenfield?
The month with the longest days in Greenfield, Illinois, is June, with an average of 14h and 54min of daylight.
What is the month with the most sunshine in Greenfield?
June and July, with an average of 10.4h of sunshine, are months with the most sunshine.
What is the month with the highest UV index in Greenfield?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Greenfield.
What part of the year is the hottest in Greenfield?
Greenfield's July weather, with an average high temperature of 84.4°F (29.1°C) and an average low temperature of 67.3°F (19.6°C), tends to be the warmest of the year.
What is the most humid month in Greenfield?
With an average relative humidity of 81%, July is the most humid month in Greenfield, Illinois.
What is the least humid month in Greenfield?
The least humid month in Greenfield is October, with an average relative humidity of 71%.
What is the driest month in Greenfield?
The month with the least rainfall in Greenfield is November, when the rain falls for 7.4 days and typically collects 0.67" (17mm) of precipitation.
What is the month with the shortest days in Greenfield?
With an average of 9h and 30min of daylight, December has the shortest days of the year in Greenfield.
Average temperature
Greenfield, IL
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure
Greenfield, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"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:
30.02"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"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 (29.91"Hg).
Average wind speed
Greenfield, IL
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.5mph - Average wind speed in April:
9.6mph - Average wind speed in May:
7.7mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.5mph - Average wind speed in October:
8.3mph - Average wind speed in November:
9.1mph - Average wind speed in December:
9.2mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity
Greenfield, IL
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Greenfield, IL
- Average rainfall in January:
0.71" - Average rainfall in February:
0.75" - Average rainfall in March:
1.06" - Average rainfall in April:
1.5" - Average rainfall in May:
1.69" - Average rainfall in June:
1.93"
The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is November (0.67").
Average rainfall days
Greenfield, IL
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
12.7 days
- Average rainfall days in July:
13.6 days - Average rainfall days in August:
11.9 days - Average rainfall days in September:
10.4 days - Average rainfall days in October:
8.9 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
6.4 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (5.6 days).
Average snowfall
Greenfield, IL
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Greenfield, IL
- Average snowfall days in January:
6 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
2.2 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
1 days - Average snowfall days in December:
3.7 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Greenfield, 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 3min
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 30min).
- Average sunshine in January:
4h and 3min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 3min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Greenfield, IL
- Average sunshine days in January:
20.5 days - Average sunshine days in February:
17 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
12.5 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
20.9 days - Average sunshine days in November:
20.6 days - Average sunshine days in December:
21.7 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is June (12.4 days).
Average UV index
Greenfield, 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
Greenfield, IL
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility
Greenfield, IL
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Greenfield, Illinois, USA
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