Climate and monthly weather forecastDeer Grove, IL
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Deer Grove, Illinois, with an average temperature varying between 15.6°F (-9.1°C) and 27.5°F (-2.5°C). Deer Grove witnesses the coldest weather in January, with temperatures averaging a high of 27.5°F (-2.5°C) and a low of 15.6°F (-9.1°C). Weather in January »Weather in February
The last month of the winter, February, is a cold month in Deer Grove, Illinois, with an average temperature fluctuating between 32°F (0°C) and 19.2°F (-7.1°C). The commencement of February introduces an average high-temperature of an icy 32°F (0°C), closely mirroring the preceding month. Weather in February »Weather in March
March, the first month of the spring in Deer Grove, is a chilly month, with an average temperature ranging between min 31.6°F (-0.2°C) and max 46°F (7.8°C). Deer Grove's transition into March sees a rise in the average high-temperature, advancing from a cold 32°F (0°C) in February to a chilly 46°F (7.8°C). Weather in March »Weather in April
April is a mild spring month in Deer Grove, Illinois, with an average temperature varying between 58.1°F (14.5°C) and 41.9°F (5.5°C). The average high-temperature increases in April, moving from a frosty 46°F (7.8°C) in March to a mild 58.1°F (14.5°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Deer Grove, Illinois, with temperature in the range of an average high of 70°F (21.1°C) and an average low of 53.1°F (11.7°C). May marks a rise in the average high-temperature, moving from April's mild 58.1°F (14.5°C) to an agreeable 70°F (21.1°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Deer Grove, Illinois, with an average temperature ranging between min 61.3°F (16.3°C) and max 78.4°F (25.8°C). The onset of June introduces a subtle rise in the average high-temperature, nudging 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 Deer Grove, Illinois, is another warm summer month, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 64.2°F (17.9°C). The warmest period is July, when temperatures fluctuate between an average high of 80.2°F (26.8°C) and a low of 64.2°F (17.9°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Deer Grove, Illinois, with an average temperature varying between 62.1°F (16.7°C) and 79.5°F (26.4°C). A minimal variation is noted in Deer Grove's average high-temperature at the onset of August, reaching a still moderately hot 79.5°F (26.4°C) from July's 80.2°F (26.8°C). Weather in August »Weather in September
September, the first month of the autumn in Deer Grove, is also a moderately hot month, with an average temperature varying between 55.8°F (13.2°C) and 74.3°F (23.5°C). The average high-temperature in September, at a still moderately hot 74.3°F (23.5°C), reveals a modest deviation from August's 79.5°F (26.4°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Deer Grove, Illinois, with temperature in the range of an average high of 61°F (16.1°C) and an average low of 45°F (7.2°C). The onset of October brings a small change in high-temperatures, falling from a moderately hot 74.3°F (23.5°C) in September to a comfortable 61°F (16.1°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Deer Grove, Illinois, with an average temperature ranging between max 46.2°F (7.9°C) and min 32.9°F (0.5°C). A clear reduction in the average high-temperature is witnessed with the onset of November, reducing from a comfortable 61°F (16.1°C) in October to a chilly 46.2°F (7.9°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Deer Grove, Illinois, with an average temperature varying between 34°F (1.1°C) and 23.9°F (-4.5°C). The average high-temperature decreases in December, shifting from a frosty 46.2°F (7.9°C) in November to a wintry 34°F (1.1°C). Weather in December »Updated: Jun 30, 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
Deer Grove's January weather reaches an average high of 27.5°F (-2.5°C) and an average low of 15.6°F (-9.1°C), making it the coldest month.
January is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.55" (14mm) of precipitation.
Throughout the year, there are 114.5 rainfall days, and 12.72" (323mm) of precipitation is accumulated.
January through April, October through December are months with snowfall.
The month with the most snowfall is January, when snow falls for 10.1 days and typically aggregates up to 1.57" (40mm) of snow.
In Deer Grove, during the entire year, snow falls for 31.5 days and aggregates up to 5.2" (132mm) of snow.
With an average of 3.7h of sunshine, January has the least sunshine of the year.
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
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.
The month with the most rainfall is May, when the rain falls for 15.3 days and typically aggregates up to 2.01" (51mm) of precipitation.
May through September are months without snowfall in Deer Grove.
June has the longest days of the year, with an average of 15h and 6min of daylight.
The months with the most sunshine are June through August, with an average of 9.6h of sunshine.
Temperature readings reach their annual highs in July, averaging 80.2°F (26.8°C) and a minimum average of 64.2°F (17.9°C).
July is the most humid month, with an average relative humidity of 85%.
The month with the highest UV index is July, with an average maximum UV index of 6.
With an average relative humidity of 73%, October is the least humid month.
The month with the shortest days is December, with an average of 9h and 12min of daylight.
Average temperature
Deer Grove, 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
Deer Grove, 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
Deer Grove, 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
Deer Grove, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Deer Grove, 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
Deer Grove, 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
Deer Grove, 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
Deer Grove, 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
Deer Grove, IL
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 12min
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 42min - Average sunshine in February:
3h and 54min - Average sunshine in March:
6h and 18min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 12min - 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
Deer Grove, 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
Deer Grove, 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
Deer Grove, 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
Deer Grove, 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).
