Climate and monthly weather forecastPoplar Grove, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in Poplar Grove, Illinois, is another subzero cold winter month, with temperature in the range of an average low of 13.6°F (-10.2°C) and an average high of 25.9°F (-3.4°C). In Poplar Grove, the lowest average temperatures are observed in January, with a high of 25.9°F (-3.4°C) and a low of 13.6°F (-10.2°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Poplar Grove, Illinois, with temperature in the range of an average high of 29.8°F (-1.2°C) and an average low of 17.1°F (-8.3°C). February's arrival brings an average high-temperature of a still subzero cold 29.8°F (-1.2°C), demonstrating subtle variation from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Poplar Grove, is a chilly month, with an average temperature fluctuating between 28.9°F (-1.7°C) and 44.1°F (6.7°C). March's onset brings a temperature rise, moving from a subzero cold 29.8°F (-1.2°C) in February to a chilly 44.1°F (6.7°C). Weather in March »Weather in April
April in Poplar Grove, Illinois, is a mild spring month, with an average temperature ranging between min 39°F (3.9°C) and max 55.6°F (13.1°C). The rise of average high-temperatures is seen in April, with an increase from a frosty 44.1°F (6.7°C) in March to a moderate 55.6°F (13.1°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Poplar Grove, Illinois, with an average temperature fluctuating between 67.8°F (19.9°C) and 50.5°F (10.3°C). May brings a rise in the average high-temperature, transitioning from April's mild 55.6°F (13.1°C) to a still refreshing 67.8°F (19.9°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Poplar Grove, Illinois, with an average temperature fluctuating between 76.6°F (24.8°C) and 59.4°F (15.2°C). The average high-temperature mildly increases in June, edging from an enjoyable 67.8°F (19.9°C) in May to a moderately hot 76.6°F (24.8°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Poplar Grove, Illinois, with an average temperature varying between 79.9°F (26.6°C) and 62.8°F (17.1°C). July is the month when Poplar Grove experiences its warmest temperatures, averaging a high of 79.9°F (26.6°C) and a low of 62.8°F (17.1°C). Weather in July »Weather in August
August, the last month of the summer in Poplar Grove, is another warm month, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 78.1°F (25.6°C). At the onset of August, Poplar Grove records an average high-temperature of a still moderately hot 78.1°F (25.6°C), showing little deviation from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Poplar Grove, Illinois, with an average temperature varying between 54.1°F (12.3°C) and 72.3°F (22.4°C). As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 78.1°F (25.6°C) to an agreeable 72.3°F (22.4°C). Weather in September »Weather in October
October, the same as September, in Poplar Grove, Illinois, is another refreshing autumn month, with an average temperature varying between 59°F (15°C) and 43.2°F (6.2°C). Poplar Grove's progression into October involves a drop in the average high-temperature, receding from a pleasant 72.3°F (22.4°C) in September to a moderate 59°F (15°C). Weather in October »Weather in November
November, the last month of the autumn in Poplar Grove, is also a frosty month, with an average temperature fluctuating between 44.6°F (7°C) and 31.3°F (-0.4°C). November brings a significant decrease in the average high-temperature, moving down from a refreshing 59°F (15°C) in October to a chilly 44.6°F (7°C). Weather in November »Weather in December
December, the first month of the winter in Poplar Grove, is also a wintry month, with temperature in the range of an average low of 22.3°F (-5.4°C) and an average high of 32.4°F (0.2°C). December involves a decrease in temperature, down from a chilly 44.6°F (7°C) in November to a cold 32.4°F (0.2°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
With an average high-temperature of 25.9°F (-3.4°C) and an average low-temperature of 13.6°F (-10.2°C), January is the coldest month.
January is the most humid month in Poplar Grove, with an average relative humidity of 86%.
Throughout the year, in Poplar Grove, there are 154 rainfall days, and 30.47" (774mm) of precipitation is accumulated.
January through April, October through December are months with snowfall in Poplar Grove.
The month with the most snowfall in Poplar Grove is January, when snow falls for 12.6 days and typically aggregates up to 5.35" (136mm) of snow.
In Poplar Grove, Illinois, during the entire year, snow falls for 45.3 days and aggregates up to 17.28" (439mm) of snow.
The month with the least sunshine in Poplar Grove is January, with an average of 3.7h of sunshine.
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
February is the month with the least rainfall in Poplar Grove. Rain falls for 5.6 days and accumulates 1.46" (37mm) of precipitation.
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.
May through September are months without snowfall.
The month with the most rainfall in Poplar Grove is June, when the rain falls for 17.8 days and typically aggregates up to 4.09" (104mm) of precipitation.
The month with the longest days in Poplar Grove, Illinois, is June, with an average of 15h and 12min of daylight.
With an average maximum UV index of 6, June is the month with the highest UV index in Poplar Grove, Illinois.
During the warmest month in Poplar Grove, July, temperatures average a high of 79.9°F (26.6°C) and a low of 62.8°F (17.1°C).
July and August, with an average of 9.7h of sunshine, are months with the most sunshine in Poplar Grove.
The least humid month is October, with an average relative humidity of 75%.
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Poplar Grove, IL
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.9°F).
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure
Poplar Grove, 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:
29.97"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
Poplar Grove, IL
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.6mph - Average wind speed in April:
10mph - Average wind speed in May:
8.5mph - 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:
7.2mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.2mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Poplar Grove, IL
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).
Average rainfall
Poplar Grove, IL
- Average rainfall in January:
1.61" - Average rainfall in February:
1.46" - Average rainfall in March:
1.89" - Average rainfall in April:
3.58" - Average rainfall in May:
3.86" - Average rainfall in June:
4.09"
- Average rainfall in July:
3.19" - Average rainfall in August:
2.8" - Average rainfall in September:
2.17" - Average rainfall in October:
2.64" - Average rainfall in November:
1.65" - Average rainfall in December:
1.54"
The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days
Poplar Grove, IL
- Average rainfall days in January:
5.7 days - Average rainfall days in February:
5.6 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
16.5 days - Average rainfall days in May:
18.9 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
8.2 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (5.6 days).
Average snowfall
Poplar Grove, IL
The month with the highest snowfall is January (5.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Poplar Grove, IL
- Average snowfall days in January:
12.6 days - Average snowfall days in February:
10.7 days - Average snowfall days in March:
5.5 days - Average snowfall days in April:
1.7 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:
0.6 days - Average snowfall days in November:
4 days - Average snowfall days in December:
10.2 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Poplar Grove, IL
- Average daylight in January:
9h and 30min - 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 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
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 42min - Average sunshine in February:
3h and 48min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Poplar Grove, IL
- Average sunshine days in January:
14 days - Average sunshine days in February:
13 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
11.1 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
10.2 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
15.7 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.2 days).
Average UV index
Poplar Grove, IL
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Poplar Grove, IL
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility
Poplar Grove, IL
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
