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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 Long Grove, Iowa, is another subzero cold winter month, with an average temperature fluctuating between 15.3°F (-9.3°C) and 27.9°F (-2.3°C). January is the coldest month, with the temperature often reaching an average high of 27.9°F (-2.3°C) and an average low of 15.3°F (-9.3°C). Weather in January »
Weather in February
The last month of the winter, February, is an icy month in Long Grove, Iowa, with an average temperature fluctuating between 32°F (0°C) and 19°F (-7.2°C). February ushers in an average high-temperature of a cold 32°F (0°C), aligning closely with the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Long Grove, Iowa, with an average temperature ranging between max 46.2°F (7.9°C) and min 31.6°F (-0.2°C). As March sets, the average high-temperature shows an increase, moving up from an icy 32°F (0°C) in February to a chilly 46.2°F (7.9°C). Weather in March »
Weather in April
April in Long Grove, Iowa, is a moderate spring month, with an average temperature varying between 42.3°F (5.7°C) and 58.3°F (14.6°C). Long Grove in April sees a temperature change, with average high-temperatures moving from a chilly 46.2°F (7.9°C) in March to a moderate 58.3°F (14.6°C). Weather in April »
Weather in May
May, the last month of the spring in Long Grove, is a pleasant month, with temperature in the range of an average high of 69.6°F (20.9°C) and an average low of 53.2°F (11.8°C). In May, the meteorological conditions change with the average high-temperature moving from a mild 58.3°F (14.6°C) in April to an agreeable 69.6°F (20.9°C). Weather in May »
Weather in June
June, the first month of the summer in Long Grove, is a moderately hot month, with temperature in the range of an average high of 78.8°F (26°C) and an average low of 62.1°F (16.7°C). With the onset of June, Long Grove's average high-temperature sees a rise, moving from May's pleasant 69.6°F (20.9°C) to a warm 78.8°F (26°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Long Grove, Iowa, with an average temperature ranging between min 64.9°F (18.3°C) and max 81.1°F (27.3°C). Long Grove witnesses the warmest weather in July, with temperatures averaging a high of 81.1°F (27.3°C) and a low of 64.9°F (18.3°C). Throughout July, the heat index is calculated to be a tropical 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Long Grove, Iowa, with an average temperature fluctuating between 62.6°F (17°C) and 80.2°F (26.8°C). The high-temperature average in August for Long Grove is a still warm 80.2°F (26.8°C), staying closely aligned with July's conditions. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Long Grove, Iowa, with an average temperature ranging between max 75.2°F (24°C) and min 55.8°F (13.2°C). September's onset brings an average high-temperature of a still moderately hot 75.2°F (24°C), showing a minute difference from August's 80.2°F (26.8°C). Weather in September »
Weather in October
October, like September, in Long Grove, Iowa, is another enjoyable autumn month, with an average temperature fluctuating between 60.8°F (16°C) and 44.8°F (7.1°C). With the transition into October, Long Grove experiences a significant decrease in average high-temperatures, moving down from a moderately hot 75.2°F (24°C) in September to a comfortable 60.8°F (16°C). Weather in October »
Weather in November
November, the last month of the autumn in Long Grove, is also a frosty month, with an average temperature ranging between min 32.9°F (0.5°C) and max 46.4°F (8°C). November signals a significant shift in the average high-temperature, falling from October's refreshing 60.8°F (16°C) to a chilly 46.4°F (8°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Long Grove, Iowa, with an average temperature ranging between min 23.4°F (-4.8°C) and max 34°F (1.1°C). The onset of December results in a decrease in the average high-temperature, receding from a chilly 46.4°F (8°C) in November to a wintry 34°F (1.1°C). Weather in December »
Updated: Jul 13, 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 is the coldest month?
The lowest temperatures are recorded in January, with averages reaching a high of 27.9°F (-2.3°C) and a low of 15.3°F (-9.3°C).
What is the most humid month?
January is the most humid month, with an average relative humidity of 84%.
How many days does it rain?
In Long Grove, during the entire year, the rain falls for 113.5 days and collects up to 14.25" (362mm) of precipitation.
When does it snow?
January through April, October through December are months with snowfall.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 9.3 days and typically aggregates up to 2.09" (53mm) of snow.
How many days does it snow?
Throughout the year, there are 30.5 snowfall days, and 6.18" (157mm) of snow is accumulated.
What is the month with the least sunshine in Long Grove?
With an average of 3.9h of sunshine, January has the least sunshine of the year.
When is the lowest UV index?
The month with the lowest UV index is January, with an average maximum UV index of 1.
When is Daylight Saving Time (DST)?
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 is the rainiest month?
The month with the most rainfall is May, when the rain falls for 15 days and typically aggregates up to 2.44" (62mm) of precipitation.
When it does not snow?
May through September are months without snowfall.
When are the longest days?
With an average of 15h and 12min of daylight, June has the longest days of the year.
What are the warmest months?
In Long Grove, July records the average highest temperatures, peaking at 81.1°F (27.3°C) and reaching a low of 64.9°F (18.3°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.2h of sunshine.
What is the month with the highest UV index?
The months with the highest UV index are July and August, with an average maximum UV index of 6.
What is the least humid month?
The least humid month is October, with an average relative humidity of 71%.
What is the driest month?
December is the month with the least rainfall. Rain falls for 4.7 days and accumulates 0.51" (13mm) of precipitation.
What is the month with the shortest days in Long Grove?
With an average of 9h and 12min of daylight, December has the shortest days of the year in Long Grove.
Average temperature
Long Grove, IA
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27.9°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure
Long Grove, IA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"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 (29.9"Hg).
Average wind speed
Long Grove, IA
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.2mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.3mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity
Long Grove, IA
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Long Grove, IA
- Average rainfall in January:
0.63" - Average rainfall in February:
0.59" - Average rainfall in March:
0.91" - Average rainfall in April:
1.61" - Average rainfall in May:
2.44" - Average rainfall in June:
1.73"
- Average rainfall in July:
1.61" - Average rainfall in August:
1.1" - Average rainfall in September:
1.02" - Average rainfall in October:
1.22" - Average rainfall in November:
0.87" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is December (0.51").
Average rainfall days
Long Grove, IA
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
12.6 days - Average rainfall days in May:
15 days - Average rainfall days in June:
13.9 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
11.9 days - Average rainfall days in September:
8.9 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
7 days - Average rainfall days in December:
4.7 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (3.3 days).
Average snowfall
Long Grove, IA
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
Long Grove, IA
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
7.9 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:
0.5 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 (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Long Grove, IA
- 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 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 1min - 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 12min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 3min - 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:
10h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Long Grove, IA
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
17 days - Average sunshine days in March:
18.8 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
12.9 days
- Average sunshine days in July:
13.5 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
19.4 days - Average sunshine days in October:
19.1 days - Average sunshine days in November:
20.6 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is June (12.9 days).
Average UV index
Long Grove, IA
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Long Grove, IA
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July, August and September (Cloud cover 30).
Average visibility
Long Grove, IA
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).
Long Grove, Iowa, USA
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