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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
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Prairie Grove, Illinois, with an average temperature ranging between max 27°F (-2.8°C) and min 15.1°F (-9.4°C). The month of January sees the lowest average temperatures, reaching 27°F (-2.8°C) at the peak and 15.1°F (-9.4°C) at the low. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Prairie Grove, Illinois, with an average temperature varying between 30.6°F (-0.8°C) and 18°F (-7.8°C). The advent of February brings an average high-temperature of a still subzero cold 30.6°F (-0.8°C), almost identical to the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Prairie Grove, is a frosty month, with temperature in the range of an average low of 29.5°F (-1.4°C) and an average high of 43.3°F (6.3°C). The arrival of March brings an increase in high-temperatures, moving from a freezing cold 30.6°F (-0.8°C) in February to a frosty 43.3°F (6.3°C). Weather in March »
Weather in April
April in Prairie Grove, Illinois, is a fresh spring month, with an average temperature varying between 38.8°F (3.8°C) and 54.7°F (12.6°C). April shows a rise in the average high-temperature, moving from March's frosty 43.3°F (6.3°C) to a cool 54.7°F (12.6°C). Weather in April »
Weather in May
May, the last month of the spring in Prairie Grove, is a comfortable month, with temperature in the range of an average low of 50°F (10°C) and an average high of 67.1°F (19.5°C). A rise in the average high-temperature is observed during May, moving from a fresh 54.7°F (12.6°C) in April to a comfortable 67.1°F (19.5°C). Weather in May »
Weather in June
June, the first month of the summer in Prairie Grove, is a moderately hot month, with temperature in the range of an average high of 76.1°F (24.5°C) and an average low of 59°F (15°C). Prairie Grove, Illinois, sees an increase in the average high-temperature with the arrival of June, moving from May's refreshing 67.1°F (19.5°C) to a moderately hot 76.1°F (24.5°C). Weather in June »
Weather in July
July, like June, in Prairie Grove, Illinois, is another warm summer month, with an average temperature ranging between min 63.1°F (17.3°C) and max 79.5°F (26.4°C). Prairie Grove witnesses the warmest weather in July, with temperatures averaging a high of 79.5°F (26.4°C) and a low of 63.1°F (17.3°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Prairie Grove, Illinois, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 61.9°F (16.6°C). Prairie Grove experiences a minor change to a still warm 78.1°F (25.6°C) in average high-temperature during August, closely reflecting July. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Prairie Grove, Illinois, with an average temperature ranging between max 72.5°F (22.5°C) and min 55°F (12.8°C). With the onset of September, Prairie Grove's climate undergoes a slight change as the average high-temperature moves from a moderately hot 78.1°F (25.6°C) in August to an agreeable 72.5°F (22.5°C). Weather in September »
Weather in October
October, the same as September, in Prairie Grove, Illinois, is another mild autumn month, with an average temperature ranging between max 59°F (15°C) and min 43.9°F (6.6°C). With the onset of October, Prairie Grove's average high-temperature adjusts, receding from September's pleasant 72.5°F (22.5°C) to a mild 59°F (15°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Prairie Grove, Illinois, with an average temperature ranging between max 44.6°F (7°C) and min 31.8°F (-0.1°C). As November arrives, a noticeable drop in the average high-temperature is witnessed, moving from a mild 59°F (15°C) in October to a chilly 44.6°F (7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Prairie Grove, Illinois, with an average temperature varying between 32.9°F (0.5°C) and 22.8°F (-5.1°C). As Prairie Grove enters December, the average high-temperature decreases from the a frosty 44.6°F (7°C) of November to a wintry 32.9°F (0.5°C). Weather in December »
Updated: Jul 21, 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?
Prairie Grove's January weather, marked by an average high temperature of 27°F (-2.8°C) and an average low temperature of 15.1°F (-9.4°C), is the coldest in the year.
What are the most humid months?
The months with the highest humidity are January and February, with an average relative humidity of 85%.
How much does it rain?
Throughout the year, there are 146.9 rainfall days, and 21.22" (539mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 12.5 days and typically aggregates up to 3.31" (84mm) of snow.
How much does it snow?
Throughout the year, there are 48.7 snowfall days, and 11.85" (301mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.7h of sunshine.
When is the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
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 least humid month in Prairie Grove?
The months with the lowest humidity are April and October, with an average relative humidity of 76%.
What is the wettest month in Prairie Grove?
The month with the most rainfall is June, when the rain falls for 16.3 days and typically aggregates up to 2.8" (71mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What are the warmest months?
July, noted for its average high-temperature of 79.5°F (26.4°C) and an average low-temperature of 63.1°F (17.3°C), is considered the warmest month.
What month has the most sunshine?
With an average of 10h of sunshine, July has the most sunshine of the year.
What is the month with the highest UV index?
With an average maximum UV index of 6, August is the month with the highest UV index.
What is the driest month?
The months with the least rainfall are November and December Rain falls for 8 days and accumulates 0.94" (24mm) of rain.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Prairie Grove, IL
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (27°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure
Prairie 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:
29.98"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
Prairie Grove, IL
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.5mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.2mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.7mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.3mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Prairie Grove, IL
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall
Prairie Grove, IL
- Average rainfall in January:
1.1" - Average rainfall in February:
1.1" - Average rainfall in March:
1.22" - Average rainfall in April:
2.56" - Average rainfall in May:
2.52" - Average rainfall in June:
2.8"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.52" - Average rainfall in September:
1.46" - Average rainfall in October:
1.73" - Average rainfall in November:
0.94" - Average rainfall in December:
0.94"
The wettest month (with the highest rainfall) is June (2.8").
The driest months (with the least rainfall) are November and December (0.94").
Average rainfall days
Prairie Grove, IL
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
18.5 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
12 days - Average rainfall days in October:
12.9 days - Average rainfall days in November:
8 days - Average rainfall days in December:
7.9 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (4.8 days).
Average snowfall
Prairie Grove, IL
- Average snowfall in January:
3.31" - Average snowfall in February:
2.52" - Average snowfall in March:
1.34" - Average snowfall in April:
1.5" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Prairie Grove, IL
- Average snowfall days in January:
12.5 days - Average snowfall days in February:
10.7 days - Average snowfall days in March:
7.5 days - Average snowfall days in April:
2.2 days - Average snowfall days in May:
0.2 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:
0.7 days - Average snowfall days in November:
4 days - Average snowfall days in December:
10.9 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Prairie Grove, IL
- Average daylight in January:
9h and 3min - 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 0min - 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 6min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 1min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Prairie Grove, IL
- Average sunshine days in January:
14.4 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
10 days - Average sunshine days in August:
10.4 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
15.4 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is July (10 days).
Average UV index
Prairie Grove, IL
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Prairie Grove, IL
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and September (Cloud cover 32).
Average visibility
Prairie Grove, IL
The months with the highest visibility are March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January, February and August (5mi).