Climate and monthly weather forecastTroy Grove, IL
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Troy Grove, Illinois, with an average temperature ranging between min 16.7°F (-8.5°C) and max 28.6°F (-1.9°C). Troy Grove's temperature records reveal January as the coldest month, marked by average highs of 28.6°F (-1.9°C) and lows of 16.7°F (-8.5°C). Weather in January »Weather in February
The last month of the winter, February, is a wintry month in Troy Grove, Illinois, with an average temperature varying between 32.5°F (0.3°C) and 19.6°F (-6.9°C). Upon the onset of February, Troy Grove witnesses an average high-temperature of a wintry 32.5°F (0.3°C), showing a close resemblance to the prior month. Weather in February »Weather in March
March, the first month of the spring in Troy Grove, is a frosty month, with an average temperature fluctuating between 46°F (7.8°C) and 31.6°F (-0.2°C). In Troy Grove, the average high-temperature in March rises, from a wintry 32.5°F (0.3°C) in February, to a chilly 46°F (7.8°C). Weather in March »Weather in April
April in Troy Grove, Illinois, is a refreshing spring month, with an average temperature ranging between max 57.9°F (14.4°C) and min 41.7°F (5.4°C). The start of April signals an increase in the average high-temperature, moving from a chilly 46°F (7.8°C) in March to a moderate 57.9°F (14.4°C). Weather in April »Weather in May
May, the last month of the spring in Troy Grove, is a pleasant month, with temperature in the range of an average high of 70.3°F (21.3°C) and an average low of 52.9°F (11.6°C). The shift into May brings an increase in the average high-temperature, moving from a refreshing 57.9°F (14.4°C) in April to a pleasant 70.3°F (21.3°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Troy Grove, Illinois, with an average temperature fluctuating between 61.3°F (16.3°C) and 78.6°F (25.9°C). June's arrival signals a subtle increase in average high-temperatures, moving from May's pleasant 70.3°F (21.3°C) to a moderately hot 78.6°F (25.9°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Troy Grove, Illinois, with an average temperature varying between 64.2°F (17.9°C) and 80.6°F (27°C). In Troy Grove, the peak temperatures are generally noted in July, averaging a high of 80.6°F (27°C) and a low of 64.2°F (17.9°C). The heat index for July is calculated to be a tropical 86°F (30°C). Weather in July »Weather in August
August, the last month of the summer in Troy Grove, is also a moderately hot month, with an average temperature ranging between max 79.2°F (26.2°C) and min 62.1°F (16.7°C). The start of August sees the average high-temperature at a still moderately hot 79.2°F (26.2°C), showing little difference from July's 80.6°F (27°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Troy Grove, Illinois, with an average temperature varying between 74.1°F (23.4°C) and 55.8°F (13.2°C). The introduction of September notes a subtle temperature variation to a still moderately hot 74.1°F (23.4°C) from August's 79.2°F (26.2°C). Weather in September »Weather in October
October, like September, in Troy Grove, Illinois, is another enjoyable autumn month, with temperature in the range of an average low of 45.3°F (7.4°C) and an average high of 61.2°F (16.2°C). With the onset of October, Troy Grove's average high-temperature adjusts, receding from September's moderately hot 74.1°F (23.4°C) to a comfortable 61.2°F (16.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Troy Grove, Illinois, with an average temperature ranging between max 46.6°F (8.1°C) and min 33.4°F (0.8°C). As Troy Grove steps into November, the average high-temperature decreases significantly from the an enjoyable 61.2°F (16.2°C) of October to a chilly 46.6°F (8.1°C). Weather in November »Weather in December
December, the first month of the winter in Troy Grove, is also a wintry month, with an average temperature ranging between min 24.1°F (-4.4°C) and max 34.5°F (1.4°C). Observing a mild shift, the average high-temperature during December reduces from November's frosty 46.6°F (8.1°C) to a wintry 34.5°F (1.4°C). Weather in December »Updated: Aug 19, 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 28.6°F (-1.9°C) and an average low-temperature of 16.7°F (-8.5°C), January is the coldest month.
The months with the least rainfall are January, February, November and December Rain falls for 3.6 days and accumulates 0.51" (13mm) of rain.
In Troy Grove, during the entire year, the rain falls for 107.9 days and collects up to 9.96" (253mm) of precipitation.
Months with snowfall are January through April, October through December.
The month with the most snowfall is January, when snow falls for 8.6 days and typically aggregates up to 0.98" (25mm) of snow.
Throughout the year, there are 29.3 snowfall days, and 3.86" (98mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 3.7h of sunshine.
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
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 is the month with the most rainfall in Troy Grove. Rain falls for 13.8 days and accumulates 1.42" (36mm) of precipitation.
May through September are months without snowfall.
The month with the longest days is June, with an average of 15h and 6min of daylight.
June through August, with an average of 9.5h of sunshine, are months with the most sunshine.
June and July, with an average maximum UV index of 6, are months with the highest UV index.
In Troy Grove, July is the warmest month, with temperatures averaging a high of 80.6°F (27°C) and a low of 64.2°F (17.9°C).
With an average relative humidity of 85%, July is the most humid month.
October is the least humid month, with an average relative humidity of 73%.
The month with the shortest days in Troy Grove is December, with an average of 9h and 12min of daylight.
Average temperature
Troy Grove, IL
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.6°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 (16.7°F).
Average pressure
Troy Grove, IL
- Average pressure in January:
30.12"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:
29.96"Hg - Average pressure in June:
29.91"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:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Troy Grove, IL
- Average wind speed in January:
10.2mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.4mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Troy Grove, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Troy Grove, IL
- Average rainfall in January:
0.51" - Average rainfall in February:
0.51" - Average rainfall in March:
0.63" - Average rainfall in April:
1.3" - Average rainfall in May:
1.42" - Average rainfall in June:
1.06"
- Average rainfall in July:
1.02" - Average rainfall in August:
0.87" - Average rainfall in September:
0.71" - Average rainfall in October:
0.91" - Average rainfall in November:
0.51" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is May (1.42").
The driest months (with the least rainfall) are January, February, November and December (0.51").
Average rainfall days
Troy Grove, IL
- Average rainfall days in January:
3.6 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
11.2 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
13.1 days - Average rainfall days in August:
12.2 days - Average rainfall days in September:
8.5 days - Average rainfall days in October:
9.3 days - Average rainfall days in November:
6.2 days - Average rainfall days in December:
4.6 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (3.6 days).
Average snowfall
Troy Grove, IL
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Troy Grove, IL
- Average snowfall days in January:
8.6 days - Average snowfall days in February:
6.7 days - Average snowfall days in March:
4 days - Average snowfall days in April:
1.3 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:
0.4 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Troy 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 12min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
9h and 30min - Average sunshine in August:
9h and 30min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 6min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Troy Grove, IL
- Average sunshine days in January:
21.4 days - Average sunshine days in February:
19.5 days - Average sunshine days in March:
18.6 days - Average sunshine days in April:
16.1 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
19.4 days - Average sunshine days in October:
20.1 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
21.8 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (13.3 days).
Average UV index
Troy Grove, IL
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Troy Grove, IL
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility
Troy 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).
