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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, like December, in Tunnel Hill, Illinois, is a wintry winter month, with an average temperature varying between 27°F (-2.8°C) and 40.1°F (4.5°C). With average high temperatures of 40.1°F (4.5°C) and lows of 27°F (-2.8°C), January is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a chilly month in Tunnel Hill, Illinois, with temperature in the range of an average high of 45.1°F (7.3°C) and an average low of 30.7°F (-0.7°C). Tunnel Hill, Illinois, registers an average high-temperature of a chilly 45.1°F (7.3°C) with the arrival of February, showing minor deviation from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a moderate month in Tunnel Hill, Illinois, with an average temperature fluctuating between 55.8°F (13.2°C) and 39.7°F (4.3°C). March's onset is marked by a temperature increase, moving from a frosty 45.1°F (7.3°C) in February to a moderate 55.8°F (13.2°C). Weather in March »
Weather in April
April is a refreshing spring month in Tunnel Hill, Illinois, with an average temperature varying between 48.9°F (9.4°C) and 66.6°F (19.2°C). As Tunnel Hill transitions into April, a rise in the average high-temperature is observed, moving from a mild 55.8°F (13.2°C) in March to an enjoyable 66.6°F (19.2°C). Weather in April »
Weather in May
May, the last month of the spring in Tunnel Hill, is a moderately hot month, with an average temperature ranging between min 57.9°F (14.4°C) and max 75.7°F (24.3°C). Tunnel Hill sees an increase in average high-temperatures during May, moving from an enjoyable 66.6°F (19.2°C) in April to a moderately hot 75.7°F (24.3°C). Weather in May »
Weather in June
June, the first month of the summer in Tunnel Hill, is also a moderately hot month, with an average temperature ranging between max 85.6°F (29.8°C) and min 66.2°F (19°C). The transition from May to June brings a temperature rise, with average high-temperatures increasing from a moderately hot 75.7°F (24.3°C) to a still warm 85.6°F (29.8°C). Weather in June »
Weather in July
July is a hot summer month in Tunnel Hill, Illinois, with an average temperature ranging between max 88°F (31.1°C) and min 68.5°F (20.3°C). The temperatures reach their highest averages in July, with highs of 88°F (31.1°C) and lows of 68.5°F (20.3°C). The heat index for July is computed to be a scorching 104°F (40°C). Weather in July »
Weather in August
The last month of the summer, August, is another hot month in Tunnel Hill, Illinois, with an average temperature fluctuating between 86.5°F (30.3°C) and 66.7°F (19.3°C). August's onset records a minor alteration in the average high-temperature to a still tropical 86.5°F (30.3°C) from July's 88°F (31.1°C). Weather in August »
Weather in September
September, the first month of the autumn in Tunnel Hill, is still a warm month, with an average temperature fluctuating between 60.6°F (15.9°C) and 81.1°F (27.3°C). The start of September comes with a small reduction in the average high-temperature, subtly receding from a hot 86.5°F (30.3°C) in August to a warm 81.1°F (27.3°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Tunnel Hill, Illinois, with an average temperature ranging between max 67.8°F (19.9°C) and min 49.6°F (9.8°C). With October's arrival, Tunnel Hill's weather changes as the average high-temperature falls from a warm 81.1°F (27.3°C) in September to a comfortable 67.8°F (19.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Tunnel Hill, is also a fresh month, with an average temperature fluctuating between 38.8°F (3.8°C) and 54.5°F (12.5°C). Onset of November comes with a temperature decline, the average high falling from a comfortable 67.8°F (19.9°C) in October to a fresh 54.5°F (12.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Tunnel Hill, Illinois, with temperature in the range of an average low of 32.7°F (0.4°C) and an average high of 44.8°F (7.1°C). In the transition to December, Tunnel Hill observes a drop in the average high-temperature, moving from a fresh 54.5°F (12.5°C) in November to a chilly 44.8°F (7.1°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Tunnel Hill?
Tunnel Hill, Illinois, experiences its average lowest temperatures in January, reaching a peak of 40.1°F (4.5°C) and a minimum of 27°F (-2.8°C).
How much does it rain in Tunnel Hill?
Throughout the year, there are 118.3 rainfall days, and 13.03" (331mm) of precipitation is accumulated.
When does it snow in Tunnel Hill?
Months with snowfall in Tunnel Hill are January through March, November and December.
How much does it snow in Tunnel Hill?
Throughout the year, in Tunnel Hill, Illinois, there are 11 snowfall days, and 1.57" (40mm) of snow is accumulated.
What are the months with the least sunshine in Tunnel Hill?
The months with the least sunshine are January and February, with an average of 4.6h of sunshine.
When is the lowest UV index in Tunnel Hill?
The months with the lowest UV index in Tunnel Hill are January, February and December, with an average maximum UV index of 2.
When does it snow the most in Tunnel Hill?
The month with the most snowfall in Tunnel Hill, Illinois, is February, when snow falls for 3.2 days and typically aggregates up to 0.67" (17mm) of snow.
What is the most humid month in Tunnel Hill?
March and May, with an average relative humidity of 79%, are most humid months in Tunnel Hill, Illinois.
When is Daylight Saving Time (DST) in Tunnel Hill?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Tunnel Hill, 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.
When it does not snow in Tunnel Hill?
In Tunnel Hill, snow does not fall in April through October.
What are the months with the highest UV index in Tunnel Hill?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the rainiest month in Tunnel Hill?
June is the month with the most rainfall in Tunnel Hill. Rain falls for 12.5 days and accumulates 1.5" (38mm) of precipitation.
When are the longest days in Tunnel Hill?
With an average of 14h and 42min of daylight, June has the longest days of the year in Tunnel Hill.
What is the month with the most sunshine in Tunnel Hill?
The months with the most sunshine in Tunnel Hill are June and July, with an average of 10.4h of sunshine.
What are the warmest months in Tunnel Hill?
The highest temperatures in Tunnel Hill, Illinois, are recorded in July, with averages reaching a high of 88°F (31.1°C) and a low of 68.5°F (20.3°C).
What is the driest month in Tunnel Hill?
The month with the least rainfall in Tunnel Hill is September, when the rain falls for 8.3 days and typically collects 0.47" (12mm) of precipitation.
What is the least humid month in Tunnel Hill?
October is the least humid month in Tunnel Hill, with an average relative humidity of 71%.
What is the month with the shortest days in Tunnel Hill?
The month with the shortest days in Tunnel Hill is December, with an average of 9h and 36min of daylight.
Average temperature
Tunnel Hill, IL
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure
Tunnel Hill, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Tunnel Hill, IL
- Average wind speed in January:
9mph - Average wind speed in February:
9mph - Average wind speed in March:
8.9mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.6mph - Average wind speed in November:
8.2mph - Average wind speed in December:
8.5mph
The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity
Tunnel Hill, IL
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Tunnel Hill, IL
- Average rainfall in January:
0.75" - Average rainfall in February:
1.14" - Average rainfall in March:
1.22" - Average rainfall in April:
1.22" - Average rainfall in May:
1.34" - Average rainfall in June:
1.5"
- Average rainfall in July:
1.42" - Average rainfall in August:
1.3" - Average rainfall in September:
0.47" - Average rainfall in October:
0.98" - Average rainfall in November:
0.91" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days
Tunnel Hill, IL
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
12.7 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
13.1 days - Average rainfall days in August:
11.9 days - Average rainfall days in September:
8.3 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).
Average snowfall
Tunnel Hill, IL
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Tunnel Hill, IL
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
3.2 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0.2 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:
0.1 days - Average snowfall days in November:
1 days - Average snowfall days in December:
1.9 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Tunnel Hill, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days
Tunnel Hill, IL
- Average sunshine days in January:
21.4 days - Average sunshine days in February:
17.5 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
16.7 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
15.1 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
19.1 days - Average sunshine days in October:
21.5 days - Average sunshine days in November:
20.8 days - Average sunshine days in December:
21.2 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).
Average UV index
Tunnel Hill, IL
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Tunnel Hill, IL
The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility
Tunnel Hill, IL
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).
Tunnel Hill, Illinois, USA
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