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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 Trivoli, Illinois, is another subzero cold winter month, with temperature in the range of an average high of 30.4°F (-0.9°C) and an average low of 18.3°F (-7.6°C). January, with average temperatures reaching a high of 30.4°F (-0.9°C) and a low of 18.3°F (-7.6°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Trivoli, is a wintry month, with an average temperature varying between 35.2°F (1.8°C) and 22.3°F (-5.4°C). Trivoli experiences an average high-temperature of a cold 35.2°F (1.8°C) in February, marking an insignificant shift from 30.4°F (-0.9°C) in January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Trivoli, Illinois, with an average temperature ranging between min 33.6°F (0.9°C) and max 48.6°F (9.2°C). The start of March signals an increase in the average high-temperature, moving from an icy 35.2°F (1.8°C) in February to a frosty 48.6°F (9.2°C). Weather in March »
Weather in April
April in Trivoli, Illinois, is a moderate spring month, with an average temperature varying between 60.4°F (15.8°C) and 44.2°F (6.8°C). April brings a temperature increase, with average high-temperatures moving from March's frosty 48.6°F (9.2°C) to a refreshing 60.4°F (15.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Trivoli, Illinois, with an average temperature ranging between max 71.4°F (21.9°C) and min 54.5°F (12.5°C). May's arrival signals a temperature shift, moving from a refreshing 60.4°F (15.8°C) in April to a pleasant 71.4°F (21.9°C). Weather in May »
Weather in June
June, the first month of the summer in Trivoli, is a moderately hot month, with an average temperature varying between 79.9°F (26.6°C) and 63.1°F (17.3°C). The embrace of June brings a minor uplift in the average high-temperature, shifting from an agreeable 71.4°F (21.9°C) in May to a warm 79.9°F (26.6°C). Weather in June »
Weather in July
July, like June, in Trivoli, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 65.1°F (18.4°C) and 82°F (27.8°C). In Trivoli, July records the highest average temperatures, peaking at 82°F (27.8°C) and reaching a low of 65.1°F (18.4°C). The heat index value during July is evaluated at a hot 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in Trivoli, is another warm month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 63.3°F (17.4°C). Upon the beginning of August, Trivoli's high-temperatures register at a still warm 81.1°F (27.3°C), closely mirroring the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Trivoli, is also a moderately hot month, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 76.3°F (24.6°C). The initiation of September records an average high-temperature of a still moderately hot 76.3°F (24.6°C), displaying a near consistency with the previous month. Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Trivoli, Illinois, with an average temperature fluctuating between 62.1°F (16.7°C) and 46°F (7.8°C). With October's arrival, Trivoli's weather changes as the average high-temperature falls from a warm 76.3°F (24.6°C) in September to an enjoyable 62.1°F (16.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Trivoli, Illinois, with an average temperature fluctuating between 48°F (8.9°C) and 34.2°F (1.2°C). Trivoli's November weather comes with a decrease in average high-temperatures, moving from a refreshing 62.1°F (16.7°C) in October to a frosty 48°F (8.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Trivoli, Illinois, with temperature in the range of an average low of 25.7°F (-3.5°C) and an average high of 36.5°F (2.5°C). Trivoli observes a minor decrease in the average high-temperature with the arrival of December, falling from November's frosty 48°F (8.9°C) to an icy 36.5°F (2.5°C). Weather in December »
Updated: Jun 25, 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 time of the year is the coldest?
Temperature records mark January as the coldest month, with highs averaging 30.4°F (-0.9°C) and lows at 18.3°F (-7.6°C).
How much does it rain?
Throughout the year, there are 145.3 rainfall days, and 28.62" (727mm) of precipitation is accumulated.
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 10.6 days and typically aggregates up to 3.78" (96mm) of snow.
How much does it snow?
Throughout the year, there are 30.9 snowfall days, and 11.3" (287mm) of snow is accumulated.
What is the month with the least sunshine in Trivoli?
With an average of 4h of sunshine, January has the least sunshine of the year.
What are the months with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
What is the driest month?
The months with the least rainfall are February and December Rain falls for 5.8 days and accumulates 1.42" (36mm) of rain.
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 in Trivoli?
The month with the most rainfall is May, when the rain falls for 18 days and typically aggregates up to 4.29" (109mm) of precipitation.
When it does not snow?
In Trivoli, snow does not fall in May through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What month has the most sunshine?
June has the most sunshine of the year, with an average of 10.2h of sunshine.
What are the months with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What are the warmest months?
July, known for its average high temperature of 82°F (27.8°C) and an average low temperature of 65.1°F (18.4°C), is the warmest month.
What is the most humid month?
July is the most humid month in Trivoli, with an average relative humidity of 84%.
What is the least humid month?
October is the least humid month, with an average relative humidity of 72%.
What is the month with the shortest days?
The month with the shortest days in Trivoli is December, with an average of 9h and 18min of daylight.
Average temperature
Trivoli, IL
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.4°F).
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure
Trivoli, IL
- Average pressure in January:
30.14"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:
29.91"Hg
- Average pressure in July:
29.97"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:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Trivoli, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity
Trivoli, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Trivoli, IL
- Average rainfall in January:
1.46" - Average rainfall in February:
1.42" - Average rainfall in March:
2.13" - Average rainfall in April:
3.5" - Average rainfall in May:
4.29" - Average rainfall in June:
3.07"
- Average rainfall in July:
2.4" - Average rainfall in August:
1.89" - Average rainfall in September:
2.48" - Average rainfall in October:
2.83" - Average rainfall in November:
1.73" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.42").
Average rainfall days
Trivoli, IL
- Average rainfall days in January:
6.1 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
18 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.8 days).
Average snowfall
Trivoli, IL
The month with the highest snowfall is January (3.78").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Trivoli, IL
- Average snowfall days in January:
10.6 days - Average snowfall days in February:
8.2 days - Average snowfall days in March:
3.1 days - Average snowfall days in April:
1 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:
0.2 days - Average snowfall days in November:
1.8 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Trivoli, IL
- 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 3min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - 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:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Trivoli, IL
- Average sunshine days in January:
15.4 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
11.6 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
12.1 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (11.3 days).
Average UV index
Trivoli, 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
Trivoli, IL
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility
Trivoli, 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).
Trivoli, Illinois, USA
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