Climate and monthly weather forecastTiskilwa, IL
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Tiskilwa, Illinois, with an average temperature fluctuating between 28.8°F (-1.8°C) and 16.5°F (-8.6°C). In Tiskilwa, the month of January is known for its lowest average temperatures, reaching a high of 28.8°F (-1.8°C) and a low of 16.5°F (-8.6°C). Weather in January »Weather in February
The last month of the winter, February, is a cold month in Tiskilwa, Illinois, with temperature in the range of an average low of 19.8°F (-6.8°C) and an average high of 32.7°F (0.4°C). The unfolding of February shows an average high-temperature of an icy 32.7°F (0.4°C), indicating a slight variance from January's 28.8°F (-1.8°C). Weather in February »Weather in March
March, the first month of the spring in Tiskilwa, is a frosty month, with an average temperature ranging between min 32°F (0°C) and max 46.8°F (8.2°C). March's arrival is marked by an increase in the average high-temperature, moving from a cold 32.7°F (0.4°C) in February to a frosty 46.8°F (8.2°C). Weather in March »Weather in April
April in Tiskilwa, Illinois, is a refreshing spring month, with an average temperature fluctuating between 42.4°F (5.8°C) and 58.6°F (14.8°C). Observing a rise in April, the average high-temperature goes from March's chilly 46.8°F (8.2°C) to a refreshing 58.6°F (14.8°C). Weather in April »Weather in May
May, the last month of the spring in Tiskilwa, is an agreeable month, with an average temperature varying between 53.4°F (11.9°C) and 70.3°F (21.3°C). The arrival of May sees a shift in the average high-temperature, moving from a moderate 58.6°F (14.8°C) in April to an agreeable 70.3°F (21.3°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Tiskilwa, Illinois, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 61.5°F (16.4°C). The transition from May to June brings a subtle temperature rise, with average high-temperatures increasing from an agreeable 70.3°F (21.3°C) to a moderately hot 78.6°F (25.9°C). Weather in June »Weather in July
July, like June, in Tiskilwa, Illinois, is another warm summer month, with an average temperature ranging between min 64.2°F (17.9°C) and max 80.6°F (27°C). July, known for its average high temperature of 80.6°F (27°C) and an average low temperature of 64.2°F (17.9°C), is the warmest month. July's average heat index is estimated at a tropical 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Tiskilwa, Illinois, with temperature in the range of an average low of 62.1°F (16.7°C) and an average high of 79.5°F (26.4°C). Tiskilwa greets August with an average high-temperature of a still moderately hot 79.5°F (26.4°C), marking a slight deviation from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Tiskilwa, Illinois, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 56.1°F (13.4°C). September reports an average high-temperature of a still warm 74.7°F (23.7°C), slightly varied from August's 79.5°F (26.4°C). Weather in September »Weather in October
October, like September, in Tiskilwa, Illinois, is another enjoyable autumn month, with temperature in the range of an average high of 61.2°F (16.2°C) and an average low of 45.3°F (7.4°C). The onset of October coincides with a reduction in the average high-temperature, falling from a moderately hot 74.7°F (23.7°C) in September to an enjoyable 61.2°F (16.2°C). Weather in October »Weather in November
November, the last month of the autumn in Tiskilwa, is another chilly month, with an average temperature ranging between min 33.6°F (0.9°C) and max 46.4°F (8°C). The shift into November brings a noticeable decrease in the average high-temperature, falling from an enjoyable 61.2°F (16.2°C) in October to a chilly 46.4°F (8°C). Weather in November »Weather in December
December, the first month of the winter in Tiskilwa, is also a wintry month, with an average temperature varying between 34.5°F (1.4°C) and 24.1°F (-4.4°C). The move into December indicates a reduction in the average high-temperature, down from November's frosty 46.4°F (8°C) to a wintry 34.5°F (1.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Tiskilwa, 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 (28.8°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 (16.5°F).
Average pressure
Tiskilwa, IL
- Average pressure in January:
30.13"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:
29.95"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:
30.03"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 (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Tiskilwa, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.2mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity
Tiskilwa, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Tiskilwa, IL
- Average rainfall in January:
0.75" - Average rainfall in February:
0.83" - Average rainfall in March:
1.1" - Average rainfall in April:
2.09" - Average rainfall in May:
2.91" - Average rainfall in June:
1.89"
- Average rainfall in July:
1.77" - Average rainfall in August:
1.5" - Average rainfall in September:
1.22" - Average rainfall in October:
1.65" - Average rainfall in November:
1.02" - Average rainfall in December:
0.91"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days
Tiskilwa, IL
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4.5 days - Average rainfall days in March:
10.6 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
17 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
10.7 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.5 days).
Average snowfall
Tiskilwa, IL
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
Tiskilwa, IL
- Average snowfall days in January:
10.4 days - Average snowfall days in February:
8.5 days - Average snowfall days in March:
3.6 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:
0.1 days - Average snowfall days in October:
0.4 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
7.1 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight / Average sunshine
Tiskilwa, 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 18min
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 18min).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 24min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 12min
The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Tiskilwa, IL
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
15.6 days - Average sunshine days in March:
17 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
11.9 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
12.9 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
17.6 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (11.8 days).
Average UV index
Tiskilwa, IL
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Tiskilwa, IL
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility
Tiskilwa, 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).





