Climate and monthly weather forecastColusa, IL
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Colusa, Illinois, with an average temperature fluctuating between 18.7°F (-7.4°C) and 30.9°F (-0.6°C). Colusa's January weather, with an average high temperature of 30.9°F (-0.6°C) and an average low temperature of 18.7°F (-7.4°C), tends to be the coldest of the year. Weather in January »Weather in February
February, the last month of the winter in Colusa, is a wintry month, with temperature in the range of an average low of 22.3°F (-5.4°C) and an average high of 35.8°F (2.1°C). February's climate shows a minor adjustment in average high-temperatures to a wintry 35.8°F (2.1°C) from January's 30.9°F (-0.6°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Colusa, Illinois, with an average temperature ranging between min 34.2°F (1.2°C) and max 49.6°F (9.8°C). March brings a temperature increase, with average high-temperatures moving from February's cold 35.8°F (2.1°C) to a frosty 49.6°F (9.8°C). Weather in March »Weather in April
April in Colusa, Illinois, is a refreshing spring month, with an average temperature fluctuating between 44.2°F (6.8°C) and 61.3°F (16.3°C). April marks a rise in the average high-temperature, moving from March's frosty 49.6°F (9.8°C) to a refreshing 61.3°F (16.3°C). Weather in April »Weather in May
May, the last month of the spring in Colusa, is an agreeable month, with temperature in the range of an average low of 54.9°F (12.7°C) and an average high of 71.6°F (22°C). The arrival of May brings an increase in high-temperatures, moving from a comfortable 61.3°F (16.3°C) in April to an agreeable 71.6°F (22°C). Weather in May »Weather in June
June, the first month of the summer in Colusa, is a moderately hot month, with an average temperature varying between 63.7°F (17.6°C) and 80.4°F (26.9°C). The start of June brings a subtle rise in the average high-temperature, moving from an agreeable 71.6°F (22°C) in May to a warm 80.4°F (26.9°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Colusa, Illinois, with temperature in the range of an average low of 66.2°F (19°C) and an average high of 82.6°F (28.1°C). July stands out as Colusa's warmest month, with an average high-temperature of 82.6°F (28.1°C) and a low-temperature of 66.2°F (19°C). July's mean heat index is appraised at a tropical 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Colusa, Illinois, with an average temperature ranging between max 82.2°F (27.9°C) and min 63.7°F (17.6°C). Colusa's average high-temperature in August sits at a still warm 82.2°F (27.9°C), showing little difference from the previous month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Colusa, Illinois, with an average temperature varying between 76.8°F (24.9°C) and 57.4°F (14.1°C). In Colusa, the average high-temperature in September slightly decreases from 82.2°F (27.9°C) in August to a still warm 76.8°F (24.9°C). Weather in September »Weather in October
October, like September, in Colusa, Illinois, is another comfortable autumn month, with an average temperature ranging between min 46°F (7.8°C) and max 63°F (17.2°C). Colusa's October weather comes with a decrease in average high-temperatures, moving from a moderately hot 76.8°F (24.9°C) in September to an enjoyable 63°F (17.2°C). Weather in October »Weather in November
November, the last month of the autumn in Colusa, is another chilly month, with temperature in the range of an average high of 48.9°F (9.4°C) and an average low of 34.7°F (1.5°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's comfortable 63°F (17.2°C) to a frosty 48.9°F (9.4°C). Weather in November »Weather in December
December, the first month of the winter in Colusa, is still a cold month, with an average temperature fluctuating between 37°F (2.8°C) and 25.5°F (-3.6°C). Colusa's December weather features a mild decline in high-temperatures, reducing from a frosty 48.9°F (9.4°C) in November to an icy 37°F (2.8°C). Weather in December »Updated: Aug 20, 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
January, known for its average high temperature of 30.9°F (-0.6°C) and an average low temperature of 18.7°F (-7.4°C), is the coldest month.
January is the month with the least rainfall in Colusa. Rain falls for 4.3 days and accumulates 0.83" (21mm) of precipitation.
Throughout the year, there are 127.6 rainfall days, and 21.02" (534mm) of precipitation is accumulated.
January through April, October through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 8.5 days and accumulates 3.15" (80mm) of snow.
In Colusa, Illinois, during the entire year, snow falls for 26.4 days and aggregates up to 9.06" (230mm) of snow.
January has the least sunshine of the year, with an average of 4.1h of sunshine.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
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 Colusa. Rain falls for 17.5 days and accumulates 3.11" (79mm) of precipitation.
In Colusa, snow does not fall in May through September.
June has the longest days of the year, with an average of 15h and 0min of daylight.
The months with the most sunshine are June and July, with an average of 10h of sunshine.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
With its average high temperature of 82.6°F (28.1°C) and a low of 66.2°F (19°C), July is regarded as the warmest month.
July is the most humid month, with an average relative humidity of 83%.
October is the least humid month, with an average relative humidity of 71%.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Colusa, IL
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (30.9°F).
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure
Colusa, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Colusa, IL
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.2mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity
Colusa, IL
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Colusa, IL
- Average rainfall in January:
0.83" - Average rainfall in February:
1.1" - Average rainfall in March:
1.69" - Average rainfall in April:
2.4" - Average rainfall in May:
3.11" - Average rainfall in June:
2.44"
- Average rainfall in July:
2.13" - Average rainfall in August:
1.69" - Average rainfall in September:
1.77" - Average rainfall in October:
1.46" - Average rainfall in November:
1.42" - Average rainfall in December:
0.98"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days
Colusa, IL
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
11.7 days - Average rainfall days in September:
10.2 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
7.9 days - Average rainfall days in December:
5.6 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.3 days).
Average snowfall
Colusa, IL
The month with the highest snowfall is January (3.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Colusa, IL
- Average snowfall days in January:
8.5 days - Average snowfall days in February:
6.2 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.7 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:
0.3 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
5.4 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Colusa, IL
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - 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 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 6min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 24min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 42min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Colusa, IL
- Average sunshine days in January:
19.7 days - Average sunshine days in February:
17.6 days - Average sunshine days in March:
15.5 days - Average sunshine days in April:
15.1 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
14.4 days - Average sunshine days in August:
17.2 days - Average sunshine days in September:
18.4 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
20 days
The month with the most sunshine days is December (20 days).
The months with the least sunshine days are May and June (11.8 days).
Average UV index
Colusa, IL
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Colusa, IL
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility
Colusa, 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).
