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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, is a freezing cold winter month in Genoa, Illinois, with temperature in the range of an average low of 14.2°F (-9.9°C) and an average high of 26.8°F (-2.9°C). In Genoa, the lowest average temperatures are observed in January, with a high of 26.8°F (-2.9°C) and a low of 14.2°F (-9.9°C). Weather in January »
Weather in February
February, the last month of the winter in Genoa, is another freezing cold month, with temperature in the range of an average low of 17.4°F (-8.1°C) and an average high of 30.6°F (-0.8°C). Genoa's weather in February indicates an average high-temperature of a still subzero cold 30.6°F (-0.8°C), nearly consistent with the 26.8°F (-2.9°C) of January. Weather in February »
Weather in March
March, the first month of the spring in Genoa, is a frosty month, with an average temperature fluctuating between 44.2°F (6.8°C) and 29.7°F (-1.3°C). March brings a temperature change, with average high-temperatures moving from February's subzero cold 30.6°F (-0.8°C) to a chilly 44.2°F (6.8°C). Weather in March »
Weather in April
April in Genoa, Illinois, is a refreshing spring month, with temperature in the range of an average low of 39.7°F (4.3°C) and an average high of 55.9°F (13.3°C). April sees a rise in the average high-temperature, climbing from a chilly 44.2°F (6.8°C) in March to a moderate 55.9°F (13.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Genoa, Illinois, with an average temperature fluctuating between 68.4°F (20.2°C) and 50.9°F (10.5°C). As Genoa welcomes May, the average high-temperature sees a rise, transitioning from a refreshing 55.9°F (13.3°C) in April to an agreeable 68.4°F (20.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Genoa, Illinois, with temperature in the range of an average high of 76.8°F (24.9°C) and an average low of 59.7°F (15.4°C). Genoa in June observes a minor temperature shift, with average high-temperatures adjusting from a pleasant 68.4°F (20.2°C) in May to a moderately hot 76.8°F (24.9°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Genoa, Illinois, with an average temperature fluctuating between 63.1°F (17.3°C) and 80.1°F (26.7°C). July, recording an average high temperature of 80.1°F (26.7°C) and a low temperature of 63.1°F (17.3°C), is Genoa's warmest month. Weather in July »
Weather in August
August, the last month of the summer in Genoa, is also a moderately hot month, with an average temperature fluctuating between 78.3°F (25.7°C) and 60.8°F (16°C). Genoa's August reports an average high-temperature of a still warm 78.3°F (25.7°C), exhibiting a minor difference from July. Weather in August »
Weather in September
September, the first month of the autumn in Genoa, is still a pleasant month, with an average temperature varying between 72.5°F (22.5°C) and 54.1°F (12.3°C). Start of September brings a slight shift in the average high-temperature, dipping a bit from August's warm 78.3°F (25.7°C) to an agreeable 72.5°F (22.5°C). Weather in September »
Weather in October
October, the same as September, in Genoa, Illinois, is a moderate autumn month, with temperature in the range of an average high of 59.9°F (15.5°C) and an average low of 43.7°F (6.5°C). In the transition to October, Genoa observes a drop in the average high-temperature, moving from a pleasant 72.5°F (22.5°C) in September to a moderate 59.9°F (15.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Genoa, is also a frosty month, with an average temperature fluctuating between 44.6°F (7°C) and 31.6°F (-0.2°C). Genoa's transition into November is marked by a distinct drop in the average high-temperature, reducing from a mild 59.9°F (15.5°C) in October to a frosty 44.6°F (7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Genoa, Illinois, with an average temperature fluctuating between 32.7°F (0.4°C) and 22.5°F (-5.3°C). December suggests a modest reduction in the average high-temperature, shifting from a frosty 44.6°F (7°C) in November to an icy 32.7°F (0.4°C). Weather in December »
Updated: Aug 31, 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 is the coldest time of year?
January, with its average high-temperature of 26.8°F (-2.9°C) and an average low-temperature of 14.2°F (-9.9°C), holds the record as the coldest month.
What is the most humid month?
The months with the highest humidity are January and February, with an average relative humidity of 85%.
How many days does it rain?
Throughout the year, there are 116.8 rainfall days, and 11.69" (297mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, October through December.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 10.4 days and accumulates 1.85" (47mm) of snow.
How much does it snow in Genoa?
Throughout the year, there are 38.1 snowfall days, and 4.69" (119mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 3.5h of sunshine.
What is the month 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 month with the least rainfall is February, when the rain falls for 3.5 days and typically collects 0.47" (12mm) of precipitation.
When is Daylight Saving Time (DST) in Genoa?
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.
When it does not snow?
In Genoa, snow does not fall in May through September.
What is the wettest month?
The month with the most rainfall is June, when the rain falls for 15.1 days and typically aggregates up to 1.81" (46mm) of precipitation.
When are the longest days?
June has the longest days of the year, with an average of 15h and 12min of daylight.
What is the month with the most sunshine?
June through August, with an average of 9.5h of sunshine, are months with the most sunshine in Genoa.
What is the month with the highest UV index?
June is the month with the highest UV index, with an average maximum UV index of 6.
What are the warmest months?
July, noted for its average high-temperature of 80.1°F (26.7°C) and an average low-temperature of 63.1°F (17.3°C), is considered the warmest month.
What is the least humid month?
October is the least humid month, with an average relative humidity of 75%.
What is the month with the shortest days?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Genoa, IL
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (26.8°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure
Genoa, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"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"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Genoa, IL
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Genoa, IL
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall
Genoa, IL
- Average rainfall in January:
0.55" - Average rainfall in February:
0.47" - Average rainfall in March:
0.63" - Average rainfall in April:
1.18" - Average rainfall in May:
1.73" - Average rainfall in June:
1.81"
- Average rainfall in July:
1.3" - Average rainfall in August:
1.02" - Average rainfall in September:
0.91" - Average rainfall in October:
0.91" - Average rainfall in November:
0.59" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is June (1.81").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days
Genoa, IL
- Average rainfall days in January:
4 days - Average rainfall days in February:
3.5 days - Average rainfall days in March:
10 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
15.1 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
14.2 days - Average rainfall days in August:
11.2 days - Average rainfall days in September:
9 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
6.8 days - Average rainfall days in December:
5.5 days
The months with the highest number of rainy days are May and June (15.1 days).
The month with the least rainy days is February (3.5 days).
Average snowfall
Genoa, IL
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Genoa, IL
- Average snowfall days in January:
10.4 days - Average snowfall days in February:
9.2 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.1 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:
0.6 days - Average snowfall days in November:
3.2 days - Average snowfall days in December:
8.5 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Genoa, IL
- Average daylight in January:
9h and 3min - 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 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 3min - Average sunshine in February:
3h and 4min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
9h and 3min - Average sunshine in August:
9h and 3min - Average sunshine in September:
8h and 3min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 5min
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 30min).
Average sunshine days
Genoa, IL
- Average sunshine days in January:
18.5 days - Average sunshine days in February:
17 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
15.1 days - Average sunshine days in September:
18.8 days - Average sunshine days in October:
19.6 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
19 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is June (11.2 days).
Average UV index
Genoa, IL
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Genoa, IL
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility
Genoa, IL
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Genoa, Illinois, USA
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