Climate and monthly weather forecast
Hanna City, IL

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Weather in January

January, like December, is another subzero cold winter month in Hanna City, Illinois, with an average temperature varying between 18.9°F (-7.3°C) and 30.7°F (-0.7°C). Temperature records mark January as the coldest month, with highs averaging 30.7°F (-0.7°C) and lows at 18.9°F (-7.3°C). Weather in January »

Weather in February

February, the last month of the winter in Hanna City, is a cold month, with an average temperature varying between 35.2°F (1.8°C) and 22.5°F (-5.3°C). Hanna City, Illinois, registers an average high-temperature of a cold 35.2°F (1.8°C) with the arrival of February, showing minor deviation from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Hanna City, is a frosty month, with an average temperature fluctuating between 49.1°F (9.5°C) and 34°F (1.1°C). March witnesses an increase in the average high-temperature, moving from a wintry 35.2°F (1.8°C) in February to a chilly 49.1°F (9.5°C). Weather in March »

Weather in April

April in Hanna City, Illinois, is a comfortable spring month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 60.8°F (16°C). The arrival of April brings an increase in high-temperatures, moving from a frosty 49.1°F (9.5°C) in March to an enjoyable 60.8°F (16°C). Weather in April »

Weather in May

May, the last month of the spring in Hanna City, is an agreeable month, with an average temperature fluctuating between 55°F (12.8°C) and 71.6°F (22°C). The onset of May marks an increase in the average high-temperature, moving from an enjoyable 60.8°F (16°C) in April to an agreeable 71.6°F (22°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Hanna City, Illinois, with an average temperature varying between 79.9°F (26.6°C) and 63.1°F (17.3°C). With the beginning of June, Hanna City's average high-temperature sees a minor increase, transitioning from a pleasant 71.6°F (22°C) in May to a warm 79.9°F (26.6°C). Weather in June »

Weather in July

July, like June, in Hanna City, Illinois, is a moderately hot summer month, with temperature in the range of an average low of 65.3°F (18.5°C) and an average high of 82°F (27.8°C). In Hanna City, the average temperatures in July are the highest, with a peak at 82°F (27.8°C) and a low of 65.3°F (18.5°C). The heat index value during July is estimated at a hot 89.6°F (32°C). Weather in July »

Weather in August

August, the last month of the summer in Hanna City, is also a moderately hot month, with an average temperature ranging between min 63.3°F (17.4°C) and max 81.1°F (27.3°C). August's presence records an average high-temperature of a still moderately hot 81.1°F (27.3°C), closely mirroring July's climate. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Hanna City, Illinois, with an average temperature varying between 76.1°F (24.5°C) and 57.2°F (14°C). Hanna City experiences a minor change to a still warm 76.1°F (24.5°C) in average high-temperature during September, closely reflecting August. Weather in September »

Weather in October

October, like September, in Hanna City, Illinois, is another comfortable autumn month, with an average temperature varying between 46.4°F (8°C) and 62.1°F (16.7°C). As Hanna City, Illinois, enters October, the average high-temperature decreases from the a moderately hot 76.1°F (24.5°C) of September to a comfortable 62.1°F (16.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Hanna City, Illinois, with temperature in the range of an average high of 48.4°F (9.1°C) and an average low of 34.7°F (1.5°C). The onset of November brings a small change in high-temperatures, falling from a comfortable 62.1°F (16.7°C) in October to a frosty 48.4°F (9.1°C). Weather in November »

Weather in December

December, the first month of the winter in Hanna City, is still a cold month, with an average temperature ranging between max 36.5°F (2.5°C) and min 26.1°F (-3.3°C). A moderate decline in the average high-temperature is seen during December, decreasing from a chilly 48.4°F (9.1°C) in November to a wintry 36.5°F (2.5°C). Weather in December »
Updated: Jun 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January brings the lowest temperatures, with an average high of 30.7°F (-0.7°C) and an average low of 18.9°F (-7.3°C).

What is the driest month?

January is the month with the least rainfall. Rain falls for 5.2 days and accumulates 0.75" (19mm) of precipitation.

How much does it rain?

Throughout the year, there are 129.2 rainfall days, and 17.24" (438mm) of precipitation is accumulated.

When does it snow in Hanna City?

Months with snowfall are January through April, October through December.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 9 days and typically aggregates up to 2.36" (60mm) of snow.

How much does it snow?

Throughout the year, there are 26.7 snowfall days, and 7.09" (180mm) of snow is accumulated.

What is the month with the least sunshine?

With an average of 4h of sunshine, January has the least sunshine of the year.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hanna City.

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?

The month with the most rainfall in Hanna City is May, when the rain falls for 16.8 days and typically aggregates up to 2.64" (67mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

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?

The month with the most sunshine is June, with an average of 10.3h of sunshine.

What is the month with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What time of the year is the hottest?

July is Hanna City's warmest month, registering average high temperatures of 82°F (27.8°C) and lows of 65.3°F (18.5°C).

What is the most humid month?

With an average relative humidity of 84%, July is the most humid month.

What is the least humid month?

With an average relative humidity of 71%, October is the least humid month.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

Average temperature
Hanna City, IL

Average temperature - Hanna City, IL

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.7°F).

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure
Hanna City, IL

Average pressure - Hanna City, IL

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
Hanna City, IL

Average wind speed - Hanna City, IL

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity
Hanna City, IL

Average humidity - Hanna City, IL

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Hanna City, IL

Average rainfall - Hanna City, IL

The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days
Hanna City, IL

Average rainfall days - Hanna City, IL

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).

Average snowfall
Hanna City, IL

Average snowfall - Hanna City, IL

The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Hanna City, IL

Average snowfall days - Hanna City, IL

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Hanna City, IL

Average daylight / Average sunshine - Hanna City, IL

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).

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days
Hanna City, IL

Average sunshine days - Hanna City, IL

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.3 days).

Average UV index
Hanna City, IL

Average UV index - Hanna City, 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 visibility
Hanna City, IL

Average visibility - Hanna City, 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).

Hanna City, Illinois, USA

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