Climate and monthly weather forecast
Cadiz, IL

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Weather in January

January, the same as December, is a wintry winter month in Cadiz, Illinois, with an average temperature fluctuating between 39.7°F (4.3°C) and 26.8°F (-2.9°C). January, noted for its average high-temperature of 39.7°F (4.3°C) and an average low-temperature of 26.8°F (-2.9°C), is considered the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Cadiz, is a chilly month, with an average temperature ranging between min 30.6°F (-0.8°C) and max 44.6°F (7°C). The average high-temperature during February is a chilly 44.6°F (7°C), almost matching the conditions of the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a refreshing month in Cadiz, Illinois, with an average temperature ranging between min 39.6°F (4.2°C) and max 55.4°F (13°C). In March, the average high-temperature increases from a chilly 44.6°F (7°C) in February to a mild 55.4°F (13°C). Weather in March »

Weather in April

April is an enjoyable spring month in Cadiz, Illinois, with an average temperature varying between 66.4°F (19.1°C) and 48.9°F (9.4°C). April sees a rise in the average high-temperature, climbing from a mild 55.4°F (13°C) in March to an enjoyable 66.4°F (19.1°C). Weather in April »

Weather in May

May, the last month of the spring in Cadiz, is a moderately hot month, with an average temperature varying between 58.3°F (14.6°C) and 75.6°F (24.2°C). May signals a shift in the average high-temperature, moving from April's enjoyable 66.4°F (19.1°C) to a warm 75.6°F (24.2°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Cadiz, Illinois, with an average temperature fluctuating between 66.4°F (19.1°C) and 84°F (28.9°C). June's onset witnesses a minor shift in the average high-temperature, moving from a moderately hot 75.6°F (24.2°C) in May to a still warm 84°F (28.9°C). Weather in June »

Weather in July

July is a tropical summer month in Cadiz, Illinois, with an average temperature varying between 68.4°F (20.2°C) and 86.2°F (30.1°C). In Cadiz, the month of July registers the highest temperatures, averaging 86.2°F (30.1°C) at the peak and 68.4°F (20.2°C) at the lowest. During July, the heat index is appraised at a very hot 98.6°F (37°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Cadiz, Illinois, with an average temperature ranging between max 84.9°F (29.4°C) and min 66.2°F (19°C). Cadiz observes a minor difference in average high-temperatures between July's 86.2°F (30.1°C) and August's 84.9°F (29.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Cadiz, Illinois, with an average temperature varying between 60.8°F (16°C) and 79.9°F (26.6°C). Cadiz notes an average high-temperature of a still warm 79.9°F (26.6°C) in September, displaying minor variation from August. Weather in September »

Weather in October

October, like September, in Cadiz, Illinois, is another comfortable autumn month, with an average temperature fluctuating between 49.6°F (9.8°C) and 67.8°F (19.9°C). As September transitions into October, Cadiz sees a drop in the average high-temperature, transitioning from a warm 79.9°F (26.6°C) to a comfortable 67.8°F (19.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Cadiz, is also a fresh month, with an average temperature fluctuating between 38.8°F (3.8°C) and 54.1°F (12.3°C). The average high-temperature decreases in November, shifting from an enjoyable 67.8°F (19.9°C) in October to a fresh 54.1°F (12.3°C). Weather in November »

Weather in December

December, the first month of the winter in Cadiz, is still a chilly month, with an average temperature fluctuating between 44.6°F (7°C) and 32.9°F (0.5°C). Observing a mild shift, the average high-temperature during December reduces from November's cool 54.1°F (12.3°C) to a frosty 44.6°F (7°C). Weather in December »
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Cadiz experiences its lowest temperatures in January, with an average peak of 39.7°F (4.3°C) and a low of 26.8°F (-2.9°C).

How many days does it rain?

In Cadiz, during the entire year, the rain falls for 146.3 days and collects up to 24.96" (634mm) of precipitation.

When does it snow?

January through April, November and December are months with snowfall.

How much does it snow?

Throughout the year, there are 15.9 snowfall days, and 3.58" (91mm) of snow is accumulated.

What is the month with the least sunshine?

With an average of 4.5h of sunshine, January has the least sunshine of the year in Cadiz.

What are the months with the lowest UV index?

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

What is the snowiest month?

February is the month with the most snowfall. Snow falls for 4.3 days and accumulates 0.87" (22mm) of snow.

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 wettest month?

The month with the most rainfall is April, when the rain falls for 14.7 days and typically aggregates up to 3.27" (83mm) of precipitation.

What is the most humid month?

May is the most humid month, with an average relative humidity of 80%.

When it does not snow?

May through October are months without snowfall.

When is the highest UV index?

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

When are the longest days?

The month with the longest days is June, with an average of 14h and 42min of daylight.

What are the warmest months in Cadiz?

In Cadiz, the average highest temperatures are observed in July, with a high of 86.2°F (30.1°C) and a low of 68.4°F (20.2°C).

What month has the most sunshine?

With an average of 10.6h of sunshine, July has the most sunshine of the year.

What is the driest month?

September is the month with the least rainfall. Rain falls for 10.8 days and accumulates 1.14" (29mm) of precipitation.

What is the least humid month?

October is the least humid month, with an average relative humidity of 70%.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

Average temperature
Cadiz, IL

Average temperature - Cadiz, IL

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure
Cadiz, IL

Average pressure - Cadiz, IL

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed
Cadiz, IL

Average wind speed - Cadiz, IL

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average rainfall
Cadiz, IL

Average rainfall - Cadiz, IL

The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").

Average rainfall days
Cadiz, IL

Average rainfall days - Cadiz, IL

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).

Average snowfall
Cadiz, IL

Average snowfall - Cadiz, IL

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Cadiz, IL

Average snowfall days - Cadiz, IL

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Cadiz, IL

Average daylight / Average sunshine - Cadiz, IL

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days
Cadiz, IL

Average sunshine days - Cadiz, IL

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).

Average UV index
Cadiz, IL

Average UV index - Cadiz, IL

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average visibility
Cadiz, IL

Average visibility - Cadiz, 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).

Cadiz, Illinois, USA

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