Climate and monthly weather forecast
Dalzell, IL

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Weather in January

January, like December, is a freezing cold winter month in Dalzell, Illinois, with an average temperature varying between 16.9°F (-8.4°C) and 28.9°F (-1.7°C). Dalzell reaches its lowest average temperatures in January, measuring 28.9°F (-1.7°C) at the peak and 16.9°F (-8.4°C) at the lowest. Weather in January »

Weather in February

February, the last month of the winter in Dalzell, is a cold month, with an average temperature fluctuating between 33.4°F (0.8°C) and 20.5°F (-6.4°C). The advent of February observes an average high-temperature of a cold 33.4°F (0.8°C), nearly identical to January's 28.9°F (-1.7°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Dalzell, Illinois, with temperature in the range of an average high of 46.8°F (8.2°C) and an average low of 32.4°F (0.2°C). March witnesses an increase in the average high-temperature, moving from an icy 33.4°F (0.8°C) in February to a frosty 46.8°F (8.2°C). Weather in March »

Weather in April

April is a refreshing spring month in Dalzell, Illinois, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 58.8°F (14.9°C). Dalzell in April shows a temperature shift, moving from an average high of a chilly 46.8°F (8.2°C) in March to a moderate 58.8°F (14.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Dalzell, Illinois, with temperature in the range of an average high of 70.5°F (21.4°C) and an average low of 53.6°F (12°C). The arrival of May signals an increase in the average high-temperature, moving from a moderate 58.8°F (14.9°C) in April to an agreeable 70.5°F (21.4°C). Weather in May »

Weather in June

June, the first month of the summer in Dalzell, is a moderately hot month, with an average temperature ranging between max 78.8°F (26°C) and min 61.5°F (16.4°C). June witnesses a minor rise in the average high-temperature, transitioning from a pleasant 70.5°F (21.4°C) in May to a moderately hot 78.8°F (26°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Dalzell, Illinois, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 80.6°F (27°C). Dalzell's July weather, marked by an average high temperature of 80.6°F (27°C) and an average low temperature of 64.2°F (17.9°C), is the warmest in the year. July's heat index is computed to be a tropical 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Dalzell, is also a moderately hot month, with temperature in the range of an average high of 79.5°F (26.4°C) and an average low of 62.1°F (16.7°C). The beginning of August reveals an average high-temperature of a still moderately hot 79.5°F (26.4°C), showing minimal deviation from the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Dalzell, is still a warm month, with temperature in the range of an average low of 56.1°F (13.4°C) and an average high of 74.5°F (23.6°C). With the advent of September, Dalzell experiences an average high-temperature of a still warm 74.5°F (23.6°C), mirroring a close resemblance to the previous month. Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Dalzell, Illinois, with an average temperature fluctuating between 61.7°F (16.5°C) and 45.7°F (7.6°C). With the onset of October, Dalzell's average high-temperature adjusts, receding from September's warm 74.5°F (23.6°C) to an enjoyable 61.7°F (16.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Dalzell, Illinois, with an average temperature fluctuating between 33.8°F (1°C) and 46.8°F (8.2°C). A clear decrease in the average high-temperature is observed during November, decreasing from an enjoyable 61.7°F (16.5°C) in October to a chilly 46.8°F (8.2°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Dalzell, Illinois, with an average temperature ranging between max 34.9°F (1.6°C) and min 24.6°F (-4.1°C). December's onset brings a slight change in high-temperatures, falling from a frosty 46.8°F (8.2°C) in November to a cold 34.9°F (1.6°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Dalzell?

The month of January, characterized by an average high of 28.9°F (-1.7°C) and a low of 16.9°F (-8.4°C), is recognized as the coldest in Dalzell.

How much does it rain in Dalzell?

Throughout the year, in Dalzell, there are 151.4 rainfall days, and 30.67" (779mm) of precipitation is accumulated.

When does it snow in Dalzell?

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

What is the snowiest month in Dalzell?

The month with the most snowfall in Dalzell, Illinois, is January, when snow falls for 12.1 days and typically aggregates up to 4.37" (111mm) of snow.

How many days does it snow in Dalzell?

In Dalzell, Illinois, during the entire year, snow falls for 40.5 days and aggregates up to 15.16" (385mm) of snow.

What is the month with the least sunshine in Dalzell?

With an average of 3.9h of sunshine, January has the least sunshine of the year.

What is the month with the lowest UV index in Dalzell?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the driest month in Dalzell?

February is the month with the least rainfall. Rain falls for 6.1 days and accumulates 1.57" (40mm) of precipitation.

When is Daylight Saving Time (DST) in Dalzell?

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 in Dalzell?

The month with the most rainfall in Dalzell is May, when the rain falls for 18.5 days and typically aggregates up to 4.65" (118mm) of precipitation.

When it does not snow in Dalzell?

May through September are months without snowfall in Dalzell.

When are the longest days in Dalzell?

With an average of 15h and 6min of daylight, June has the longest days of the year.

What month has the most sunshine in Dalzell?

The month with the most sunshine in Dalzell is June, with an average of 9.8h of sunshine.

What are the months with the highest UV index in Dalzell?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Dalzell.

What part of the year is the hottest in Dalzell?

July is the month when Dalzell's temperatures reach their peak, with averages of 80.6°F (27°C) and lows of 64.2°F (17.9°C).

What is the most humid month in Dalzell?

With an average relative humidity of 85%, July is the most humid month.

What is the least humid month in Dalzell?

October is the least humid month in Dalzell, with an average relative humidity of 72%.

What is the month with the shortest days in Dalzell?

The month with the shortest days in Dalzell, Illinois, is December, with an average of 9h and 12min of daylight.

Average temperature
Dalzell, IL

Average temperature - Dalzell, 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 (28.9°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 (16.9°F).

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Average pressure
Dalzell, IL

Average pressure - Dalzell, IL

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Dalzell, IL

Average wind speed - Dalzell, IL

The windiest months (with the highest average wind speed) are January and April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average rainfall
Dalzell, IL

Average rainfall - Dalzell, IL

The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is February (1.57").

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Average rainfall days
Dalzell, IL

Average rainfall days - Dalzell, IL

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (5.5 days).

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Average snowfall
Dalzell, IL

Average snowfall - Dalzell, IL

The month with the highest snowfall is January (4.37").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Dalzell, IL

Average snowfall days - Dalzell, IL

The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Dalzell, IL

Average daylight / Average sunshine - Dalzell, IL

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 12min).

The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days
Dalzell, IL

Average sunshine days - Dalzell, IL

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (10.4 days).

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Average visibility
Dalzell, IL

Average visibility - Dalzell, IL

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

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Dalzell, Illinois, USA

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