Climate and monthly weather forecast
Milton, IL

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Weather in January

January, like December, in Milton, Illinois, is an icy winter month, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 33.8°F (1°C). With average high temperatures of 33.8°F (1°C) and lows of 21.6°F (-5.8°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Milton, Illinois, with an average temperature fluctuating between 38.8°F (3.8°C) and 25°F (-3.9°C). Milton's February average high-temperature settles at a still icy 38.8°F (3.8°C), showing a near match with the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Milton, Illinois, with an average temperature ranging between min 36°F (2.2°C) and max 51.4°F (10.8°C). The shift into March is characterized by a rise in the average high-temperature, transitioning from February's icy 38.8°F (3.8°C) to a fresh 51.4°F (10.8°C). Weather in March »

Weather in April

April in Milton, Illinois, is an enjoyable spring month, with an average temperature varying between 46°F (7.8°C) and 63.5°F (17.5°C). The shift into April is marked by a rise in the average high-temperature, moving from March's cool 51.4°F (10.8°C) to a comfortable 63.5°F (17.5°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Milton, Illinois, with an average temperature fluctuating between 55.8°F (13.2°C) and 72.3°F (22.4°C). The onset of May marks a slight increase in the average high-temperature, moving from an enjoyable 63.5°F (17.5°C) in April to a pleasant 72.3°F (22.4°C). Weather in May »

Weather in June

June, the first month of the summer in Milton, is a warm month, with an average temperature fluctuating between 64.6°F (18.1°C) and 82°F (27.8°C). With the arrival of June, the average high-temperature transitions from an agreeable 72.3°F (22.4°C) in May to a warm 82°F (27.8°C). Weather in June »

Weather in July

July, like June, in Milton, Illinois, is a moderately hot summer month, with an average temperature ranging between min 66.7°F (19.3°C) and max 84.4°F (29.1°C). July, known for its average high temperature of 84.4°F (29.1°C) and an average low temperature of 66.7°F (19.3°C), is the warmest month. For July, the heat index is evaluated at a fiery hot 95°F (35°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Milton, Illinois, with an average temperature varying between 65.5°F (18.6°C) and 83.5°F (28.6°C). Milton, Illinois, experiences a recorded average high-temperature of a still moderately hot 83.5°F (28.6°C) in August, closely aligned with July's 84.4°F (29.1°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Milton, Illinois, with an average temperature ranging between max 78.3°F (25.7°C) and min 58.6°F (14.8°C). September's weather records an average high-temperature of a still warm 78.3°F (25.7°C), showing little deviation from August. Weather in September »

Weather in October

October, like September, in Milton, Illinois, is another refreshing autumn month, with an average temperature ranging between max 64.2°F (17.9°C) and min 47.3°F (8.5°C). With October's onset, the weather shows a temperature decrease, transitioning from a warm 78.3°F (25.7°C) in September to a comfortable 64.2°F (17.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Milton, is also a fresh month, with an average temperature varying between 50.9°F (10.5°C) and 36.3°F (2.4°C). The onset of November brings a small change in high-temperatures, falling from a comfortable 64.2°F (17.9°C) in October to a cool 50.9°F (10.5°C). Weather in November »

Weather in December

December, the first month of the winter in Milton, is still a cold month, with an average temperature varying between 27.9°F (-2.3°C) and 39°F (3.9°C). The start of December signals a decrease in the average high-temperature, transitioning from a cool 50.9°F (10.5°C) in November to a wintry 39°F (3.9°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Milton?

January, having an average high-temperature of 33.8°F (1°C) and an average low-temperature of 21.6°F (-5.8°C), is the coldest month.

How much does it rain in Milton?

In Milton, Illinois, during the entire year, the rain falls for 128.8 days and collects up to 18.35" (466mm) of precipitation.

When does it snow in Milton?

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

When does it snow the most in Milton?

January is the month with the most snowfall. Snow falls for 6.3 days and accumulates 2.05" (52mm) of snow.

How many days does it snow in Milton?

In Milton, Illinois, during the entire year, snow falls for 21.9 days and aggregates up to 5.67" (144mm) of snow.

What is the month with the least sunshine in Milton?

The month with the least sunshine is January, with an average of 4.4h of sunshine.

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

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

What is the driest month in Milton?

February is the month with the least rainfall in Milton. Rain falls for 5.8 days and accumulates 0.75" (19mm) of precipitation.

When is Daylight Saving Time (DST) in Milton?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Milton, 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 Milton?

May is the month with the most rainfall in Milton, Illinois. Rain falls for 16.8 days and accumulates 2.44" (62mm) of precipitation.

When it does not snow in Milton?

In Milton, Illinois, snow does not fall in May through October.

What are the most humid months in Milton?

The months with the highest humidity in Milton, Illinois, are June and July, with an average relative humidity of 81%.

When are the longest days in Milton?

June has the longest days of the year, with an average of 14h and 54min of daylight.

What is the month with the most sunshine in Milton?

The months with the most sunshine in Milton are June and July, with an average of 10.3h of sunshine.

When is the highest UV index in Milton?

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

What part of the year is the hottest in Milton?

With average temperatures fluctuating between a high of 84.4°F (29.1°C) and a low of 66.7°F (19.3°C), July stands out as the warmest month.

What is the least humid month in Milton?

The least humid month in Milton, Illinois, is October, with an average relative humidity of 71%.

What is the month with the shortest days in Milton?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

Average temperature
Milton, IL

Average temperature - Milton, IL

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (33.8°F).

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure
Milton, IL

Average pressure - Milton, IL

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Milton, IL

Average wind speed - Milton, IL

The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity
Milton, IL

Average humidity - Milton, IL

The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Milton, IL

Average rainfall - Milton, IL

The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days
Milton, IL

Average rainfall days - Milton, IL

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.5 days).

Average snowfall
Milton, IL

Average snowfall - Milton, IL

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Milton, IL

Average snowfall days - Milton, IL

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Milton, IL

Average daylight / Average sunshine - Milton, IL

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days
Milton, IL

Average sunshine days - Milton, IL

The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is June (12.3 days).

Average UV index
Milton, IL

Average UV index - Milton, 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
Milton, IL

Average cloud cover - Milton, IL

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).

Average visibility
Milton, IL

Average visibility - Milton, 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).

Milton, Illinois, USA

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