Climate and monthly weather forecast
Fulton, IL

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Weather in January

January, like December, is another subzero cold winter month in Fulton, Illinois, with an average temperature ranging between min 14.5°F (-9.7°C) and max 26.8°F (-2.9°C). Fulton's January weather reaches an average high of 26.8°F (-2.9°C) and an average low of 14.5°F (-9.7°C), making it the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Fulton, is also a subzero cold month, with an average temperature varying between 31.5°F (-0.3°C) and 18.3°F (-7.6°C). A minimal variation is noted in Fulton's average high-temperature at the onset of February, reaching a still freezing cold 31.5°F (-0.3°C) from January's 26.8°F (-2.9°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Fulton, Illinois, with an average temperature varying between 30.9°F (-0.6°C) and 45.9°F (7.7°C). A notable increase in the average high-temperature is observed during March, soaring from a subzero cold 31.5°F (-0.3°C) in February to a chilly 45.9°F (7.7°C). Weather in March »

Weather in April

April in Fulton, Illinois, is a mild spring month, with an average temperature varying between 41.2°F (5.1°C) and 58.1°F (14.5°C). April marks a rise in the average high-temperature, moving from March's frosty 45.9°F (7.7°C) to a moderate 58.1°F (14.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Fulton, Illinois, with an average temperature ranging between min 52.7°F (11.5°C) and max 69.4°F (20.8°C). As Fulton transitions into May, the average high-temperature is observed to rise from a mild 58.1°F (14.5°C) in April to an agreeable 69.4°F (20.8°C). Weather in May »

Weather in June

June, the first month of the summer in Fulton, is a warm month, with an average temperature varying between 78.4°F (25.8°C) and 61.3°F (16.3°C). Fulton's transition into June is marked by a rise in the average high-temperature, advancing from an agreeable 69.4°F (20.8°C) in May to a moderately hot 78.4°F (25.8°C). Weather in June »

Weather in July

July, like June, in Fulton, Illinois, is a moderately hot summer month, with an average temperature ranging between max 80.2°F (26.8°C) and min 63.9°F (17.7°C). During the warmest month, July, temperatures average a high of 80.2°F (26.8°C) and a low of 63.9°F (17.7°C). Weather in July »

Weather in August

August, the last month of the summer in Fulton, is another warm month, with temperature in the range of an average low of 61.9°F (16.6°C) and an average high of 79.9°F (26.6°C). August experiences an average high-temperature of a still moderately hot 79.9°F (26.6°C), barely different from July's 80.2°F (26.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Fulton, is still a warm month, with an average temperature varying between 55°F (12.8°C) and 74.3°F (23.5°C). The average high-temperature shows a slight dip in September, from August's moderately hot 79.9°F (26.6°C) to a still warm 74.3°F (23.5°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Fulton, Illinois, with an average temperature fluctuating between 44.6°F (7°C) and 60.6°F (15.9°C). October brings a decrease in the average high-temperature, falling from September's moderately hot 74.3°F (23.5°C) to a moderate 60.6°F (15.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Fulton, is also a frosty month, with an average temperature ranging between max 45.9°F (7.7°C) and min 32.4°F (0.2°C). Fulton's transition into November is marked by a clear temperature shift, receding from a mild 60.6°F (15.9°C) in October to a chilly 45.9°F (7.7°C). Weather in November »

Weather in December

December, the first month of the winter in Fulton, is still a cold month, with an average temperature fluctuating between 22.8°F (-5.1°C) and 33.6°F (0.9°C). The start of December signals a decrease in the average high-temperature, transitioning from a chilly 45.9°F (7.7°C) in November to an icy 33.6°F (0.9°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Fulton?

In Fulton, Illinois, the lowest temperatures are generally noted in January, averaging a high of 26.8°F (-2.9°C) and a low of 14.5°F (-9.7°C).

What is the most humid month in Fulton?

The most humid month in Fulton is January, with an average relative humidity of 85%.

What is the driest month in Fulton?

January and February are months with the least rain in Fulton, Illinois, when the rain falls for 4.3 days and typically aggregates up to 0.79" (20mm) of rain.

How much does it rain in Fulton?

In Fulton, Illinois, during the entire year, the rain falls for 126.2 days and collects up to 19.37" (492mm) of precipitation.

When does it snow in Fulton?

January through April, October through December are months with snowfall in Fulton.

When does it snow the most in Fulton?

The month with the most snowfall in Fulton, Illinois, is January, when snow falls for 9.3 days and typically aggregates up to 2.8" (71mm) of snow.

How many days does it snow in Fulton?

In Fulton, during the entire year, snow falls for 33.3 days and aggregates up to 8.98" (228mm) of snow.

What is the month with the least sunshine in Fulton?

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 Fulton?

The month with the lowest UV index in Fulton, Illinois, is January, with an average maximum UV index of 1.

When is Daylight Saving Time (DST) in Fulton?

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 in Fulton?

May is the month with the most rainfall. Rain falls for 16.9 days and accumulates 3.19" (81mm) of precipitation.

When it does not snow in Fulton?

In Fulton, Illinois, snow does not fall in May through September.

When are the longest days in Fulton?

June has the longest days of the year in Fulton, Illinois, with an average of 15h and 12min of daylight.

What time of the year is the hottest in Fulton?

In Fulton, July is identified by the average highest temperatures, reaching a peak of 80.2°F (26.8°C) and a low of 63.9°F (17.7°C).

What month has the most sunshine in Fulton?

July has the most sunshine of the year, with an average of 9.9h of sunshine.

What is the month with the highest UV index in Fulton?

July is the month with the highest UV index, with an average maximum UV index of 6.

What is the least humid month in Fulton?

With an average relative humidity of 73%, October is the least humid month.

What is the month with the shortest days in Fulton?

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

Average temperature
Fulton, IL

Average temperature - Fulton, IL

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (26.8°F).

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

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Average pressure
Fulton, IL

Average pressure - Fulton, 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
Fulton, IL

Average wind speed - Fulton, IL

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average rainfall
Fulton, IL

Average rainfall - Fulton, IL

The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January and February (0.79").

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Average rainfall days
Fulton, IL

Average rainfall days - Fulton, IL

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall
Fulton, IL

Average snowfall - Fulton, IL

The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Fulton, IL

Average snowfall days - Fulton, IL

The month with the highest number of snowfall days is January (9.3 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
Fulton, IL

Average daylight / Average sunshine - Fulton, IL

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).

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

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Average sunshine days
Fulton, IL

Average sunshine days - Fulton, IL

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.8 days).

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Average visibility
Fulton, IL

Average visibility - Fulton, 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).

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Fulton, Illinois, USA

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