Climate and monthly weather forecast
Brocton, IL

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Weather in January

January, like December, in Brocton, Illinois, is an icy winter month, with an average temperature fluctuating between 33.8°F (1°C) and 21.7°F (-5.7°C). January is the coldest month of the year, registering average temperatures as high as 33.8°F (1°C) and as low as 21.7°F (-5.7°C). Weather in January »

Weather in February

February, the last month of the winter in Brocton, is also an icy month, with an average temperature fluctuating between 38.8°F (3.8°C) and 25.5°F (-3.6°C). Brocton marks the onset of February with an average high-temperature of a still icy 38.8°F (3.8°C), a subtle shift from January's 33.8°F (1°C). Weather in February »

Weather in March

March, the first month of the spring in Brocton, is a fresh month, with an average temperature fluctuating between 36°F (2.2°C) and 50.4°F (10.2°C). With the onset of March, Brocton's weather sees a temperature rise, transitioning from an icy 38.8°F (3.8°C) in February to a fresh 50.4°F (10.2°C). Weather in March »

Weather in April

April is an enjoyable spring month in Brocton, Illinois, with an average temperature fluctuating between 62.2°F (16.8°C) and 46°F (7.8°C). Brocton's weather in April shows a rise in the average high-temperature, moving up from March's cool 50.4°F (10.2°C) to an enjoyable 62.2°F (16.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Brocton, Illinois, with temperature in the range of an average low of 56.1°F (13.4°C) and an average high of 72.7°F (22.6°C). May brings a rise in Brocton's average high-temperature, moving from a refreshing 62.2°F (16.8°C) in April to a pleasant 72.7°F (22.6°C). Weather in May »

Weather in June

June, the first month of the summer in Brocton, is a moderately hot month, with temperature in the range of an average high of 80.6°F (27°C) and an average low of 64°F (17.8°C). As Brocton welcomes June, the average high-temperature sees a modest rise, transitioning from a pleasant 72.7°F (22.6°C) in May to a moderately hot 80.6°F (27°C). Weather in June »

Weather in July

July, like June, in Brocton, Illinois, is another warm summer month, with an average temperature fluctuating between 65.8°F (18.8°C) and 82.4°F (28°C). Brocton reaches its highest average temperatures in July, measuring 82.4°F (28°C) at the peak and 65.8°F (18.8°C) at the lowest. The average heat index in July is calculated to be a tropical 91.4°F (33°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Brocton, Illinois, with an average temperature fluctuating between 81.1°F (27.3°C) and 64°F (17.8°C). August's weather displays an average high-temperature of a still moderately hot 81.1°F (27.3°C), slightly varied from July's 82.4°F (28°C). Weather in August »

Weather in September

September, the first month of the autumn in Brocton, is also a moderately hot month, with an average temperature fluctuating between 77.2°F (25.1°C) and 58.6°F (14.8°C). September's onset records a minor alteration in the average high-temperature to a still moderately hot 77.2°F (25.1°C) from August's 81.1°F (27.3°C). Weather in September »

Weather in October

October, like September, in Brocton, Illinois, is another refreshing autumn month, with temperature in the range of an average high of 64°F (17.8°C) and an average low of 47.7°F (8.7°C). Brocton's October weather features a mild decline in high-temperatures, reducing from a warm 77.2°F (25.1°C) in September to a refreshing 64°F (17.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Brocton, is also a frosty month, with temperature in the range of an average high of 49.6°F (9.8°C) and an average low of 36°F (2.2°C). The average high-temperature exhibits a considerable decrease in November, dropping from an enjoyable 64°F (17.8°C) in October to a chilly 49.6°F (9.8°C). Weather in November »

Weather in December

December, the first month of the winter in Brocton, is still a cold month, with an average temperature fluctuating between 28.2°F (-2.1°C) and 39°F (3.9°C). As Brocton, Illinois, enters December, the average high-temperature decreases from the a chilly 49.6°F (9.8°C) of November to an icy 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 month is the coldest in Brocton?

The month of January, characterized by an average high of 33.8°F (1°C) and a low of 21.7°F (-5.7°C), is recognized as the coldest.

How much does it rain in Brocton?

In Brocton, Illinois, during the entire year, the rain falls for 133.4 days and collects up to 19.49" (495mm) of precipitation.

When does it snow in Brocton?

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

How many days does it snow in Brocton?

Throughout the year, in Brocton, Illinois, there are 23.7 snowfall days, and 5.2" (132mm) of snow is accumulated.

What is the month with the least sunshine in Brocton?

The month with the least sunshine is January, with an average of 4h of sunshine.

What are the months with the lowest UV index in Brocton?

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

What is the driest month in Brocton?

The month with the least rainfall in Brocton, Illinois, is February, when the rain falls for 6.3 days and typically collects 0.94" (24mm) of precipitation.

When is Daylight Saving Time (DST) in Brocton?

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

The month with the most rainfall in Brocton, Illinois, is April, when the rain falls for 13.6 days and typically aggregates up to 2.76" (70mm) of precipitation.

When it does not snow in Brocton?

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

When are the longest days in Brocton?

The month with the longest days in Brocton, Illinois, is June, with an average of 14h and 54min of daylight.

What month has the most sunshine in Brocton?

June has the most sunshine of the year in Brocton, with an average of 10.3h of sunshine.

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

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

What time of the year is the hottest in Brocton?

July is the warmest month, exhibiting average temperatures of 82.4°F (28°C) at the peak and 65.8°F (18.8°C) at the base.

What is the most humid month in Brocton?

July is the most humid month in Brocton, Illinois, with an average relative humidity of 83%.

What is the least humid month in Brocton?

October is the least humid month in Brocton, with an average relative humidity of 71%.

When does it snow the most in Brocton?

The month with the most snowfall in Brocton, Illinois, is December, when snow falls for 4.8 days and typically aggregates up to 1.61" (41mm) of snow.

What is the month with the shortest days in Brocton?

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

Average temperature
Brocton, IL

Average temperature - Brocton, IL

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.8°F).

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure
Brocton, IL

Average pressure - Brocton, IL

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Brocton, IL

Average wind speed - Brocton, IL

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).

Average humidity
Brocton, IL

Average humidity - Brocton, IL

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Brocton, IL

Average rainfall - Brocton, IL

The wettest month (with the highest rainfall) is April (2.76").
The driest month (with the least rainfall) is February (0.94").

Average rainfall days
Brocton, IL

Average rainfall days - Brocton, IL

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (6.3 days).

Average snowfall
Brocton, IL

Average snowfall - Brocton, IL

The month with the highest snowfall is December (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Brocton, IL

Average snowfall days - Brocton, IL

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Brocton, IL

Average daylight / Average sunshine - Brocton, 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 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
Brocton, IL

Average sunshine days - Brocton, IL

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.3 days).

Average UV index
Brocton, IL

Average UV index - Brocton, IL

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

Average visibility
Brocton, IL

Average visibility - Brocton, 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).

Brocton, Illinois, USA

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