Climate and monthly weather forecast
Junction City, IL

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Weather in January

January, like December, in Junction City, Illinois, is another cold winter month, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 24.3°F (-4.3°C). January is the month that records the lowest temperatures, with averages ranging from a high of 37°F (2.8°C) to a low of 24.3°F (-4.3°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Junction City, Illinois, with an average temperature ranging between max 41.9°F (5.5°C) and min 27.9°F (-2.3°C). Upon the beginning of February, Junction City's high-temperatures register at a still icy 41.9°F (5.5°C), closely mirroring the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Junction City, is a cool month, with an average temperature ranging between min 37.6°F (3.1°C) and max 53.2°F (11.8°C). With the onset of March, the average high-temperature slightly shifts from February's icy 41.9°F (5.5°C) to a cool 53.2°F (11.8°C). Weather in March »

Weather in April

April in Junction City, Illinois, is an enjoyable spring month, with an average temperature varying between 64.4°F (18°C) and 47.5°F (8.6°C). The arrival of April signals an increase in the average high-temperature, moving from a fresh 53.2°F (11.8°C) in March to an enjoyable 64.4°F (18°C). Weather in April »

Weather in May

May, the last month of the spring in Junction City, is a moderately hot month, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 57.7°F (14.3°C). Junction City's transition into May sees a rise in the average high-temperature, advancing from a refreshing 64.4°F (18°C) in April to a warm 74.1°F (23.4°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Junction City, Illinois, with temperature in the range of an average low of 66.4°F (19.1°C) and an average high of 83.1°F (28.4°C). The arrival of June signals an increase in the average high-temperature, moving from a warm 74.1°F (23.4°C) in May to a still moderately hot 83.1°F (28.4°C). Weather in June »

Weather in July

July, like June, in Junction City, Illinois, is a moderately hot summer month, with temperature in the range of an average low of 67.5°F (19.7°C) and an average high of 84.7°F (29.3°C). With an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 67.5°F (19.7°C), July is the warmest month. For most parts of July, the heat index is estimated at a torrid 96.8°F (36°C). Weather in July »

Weather in August

August, the last month of the summer in Junction City, is also a moderately hot month, with an average temperature ranging between max 83.5°F (28.6°C) and min 65.8°F (18.8°C). Junction City, Illinois, registers an average high-temperature of a still moderately hot 83.5°F (28.6°C) with the arrival of August, showing minor deviation from the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Junction City, Illinois, with an average temperature fluctuating between 59.7°F (15.4°C) and 78.3°F (25.7°C). As September unfolds, the average high-temperature reaches a still warm 78.3°F (25.7°C), hinting at a slight fluctuation from the previous month. Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Junction City, Illinois, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 66.2°F (19°C). Junction City's transition into October involves a shift in temperature, receding from a moderately hot 78.3°F (25.7°C) in September to a refreshing 66.2°F (19°C). Weather in October »

Weather in November

November, the last month of the autumn in Junction City, is another cool month, with an average temperature varying between 52.2°F (11.2°C) and 37.9°F (3.3°C). A change in temperatures is noted as October gives way to November, with average highs reducing from a refreshing 66.2°F (19°C) to a cool 52.2°F (11.2°C). Weather in November »

Weather in December

December, the first month of the winter in Junction City, is also a wintry month, with an average temperature fluctuating between 30.6°F (-0.8°C) and 41.9°F (5.5°C). December's arrival coincides with a drop in the average high-temperature, decreasing from November's cool 52.2°F (11.2°C) to a cold 41.9°F (5.5°C). Weather in December »

Frequently asked questions

What month is the coldest?

With its average high temperature of 37°F (2.8°C) and a low of 24.3°F (-4.3°C), January is regarded as the coldest month.

How much does it rain?

Throughout the year, there are 145.5 rainfall days, and 28.39" (721mm) of precipitation is accumulated.

When does it snow?

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

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 5.8 days and accumulates 1.77" (45mm) of snow.

How many days does it snow in Junction City?

Throughout the year, there are 17.7 snowfall days, and 5.91" (150mm) of snow is accumulated.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 4.5h of sunshine.

When is the lowest UV index in Junction City?

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

What is the driest month?

February is the month with the least rainfall. Rain falls for 8.6 days and accumulates 1.46" (37mm) of precipitation.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Junction City, 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 most humid month?

May, July and August, with an average relative humidity of 80%, are most humid months.

When it does not snow?

May through October are months without snowfall.

What is the rainiest month?

June is the month with the most rainfall. Rain falls for 15.1 days and accumulates 3.43" (87mm) of precipitation.

When are the longest days?

With an average of 14h and 48min of daylight, June has the longest days of the year.

What month has the most sunshine?

June has the most sunshine of the year, with an average of 10.5h of sunshine.

When is the highest UV index?

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

What is the warmest month?

July, on average, is the warmest month, registering a high temperature of 84.7°F (29.3°C) and a low of 67.5°F (19.7°C).

What is the least humid month?

With an average relative humidity of 71%, October is the least humid month in Junction City, Illinois.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

Average temperature
Junction City, IL

Average temperature - Junction City, IL

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37°F).

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure
Junction City, IL

Average pressure - Junction City, IL

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Junction City, IL

Average wind speed - Junction City, IL

The windiest months (with the highest average wind speed) are January and February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

Average humidity
Junction City, IL

Average humidity - Junction City, IL

The months with the highest relative humidity are May, July and August (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Junction City, IL

Average rainfall - Junction City, IL

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.46").

Average rainfall days
Junction City, IL

Average rainfall days - Junction City, IL

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.2 days).

Average snowfall
Junction City, IL

Average snowfall - Junction City, IL

The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Junction City, IL

Average snowfall days - Junction City, IL

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Junction City, IL

Average daylight / Average sunshine - Junction City, IL

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

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

Average sunshine days
Junction City, IL

Average sunshine days - Junction City, IL

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (11.5 days).

Average UV index
Junction City, IL

Average UV index - Junction City, 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, November and December (UV index 2).

Average cloud cover
Junction City, IL

Average cloud cover - Junction City, IL

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility
Junction City, IL

Average visibility - Junction City, 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).

Junction City, Illinois, USA

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