Climate and monthly weather forecast
Rossville, IL

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Weather in January

January, like December, is a freezing cold winter month in Rossville, Illinois, with an average temperature varying between 19.8°F (-6.8°C) and 31.5°F (-0.3°C). January is the coldest month, with the temperature often reaching an average high of 31.5°F (-0.3°C) and an average low of 19.8°F (-6.8°C). Weather in January »

Weather in February

February, the last month of the winter in Rossville, is an icy month, with temperature in the range of an average high of 36°F (2.2°C) and an average low of 23.4°F (-4.8°C). Rossville's shift into February is marked by a subtle change to a wintry 36°F (2.2°C) from January's 31.5°F (-0.3°C) in temperature. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Rossville, Illinois, with temperature in the range of an average low of 34.3°F (1.3°C) and an average high of 48.9°F (9.4°C). In March, the average high-temperature increases from a cold 36°F (2.2°C) in February to a chilly 48.9°F (9.4°C). Weather in March »

Weather in April

April in Rossville, Illinois, is a refreshing spring month, with an average temperature fluctuating between 44.6°F (7°C) and 60.4°F (15.8°C). April brings a temperature change, with average high-temperatures moving from March's chilly 48.9°F (9.4°C) to a refreshing 60.4°F (15.8°C). Weather in April »

Weather in May

May, the last month of the spring in Rossville, is an agreeable month, with an average temperature fluctuating between 71.8°F (22.1°C) and 55°F (12.8°C). In Rossville, the average high-temperature in May rises, from a refreshing 60.4°F (15.8°C) in April, to a pleasant 71.8°F (22.1°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Rossville, Illinois, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 79.5°F (26.4°C). The onset of June brings a minor temperature shift, with the average high-temperature moving from an agreeable 71.8°F (22.1°C) in May to a moderately hot 79.5°F (26.4°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Rossville, Illinois, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 64.4°F (18°C). With an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 64.4°F (18°C), July is the warmest month. The heat index value during July is computed to be a hot 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Rossville, is another warm month, with an average temperature varying between 63°F (17.2°C) and 80.2°F (26.8°C). Rossville ushers in August with an average high-temperature of a still moderately hot 80.2°F (26.8°C), showing a close resemblance to the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Rossville, is still a warm month, with temperature in the range of an average high of 75.6°F (24.2°C) and an average low of 57.6°F (14.2°C). The transition into September is marked with an average high-temperature of a still warm 75.6°F (24.2°C), showing an insignificant shift from August's 80.2°F (26.8°C). Weather in September »

Weather in October

October, like September, in Rossville, Illinois, is another enjoyable autumn month, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 62.8°F (17.1°C). October implies a gentle temperature shift, with average high-temperatures reducing from September's warm 75.6°F (24.2°C) to a comfortable 62.8°F (17.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Rossville, Illinois, with an average temperature ranging between min 35.4°F (1.9°C) and max 48.4°F (9.1°C). Rossville's transition into November marks a considerable drop in the average high-temperature, moving down from an enjoyable 62.8°F (17.1°C) in October to a frosty 48.4°F (9.1°C). Weather in November »

Weather in December

December, the first month of the winter in Rossville, is still a cold month, with an average temperature ranging between min 27.3°F (-2.6°C) and max 37.6°F (3.1°C). In Rossville, entering December brings a temperature decrement, reducing from November's frosty 48.4°F (9.1°C) to an icy 37.6°F (3.1°C). Weather in December »
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Frequently asked questions

What month is the coldest in Rossville?

With its average high temperature of 31.5°F (-0.3°C) and a low of 19.8°F (-6.8°C), January is regarded as the coldest month in Rossville.

How much does it rain in Rossville?

Throughout the year, in Rossville, there are 146.3 rainfall days, and 22.76" (578mm) of precipitation is accumulated.

When does it snow in Rossville?

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

How much does it snow in Rossville?

Throughout the year, there are 34.2 snowfall days, and 7.8" (198mm) of snow is accumulated.

What is the month with the least sunshine in Rossville?

January has the least sunshine of the year in Rossville, Illinois, with an average of 3.9h of sunshine.

What is the driest month in Rossville?

The month with the least rainfall in Rossville is February, when the rain falls for 6.7 days and typically collects 1.18" (30mm) of precipitation.

What is the snowiest month in Rossville?

February is the month with the most snowfall in Rossville. Snow falls for 8.8 days and accumulates 2.32" (59mm) of snow.

When is Daylight Saving Time (DST) in Rossville?

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 Rossville?

May is the month with the most rainfall in Rossville, Illinois. Rain falls for 16.6 days and accumulates 2.76" (70mm) of precipitation.

When it does not snow in Rossville?

May through October are months without snowfall in Rossville.

When are the longest days in Rossville?

With an average of 15h and 0min of daylight, June has the longest days of the year.

What month has the most sunshine in Rossville?

June has the most sunshine of the year in Rossville, with an average of 10h of sunshine.

When is the highest UV index in Rossville?

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

What time of the year is the hottest in Rossville?

In Rossville, July is the month with the highest recorded average temperatures, measuring a high of 81.1°F (27.3°C) and a low of 64.4°F (18°C).

What is the most humid month in Rossville?

July is the most humid month in Rossville, with an average relative humidity of 85%.

What is the least humid month in Rossville?

With an average relative humidity of 72%, October is the least humid month in Rossville, Illinois.

What is the month with the shortest days in Rossville?

The month with the shortest days in Rossville is December, with an average of 9h and 18min of daylight.

When is the lowest UV index in Rossville?

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

Average temperature
Rossville, IL

Average temperature - Rossville, IL

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.5°F).

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure
Rossville, IL

Average pressure - Rossville, IL

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Rossville, IL

Average wind speed - Rossville, IL

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average rainfall
Rossville, IL

Average rainfall - Rossville, IL

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is February (1.18").

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Average rainfall days
Rossville, IL

Average rainfall days - Rossville, IL

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (6.7 days).

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Average snowfall
Rossville, IL

Average snowfall - Rossville, IL

The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Rossville, IL

Average snowfall days - Rossville, IL

The month with the highest number of snowfall days is January (9.8 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
Rossville, IL

Average daylight / Average sunshine - Rossville, IL

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days
Rossville, IL

Average sunshine days - Rossville, IL

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.5 days).

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Average visibility
Rossville, IL

Average visibility - Rossville, 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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Rossville, Illinois, USA

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