Climate and monthly weather forecast
Rapids City, IL

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Weather in January

January, like December, is a freezing cold winter month in Rapids City, Illinois, with temperature in the range of an average high of 28.2°F (-2.1°C) and an average low of 15.4°F (-9.2°C). January, with average temperatures reaching a high of 28.2°F (-2.1°C) and a low of 15.4°F (-9.2°C), is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Rapids City, is a wintry month, with an average temperature fluctuating between 19.6°F (-6.9°C) and 32.7°F (0.4°C). The commencement of February notes an average high-temperature of a cold 32.7°F (0.4°C), exhibiting little difference from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Rapids City, Illinois, with an average temperature ranging between max 46.8°F (8.2°C) and min 32°F (0°C). The shift from February to March brings an increase in the average high-temperature, moving from an icy 32.7°F (0.4°C) to a chilly 46.8°F (8.2°C). Weather in March »

Weather in April

April is a mild spring month in Rapids City, Illinois, with an average temperature ranging between min 42.4°F (5.8°C) and max 59°F (15°C). The shift from March to April brings an increase in the average high-temperature, moving from a chilly 46.8°F (8.2°C) to a refreshing 59°F (15°C). Weather in April »

Weather in May

May, the last month of the spring in Rapids City, is an agreeable month, with an average temperature varying between 53.4°F (11.9°C) and 70.3°F (21.3°C). The average high-temperature increases in May, moving from a moderate 59°F (15°C) in April to a pleasant 70.3°F (21.3°C). Weather in May »

Weather in June

June, the first month of the summer in Rapids City, is a warm month, with an average temperature fluctuating between 61.9°F (16.6°C) and 79°F (26.1°C). In Rapids City, the average high-temperature in June slightly rises, from a pleasant 70.3°F (21.3°C) in May, to a moderately hot 79°F (26.1°C). Weather in June »

Weather in July

July, like June, in Rapids City, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 81.7°F (27.6°C) and 64.8°F (18.2°C). In Rapids City, the month of July is known for its highest average temperatures, reaching a high of 81.7°F (27.6°C) and a low of 64.8°F (18.2°C). In July, the heat index is computed to be a hot 89.6°F (32°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Rapids City, Illinois, with an average temperature varying between 62.4°F (16.9°C) and 80.6°F (27°C). As Rapids City, Illinois, transitions into August, the average high-temperature stands at a still moderately hot 80.6°F (27°C), offering little variation from the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Rapids City, is still a warm month, with an average temperature varying between 56.3°F (13.5°C) and 75.4°F (24.1°C). September's presence records an average high-temperature of a still warm 75.4°F (24.1°C), closely mirroring August's climate. Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Rapids City, Illinois, with an average temperature varying between 61.3°F (16.3°C) and 45°F (7.2°C). The commencement of October indicates a shift in the average high-temperature, receding from September's warm 75.4°F (24.1°C) to a refreshing 61.3°F (16.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Rapids City, Illinois, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 33.3°F (0.7°C). With the onset of November, Rapids City's average high-temperature experiences a noticeable drop, receding from October's comfortable 61.3°F (16.3°C) to a chilly 46.9°F (8.3°C). Weather in November »

Weather in December

December, the first month of the winter in Rapids City, is still a cold month, with temperature in the range of an average low of 23.9°F (-4.5°C) and an average high of 34.5°F (1.4°C). The arrival of December signals a shift in temperature, down from a frosty 46.9°F (8.3°C) in November to an icy 34.5°F (1.4°C). Weather in December »
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Frequently asked questions

What month is the coldest in Rapids City?

With average temperatures fluctuating between a high of 28.2°F (-2.1°C) and a low of 15.4°F (-9.2°C), January stands out as the coldest month.

What is the most humid month in Rapids City?

The months with the highest humidity are January and July, with an average relative humidity of 83%.

How many days does it rain in Rapids City?

Throughout the year, there are 99.4 rainfall days, and 9.57" (243mm) of precipitation is accumulated.

When does it snow in Rapids City?

January through April, September through December are months with snowfall.

When does it snow the most in Rapids City?

January is the month with the most snowfall in Rapids City. Snow falls for 7.2 days and accumulates 1.26" (32mm) of snow.

How much does it snow in Rapids City?

Throughout the year, there are 24.5 snowfall days, and 4.09" (104mm) of snow is accumulated.

What is the month with the least sunshine in Rapids City?

January has the least sunshine of the year in Rapids City, with an average of 3.9h of sunshine.

What is the month with the lowest UV index in Rapids City?

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

When is Daylight Saving Time (DST) in Rapids City?

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 rainiest month in Rapids City?

The month with the most rainfall in Rapids City is May, when the rain falls for 13.4 days and typically aggregates up to 1.61" (41mm) of precipitation.

When it does not snow in Rapids City?

In Rapids City, snow does not fall in May through August.

When are the longest days in Rapids City?

The month with the longest days in Rapids City is June, with an average of 15h and 6min of daylight.

What are the warmest months in Rapids City?

In Rapids City, Illinois, the peak temperatures are generally noted in July, averaging a high of 81.7°F (27.6°C) and a low of 64.8°F (18.2°C).

What month has the most sunshine in Rapids City?

The month with the most sunshine is July, with an average of 10.1h of sunshine.

What is the month with the highest UV index in Rapids City?

With an average maximum UV index of 6, July is the month with the highest UV index in Rapids City.

What is the least humid month in Rapids City?

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

What is the driest month in Rapids City?

The month with the least rainfall in Rapids City is December, when the rain falls for 4.1 days and typically collects 0.35" (9mm) of precipitation.

What is the month with the shortest days in Rapids City?

With an average of 9h and 12min of daylight, December has the shortest days of the year in Rapids City, Illinois.

Average temperature
Rapids City, IL

Average temperature - Rapids City, IL

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

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Average pressure
Rapids City, IL

Average pressure - Rapids City, 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
Rapids City, IL

Average wind speed - Rapids City, IL

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

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Average humidity
Rapids City, IL

Average humidity - Rapids City, IL

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

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Average rainfall
Rapids City, IL

Average rainfall - Rapids City, IL

The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.35").

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Average rainfall days
Rapids City, IL

Average rainfall days - Rapids City, IL

The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (3.2 days).

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Average snowfall
Rapids City, IL

Average snowfall - Rapids City, IL

The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days
Rapids City, IL

Average snowfall days - Rapids City, IL

The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July and August (0 days).

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Average daylight / Average sunshine
Rapids City, IL

Average daylight / Average sunshine - Rapids City, IL

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days
Rapids City, IL

Average sunshine days - Rapids City, IL

The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (14.4 days).

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Average visibility
Rapids City, IL

Average visibility - Rapids 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).

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Rapids City, Illinois, USA

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