Climate and monthly weather forecastRapids City, IL
Climate and monthly weather forecast
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 »Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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.
The months with the highest humidity are January and July, with an average relative humidity of 83%.
Throughout the year, there are 99.4 rainfall days, and 9.57" (243mm) of precipitation is accumulated.
January through April, September through December are months with snowfall.
January is the month with the most snowfall in Rapids City. Snow falls for 7.2 days and accumulates 1.26" (32mm) of snow.
Throughout the year, there are 24.5 snowfall days, and 4.09" (104mm) of snow is accumulated.
January has the least sunshine of the year in Rapids City, with an average of 3.9h of sunshine.
The month with the lowest UV index is January, with an average maximum UV index of 1.
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.
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.
In Rapids City, snow does not fall in May through August.
The month with the longest days in Rapids City is June, with an average of 15h and 6min of daylight.
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).
The month with the most sunshine is July, with an average of 10.1h of sunshine.
With an average maximum UV index of 6, July is the month with the highest UV index in Rapids City.
October is the least humid month, with an average relative humidity of 71%.
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.
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
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).
Average pressure
Rapids City, IL
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Rapids City, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.3mph - Average wind speed in December:
9.8mph
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).
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%).
Average rainfall
Rapids City, IL
- Average rainfall in January:
0.43" - Average rainfall in February:
0.39" - Average rainfall in March:
0.63" - Average rainfall in April:
1.02" - Average rainfall in May:
1.61" - Average rainfall in June:
1.26"
- Average rainfall in July:
1.18" - Average rainfall in August:
0.71" - Average rainfall in September:
0.75" - Average rainfall in October:
0.71" - Average rainfall in November:
0.51" - Average rainfall in December:
0.35"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.35").
Average rainfall days
Rapids City, IL
- Average rainfall days in January:
3.2 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
8.2 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
13.4 days - Average rainfall days in June:
13.1 days
- Average rainfall days in July:
11.2 days - Average rainfall days in August:
10.7 days - Average rainfall days in September:
6.9 days - Average rainfall days in October:
8.4 days - Average rainfall days in November:
5.1 days - Average rainfall days in December:
4.1 days
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).
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").
Average snowfall days
Rapids City, IL
- Average snowfall days in January:
7.2 days - Average snowfall days in February:
6.2 days - Average snowfall days in March:
3.1 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
0.6 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
5 days
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).
Average daylight / Average sunshine
Rapids City, IL
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 12min
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).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 24min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h 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).
Average sunshine days
Rapids City, IL
- Average sunshine days in January:
22.2 days - Average sunshine days in February:
19.5 days - Average sunshine days in March:
19.8 days - Average sunshine days in April:
16.7 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
14.4 days
- Average sunshine days in July:
16.2 days - Average sunshine days in August:
17.4 days - Average sunshine days in September:
20.9 days - Average sunshine days in October:
21.3 days - Average sunshine days in November:
22.1 days - Average sunshine days in December:
22.4 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (14.4 days).
Average UV index
Rapids City, IL
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Rapids City, IL
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
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).
