Climate and monthly weather forecastRankin, IL
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Rankin, Illinois, with an average temperature varying between 31.5°F (-0.3°C) and 19.8°F (-6.8°C). The coldest temperatures occur during January, when averages reach a peak of 31.5°F (-0.3°C) and a low of 19.8°F (-6.8°C). Weather in January »Weather in February
February, the last month of the winter in Rankin, is an icy month, with an average temperature ranging between min 23.2°F (-4.9°C) and max 35.8°F (2.1°C). Rankin commences February with an average high-temperature of an icy 35.8°F (2.1°C), maintaining a close resemblance to the previous month. Weather in February »Weather in March
March, the first month of the spring in Rankin, is a frosty month, with temperature in the range of an average high of 48.7°F (9.3°C) and an average low of 34.3°F (1.3°C). With the transition into March, Rankin experiences an increase in average high-temperatures, moving up from a wintry 35.8°F (2.1°C) in February to a frosty 48.7°F (9.3°C). Weather in March »Weather in April
April in Rankin, Illinois, is a mild spring month, with an average temperature ranging between min 44.4°F (6.9°C) and max 60.4°F (15.8°C). With the beginning of April, Rankin's average high-temperature sees an increase, transitioning from a frosty 48.7°F (9.3°C) in March to a refreshing 60.4°F (15.8°C). Weather in April »Weather in May
May, the last month of the spring in Rankin, is an agreeable month, with an average temperature ranging between max 71.8°F (22.1°C) and min 55.4°F (13°C). The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a moderate 60.4°F (15.8°C) in April to a pleasant 71.8°F (22.1°C). Weather in May »Weather in June
June, the first month of the summer in Rankin, is a warm month, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 63°F (17.2°C). As Rankin enters June, the average high-temperature marginally increases from the a pleasant 71.8°F (22.1°C) of May to a warm 79.9°F (26.6°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Rankin, Illinois, with an average temperature fluctuating between 80.8°F (27.1°C) and 64.6°F (18.1°C). July is the warmest month, exhibiting average temperatures of 80.8°F (27.1°C) at the peak and 64.6°F (18.1°C) at the base. The heat index for July is estimated at a hot 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Rankin, Illinois, with an average temperature varying between 80.2°F (26.8°C) and 63.1°F (17.3°C). Rankin's shift from July to August is accompanied by an average high-temperature of a still moderately hot 80.2°F (26.8°C), a slight deviation from 80.8°F (27.1°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Rankin, Illinois, with an average temperature varying between 75.7°F (24.3°C) and 57.4°F (14.1°C). The dawn of September sees an average high-temperature of a still warm 75.7°F (24.3°C), subtly contrasting with August's 80.2°F (26.8°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Rankin, Illinois, with temperature in the range of an average high of 62.6°F (17°C) and an average low of 47.1°F (8.4°C). October's onset corresponds with a shift in the average high-temperature, moving from a warm 75.7°F (24.3°C) in September to a refreshing 62.6°F (17°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Rankin, Illinois, with an average temperature ranging between min 35.2°F (1.8°C) and max 48.2°F (9°C). With the onset of November, Rankin's average high-temperature witnesses a clear drop, receding from October's comfortable 62.6°F (17°C) to a chilly 48.2°F (9°C). Weather in November »Weather in December
December, the first month of the winter in Rankin, is also a wintry month, with an average temperature varying between 37.2°F (2.9°C) and 27.1°F (-2.7°C). A change in temperatures is noted as November gives way to December, with average highs reducing from a chilly 48.2°F (9°C) to an icy 37.2°F (2.9°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Rankin, IL
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.5°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure
Rankin, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Rankin, IL
- Average wind speed in January:
10.8mph - Average wind speed in February:
10.6mph - 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:
6.5mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.2mph - Average wind speed in December:
10.2mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity
Rankin, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Rankin, IL
- Average rainfall in January:
1.26" - Average rainfall in February:
1.14" - Average rainfall in March:
1.81" - Average rainfall in April:
2.52" - Average rainfall in May:
2.91" - Average rainfall in June:
2.6"
- Average rainfall in July:
2.28" - Average rainfall in August:
1.93" - Average rainfall in September:
1.38" - Average rainfall in October:
1.73" - Average rainfall in November:
1.34" - Average rainfall in December:
1.14"
The wettest month (with the highest rainfall) is May (2.91").
The driest months (with the least rainfall) are February and December (1.14").
Average rainfall days
Rankin, IL
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
6 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
14.2 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
10.8 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
7.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (5.8 days).
Average snowfall
Rankin, IL
The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Rankin, IL
- Average snowfall days in January:
10.4 days - Average snowfall days in February:
7.1 days - Average snowfall days in March:
3.5 days - Average snowfall days in April:
0.6 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 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
6.3 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Rankin, IL
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 42min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 18min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Rankin, IL
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
16 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
13.5 days - Average sunshine days in September:
16 days - Average sunshine days in October:
18.2 days - Average sunshine days in November:
19.4 days - Average sunshine days in December:
18.3 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (10.6 days).
Average UV index
Rankin, 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 cloud cover
Rankin, IL
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility
Rankin, 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).





