Climate and monthly weather forecastAnchor, IL
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Anchor, Illinois, with temperature in the range of an average high of 31.5°F (-0.3°C) and an average low of 19.6°F (-6.9°C). In Anchor, January records the lowest average temperatures, peaking at 31.5°F (-0.3°C) and reaching a low of 19.6°F (-6.9°C). Weather in January »Weather in February
The last month of the winter, February, is a wintry month in Anchor, Illinois, with an average temperature fluctuating between 22.6°F (-5.2°C) and 35.8°F (2.1°C). A minor adjustment in Anchor's average high-temperature is noted with the start of February, touching an icy 35.8°F (2.1°C) from January's 31.5°F (-0.3°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Anchor, Illinois, with an average temperature fluctuating between 34.2°F (1.2°C) and 48.4°F (9.1°C). The start of March is characterized by an increase in the average high-temperature, transitioning from a cold 35.8°F (2.1°C) in February to a chilly 48.4°F (9.1°C). Weather in March »Weather in April
April is a refreshing spring month in Anchor, Illinois, with an average temperature ranging between min 44.2°F (6.8°C) and max 60.8°F (16°C). Anchor's transition into April is marked by a temperature shift, moving from a chilly 48.4°F (9.1°C) in March to an enjoyable 60.8°F (16°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Anchor, Illinois, with an average temperature fluctuating between 55.4°F (13°C) and 71.6°F (22°C). Anchor's weather in May shows a rise in the average high-temperature, moving up from April's enjoyable 60.8°F (16°C) to a pleasant 71.6°F (22°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Anchor, Illinois, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 79.5°F (26.4°C). A slight uplift of average high-temperatures is noted in June, with temperatures adjusting from an agreeable 71.6°F (22°C) in May to a moderately hot 79.5°F (26.4°C). Weather in June »Weather in July
July, like June, in Anchor, Illinois, is another warm summer month, with an average temperature ranging between min 64.6°F (18.1°C) and max 80.8°F (27.1°C). July, marked by an average high-temperature of 80.8°F (27.1°C) and a low-temperature of 64.6°F (18.1°C), is the warmest month. During July, the heat index is estimated at a tropical 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Anchor, Illinois, with an average temperature varying between 79.7°F (26.5°C) and 62.8°F (17.1°C). The commencement of August introduces an average high-temperature of a still moderately hot 79.7°F (26.5°C), closely mirroring the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Anchor, is still a warm month, with an average temperature ranging between max 75.7°F (24.3°C) and min 57.4°F (14.1°C). As September takes its course, Anchor's average high-temperature registers at a still moderately hot 75.7°F (24.3°C), closely aligning with the preceding month. Weather in September »Weather in October
October, like September, in Anchor, Illinois, is another comfortable autumn month, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 46.9°F (8.3°C). In October, the average high-temperature decreases from a moderately hot 75.7°F (24.3°C) in September to a refreshing 62.4°F (16.9°C). Weather in October »Weather in November
November, the last month of the autumn in Anchor, is also a frosty month, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 47.8°F (8.8°C). The start of November is characterized by a significant decrease in the average high-temperature, moving from a refreshing 62.4°F (16.9°C) in October to a frosty 47.8°F (8.8°C). Weather in November »Weather in December
December, the first month of the winter in Anchor, is also an icy month, with an average temperature fluctuating between 36.5°F (2.5°C) and 27°F (-2.8°C). December brings a decrease in the average high-temperature, shifting from a frosty 47.8°F (8.8°C) in November to an icy 36.5°F (2.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Anchor, 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 (19.6°F).
Average pressure
Anchor, 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
Anchor, IL
- Average wind speed in January:
11mph - Average wind speed in February:
10.8mph - Average wind speed in March:
10.5mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.2mph - Average wind speed in June:
8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.7mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.4mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Anchor, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Anchor, IL
- Average rainfall in January:
0.87" - Average rainfall in February:
0.75" - Average rainfall in March:
1.18" - Average rainfall in April:
1.57" - Average rainfall in May:
1.93" - Average rainfall in June:
1.69"
- Average rainfall in July:
1.73" - Average rainfall in August:
1.38" - Average rainfall in September:
0.94" - Average rainfall in October:
1.22" - Average rainfall in November:
0.94" - Average rainfall in December:
0.75"
The wettest month (with the highest rainfall) is May (1.93").
The driest months (with the least rainfall) are February and December (0.75").
Average rainfall days
Anchor, IL
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
5.1 days - Average rainfall days in March:
10.6 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
13.2 days - Average rainfall days in September:
10.3 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
6.1 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (4.8 days).
Average snowfall
Anchor, IL
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Anchor, IL
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
7.7 days - Average snowfall days in March:
3.4 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 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Anchor, 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 30min - 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 48min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 12min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Anchor, IL
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
13.5 days - Average sunshine days in September:
17 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.3 days).
Average UV index
Anchor, IL
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Anchor, 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
Anchor, 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).





