Climate and monthly weather forecastNiles, IL
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Niles, Illinois, with an average temperature ranging between min 18.9°F (-7.3°C) and max 28.8°F (-1.8°C). January, known for its average high temperature of 28.8°F (-1.8°C) and an average low temperature of 18.9°F (-7.3°C), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Niles, is a cold month, with temperature in the range of an average low of 21°F (-6.1°C) and an average high of 32°F (0°C). With the arrival of February, Niles's average high-temperature registers at a wintry 32°F (0°C), indicating a subtle variation from the previous month. Weather in February »Weather in March
March, the first month of the spring in Niles, is also a wintry month, with an average temperature ranging between max 42.4°F (5.8°C) and min 31.5°F (-0.3°C). As March sets, the average high-temperature shows an increase, moving up from a cold 32°F (0°C) in February to a still icy 42.4°F (5.8°C). Weather in March »Weather in April
April in Niles, Illinois, is a cool spring month, with temperature in the range of an average low of 40.5°F (4.7°C) and an average high of 53.1°F (11.7°C). April marks a rise in the average high-temperature, moving from March's wintry 42.4°F (5.8°C) to a fresh 53.1°F (11.7°C). Weather in April »Weather in May
May, the last month of the spring in Niles, is an enjoyable month, with an average temperature varying between 50.5°F (10.3°C) and 64°F (17.8°C). In Niles, stepping into May brings a temperature increase, moving up from April's cool 53.1°F (11.7°C) to a refreshing 64°F (17.8°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Niles, Illinois, with an average temperature ranging between min 60.4°F (15.8°C) and max 73.8°F (23.2°C). The average high-temperature increases in June, moving from a refreshing 64°F (17.8°C) in May to a warm 73.8°F (23.2°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Niles, Illinois, with an average temperature ranging between min 67.5°F (19.7°C) and max 79.7°F (26.5°C). Niles's warmest month, July, generally records average temperatures ranging from a high of 79.7°F (26.5°C) to a low of 67.5°F (19.7°C). Weather in July »Weather in August
August, the last month of the summer in Niles, is also a moderately hot month, with an average temperature fluctuating between 66.7°F (19.3°C) and 79.2°F (26.2°C). A minor adjustment in Niles's average high-temperature is noted with the start of August, touching a still warm 79.2°F (26.2°C) from July's 79.7°F (26.5°C). Weather in August »Weather in September
September, the first month of the autumn in Niles, is still a pleasant month, with an average temperature fluctuating between 72.3°F (22.4°C) and 59.9°F (15.5°C). The move into September indicates a slight reduction in the average high-temperature, down from August's warm 79.2°F (26.2°C) to an agreeable 72.3°F (22.4°C). Weather in September »Weather in October
October, the same as September, in Niles, Illinois, is another refreshing autumn month, with an average temperature ranging between max 59.9°F (15.5°C) and min 47.3°F (8.5°C). Niles in October experiences a subtle temperature decline, with average high-temperatures reducing from an agreeable 72.3°F (22.4°C) in September to a moderate 59.9°F (15.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Niles, Illinois, with an average temperature fluctuating between 35.2°F (1.8°C) and 45.7°F (7.6°C). November suggests a modest reduction in the average high-temperature, shifting from a mild 59.9°F (15.5°C) in October to a frosty 45.7°F (7.6°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Niles, Illinois, with an average temperature ranging between max 35.1°F (1.7°C) and min 26.1°F (-3.3°C). The average high-temperature decreases in December, shifting from a frosty 45.7°F (7.6°C) in November to a wintry 35.1°F (1.7°C). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Niles, IL
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.8°F).
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Niles, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"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"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Niles, IL
- Average wind speed in January:
11.1mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.7mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7mph - Average wind speed in September:
8.3mph - Average wind speed in October:
10.1mph - Average wind speed in November:
10.7mph - Average wind speed in December:
10.4mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity
Niles, IL
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Niles, IL
- Average rainfall in January:
0.39" - Average rainfall in February:
0.39" - Average rainfall in March:
0.35" - Average rainfall in April:
0.71" - Average rainfall in May:
1.06" - Average rainfall in June:
0.94"
- Average rainfall in July:
0.87" - Average rainfall in August:
0.63" - Average rainfall in September:
0.67" - Average rainfall in October:
0.67" - Average rainfall in November:
0.35" - Average rainfall in December:
0.31"
The wettest month (with the highest rainfall) is May (1.06").
The driest month (with the least rainfall) is December (0.31").
Average rainfall days
Niles, IL
- Average rainfall days in January:
4.2 days - Average rainfall days in February:
2.8 days - Average rainfall days in March:
7.1 days - Average rainfall days in April:
10.5 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
12 days
- Average rainfall days in July:
11.5 days - Average rainfall days in August:
10.5 days - Average rainfall days in September:
9.4 days - Average rainfall days in October:
8.4 days - Average rainfall days in November:
5 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is February (2.8 days).
Average snowfall
Niles, IL
- Average snowfall in January:
0.83" - Average snowfall in February:
0.98" - Average snowfall in March:
0.12" - Average snowfall in April:
0.59" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Niles, IL
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
6.6 days - Average snowfall days in March:
3.9 days - Average snowfall days in April:
1 days - Average snowfall days in May:
0.1 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:
2.6 days - Average snowfall days in December:
5.8 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Niles, IL
- Average daylight in January:
9h and 30min - 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 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - 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 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
3h and 48min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Niles, IL
- Average sunshine days in January:
22.9 days - Average sunshine days in February:
20.6 days - Average sunshine days in March:
21.1 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
16 days - Average sunshine days in June:
14.7 days
- Average sunshine days in July:
15.4 days - Average sunshine days in August:
17.2 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
22.2 days - Average sunshine days in December:
23.3 days
The month with the most sunshine days is December (23.3 days).
The month with the least sunshine days is June (14.7 days).
Average UV index
Niles, IL
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Niles, IL
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility
Niles, 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).





