Climate and monthly weather forecastMorton Grove, IL
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Morton Grove, Illinois, with an average temperature fluctuating between 19.8°F (-6.8°C) and 28.9°F (-1.7°C). Morton Grove, Illinois, experiences its lowest temperatures in January, with an average peak of 28.9°F (-1.7°C) and a low of 19.8°F (-6.8°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Morton Grove, Illinois, with temperature in the range of an average low of 22.5°F (-5.3°C) and an average high of 31.8°F (-0.1°C). As January transitions into February, the average high-temperature rests at a still subzero cold 31.8°F (-0.1°C), maintaining a close resemblance to the previous month. Weather in February »Weather in March
March, the first month of the spring in Morton Grove, is a wintry month, with an average temperature varying between 41.4°F (5.2°C) and 32°F (0°C). In Morton Grove, the average high-temperature in March rises, from a freezing cold 31.8°F (-0.1°C) in February, to a wintry 41.4°F (5.2°C). Weather in March »Weather in April
April in Morton Grove, Illinois, is a fresh spring month, with an average temperature varying between 39.9°F (4.4°C) and 50.5°F (10.3°C). As Morton Grove enters April, the average high-temperature increases from the an icy 41.4°F (5.2°C) of March to a cool 50.5°F (10.3°C). Weather in April »Weather in May
May, the last month of the spring in Morton Grove, is a comfortable month, with an average temperature ranging between max 61.2°F (16.2°C) and min 49.8°F (9.9°C). Morton Grove in May experiences an increase in the average high-temperature, moving from April's cool 50.5°F (10.3°C) to a comfortable 61.2°F (16.2°C). Weather in May »Weather in June
June, the first month of the summer in Morton Grove, is a pleasant month, with an average temperature fluctuating between 60.3°F (15.7°C) and 70.9°F (21.6°C). As June arrives, a rise in the average high-temperature is observed, moving from a refreshing 61.2°F (16.2°C) in May to a pleasant 70.9°F (21.6°C). Weather in June »Weather in July
July in Morton Grove, Illinois, is a warm summer month, with an average temperature fluctuating between 67.6°F (19.8°C) and 77.9°F (25.5°C). During the warmest month, July, temperatures average a high of 77.9°F (25.5°C) and a low of 67.6°F (19.8°C). Weather in July »Weather in August
August, the last month of the summer in Morton Grove, is also a moderately hot month, with an average temperature ranging between min 67.6°F (19.8°C) and max 77.7°F (25.4°C). August's presence records an average high-temperature of a still warm 77.7°F (25.4°C), closely mirroring July's climate. Weather in August »Weather in September
September, the first month of the autumn in Morton Grove, is still a pleasant month, with an average temperature fluctuating between 71.4°F (21.9°C) and 60.8°F (16°C). Morton Grove's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 77.7°F (25.4°C) in August to an agreeable 71.4°F (21.9°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Morton Grove, Illinois, with an average temperature varying between 58.8°F (14.9°C) and 48.7°F (9.3°C). The shift from September to October involves a decrease in the average high-temperature, dropping from an agreeable 71.4°F (21.9°C) to a mild 58.8°F (14.9°C). Weather in October »Weather in November
November, the last month of the autumn in Morton Grove, is also a frosty month, with an average temperature fluctuating between 36.5°F (2.5°C) and 45.7°F (7.6°C). Morton Grove observes a minor decrease in the average high-temperature with the arrival of November, falling from October's refreshing 58.8°F (14.9°C) to a chilly 45.7°F (7.6°C). Weather in November »Weather in December
December, the first month of the winter in Morton Grove, is also a wintry month, with an average temperature fluctuating between 35.1°F (1.7°C) and 27.1°F (-2.7°C). As December arrives, Morton Grove's weather displays a decrease in high-temperatures, transitioning from November's frosty 45.7°F (7.6°C) to an icy 35.1°F (1.7°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Morton Grove, IL
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (28.9°F).
The months with the highest average low temperature are July and August (67.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure
Morton Grove, IL
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.09"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 (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Morton Grove, IL
- Average wind speed in January:
12.2mph - Average wind speed in February:
11.6mph - Average wind speed in March:
10.8mph - Average wind speed in April:
11mph - Average wind speed in May:
9.3mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
7.7mph - Average wind speed in August:
7.7mph - Average wind speed in September:
9.3mph - Average wind speed in October:
11.1mph - Average wind speed in November:
11.7mph - Average wind speed in December:
11.4mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest months (with the lowest average wind speed) are July and August (7.7mph).
Average humidity
Morton Grove, IL
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Morton Grove, IL
- Average rainfall in January:
1.26" - Average rainfall in February:
1.22" - Average rainfall in March:
1.38" - Average rainfall in April:
2.52" - Average rainfall in May:
3.39" - Average rainfall in June:
3.5"
- Average rainfall in July:
3.07" - Average rainfall in August:
3.19" - Average rainfall in September:
2.4" - Average rainfall in October:
2.13" - Average rainfall in November:
1.22" - Average rainfall in December:
0.94"
The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is December (0.94").
Average rainfall days
Morton Grove, IL
- Average rainfall days in January:
6.1 days - Average rainfall days in February:
5.4 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
14.1 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
6.8 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (5.4 days).
Average snowfall
Morton Grove, IL
The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Morton Grove, IL
- Average snowfall days in January:
11.7 days - Average snowfall days in February:
9.2 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
2 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:
3.5 days - Average snowfall days in December:
9.4 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Morton Grove, 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 36min - Average sunshine in February:
3h and 48min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 30min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Morton Grove, IL
- Average sunshine days in January:
12.3 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
12.1 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
11.1 days - Average sunshine days in September:
12.9 days - Average sunshine days in October:
14.1 days - Average sunshine days in November:
16.1 days - Average sunshine days in December:
15.6 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is July (10.8 days).
Average UV index
Morton Grove, 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
Morton Grove, IL
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Morton Grove, 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).





