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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, the same as December, in Lake Zurich, Illinois, is a freezing cold winter month, with an average temperature ranging between max -2.4°C and min -8.7°C. January stands out as Lake Zurich's coldest month, with an average high-temperature of -2.4°C and a low-temperature of -8.7°C. Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Lake Zurich, Illinois, with temperature in the range of an average high of -0.5°C and an average low of -7.3°C. The dawn of February sees an average high-temperature of a still subzero cold -0.5°C, subtly contrasting with January's -2.4°C. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Lake Zurich, Illinois, with an average temperature varying between -0.9°C and 6.4°C. An upsurge in temperatures occurs as February gives way to March, with average highs shifting from a freezing cold -0.5°C to a chilly 6.4°C. Weather in March »
Weather in April
April in Lake Zurich, Illinois, is a cool spring month, with temperature in the range of an average high of 12.4°C and an average low of 4°C. As Lake Zurich enters April, the average high-temperature increases from the a chilly 6.4°C of March to a fresh 12.4°C. Weather in April »
Weather in May
May, the last month of the spring in Lake Zurich, is a refreshing month, with an average temperature fluctuating between 10.1°C and 19.1°C. As Lake Zurich transitions into May, the average high-temperature shows a change, moving from a cool 12.4°C in April to a comfortable 19.1°C. Weather in May »
Weather in June
June, the first month of the summer in Lake Zurich, is a warm month, with an average temperature fluctuating between 15.4°C and 24.4°C. June's arrival brings a temperature shift, moving from a comfortable 19.1°C in May to a warm 24.4°C. Weather in June »
Weather in July
July, like June, in Lake Zurich, Illinois, is another warm summer month, with an average temperature ranging between min 18.3°C and max 27°C. Lake Zurich reaches its highest average temperatures in July, measuring 27°C at the peak and 18.3°C at the lowest. The heat index value during July is calculated to be a hot 30°C. Weather in July »
Weather in August
August, the last month of the summer in Lake Zurich, is another warm month, with an average temperature varying between 26.3°C and 17.5°C. The average high-temperature in August, at a still warm 26.3°C, reveals a modest deviation from July's 27°C. Weather in August »
Weather in September
September, the first month of the autumn in Lake Zurich, is still a pleasant month, with an average temperature fluctuating between 22.7°C and 14°C. In the transition to September, Lake Zurich observes a minor drop in the average high-temperature, shifting from a moderately hot 26.3°C in August to an agreeable 22.7°C. Weather in September »
Weather in October
October, the same as September, in Lake Zurich, Illinois, is another mild autumn month, with an average temperature ranging between max 15.3°C and min 7.4°C. Observing a mild shift, the average high-temperature during October reduces from September's agreeable 22.7°C to a mild 15.3°C. Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Lake Zurich, Illinois, with an average temperature varying between 7.3°C and 0.6°C. With the beginning of November, Lake Zurich's average high-temperature experiences a significant decrease, moving from a refreshing 15.3°C in October to a chilly 7.3°C. Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Lake Zurich, Illinois, with an average temperature varying between 0.8°C and -4.5°C. With December's onset, the weather shows a temperature decrease, transitioning from a frosty 7.3°C in November to a wintry 0.8°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
What time of the year is the coldest in Lake Zurich?
January proves to be the coldest month, recording an average maximum temperature of -2.4°C and a minimum temperature of -8.7°C.
What are the most humid months in Lake Zurich?
January and February, with an average relative humidity of 83%, are most humid months.
How much does it rain in Lake Zurich?
Throughout the year, there are 163.1 rainfall days, and 819mm of precipitation is accumulated.
When does it snow in Lake Zurich?
Months with snowfall in Lake Zurich, Illinois, are January through May, October through December.
How many days does it snow in Lake Zurich?
Throughout the year, in Lake Zurich, there are 55.5 snowfall days, and 583mm of snow is accumulated.
What is the month with the least sunshine in Lake Zurich?
The month with the least sunshine is January, with an average of 3.7h of sunshine.
What are the months with the lowest UV index in Lake Zurich?
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Lake Zurich, Illinois.
What is the snowiest month in Lake Zurich?
The month with the most snowfall in Lake Zurich, Illinois, is February, when snow falls for 12.8 days and typically aggregates up to 158mm of snow.
When is Daylight Saving Time (DST) in Lake Zurich?
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.
What is the wettest month in Lake Zurich?
The month with the most rainfall is June, when the rain falls for 18.8 days and typically aggregates up to 105mm of precipitation.
When it does not snow in Lake Zurich?
In Lake Zurich, Illinois, snow does not fall in June through September.
When are the longest days in Lake Zurich?
The month with the longest days in Lake Zurich, Illinois, is June, with an average of 15h and 12min of daylight.
What month is the hottest in Lake Zurich?
During the warmest month in Lake Zurich, July, temperatures average a high of 27°C and a low of 18.3°C.
What are the months with the most sunshine in Lake Zurich?
July and August, with an average of 10.1h of sunshine, are months with the most sunshine in Lake Zurich.
What is the month with the highest UV index in Lake Zurich?
The months with the highest UV index are July and August, with an average maximum UV index of 6.
What is the least humid month in Lake Zurich?
October is the least humid month in Lake Zurich, Illinois, with an average relative humidity of 74%.
What is the driest month in Lake Zurich?
November is the month with the least rainfall. Rain falls for 9.4 days and accumulates 41mm of precipitation.
What is the month with the shortest days in Lake Zurich?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Lake Zurich, IL
The warmest month (with the highest average high temperature) is July (27°C).
The month with the lowest average high temperature is January (-2.4°C).
The month with the highest average low temperature is July (18.3°C).
The coldest month (with the lowest average low temperature) is January (-8.7°C).
Average pressure
Lake Zurich, IL
- Average pressure in January:
1019.5mbar - Average pressure in February:
1019.2mbar - Average pressure in March:
1018.8mbar - Average pressure in April:
1014.3mbar - Average pressure in May:
1014.7mbar - Average pressure in June:
1013.2mbar
- Average pressure in July:
1014.8mbar - Average pressure in August:
1015.1mbar - Average pressure in September:
1017mbar - Average pressure in October:
1015.9mbar - Average pressure in November:
1018.9mbar - Average pressure in December:
1019mbar
The month with the highest atmospheric pressure is January (1019.5mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).
Average wind speed
Lake Zurich, IL
- Average wind speed in January:
16.2km/h - Average wind speed in February:
16km/h - Average wind speed in March:
15.3km/h - Average wind speed in April:
15.7km/h - Average wind speed in May:
13.3km/h - Average wind speed in June:
11.6km/h
- Average wind speed in July:
10.4km/h - Average wind speed in August:
10km/h - Average wind speed in September:
11.7km/h - Average wind speed in October:
14.2km/h - Average wind speed in November:
15.4km/h - Average wind speed in December:
15km/h
The windiest month (with the highest average wind speed) is January (16.2km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity
Lake Zurich, IL
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Lake Zurich, IL
- Average rainfall in January:
45mm - Average rainfall in February:
47mm - Average rainfall in March:
51mm - Average rainfall in April:
98mm - Average rainfall in May:
103mm - Average rainfall in June:
105mm
The wettest month (with the highest rainfall) is June (105mm).
The driest month (with the least rainfall) is November (41mm).
Average rainfall days
Lake Zurich, IL
- Average rainfall days in January:
6.7 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
13 days - Average rainfall days in April:
17.2 days - Average rainfall days in May:
20 days - Average rainfall days in June:
18.8 days
- Average rainfall days in July:
18.6 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
14.6 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
8.8 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (5.7 days).
Average snowfall
Lake Zurich, IL
The month with the highest snowfall is February (158mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Lake Zurich, IL
- Average snowfall days in January:
15.5 days - Average snowfall days in February:
12.8 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
2.3 days - Average snowfall days in May:
0.2 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:
0.5 days - Average snowfall days in November:
4.7 days - Average snowfall days in December:
11.7 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Lake Zurich, IL
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Lake Zurich, IL
- Average sunshine days in January:
12.2 days - Average sunshine days in February:
10.5 days - Average sunshine days in March:
12.5 days - Average sunshine days in April:
9 days - Average sunshine days in May:
8.5 days - Average sunshine days in June:
8.4 days
- Average sunshine days in July:
9.3 days - Average sunshine days in August:
11.2 days - Average sunshine days in September:
13.4 days - Average sunshine days in October:
13.7 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
13.9 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (8.4 days).
Average UV index
Lake Zurich, IL
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Lake Zurich, IL
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility
Lake Zurich, IL
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).