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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
Weather in January
January, like December, is a freezing cold winter month in Lake Barrington, Illinois, with an average temperature fluctuating between 16.3°F (-8.7°C) and 27.7°F (-2.4°C). Lake Barrington notes the coldest temperatures in January, with a high average of 27.7°F (-2.4°C) and a low of 16.3°F (-8.7°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Lake Barrington, Illinois, with an average temperature varying between 31.1°F (-0.5°C) and 18.9°F (-7.3°C). February's average high-temperature stands at a still subzero cold 31.1°F (-0.5°C), showing little deviation from January's 27.7°F (-2.4°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Lake Barrington, Illinois, with an average temperature varying between 43.5°F (6.4°C) and 30.4°F (-0.9°C). An increase in the average high-temperature marks March, moving from February's freezing cold 31.1°F (-0.5°C) to a chilly 43.5°F (6.4°C). Weather in March »
Weather in April
April in Lake Barrington, Illinois, is a fresh spring month, with an average temperature varying between 39.2°F (4°C) and 54.3°F (12.4°C). A shift in the average high-temperature is noticeable in April, changing from a frosty 43.5°F (6.4°C) in March to a cool 54.3°F (12.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Lake Barrington, Illinois, with an average temperature varying between 50.2°F (10.1°C) and 66.4°F (19.1°C). With the onset of May, Lake Barrington sees a temperature rise, with the average high-temperature moving from April's fresh 54.3°F (12.4°C) to a refreshing 66.4°F (19.1°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Lake Barrington, Illinois, with an average temperature fluctuating between 75.9°F (24.4°C) and 59.7°F (15.4°C). June's onset brings a temperature rise, moving from a comfortable 66.4°F (19.1°C) in May to a moderately hot 75.9°F (24.4°C). Weather in June »
Weather in July
July, like June, in Lake Barrington, Illinois, is another warm summer month, with temperature in the range of an average high of 80.6°F (27°C) and an average low of 64.9°F (18.3°C). Lake Barrington experiences its highest temperatures in July, with an average peak of 80.6°F (27°C) and a low of 64.9°F (18.3°C). For most parts of July, the heat index is appraised at a hot 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Lake Barrington, is another warm month, with an average temperature varying between 79.3°F (26.3°C) and 63.5°F (17.5°C). August brings an average high-temperature of a still moderately hot 79.3°F (26.3°C), showing a slight difference from July's 80.6°F (27°C). Weather in August »
Weather in September
September, the first month of the autumn in Lake Barrington, is still a pleasant month, with an average temperature varying between 72.9°F (22.7°C) and 57.2°F (14°C). September's arrival subtly correlates with a reduction in the average high-temperature, down from a warm 79.3°F (26.3°C) in August to an agreeable 72.9°F (22.7°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Lake Barrington, Illinois, with an average temperature fluctuating between 59.5°F (15.3°C) and 45.3°F (7.4°C). In Lake Barrington, the average high-temperature in October decreases from a pleasant 72.9°F (22.7°C) in September to a refreshing 59.5°F (15.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Lake Barrington, is another chilly month, with temperature in the range of an average high of 45.1°F (7.3°C) and an average low of 33.1°F (0.6°C). A clear decrease in the average high-temperature is observed during November, decreasing from a refreshing 59.5°F (15.3°C) in October to a chilly 45.1°F (7.3°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Lake Barrington, Illinois, with an average temperature ranging between max 33.4°F (0.8°C) and min 23.9°F (-4.5°C). Lake Barrington's December weather features a mild decline in high-temperatures, reducing from a chilly 45.1°F (7.3°C) in November to an icy 33.4°F (0.8°C). Weather in December »
Updated: Aug 14, 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 are the coldest months?
Temperature readings reach their annual highs in January, averaging 27.7°F (-2.4°C) and a minimum average of 16.3°F (-8.7°C).
What is the most humid month?
January and February, with an average relative humidity of 83%, are most humid months.
How much does it rain?
Throughout the year, there are 163.1 rainfall days, and 32.24" (819mm) of precipitation is accumulated.
When does it snow in Lake Barrington?
January through May, October through December are months with snowfall.
How much does it snow?
Throughout the year, there are 55.5 snowfall days, and 22.95" (583mm) of snow is accumulated.
What is the month with the least sunshine?
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?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 12.8 days and typically aggregates up to 6.22" (158mm) of snow.
When is Daylight Saving Time (DST)?
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?
The month with the most rainfall is June, when the rain falls for 18.8 days and typically aggregates up to 4.13" (105mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 12min of daylight.
What is the hottest time of year?
July, with average temperatures reaching a high of 80.6°F (27°C) and a low of 64.9°F (18.3°C), is the warmest month.
What are the months with the most sunshine?
The months with the most sunshine are July and August, with an average of 10.1h of sunshine.
What is the month with the highest UV index?
July and August, with an average maximum UV index of 6, are months with the highest UV index.
What is the least humid month?
The least humid month is October, with an average relative humidity of 74%.
What is the driest month?
November is the month with the least rainfall. Rain falls for 9.4 days and accumulates 1.61" (41mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Lake Barrington, IL
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.7°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure
Lake Barrington, 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
Lake Barrington, IL
- Average wind speed in January:
10.1mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.5mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.2mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Lake Barrington, 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 Barrington, IL
- Average rainfall in January:
1.77" - Average rainfall in February:
1.85" - Average rainfall in March:
2.01" - Average rainfall in April:
3.86" - Average rainfall in May:
4.06" - Average rainfall in June:
4.13"
- Average rainfall in July:
3.27" - Average rainfall in August:
3.11" - Average rainfall in September:
2.2" - Average rainfall in October:
2.72" - Average rainfall in November:
1.61" - Average rainfall in December:
1.65"
The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days
Lake Barrington, 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 Barrington, IL
- Average snowfall in January:
6.14" - Average snowfall in February:
6.22" - Average snowfall in March:
2.17" - Average snowfall in April:
2.56" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Lake Barrington, 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 Barrington, 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 Barrington, 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 Barrington, 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 Barrington, 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 Barrington, IL
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Lake Barrington, Illinois, USA
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