Barrington
Illinois, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Barrington, IL

January, like December, is another subzero cold winter month in Barrington, Illinois, with average temperature ranging between min 17.1°F (-8.3°C) and max 30.9°F (-0.6°C). The coldest month is January, with an average high-temperature of 30.9°F (-0.6°C) and an average low-temperature of 17.1°F (-8.3°C). Weather in January »
The last month of the winter, February, is a wintry month in Barrington, Illinois, with average temperature fluctuating between 19.9°F (-6.7°C) and 35.1°F (1.7°C). In February, the average high-temperature is essentially the same as in January - a wintry 35.1°F (1.7°C). Weather in February »

March, the first month of the spring, in Barrington, is a frosty month, with average temperature fluctuating between 28.9°F (-1.7°C) and 46.9°F (8.3°C). In Barrington, the average high-temperature in March rises, from a wintry 35.1°F (1.7°C) in February, to a chilly 46.9°F (8.3°C). Weather in March »

April in Barrington, Illinois, is a moderate spring month, with average temperature varying between 39°F (3.9°C) and 59°F (15°C). In Barrington, the average high-temperature rises, from a frosty 46.9°F (8.3°C) in March, to a moderate 59°F (15°C). Weather in April »

May, the last month of the spring, in Barrington, is a pleasant month, with average temperature varying between 48.9°F (9.4°C) and 70°F (21.1°C). In Barrington, the average high-temperature in May rises, from a moderate 59°F (15°C) in April, to an agreeable 70°F (21.1°C). Weather in May »

June, the first month of the summer, in Barrington, is a warm month, with average temperature varying between 79°F (26.1°C) and 59°F (15°C). In Barrington, Illinois, the average high-temperature in June increases, from a pleasant 70°F (21.1°C) in May, to a warm 79°F (26.1°C). Weather in June »

July, like June, in Barrington, Illinois, is a moderately hot summer month, with average temperature varying between 84°F (28.9°C) and 64°F (17.8°C). With an average high-temperature of 84°F (28.9°C) and an average low-temperature of 64°F (17.8°C), July is the warmest month. Weather in July »

August, the last month of the summer, in Barrington, is also a moderately hot month, with average temperature ranging between min 63°F (17.2°C) and max 81°F (27.2°C). In Barrington, the average high-temperature is relatively the same as in July - a still warm 81°F (27.2°C). Weather in August »

September, the first month of the autumn, in Barrington, is still a warm month, with average temperature varying between 73.9°F (23.3°C) and 55°F (12.8°C). In Barrington, the average high-temperature in September slightly decreases, from 81°F (27.2°C) in August, to a still warm 73.9°F (23.3°C). Weather in September »

October, like September, in Barrington, Illinois, is another enjoyable autumn month, with average temperature fluctuating between 43°F (6.1°C) and 62.1°F (16.7°C). In October, the average high-temperature drops, from a moderately hot 73.9°F (23.3°C) in September, to an enjoyable 62.1°F (16.7°C). Weather in October »

The last month of the autumn, November, is also a frosty month in Barrington, Illinois, with temperature in the range of an average low of 32°F (0°C) and an average high of 48°F (8.9°C). In November, the average high-temperature drops, from an enjoyable 62.1°F (16.7°C) in October, to a frosty 48°F (8.9°C). Weather in November »

The first month of the winter, December, is also a wintry month in Barrington, Illinois, with temperature in the range of an average low of 21.9°F (-5.6°C) and an average high of 36°F (2.2°C). In December, the average high-temperature drops, from a chilly 48°F (8.9°C) in November, to a wintry 36°F (2.2°C). Weather in December »

What is the coldest month in Barrington?

With an average high-temperature of 30.9°F (-0.6°C) and an average low-temperature of 17.1°F (-8.3°C), January is the coldest month in Barrington.

How much does it rain in Barrington?

During the entire year, Barrington aggregates up to 34.9" (887mm) of precipitation.

What is the driest month in Barrington?

The month with the least rainfall in Barrington, Illinois, is February when 1.4" (36.8mm) of precipitation is typically aggregated.

When are the longest days in Barrington?

The month with the longest days in Barrington, Illinois, is June, with an average of 15.2h of daylight.

What is the warmest month in Barrington?

The warmest month in Barrington is July, with an average high-temperature of 84°F (28.9°C) and an average low-temperature of 64°F (17.8°C).

What is the rainiest month in Barrington?

August is the month with the most rainfall, with 4.8" (121.9mm) of accumulated precipitation.

What is the month with the shortest days in Barrington?

With an average of 9.2h of daylight, December has the shortest days of the year.
Average rainfall - Barrington, IL
Average daylight - Barrington, IL

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).