Climate and monthly weather forecast
Palatine, IL

Weather in January

January, like December, is a freezing cold winter month in Palatine, Illinois, with an average temperature fluctuating between 27.9°F (-2.3°C) and 16.9°F (-8.4°C). January is the coldest month, with an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 16.9°F (-8.4°C). Weather in January »

Weather in February

February, the last month of the winter in Palatine, is another freezing cold month, with an average temperature varying between 19.2°F (-7.1°C) and 31.5°F (-0.3°C). In Palatine, the average high-temperature in February is practically the same as in January - a still subzero cold 31.5°F (-0.3°C). Weather in February »

Weather in March

March, the first month of the spring in Palatine, is a frosty month, with an average temperature varying between 30.6°F (-0.8°C) and 43.9°F (6.6°C). In Palatine, Illinois, the average high-temperature in March increases from a freezing cold 31.5°F (-0.3°C) in February to a chilly 43.9°F (6.6°C). Weather in March »

Weather in April

April is a fresh spring month in Palatine, Illinois, with an average temperature varying between 39.6°F (4.2°C) and 54.9°F (12.7°C). In Palatine, Illinois, the average high-temperature in April rises from a chilly 43.9°F (6.6°C) in March to a fresh 54.9°F (12.7°C). Weather in April »

Weather in May

May, the last month of the spring in Palatine, is an enjoyable month, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 50.5°F (10.3°C). In May, the average high-temperature increases from a fresh 54.9°F (12.7°C) in April to a comfortable 67.1°F (19.5°C). Weather in May »

Weather in June

June, the first month of the summer in Palatine, is a warm month, with an average temperature varying between 76.8°F (24.9°C) and 60.3°F (15.7°C). In June, the average high-temperature increases from an enjoyable 67.1°F (19.5°C) in May to a moderately hot 76.8°F (24.9°C). Weather in June »

Weather in July

July, like June, in Palatine, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 65.8°F (18.8°C) and 81.5°F (27.5°C). With an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 65.8°F (18.8°C), July is the warmest month. The average heat index in July is estimated at a hot 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Palatine, is another warm month, with an average temperature varying between 64.4°F (18°C) and 80.1°F (26.7°C). In Palatine, the average high-temperature in August is relatively the same as in July - a still warm 80.1°F (26.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Palatine, is also an agreeable month, with an average temperature ranging between min 57.9°F (14.4°C) and max 73.2°F (22.9°C). In Palatine, Illinois, the average high-temperature in September slightly decreases from a moderately hot 80.1°F (26.7°C) in August to an agreeable 73.2°F (22.9°C). Weather in September »

Weather in October

October, the same as September, in Palatine, Illinois, is another mild autumn month, with an average temperature fluctuating between 60.1°F (15.6°C) and 45.5°F (7.5°C). In Palatine, the average high-temperature in October drops from a pleasant 73.2°F (22.9°C) in September to a moderate 60.1°F (15.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Palatine, Illinois, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 45.5°F (7.5°C). In Palatine, the average high-temperature in November significantly decreases from a mild 60.1°F (15.6°C) in October to a frosty 45.5°F (7.5°C). Weather in November »

Weather in December

December, the first month of the winter in Palatine, is still a cold month, with an average temperature varying between 24.6°F (-4.1°C) and 34.3°F (1.3°C). In December, the average high-temperature decreases from a chilly 45.5°F (7.5°C) in November to a cold 34.3°F (1.3°C). Weather in December »
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FAQ

What is the coldest month in Palatine?

January is the coldest month in Palatine, Illinois, with an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 16.9°F (-8.4°C).

What is the most humid month in Palatine?

January and February, with an average relative humidity of 83%, are most humid months.

How many days does it rain in Palatine?

Throughout the year, there are 120.6 rainfall days, and 13.98" (355mm) of precipitation is accumulated.

When does it snow in Palatine?

January through May, October through December are months with snowfall in Palatine, Illinois.

How many days does it snow in Palatine?

Throughout the year, there are 37.9 snowfall days, and 6.89" (175mm) of snow is accumulated.

What is the month with the least sunshine in Palatine?

The month with the least sunshine is January, with an average of 3.7h of sunshine.

What is the month with the lowest UV index in Palatine?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the snowiest month in Palatine?

February is the month with the most snowfall. Snow falls for 8.3 days and accumulates 1.81" (46mm) of snow.

When is Daylight Saving Time (DST) in Palatine?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.

What is the rainiest month in Palatine?

The month with the most rainfall in Palatine, Illinois, is May, when the rain falls for 14.7 days and typically aggregates up to 1.77" (45mm) of precipitation.

When it does not snow in Palatine?

In Palatine, snow does not fall in June through September.

When are the longest days in Palatine?

The month with the longest days is June, with an average of 15h and 12min of daylight.

When is the highest UV index in Palatine?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Palatine, Illinois.

What is the warmest month in Palatine?

The warmest month is July, with an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 65.8°F (18.8°C).

What are the months with the most sunshine in Palatine?

July and August, with an average of 10.1h of sunshine, are months with the most sunshine in Palatine, Illinois.

What is the least humid month in Palatine?

With an average relative humidity of 73%, October is the least humid month in Palatine.

What is the driest month in Palatine?

December is the month with the least rainfall in Palatine, Illinois. Rain falls for 4.6 days and accumulates 0.59" (15mm) of precipitation.

What is the month with the shortest days in Palatine?

The month with the shortest days is December, with an average of 9h and 10min of daylight.

Average temperature
Palatine, IL

Average temperature - Palatine, IL

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.9°F).

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure
Palatine, IL

Average pressure - Palatine, IL

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Palatine, IL

Average wind speed - Palatine, IL

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity
Palatine, IL

Average humidity - Palatine, IL

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).

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Average rainfall
Palatine, IL

Average rainfall - Palatine, IL

The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is December (0.59").

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Average rainfall days
Palatine, IL

Average rainfall days - Palatine, IL

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall
Palatine, IL

Average snowfall - Palatine, IL

The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Palatine, IL

Average snowfall days - Palatine, IL

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Palatine, IL

Average daylight / Average sunshine - Palatine, IL

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 10min).

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).

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Average sunshine days
Palatine, IL

Average sunshine days - Palatine, IL

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is July (12.1 days).

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Average UV index
Palatine, IL

Average UV index - Palatine, 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).

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Average visibility
Palatine, IL

Average visibility - Palatine, 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).

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