Climate and monthly weather forecast
Rosewood Heights, IL

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Weather in January

January, like December, in Rosewood Heights, Illinois, is a wintry winter month, with an average temperature ranging between max 36.1°F (2.3°C) and min 23.4°F (-4.8°C). Rosewood Heights notes the coldest temperatures in January, with a high average of 36.1°F (2.3°C) and a low of 23.4°F (-4.8°C). Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Rosewood Heights, Illinois, with an average temperature varying between 41°F (5°C) and 27.1°F (-2.7°C). The commencement of February records an average high-temperature of a still wintry 41°F (5°C), barely varying from January's 36.1°F (2.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Rosewood Heights, Illinois, with an average temperature fluctuating between 37.2°F (2.9°C) and 53.4°F (11.9°C). As Rosewood Heights welcomes March, the average high-temperature sees a rise, transitioning from a wintry 41°F (5°C) in February to a fresh 53.4°F (11.9°C). Weather in March »

Weather in April

April is a comfortable spring month in Rosewood Heights, Illinois, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 64.4°F (18°C). April brings a rise in the average high-temperature, transitioning from March's fresh 53.4°F (11.9°C) to an enjoyable 64.4°F (18°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Rosewood Heights, Illinois, with an average temperature fluctuating between 74.1°F (23.4°C) and 57°F (13.9°C). May sees a temperature increase, moving from a refreshing 64.4°F (18°C) in April to a warm 74.1°F (23.4°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Rosewood Heights, Illinois, with temperature in the range of an average low of 66.2°F (19°C) and an average high of 83.1°F (28.4°C). The shift into June is accompanied by a temperature increase, with the average high-temperature rising from 74.1°F (23.4°C) in May to a still warm 83.1°F (28.4°C). Weather in June »

Weather in July

July, like June, in Rosewood Heights, Illinois, is a moderately hot summer month, with an average temperature ranging between max 85.3°F (29.6°C) and min 67.6°F (19.8°C). Rosewood Heights's warmest month, July, generally records average temperatures ranging from a high of 85.3°F (29.6°C) to a low of 67.6°F (19.8°C). July's heat index is computed to be a fiery hot 96.8°F (36°C). Weather in July »

Weather in August

August, the last month of the summer in Rosewood Heights, is another warm month, with an average temperature fluctuating between 84°F (28.9°C) and 65.7°F (18.7°C). The commencement of August notes an average high-temperature of a still moderately hot 84°F (28.9°C), exhibiting little difference from the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Rosewood Heights, is still a warm month, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 59.4°F (15.2°C). The transition into September involves a small decrease in the average high-temperature, dipping slightly from a warm 84°F (28.9°C) in August to a still moderately hot 78.6°F (25.9°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Rosewood Heights, Illinois, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 65.3°F (18.5°C). October's onset brings a reduction in the average high-temperature, from a moderately hot 78.6°F (25.9°C) in September to an enjoyable 65.3°F (18.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Rosewood Heights, is another cool month, with an average temperature ranging between max 52.2°F (11.2°C) and min 37°F (2.8°C). November weather is marked by a drop in the average high-temperature, falling from a comfortable 65.3°F (18.5°C) in October to a fresh 52.2°F (11.2°C). Weather in November »

Weather in December

December, the first month of the winter in Rosewood Heights, is still a cold month, with an average temperature fluctuating between 29.8°F (-1.2°C) and 41.4°F (5.2°C). The commencement of December involves a temperature shift, with the average high-temperature dropping from a cool 52.2°F (11.2°C) in November to a wintry 41.4°F (5.2°C). Weather in December »

Frequently asked questions

What are the coldest months?

The coldest temperatures occur during January, when averages reach a peak of 36.1°F (2.3°C) and a low of 23.4°F (-4.8°C).

How much does it rain?

Throughout the year, there are 138 rainfall days, and 23.9" (607mm) of precipitation is accumulated.

When does it snow?

January through April, November and December are months with snowfall.

How much does it snow?

Throughout the year, there are 18.6 snowfall days, and 4.53" (115mm) of snow is accumulated.

What is the month with the least sunshine?

January and February, with an average of 4.5h of sunshine, are months with the least sunshine.

When is the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the driest month?

February is the month with the least rainfall. Rain falls for 6.9 days and accumulates 1.14" (29mm) of precipitation.

When does it snow the most?

February is the month with the most snowfall. Snow falls for 5.4 days and accumulates 1.61" (41mm) 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 rainiest month?

May is the month with the most rainfall. Rain falls for 16.6 days and accumulates 3.07" (78mm) of precipitation.

When it does not snow?

In Rosewood Heights, snow does not fall in May through October.

When is the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

When are the longest days in Rosewood Heights?

June has the longest days of the year, with an average of 14h and 54min of daylight.

What month has the most sunshine?

With an average of 10.4h of sunshine, June has the most sunshine of the year.

What time of the year is the hottest?

With average high and low temperatures of 85.3°F (29.6°C) and 67.6°F (19.8°C) respectively, July is Rosewood Heights's warmest month.

What is the most humid month?

The most humid month is July, with an average relative humidity of 80%.

What is the least humid month?

The least humid month is October, with an average relative humidity of 71%.

What is the month with the shortest days in Rosewood Heights?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

Average temperature
Rosewood Heights, IL

Average temperature - Rosewood Heights, IL

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.1°F).

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure
Rosewood Heights, IL

Average pressure - Rosewood Heights, IL

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed
Rosewood Heights, IL

Average wind speed - Rosewood Heights, IL

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

Average humidity
Rosewood Heights, IL

Average humidity - Rosewood Heights, IL

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Rosewood Heights, IL

Average rainfall - Rosewood Heights, IL

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").

Average rainfall days
Rosewood Heights, IL

Average rainfall days - Rosewood Heights, IL

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (5.6 days).

Average snowfall
Rosewood Heights, IL

Average snowfall - Rosewood Heights, IL

The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Rosewood Heights, IL

Average snowfall days - Rosewood Heights, IL

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Rosewood Heights, IL

Average daylight / Average sunshine - Rosewood Heights, IL

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).

Average sunshine days
Rosewood Heights, IL

Average sunshine days - Rosewood Heights, IL

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is July (12.3 days).

Average UV index
Rosewood Heights, IL

Average UV index - Rosewood Heights, IL

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover
Rosewood Heights, IL

Average cloud cover - Rosewood Heights, IL

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).

Average visibility
Rosewood Heights, IL

Average visibility - Rosewood Heights, 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).

Rosewood Heights, Illinois, USA

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