Climate and monthly weather forecast
Chatsworth, IA

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Weather in January

January, the same as December, in Chatsworth, Iowa, is another subzero cold winter month, with an average temperature ranging between max 25°F (-3.9°C) and min 11.3°F (-11.5°C). January is the coldest month, with an average high-temperature of 25°F (-3.9°C) and an average low-temperature of 11.3°F (-11.5°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Chatsworth, Iowa, with an average temperature varying between 14.9°F (-9.5°C) and 29.1°F (-1.6°C). The advent of February reveals an average high-temperature of a still freezing cold 29.1°F (-1.6°C), showing minimal difference from the prior month. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Chatsworth, Iowa, with temperature in the range of an average high of 45.1°F (7.3°C) and an average low of 29.7°F (-1.3°C). A distinct shift in the average high-temperature is signaled in March, moving up from a subzero cold 29.1°F (-1.6°C) in February to a chilly 45.1°F (7.3°C). Weather in March »

Weather in April

April is a refreshing spring month in Chatsworth, Iowa, with an average temperature ranging between max 57.2°F (14°C) and min 40.5°F (4.7°C). Chatsworth's transition into April sees a rise in the average high-temperature, advancing from a frosty 45.1°F (7.3°C) in March to a moderate 57.2°F (14°C). Weather in April »

Weather in May

May, the last month of the spring in Chatsworth, is a pleasant month, with an average temperature ranging between min 51.6°F (10.9°C) and max 69.1°F (20.6°C). With the onset of May, the average high-temperature slightly shifts from April's moderate 57.2°F (14°C) to a pleasant 69.1°F (20.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Chatsworth, Iowa, with an average temperature varying between 78.4°F (25.8°C) and 61.3°F (16.3°C). With the onset of June, Chatsworth experiences a temperature shift, with the average high-temperature moving from a pleasant 69.1°F (20.6°C) in May to a warm 78.4°F (25.8°C). Weather in June »

Weather in July

July, like June, in Chatsworth, Iowa, is a moderately hot summer month, with an average temperature fluctuating between 82.9°F (28.3°C) and 63.7°F (17.6°C). Chatsworth witnesses the warmest weather in July, with temperatures averaging a high of 82.9°F (28.3°C) and a low of 63.7°F (17.6°C). The heat index value for July is evaluated at a tropical 89.6°F (32°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Chatsworth, Iowa, with an average temperature ranging between min 60.4°F (15.8°C) and max 81.1°F (27.3°C). The advent of August reveals an average high-temperature of a still moderately hot 81.1°F (27.3°C), showing minimal difference from the prior month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Chatsworth, Iowa, with an average temperature fluctuating between 54.5°F (12.5°C) and 74.8°F (23.8°C). The shift from August to September includes a small decrease in the average high-temperature, from a warm 81.1°F (27.3°C) to a still moderately hot 74.8°F (23.8°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Chatsworth, Iowa, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 58.5°F (14.7°C). The onset of October brings a distinct decrease in the average high-temperature, receding from a moderately hot 74.8°F (23.8°C) in September to a mild 58.5°F (14.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Chatsworth, is also a frosty month, with an average temperature fluctuating between 45.1°F (7.3°C) and 30.4°F (-0.9°C). November indicates a shift in the average high-temperature, from October's mild 58.5°F (14.7°C) to a frosty 45.1°F (7.3°C). Weather in November »

Weather in December

December, the first month of the winter in Chatsworth, is also a subzero cold month, with an average temperature fluctuating between 29.3°F (-1.5°C) and 16.9°F (-8.4°C). Chatsworth's transition into December is marked by a clear drop in the average high-temperature, receding from a chilly 45.1°F (7.3°C) in November to a subzero cold 29.3°F (-1.5°C). Weather in December »
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Chatsworth?

With an average high-temperature of 25°F (-3.9°C) and an average low-temperature of 11.3°F (-11.5°C), January is the coldest month.

What is the most humid month?

The most humid month is January, with an average relative humidity of 86%.

What is the driest month?

January and February are months with the least rain when the rain falls for 2.3 days and typically aggregates up to 0.16" (4mm) of rain.

How many days does it rain?

Throughout the year, there are 80.7 rainfall days, and 6.54" (166mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through May, October through December.

How many days does it snow?

In Chatsworth, Iowa, during the entire year, snow falls for 27.5 days and aggregates up to 2.76" (70mm) of snow.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 4h of sunshine.

What are the months with the lowest UV index in Chatsworth?

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

What is the snowiest month?

February is the month with the most snowfall. Snow falls for 6.4 days and accumulates 0.75" (19mm) 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?

June is the month with the most rainfall. Rain falls for 13 days and accumulates 1.06" (27mm) of precipitation.

When it does not snow?

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

When are the longest days in Chatsworth?

The month with the longest days is June, with an average of 15h and 18min of daylight.

What is the month with the highest UV index in Chatsworth?

The months with the highest UV index are June and July, with an average maximum UV index of 6.

What month is the hottest?

The average temperatures reach their apex in July, averaging 82.9°F (28.3°C) at the high end and 63.7°F (17.6°C) at the low end.

What month has the most sunshine?

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

What is the least humid month?

With an average relative humidity of 66%, October is the least humid month.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

Average temperature
Chatsworth, IA

Average temperature - Chatsworth, IA

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (25°F).

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).

Average pressure
Chatsworth, IA

Average pressure - Chatsworth, IA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed
Chatsworth, IA

Average wind speed - Chatsworth, IA

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

Average humidity
Chatsworth, IA

Average humidity - Chatsworth, IA

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (66%).

Average rainfall
Chatsworth, IA

Average rainfall - Chatsworth, IA

The wettest month (with the highest rainfall) is June (1.06").
The driest months (with the least rainfall) are January and February (0.16").

Average rainfall days
Chatsworth, IA

Average rainfall days - Chatsworth, IA

The month with the highest number of rainy days is June (13 days).
The month with the least rainy days is February (1.3 days).

Average snowfall
Chatsworth, IA

Average snowfall - Chatsworth, IA

The month with the highest snowfall is February (0.75").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Chatsworth, IA

Average snowfall days - Chatsworth, IA

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Chatsworth, IA

Average daylight / Average sunshine - Chatsworth, IA

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days
Chatsworth, IA

Average sunshine days - Chatsworth, IA

The month with the most sunshine days is December (26 days).
The month with the least sunshine days is June (13.2 days).

Average UV index
Chatsworth, IA

Average UV index - Chatsworth, IA

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

Average visibility
Chatsworth, IA

Average visibility - Chatsworth, IA

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).

Chatsworth, Iowa, USA

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