Climate and monthly weather forecast
Sac City, IA

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Weather in January

January, the same as December, in Sac City, Iowa, is another subzero cold winter month, with an average temperature varying between 13.1°F (-10.5°C) and 25.2°F (-3.8°C). January stands out as Sac City's coldest month, with an average high-temperature of 25.2°F (-3.8°C) and a low-temperature of 13.1°F (-10.5°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Sac City, Iowa, with an average temperature ranging between max 29.1°F (-1.6°C) and min 16.2°F (-8.8°C). The arrival of February marks a slight shift to an average high-temperature of a still subzero cold 29.1°F (-1.6°C) from January's 25.2°F (-3.8°C). Weather in February »

Weather in March

March, the first month of the spring in Sac City, is a chilly month, with an average temperature ranging between min 30.6°F (-0.8°C) and max 45°F (7.2°C). As March arrives, a noticeable rise in the average high-temperature is witnessed, moving from a freezing cold 29.1°F (-1.6°C) in February to a frosty 45°F (7.2°C). Weather in March »

Weather in April

April is a moderate spring month in Sac City, Iowa, with an average temperature varying between 41.5°F (5.3°C) and 57.9°F (14.4°C). With the onset of April, Sac City experiences a temperature shift, with the average high-temperature moving from a frosty 45°F (7.2°C) in March to a refreshing 57.9°F (14.4°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Sac City, Iowa, with an average temperature ranging between max 69.1°F (20.6°C) and min 52.7°F (11.5°C). May witnesses an increase in the average high-temperature, moving from a refreshing 57.9°F (14.4°C) in April to an agreeable 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 Sac City, Iowa, with an average temperature fluctuating between 62.6°F (17°C) and 79°F (26.1°C). Sac City's June weather brings a rise in high-temperatures, moving from an agreeable 69.1°F (20.6°C) in May to a warm 79°F (26.1°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Sac City, Iowa, with an average temperature ranging between min 64°F (17.8°C) and max 81.3°F (27.4°C). July registers as the month with the highest average temperatures, reaching 81.3°F (27.4°C) at its peak and 64°F (17.8°C) at the lowest. For most parts of July, the heat index is estimated at a hot 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Sac City, is also a moderately hot month, with an average temperature ranging between min 61.3°F (16.3°C) and max 79.2°F (26.2°C). August brings an average high-temperature of a still warm 79.2°F (26.2°C), nearly identical to the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Sac City, Iowa, with an average temperature fluctuating between 55.2°F (12.9°C) and 74.1°F (23.4°C). The advent of September reveals an average high-temperature of a still moderately hot 74.1°F (23.4°C), showing minimal difference from the prior month. Weather in September »

Weather in October

October, like September, is another mild autumn month in Sac City, Iowa, with temperature in the range of an average low of 43.5°F (6.4°C) and an average high of 58.6°F (14.8°C). With the beginning of October, Sac City's average high-temperature experiences a significant decrease, moving from a warm 74.1°F (23.4°C) in September to a refreshing 58.6°F (14.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Sac City, is also a frosty month, with an average temperature varying between 44.8°F (7.1°C) and 31.6°F (-0.2°C). Sac City's transition into November involves a shift in temperature, receding from a moderate 58.6°F (14.8°C) in October to a chilly 44.8°F (7.1°C). Weather in November »

Weather in December

December, the first month of the winter in Sac City, is also a subzero cold month, with an average temperature fluctuating between 30.2°F (-1°C) and 20.1°F (-6.6°C). December signals a clear temperature drop, with average high-temperatures decreasing from November's frosty 44.8°F (7.1°C) to a freezing cold 30.2°F (-1°C). Weather in December »
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Sac City?

January stands out as Sac City's coldest month, with temperatures ranging between an average high of 25.2°F (-3.8°C) and a low of 13.1°F (-10.5°C).

What is the most humid month?

With an average relative humidity of 85%, January is the most humid month.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 3.3 days and typically collects 0.43" (11mm) of precipitation.

How much does it rain?

In Sac City, during the entire year, the rain falls for 107.9 days and collects up to 15.04" (382mm) of precipitation.

When does it snow?

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

How much does it snow?

Throughout the year, there are 35.1 snowfall days, and 7.99" (203mm) of snow is accumulated.

What is the month with the least sunshine?

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

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 8.3 days and typically aggregates up to 2.68" (68mm) of snow.

When is the lowest UV index?

With an average maximum UV index of 1, February is the month with the lowest UV index in Sac City.

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 least humid month?

The least humid month is April, with an average relative humidity of 67%.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 14.2 days and accumulates 2.48" (63mm) of precipitation.

When it does not snow?

In Sac City, snow does not fall in June through September.

When are the longest days?

With an average of 15h and 12min of daylight, June has the longest days of the year.

When is the highest UV index?

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

What month is the hottest?

In Sac City, the peak average temperatures are observed in July, with a high of 81.3°F (27.4°C) and a low of 64°F (17.8°C).

What month has the most sunshine?

With an average of 10.3h of sunshine, July has the most sunshine of the year.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

Average temperature
Sac City, IA

Average temperature - Sac City, IA

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (25.2°F).

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).

Average pressure
Sac City, IA

Average pressure - Sac City, IA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed
Sac City, IA

Average wind speed - Sac City, IA

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

Average humidity
Sac City, IA

Average humidity - Sac City, IA

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is April (67%).

Average rainfall
Sac City, IA

Average rainfall - Sac City, IA

The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days
Sac City, IA

Average rainfall days - Sac City, IA

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2.5 days).

Average snowfall
Sac City, IA

Average snowfall - Sac City, IA

The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Sac City, IA

Average snowfall days - Sac City, IA

The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Sac City, IA

Average daylight / Average sunshine - Sac City, IA

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 6min).

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days
Sac City, IA

Average sunshine days - Sac City, IA

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12 days).

Average visibility
Sac City, IA

Average visibility - Sac City, 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).

Sac City, Iowa, USA

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