Climate and monthly weather forecast
Sibley, IA

Share

Weather in January

January, the same as December, in Sibley, Iowa, is a freezing cold winter month, with an average temperature fluctuating between 9.5°F (-12.5°C) and 22.3°F (-5.4°C). The coldest temperatures occur during January, when averages reach a peak of 22.3°F (-5.4°C) and a low of 9.5°F (-12.5°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Sibley, Iowa, with temperature in the range of an average low of 12.7°F (-10.7°C) and an average high of 26.1°F (-3.3°C). As Sibley, Iowa, transitions from January to February, the average high-temperatures adjust to a still freezing cold 26.1°F (-3.3°C), nearly the same as the previous 22.3°F (-5.4°C). Weather in February »

Weather in March

March, the first month of the spring in Sibley, is an icy month, with an average temperature fluctuating between 42.1°F (5.6°C) and 27.7°F (-2.4°C). As March arrives, a noticeable rise in the average high-temperature is witnessed, moving from a freezing cold 26.1°F (-3.3°C) in February to an icy 42.1°F (5.6°C). Weather in March »

Weather in April

April is a fresh spring month in Sibley, Iowa, with an average temperature varying between 38.8°F (3.8°C) and 54.9°F (12.7°C). The shift into April brings an increase in the average high-temperature, moving from an icy 42.1°F (5.6°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 Sibley, is an enjoyable month, with an average temperature ranging between max 67.5°F (19.7°C) and min 50.7°F (10.4°C). May brings a temperature increase, with average high-temperatures moving from April's fresh 54.9°F (12.7°C) to a comfortable 67.5°F (19.7°C). Weather in May »

Weather in June

June, the first month of the summer in Sibley, is a moderately hot month, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 77.2°F (25.1°C). An increase in the average high-temperature marks June, moving from May's comfortable 67.5°F (19.7°C) to a moderately hot 77.2°F (25.1°C). Weather in June »

Weather in July

July, like June, in Sibley, Iowa, is another warm summer month, with an average temperature ranging between max 80.6°F (27°C) and min 62.4°F (16.9°C). July, having an average high-temperature of 80.6°F (27°C) and an average low-temperature of 62.4°F (16.9°C), is the warmest month. Throughout July, the heat index is evaluated at a hot 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Sibley, Iowa, with an average temperature varying between 78.6°F (25.9°C) and 59.5°F (15.3°C). Sibley experiences a subtle adjustment in high-temperatures to a still moderately hot 78.6°F (25.9°C) with the onset of August, maintaining near parity with July's 80.6°F (27°C). Weather in August »

Weather in September

September, the first month of the autumn in Sibley, is still a pleasant month, with temperature in the range of an average low of 53.6°F (12°C) and an average high of 73°F (22.8°C). The beginning of September brings a slight decrease in the average high-temperature, transitioning from a warm 78.6°F (25.9°C) in August to an agreeable 73°F (22.8°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Sibley, Iowa, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 56.5°F (13.6°C). Sibley's weather in October is marked by a clear decrease in the average high-temperature, moving down from September's agreeable 73°F (22.8°C) to a moderate 56.5°F (13.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Sibley, Iowa, with an average temperature ranging between max 42.3°F (5.7°C) and min 29.3°F (-1.5°C). In Sibley, entering November brings a temperature decrement, reducing from October's mild 56.5°F (13.6°C) to a wintry 42.3°F (5.7°C). Weather in November »

Weather in December

December, the first month of the winter in Sibley, is still a freezing cold month, with an average temperature ranging between min 15.8°F (-9°C) and max 26.8°F (-2.9°C). A decrease in the average high-temperature marks December, falling from November's icy 42.3°F (5.7°C) to a subzero cold 26.8°F (-2.9°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Sibley?

The month of January, characterized by an average high of 22.3°F (-5.4°C) and a low of 9.5°F (-12.5°C), is recognized as the coldest in Sibley.

What is the most humid month in Sibley?

The most humid month in Sibley, Iowa, is January, with an average relative humidity of 89%.

What is the driest month in Sibley?

The month with the least rainfall in Sibley, Iowa, is January, when the rain falls for 3.7 days and typically collects 0.71" (18mm) of precipitation.

How many days does it rain in Sibley?

Throughout the year, in Sibley, there are 122.3 rainfall days, and 22.24" (565mm) of precipitation is accumulated.

When does it snow in Sibley?

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

How much does it snow in Sibley?

In Sibley, during the entire year, snow falls for 51.6 days and aggregates up to 19.69" (500mm) of snow.

What is the month with the least sunshine in Sibley?

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

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

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

What is the snowiest month in Sibley?

February is the month with the most snowfall. Snow falls for 9.8 days and accumulates 4.53" (115mm) of snow.

When is Daylight Saving Time (DST) in Sibley?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sibley, Iowa, 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 in Sibley?

The month with the most rainfall in Sibley is June, when the rain falls for 17.9 days and typically aggregates up to 3.7" (94mm) of precipitation.

When it does not snow in Sibley?

June through September are months without snowfall.

When are the longest days in Sibley?

June has the longest days of the year in Sibley, with an average of 15h and 24min of daylight.

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

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

What time of the year is the hottest in Sibley?

In Sibley, July is the warmest month, with temperatures averaging a high of 80.6°F (27°C) and a low of 62.4°F (16.9°C).

What month has the most sunshine in Sibley?

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

What is the least humid month in Sibley?

October is the least humid month in Sibley, Iowa, with an average relative humidity of 68%.

What is the month with the shortest days in Sibley?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

Average temperature
Sibley, IA

Average temperature - Sibley, IA

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (22.3°F).

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).

Average pressure
Sibley, IA

Average pressure - Sibley, IA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed
Sibley, IA

Average wind speed - Sibley, IA

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

Average humidity
Sibley, IA

Average humidity - Sibley, IA

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (68%).

Average rainfall
Sibley, IA

Average rainfall - Sibley, IA

The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days
Sibley, IA

Average rainfall days - Sibley, IA

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).

Average snowfall
Sibley, IA

Average snowfall - Sibley, IA

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Sibley, IA

Average snowfall days - Sibley, IA

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Sibley, IA

Average daylight / Average sunshine - Sibley, IA

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

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
Sibley, IA

Average sunshine days - Sibley, IA

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is June (9.1 days).

Average visibility
Sibley, IA

Average visibility - Sibley, IA

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Sibley, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location