Monthly weather forecast and climate
Fort Atkinson, IA

Weather in January

January, like December, is another subzero cold winter month in Fort Atkinson, Iowa, with average temperature varying between 22.3°F (-5.4°C) and 9.7°F (-12.4°C). The coldest month is January, with an average high-temperature of 22.3°F (-5.4°C) and an average low-temperature of 9.7°F (-12.4°C). Weather in January »

Weather in February

February, the last month of the winter, in Fort Atkinson, is also a subzero cold month, with average temperature ranging between min 12.7°F (-10.7°C) and max 26.1°F (-3.3°C). In Fort Atkinson, the average high-temperature is relatively the same as in January - a still subzero cold 26.1°F (-3.3°C). Weather in February »

Weather in March

March, the first month of the spring, in Fort Atkinson, is a wintry month, with average temperature fluctuating between 26.8°F (-2.9°C) and 41°F (5°C). In Fort Atkinson, the average high-temperature significantly increases, from a freezing cold 26.1°F (-3.3°C) in February, to a wintry 41°F (5°C). Weather in March »

Weather in April

April in Fort Atkinson, Iowa, is a cool spring month, with average temperature ranging between min 37.4°F (3°C) and max 54°F (12.2°C). In April, the average high-temperature increases, from a cold 41°F (5°C) in March, to a fresh 54°F (12.2°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Fort Atkinson, Iowa, with average temperature varying between 48.7°F (9.3°C) and 65.7°F (18.7°C). In Fort Atkinson, the average high-temperature increases, from a fresh 54°F (12.2°C) in April, to a comfortable 65.7°F (18.7°C). Weather in May »

Weather in June

June, the first month of the summer, in Fort Atkinson, is a warm month, with average temperature varying between 75°F (23.9°C) and 58.6°F (14.8°C). In June, the average high-temperature rises, from a comfortable 65.7°F (18.7°C) in May, to a moderately hot 75°F (23.9°C). Weather in June »

Weather in July

July, like June, in Fort Atkinson, Iowa, is another warm summer month, with temperature in the range of an average low of 61.9°F (16.6°C) and an average high of 78.4°F (25.8°C). July is the warmest month, with an average high-temperature of 78.4°F (25.8°C) and an average low-temperature of 61.9°F (16.6°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Fort Atkinson, Iowa, with average temperature varying between 77.2°F (25.1°C) and 59.4°F (15.2°C). In Fort Atkinson, Iowa, the average high-temperature in August is relatively the same as in July - a still moderately hot 77.2°F (25.1°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Fort Atkinson, Iowa, with average temperature ranging between min 52°F (11.1°C) and max 70.7°F (21.5°C). In September, the average high-temperature slightly decreases, from a warm 77.2°F (25.1°C) in August, to a pleasant 70.7°F (21.5°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Fort Atkinson, Iowa, with average temperature varying between 56.3°F (13.5°C) and 41.2°F (5.1°C). In Fort Atkinson, the average high-temperature in October declines considerably, from an agreeable 70.7°F (21.5°C) in September, to a moderate 56.3°F (13.5°C). Weather in October »

Weather in November

November, the last month of the autumn, in Fort Atkinson, is another cold month, with temperature in the range of an average low of 29.3°F (-1.5°C) and an average high of 41.9°F (5.5°C). In November, the average high-temperature declines considerably, from a moderate 56.3°F (13.5°C) in October, to a cold 41.9°F (5.5°C). Weather in November »

Weather in December

December, the first month of the winter, in Fort Atkinson, is still a freezing cold month, with average temperature ranging between min 18.3°F (-7.6°C) and max 28.4°F (-2°C). In December, the average high-temperature drops, from a wintry 41.9°F (5.5°C) in November, to a subzero cold 28.4°F (-2°C). Weather in December »
[Resources]

FAQ

What is the coldest month in Fort Atkinson?

January is the coldest month, with an average high-temperature of 22.3°F (-5.4°C) and an average low-temperature of 9.7°F (-12.4°C).

What is the most humid month in Fort Atkinson?

January and February, with an average relative humidity of 89%, are most humid months in Fort Atkinson.

What is the driest month in Fort Atkinson?

The month with the least rainfall in Fort Atkinson, Iowa, is January when the rain falls for 4.5 days and typically collects 1.1" (28mm) of precipitation.

How many days does it rain in Fort Atkinson?

In Fort Atkinson, during the entire year, the rain falls for 149 days and collects up to 30.59" (777mm) of precipitation.

When does it snow in Fort Atkinson?

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

How many days does it snow in Fort Atkinson?

In Fort Atkinson, Iowa, during the entire year, snow falls for 60.9 days, and aggregates up to 24.37" (619mm) of snow.

What is the month with the least sunshine in Fort Atkinson?

With an average of 3.5h of sunshine, January has the least sunshine of the year in Fort Atkinson.

When is the lowest UV index in Fort Atkinson?

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.

When does it snow the most in Fort Atkinson?

The month with the most snowfall in Fort Atkinson is February when snow falls for 12.8 days and typically aggregates up to 5.98" (152mm) of snow.

What is the month with the highest UV index in Fort Atkinson?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Fort Atkinson, Iowa.

What is the wettest month in Fort Atkinson?

June is the month with the most rainfall. Rain falls for 20.3 days and accumulates 5.04" (128mm) of precipitation.

When it does not snow in Fort Atkinson?

In Fort Atkinson, Iowa, snow does not fall in June through September.

When are the longest days in Fort Atkinson?

With an average of 15.3h of daylight, June has the longest days of the year.

What is the warmest month in Fort Atkinson?

The warmest month is July, with an average high-temperature of 78.4°F (25.8°C) and an average low-temperature of 61.9°F (16.6°C).

What month has the most sunshine in Fort Atkinson?

With an average of 9.8h of sunshine, August has the most sunshine of the year.

What is the least humid month in Fort Atkinson?

With an average relative humidity of 76%, October is the least humid month in Fort Atkinson.

What is the month with the shortest days in Fort Atkinson?

The month with the shortest days in Fort Atkinson, Iowa, is December, with an average of 9h of daylight.

Average temperature
Fort Atkinson, IA

Average temperature - Fort Atkinson, IA

The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-5.4°C).

The month with the highest average low temperature is July (16.6°C).
The coldest month (with the lowest average low temperature) is January (-12.4°C).

[Resources]

Average pressure
Fort Atkinson, IA

Average pressure - Fort Atkinson, IA

The month with the highest atmospheric pressure is January (1020.4mbar).
The month with the lowest atmospheric pressure is June (1012.2mbar).

[Resources]

Average wind speed
Fort Atkinson, IA

Average wind speed - Fort Atkinson, IA

The windiest month (with the highest average wind speed) is April (16.7km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).

[Resources]

Average humidity
Fort Atkinson, IA

Average humidity - Fort Atkinson, IA

Months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is October (76%).

[Resources]

Average rainfall
Fort Atkinson, IA

Average rainfall - Fort Atkinson, IA

The wettest month (with the highest rainfall) is June (128mm).
The driest month (with the least rainfall) is January (28mm).

[Resources]

Average rainfall days
Fort Atkinson, IA

Average rainfall days - Fort Atkinson, IA

Months with the highest number of rainy days are May and June (20.3 days).
The month with the least rainy days is February (4.4 days).

[Resources]

Average snowfall
Fort Atkinson, IA

Average snowfall - Fort Atkinson, IA

The month with the highest snowfall is February (152mm).
Months with the least snowfall are June, July, August and September (0mm).

[Resources]

Average snowfall days
Fort Atkinson, IA

Average snowfall days - Fort Atkinson, IA

The month with the highest number of snowfall days is January (14.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight / Average sunshine
Fort Atkinson, IA

Average daylight / Average sunshine - Fort Atkinson, IA

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9h).

The month with the most sunshine is August (Average sunshine: 9.8h).
The month with the least sunshine is January (Average sunshine: 3.5h).

[Resources]

Average sunshine days
Fort Atkinson, IA

Average sunshine days - Fort Atkinson, IA

The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (7.1 days).

[Resources]

Average UV index
Fort Atkinson, IA

Average UV index - Fort Atkinson, IA

Months with the highest UV index are May, June, July and August (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 1).

[Resources]

Average visibility
Fort Atkinson, IA

Average visibility - Fort Atkinson, IA

Months with the highest visibility are March, April, May, June, August, September, October and November (9km).
Months with the lowest visibility are January, February, July and December (8km).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location