Climate and monthly weather forecast
Rathbun, IA

Share

Weather in January

January, the same as December, in Rathbun, Iowa, is a freezing cold winter month, with temperature in the range of an average high of 30.6°F (-0.8°C) and an average low of 16.5°F (-8.6°C). The coldest time of the year is January, with temperatures averaging a high of 30.6°F (-0.8°C) and a low of 16.5°F (-8.6°C). Weather in January »

Weather in February

February, the last month of the winter in Rathbun, is a wintry month, with an average temperature ranging between max 34°F (1.1°C) and min 20.1°F (-6.6°C). February's onset sees an average high-temperature of a wintry 34°F (1.1°C), exhibiting a slight fluctuation from the previous month. Weather in February »

Weather in March

March, the first month of the spring in Rathbun, is a chilly month, with an average temperature fluctuating between 33.4°F (0.8°C) and 48.7°F (9.3°C). March brings with it a considerable temperature increase, with average high-temperatures rising from February's wintry 34°F (1.1°C) to a frosty 48.7°F (9.3°C). Weather in March »

Weather in April

April is a refreshing spring month in Rathbun, Iowa, with an average temperature ranging between max 60.4°F (15.8°C) and min 42.8°F (6°C). The transition from March to April brings a temperature rise, with average high-temperatures increasing from a chilly 48.7°F (9.3°C) to a refreshing 60.4°F (15.8°C). Weather in April »

Weather in May

May, the last month of the spring in Rathbun, is a pleasant month, with an average temperature varying between 69.4°F (20.8°C) and 53.1°F (11.7°C). A shift in the average high-temperature is noticeable in May, changing from a moderate 60.4°F (15.8°C) in April to a pleasant 69.4°F (20.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Rathbun, Iowa, with an average temperature varying between 63.1°F (17.3°C) and 79.7°F (26.5°C). With the onset of June, Rathbun sees a temperature rise, with the average high-temperature moving from May's agreeable 69.4°F (20.8°C) to a moderately hot 79.7°F (26.5°C). Weather in June »

Weather in July

July, like June, in Rathbun, Iowa, is a moderately hot summer month, with an average temperature varying between 66°F (18.9°C) and 83.1°F (28.4°C). Rathbun's July weather, with an average high temperature of 83.1°F (28.4°C) and an average low temperature of 66°F (18.9°C), tends to be the warmest of the year. The heat index value for July is estimated at a tropical 91.4°F (33°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Rathbun, Iowa, with an average temperature varying between 63.5°F (17.5°C) and 82°F (27.8°C). August ushers in an average high-temperature of a still moderately hot 82°F (27.8°C), aligning closely with the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Rathbun, Iowa, with an average temperature varying between 56.5°F (13.6°C) and 76.1°F (24.5°C). September sees a slight reduction in average high-temperature, with a shift from 82°F (27.8°C) in August to a still warm 76.1°F (24.5°C). Weather in September »

Weather in October

October, like September, in Rathbun, Iowa, is another enjoyable autumn month, with an average temperature fluctuating between 61.7°F (16.5°C) and 44.6°F (7°C). October is marked by a significant decrease, with the average high-temperature retreating from a moderately hot 76.1°F (24.5°C) in September to an enjoyable 61.7°F (16.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Rathbun, is also a frosty month, with an average temperature fluctuating between 48.4°F (9.1°C) and 33.6°F (0.9°C). November weather is marked by a drop in the average high-temperature, falling from a comfortable 61.7°F (16.5°C) in October to a frosty 48.4°F (9.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Rathbun, Iowa, with an average temperature varying between 35.8°F (2.1°C) and 23.9°F (-4.5°C). The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a frosty 48.4°F (9.1°C) in November to an icy 35.8°F (2.1°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Rathbun?

In Rathbun, January is the month with the lowest recorded average temperatures, measuring a high of 30.6°F (-0.8°C) and a low of 16.5°F (-8.6°C).

What is the driest month in Rathbun?

January is the month with the least rainfall in Rathbun, Iowa. Rain falls for 5 days and accumulates 1.02" (26mm) of precipitation.

How many days does it rain in Rathbun?

In Rathbun, during the entire year, the rain falls for 143.2 days and collects up to 27.48" (698mm) of precipitation.

When does it snow in Rathbun?

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

What is the snowiest month in Rathbun?

The month with the most snowfall in Rathbun, Iowa, is January, when snow falls for 9.4 days and typically aggregates up to 4.33" (110mm) of snow.

How much does it snow in Rathbun?

In Rathbun, Iowa, during the entire year, snow falls for 33.2 days and aggregates up to 15.31" (389mm) of snow.

What is the month with the least sunshine in Rathbun?

January has the least sunshine of the year in Rathbun, Iowa, with an average of 4.3h of sunshine.

When is the lowest UV index in Rathbun?

The month with the lowest UV index in Rathbun is January, with an average maximum UV index of 1.

When is Daylight Saving Time (DST) in Rathbun?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Rathbun, 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 most humid month in Rathbun?

June is the most humid month in Rathbun, with an average relative humidity of 83%.

What is the rainiest month in Rathbun?

The month with the most rainfall in Rathbun, Iowa, is June, when the rain falls for 18.1 days and typically aggregates up to 3.98" (101mm) of precipitation.

When it does not snow in Rathbun?

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

When are the longest days in Rathbun?

With an average of 15h and 6min of daylight, June has the longest days of the year.

When is the highest UV index in Rathbun?

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

What month is the hottest in Rathbun?

July stands out as Rathbun's warmest month, with an average high-temperature of 83.1°F (28.4°C) and a low-temperature of 66°F (18.9°C).

What month has the most sunshine in Rathbun?

The month with the most sunshine in Rathbun is July, with an average of 10.4h of sunshine.

What is the least humid month in Rathbun?

The least humid month is October, with an average relative humidity of 72%.

What is the month with the shortest days in Rathbun?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Rathbun, Iowa.

Average temperature
Rathbun, IA

Average temperature - Rathbun, IA

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (30.6°F).

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure
Rathbun, IA

Average pressure - Rathbun, IA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed
Rathbun, IA

Average wind speed - Rathbun, IA

The windiest months (with the highest average wind speed) are January, February and March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity
Rathbun, IA

Average humidity - Rathbun, IA

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).

Average rainfall
Rathbun, IA

Average rainfall - Rathbun, IA

The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (1.02").

Average rainfall days
Rathbun, IA

Average rainfall days - Rathbun, IA

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5 days).

Average snowfall
Rathbun, IA

Average snowfall - Rathbun, IA

The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Rathbun, IA

Average snowfall days - Rathbun, IA

The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Rathbun, IA

Average daylight / Average sunshine - Rathbun, IA

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

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 18min).

Average sunshine days
Rathbun, IA

Average sunshine days - Rathbun, IA

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (8.8 days).

Average visibility
Rathbun, IA

Average visibility - Rathbun, 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).

Rathbun, Iowa, USA

Weather forecast for your location

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