Climate and monthly weather forecast
Coulter, IA

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Weather in January

January, the same as December, in Coulter, Iowa, is another subzero cold winter month, with temperature in the range of an average low of 10.9°F (-11.7°C) and an average high of 23.4°F (-4.8°C). In Coulter, the lowest average temperatures are observed in January, with a high of 23.4°F (-4.8°C) and a low of 10.9°F (-11.7°C). Weather in January »

Weather in February

February, the last month of the winter in Coulter, is another freezing cold month, with an average temperature fluctuating between 27.3°F (-2.6°C) and 14.5°F (-9.7°C). The unfolding of February shows an average high-temperature of a still subzero cold 27.3°F (-2.6°C), indicating a slight variance from January's 23.4°F (-4.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Coulter, Iowa, with an average temperature varying between 42.8°F (6°C) and 28.9°F (-1.7°C). March is marked by a distinct increase in the average high-temperature, climbing from a subzero cold 27.3°F (-2.6°C) in February to a frosty 42.8°F (6°C). Weather in March »

Weather in April

April in Coulter, Iowa, is a moderate spring month, with temperature in the range of an average low of 39.9°F (4.4°C) and an average high of 55.9°F (13.3°C). April indicates a change in the average high-temperature, moving up from a frosty 42.8°F (6°C) in March to a mild 55.9°F (13.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Coulter, Iowa, with an average temperature varying between 51.6°F (10.9°C) and 67.8°F (19.9°C). May's arrival sees a rise in the average high-temperature, jumping from April's moderate 55.9°F (13.3°C) to a still refreshing 67.8°F (19.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Coulter, Iowa, with an average temperature ranging between max 77.2°F (25.1°C) and min 61.2°F (16.2°C). The beginning of June marks a shift in the average high-temperature, moving from May's enjoyable 67.8°F (19.9°C) to a warm 77.2°F (25.1°C). Weather in June »

Weather in July

July, like June, in Coulter, Iowa, is a moderately hot summer month, with an average temperature fluctuating between 79.7°F (26.5°C) and 63.1°F (17.3°C). With average high temperatures of 79.7°F (26.5°C) and lows of 63.1°F (17.3°C), July is the warmest month. Weather in July »

Weather in August

August, the last month of the summer in Coulter, is also a moderately hot month, with an average temperature varying between 60.4°F (15.8°C) and 78.3°F (25.7°C). Coulter's entry into August measures an average high-temperature of a still warm 78.3°F (25.7°C), closely parallel to the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Coulter, Iowa, with an average temperature fluctuating between 54.3°F (12.4°C) and 72.5°F (22.5°C). September brings a slight decrease in temperature, down from a moderately hot 78.3°F (25.7°C) in August to a pleasant 72.5°F (22.5°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Coulter, Iowa, with temperature in the range of an average low of 43.2°F (6.2°C) and an average high of 57.9°F (14.4°C). Coulter's weather experiences a significant temperature drop with the arrival of October, falling from a pleasant 72.5°F (22.5°C) in September to a refreshing 57.9°F (14.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Coulter, is another chilly month, with an average temperature ranging between max 43.5°F (6.4°C) and min 31.1°F (-0.5°C). November witnesses a clear temperature decrease, falling from a mild 57.9°F (14.4°C) in October to a frosty 43.5°F (6.4°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Coulter, Iowa, with an average temperature ranging between min 19°F (-7.2°C) and max 29.7°F (-1.3°C). Transition into December marks a drop in the average high-temperature, moving from a chilly 43.5°F (6.4°C) in November to a subzero cold 29.7°F (-1.3°C). Weather in December »
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

The lowest temperatures are recorded in January, with averages reaching a high of 23.4°F (-4.8°C) and a low of 10.9°F (-11.7°C).

What is the most humid month?

The most humid month is January, with an average relative humidity of 88%.

What is the driest month?

January is the month with the least rainfall in Coulter. Rain falls for 4.8 days and accumulates 1.1" (28mm) of precipitation.

How many days does it rain?

In Coulter, during the entire year, the rain falls for 146.2 days and collects up to 29.69" (754mm) of precipitation.

When does it snow?

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

How many days does it snow in Coulter?

In Coulter, during the entire year, snow falls for 56 days and aggregates up to 24.45" (621mm) of snow.

What is the month with the least sunshine?

January has the least sunshine of the year in Coulter, with an average of 3.8h of sunshine.

What is the month with the lowest UV index?

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

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 12.4 days and typically aggregates up to 6.42" (163mm) 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 are the months with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the wettest month?

The month with the most rainfall is June, when the rain falls for 20.2 days and typically aggregates up to 4.69" (119mm) of precipitation.

When it does not snow?

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

When are the longest days?

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

What is the hottest time of year?

Coulter's temperature records reveal July as the warmest month, marked by average highs of 79.7°F (26.5°C) and lows of 63.1°F (17.3°C).

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10h of sunshine.

What is the least humid month?

With an average relative humidity of 71%, October is the least humid month.

What is the month with the shortest days?

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

Average temperature
Coulter, IA

Average temperature - Coulter, IA

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (23.4°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).

Average pressure
Coulter, IA

Average pressure - Coulter, IA

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed
Coulter, IA

Average wind speed - Coulter, IA

The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).

Average humidity
Coulter, IA

Average humidity - Coulter, IA

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Coulter, IA

Average rainfall - Coulter, IA

The wettest month (with the highest rainfall) is June (4.69").
The driest month (with the least rainfall) is January (1.1").

Average rainfall days
Coulter, IA

Average rainfall days - Coulter, IA

The month with the highest number of rainy days is June (20.2 days).
The month with the least rainy days is February (4 days).

Average snowfall
Coulter, IA

Average snowfall - Coulter, IA

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Coulter, IA

Average snowfall days - Coulter, IA

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Coulter, IA

Average daylight / Average sunshine - Coulter, 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 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days
Coulter, IA

Average sunshine days - Coulter, IA

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (7.8 days).

Average visibility
Coulter, IA

Average visibility - Coulter, IA

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

Coulter, Iowa, USA

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