Iowa City
Iowa, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Iowa City, IA

A view in the fall of golden and brown trees in a scenic, neat lawn near the mighty grandeur of the Old Capitol building, Iowa City
A view in the fall of golden and brown trees in a scenic, neat lawn near the mighty grandeur of the Old Capitol building, Iowa City
January, the same as December, in Iowa City, Iowa, is another subzero cold winter month, with average temperature ranging between min 15.3°F (-9.3°C) and max 27.3°F (-2.6°C). January is the coldest month, with an average high-temperature of 27.3°F (-2.6°C) and an average low-temperature of 15.3°F (-9.3°C). Weather in January »

The last month of the winter, February, is a wintry month in Iowa City, Iowa, with temperature in the range of an average low of 19°F (-7.2°C) and an average high of 32°F (0°C). In Iowa City, Iowa, the average high-temperature is almost the same as in January - a wintry 32°F (0°C). Weather in February »

March, the first month of the spring, in Iowa City, is a frosty month, with temperature in the range of an average low of 31.6°F (-0.2°C) and an average high of 46.6°F (8.1°C). In Iowa City, the average high-temperature soars, from a wintry 32°F (0°C) in February, to a chilly 46.6°F (8.1°C). Weather in March »

April in Iowa City, Iowa, is a moderate spring month, with average temperature fluctuating between 42.3°F (5.7°C) and 58.6°F (14.8°C). In April, the average high-temperature increases, from a chilly 46.6°F (8.1°C) in March, to a mild 58.6°F (14.8°C). Weather in April »

The last month of the spring, May, is an agreeable month in Iowa City, Iowa, with temperature in the range of an average high of 69.8°F (21°C) and an average low of 53.2°F (11.8°C). In May, the average high-temperature rises, from a mild 58.6°F (14.8°C) in April, to an agreeable 69.8°F (21°C). Weather in May »

June, the first month of the summer, in Iowa City, is a warm month, with temperature in the range of an average low of 62.1°F (16.7°C) and an average high of 79.2°F (26.2°C). In Iowa City, the average high-temperature increases, from a pleasant 69.8°F (21°C) in May, to a warm 79.2°F (26.2°C). Weather in June »

July, like June, in Iowa City, Iowa, is a moderately hot summer month, with average temperature varying between 64.6°F (18.1°C) and 81.5°F (27.5°C). The warmest month is July, with an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 64.6°F (18.1°C). The average heat index in July is evaluated at a tropical 88.3°F (31.3°C). Weather in July »

The last month of the summer, August, is another warm month in Iowa City, Iowa, with average temperature ranging between max 80.6°F (27°C) and min 62.2°F (16.8°C). In Iowa City, Iowa, the average high-temperature is relatively the same as in July - a still warm 80.6°F (27°C). Weather in August »

September, the first month of the autumn, in Iowa City, is still a warm month, with average temperature varying between 55.8°F (13.2°C) and 75.2°F (24°C). In Iowa City, the average high-temperature in September slightly decreases, from a warm 80.6°F (27°C) in August, to a still moderately hot 75.2°F (24°C). Weather in September »

October, the same as September, in Iowa City, Iowa, is a moderate autumn month, with average temperature varying between 60.4°F (15.8°C) and 45°F (7.2°C). In Iowa City, the average high-temperature declines considerably, from a moderately hot 75.2°F (24°C) in September, to a mild 60.4°F (15.8°C). Weather in October »

The last month of the autumn, November, is also a frosty month in Iowa City, Iowa, with temperature in the range of an average low of 32.5°F (0.3°C) and an average high of 46.4°F (8°C). In Iowa City, the average high-temperature in November drops, from a moderate 60.4°F (15.8°C) in October, to a chilly 46.4°F (8°C). Weather in November »

December, the first month of the winter, in Iowa City, is also a wintry month, with temperature in the range of an average low of 22.8°F (-5.1°C) and an average high of 34°F (1.1°C). In Iowa City, the average high-temperature drops, from a frosty 46.4°F (8°C) in November, to a wintry 34°F (1.1°C). Weather in December »

What is the coldest month in Iowa City?

January is the coldest month in Iowa City, Iowa, with an average high-temperature of 27.3°F (-2.6°C) and an average low-temperature of 15.3°F (-9.3°C).

What is the most humid month in Iowa City?

January and July, with an average relative humidity of 83%, are most humid months.

How much does it rain in Iowa City?

In Iowa City, during the entire year, the rain falls for 140.4 days and collects up to 29.57" (751mm) of precipitation.

What is the driest month in Iowa City?

Months with the least rainfall in Iowa City are January and February Rain falls for 5.7 days and accumulates 1.34" (34mm) of rain.

When does it snow in Iowa City?

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

How many days does it snow in Iowa City?

Throughout the year, there are 37.7 snowfall days, and 16.42" (417mm) of snow is accumulated.

What is the snowiest month in Iowa City?

January is the month with the most snowfall in Iowa City, Iowa. Snow falls for 10.9 days and accumulates 5.28" (134mm) of snow.

What is the month with the least sunshine in Iowa City?

The month with the least sunshine in Iowa City, Iowa, is January, with an average of 4.2h of sunshine.

What is the month with the lowest UV index in Iowa City?

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

What is the wettest month in Iowa City?

May is the month with the most rainfall. Rain falls for 18.4 days and accumulates 4.69" (119mm) of precipitation.

When it does not snow in Iowa City?

In Iowa City snow does not fall in May through September.

When are the longest days in Iowa City?

With an average of 15.2h of daylight, June has the longest days of the year in Iowa City, Iowa.

What are the months with the highest UV index in Iowa City?

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

What is the warmest month in Iowa City?

With an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 64.6°F (18.1°C), July is the warmest month.

What month has the most sunshine in Iowa City?

With an average of 10h of sunshine, July has the most sunshine of the year in Iowa City, Iowa.

What is the least humid month in Iowa City?

October is the least humid month in Iowa City, with an average relative humidity of 72%.

What is the month with the shortest days in Iowa City?

The month with the shortest days in Iowa City is December, with an average of 9.2h of daylight.
Average temperature - Iowa City, IA
Average humidity - Iowa City, IA
Average rainfall - Iowa City, IA

The wettest month (with the highest rainfall) is May (4.69").
Driest months (with the lowest rainfall) are January and February (1.34").

Average rainfall days - Iowa City, IA

The month with the highest number of rainy days is May (18.4 days).
The month with the lowest number of rainy days is February (5 days).

Average snowfall - Iowa City, IA
Average snowfall days - Iowa City, IA

The month with the highest number of snowfall days is January (10.9 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine - Iowa City, IA