Cedar Rapids, IA Weather by Month and Climate Averages

How much rain does Cedar Rapids get?

Cedar Rapids gets 38.8 in of precipitation in an average year, spread over about 117 days with measurable rain. That is more rainy days than 76% of the US.

June is the wettest month, with 5.7 in. January is the driest, with 1.2 in. May has the most rainy days, about 13.

The longest dry spell in the last five years lasted 31 days, to October 21, 2024.

See where Cedar Rapids ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in Iowa.

Does it snow in Cedar Rapids?

Yes. Cedar Rapids gets about 34.3 in of snow in an average season, measured at the reporting station.

The snowiest winter on record is 2007–08, with 59.9 in.

The most recent measurable snow at the station fell on April 5, 2009.

See where Cedar Rapids ranks: snowiest cities in the US.

Cedar Rapids weather by month

Cedar Rapids weather in January

In January, Cedar Rapids averages a high of 30°F and a low of 14°F. It gets 1.2 in of precipitation over about 9 rainy days. The sun is out about 28% of daylight hours. The January record high is 68°F (1989) and the record low is -33°F (2009).

Cedar Rapids weather in February

In February, Cedar Rapids averages a high of 35°F and a low of 18°F. It gets 1.3 in of precipitation over about 8 rainy days. The sun is out about 46% of daylight hours. The February record high is 76°F (2017) and the record low is -28°F (1996).

Cedar Rapids weather in March

In March, Cedar Rapids averages a high of 49°F and a low of 28°F. It gets 2.1 in of precipitation over about 10 rainy days. The sun is out about 37% of daylight hours. The March record high is 89°F (2026) and the record low is -13°F (2014).

Cedar Rapids weather in April

In April, Cedar Rapids averages a high of 63°F and a low of 39°F. It gets 4.0 in of precipitation over about 11 rainy days. The sun is out about 44% of daylight hours. The April record high is 94°F (1980) and the record low is 3°F (1982). April is one of the most comfortable months to visit.

Cedar Rapids weather in May

In May, Cedar Rapids averages a high of 73°F and a low of 50°F. It gets 4.7 in of precipitation over about 13 rainy days. The sun is out about 40% of daylight hours. The May record high is 96°F (2018) and the record low is 25°F (2005). May is one of the most comfortable months to visit.

Cedar Rapids weather in June

In June, Cedar Rapids averages a high of 82°F and a low of 60°F. It gets 5.7 in of precipitation over about 12 rainy days. The sun is out about 52% of daylight hours. The June record high is 103°F (2012) and the record low is 38°F (1993).

Cedar Rapids weather in July

In July, Cedar Rapids averages a high of 85°F and a low of 64°F. It gets 4.5 in of precipitation over about 10 rainy days. The sun is out about 53% of daylight hours. The July record high is 105°F (2012) and the record low is 45°F (1972).

Cedar Rapids weather in August

In August, Cedar Rapids averages a high of 83°F and a low of 62°F. It gets 4.4 in of precipitation over about 10 rainy days. The sun is out about 59% of daylight hours. The August record high is 103°F (2023) and the record low is 41°F (1986).

Cedar Rapids weather in September

In September, Cedar Rapids averages a high of 77°F and a low of 54°F. It gets 4.0 in of precipitation over about 9 rainy days. The sun is out about 60% of daylight hours. The September record high is 100°F (2013) and the record low is 26°F (1984). September is one of the most comfortable months to visit.

Cedar Rapids weather in October

In October, Cedar Rapids averages a high of 64°F and a low of 42°F. It gets 3.0 in of precipitation over about 10 rainy days. The sun is out about 55% of daylight hours. The October record high is 94°F (1997) and the record low is 15°F (1988). October is one of the most comfortable months to visit.

Cedar Rapids weather in November

In November, Cedar Rapids averages a high of 48°F and a low of 30°F. It gets 2.2 in of precipitation over about 8 rainy days. The sun is out about 47% of daylight hours. The November record high is 80°F (1999) and the record low is -10°F (1977).

Cedar Rapids weather in December

In December, Cedar Rapids averages a high of 35°F and a low of 19°F. It gets 1.7 in of precipitation over about 9 rainy days. The sun is out about 38% of daylight hours. The December record high is 69°F (1998) and the record low is -21°F (1983).

Sunshine, humidity and wind in Cedar Rapids

September is the sunniest month in Cedar Rapids, with sunshine about 60% of daylight hours. January is the cloudiest, at 28%. Over the year the sun shines about 47% of daylight hours. Cedar Rapids is sunnier than 52% of the US.

Humidity peaks in January at 81% and is lowest in April at 58%.

Cedar Rapids has about 19 days a year above 90°F. Cedar Rapids is cooler than 62% of the US.

Thunderstorms occur on about 30 days a year.

See where Cedar Rapids ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.

First and last freeze in Cedar Rapids

The first fall freeze in Cedar Rapids typically comes around October 8, and the last spring freeze around April 28. That leaves a frost-free growing season of about 163 days.

Cedar Rapids weather records

The hottest temperature on record at the Cedar Rapids station is 105°F, on July 31, 1988. The coldest is -33°F, on January 16, 2009.

The wettest day on record brought 6.6 in of rain, on July 5, 1993.

42 all-time records have been set at the station since 1970.

The annual mean temperature has changed by +0.5°F per decade since 1970.

The best time to visit Cedar Rapids

The most comfortable time to visit is typically April to May and September to October, when daytime highs sit near 69°F.

Winter (December–February) is cold, with average highs around 33°F and lows near 17°F. Snow is possible.

Spring (March–May) is mild, with average highs around 62°F and lows near 39°F.

Summer (June–August) is hot, with average highs around 83°F and lows near 62°F. It can feel humid.

Autumn (September–November) is mild, with average highs around 63°F and lows near 42°F.

Cedar Rapids climate questions

How much rain does Cedar Rapids get?

Cedar Rapids gets 38.8 in of precipitation in an average year, over about 117 rainy days.

What is the wettest month in Cedar Rapids?

June is the wettest month in Cedar Rapids, with 5.7 in. January is the driest, with 1.2 in.

How many rainy days does Cedar Rapids have a year?

Cedar Rapids has about 117 days with measurable rain in an average year. May has the most, about 13.

Does it snow in Cedar Rapids?

Yes. Cedar Rapids gets about 34.3 in of snow in an average season. The snowiest winter on record is 2007–08, with 59.9 in.

What is the hottest month in Cedar Rapids?

July is the warmest month in Cedar Rapids, with an average high of 85°F.

What is the coldest month in Cedar Rapids?

January is the coldest month in Cedar Rapids, with an average low of 14°F.

What is the record high temperature in Cedar Rapids?

The record high at the Cedar Rapids station is 105°F, set on July 31, 1988. The record low is -33°F, on January 16, 2009.

What is the sunniest month in Cedar Rapids?

September is the sunniest month in Cedar Rapids, with sunshine about 60% of daylight hours. January is the cloudiest.

When is the first frost in Cedar Rapids?

The first fall freeze in Cedar Rapids typically comes around October 8. The last spring freeze is around April 28.

What is the best time to visit Cedar Rapids?

The most comfortable time to visit is typically April to May and September to October, when daytime highs sit near 69°F.