Davenport, IA Weather by Month and Climate Averages

How much rain does Davenport get?

Davenport gets 38.8 in of precipitation in an average year, spread over about 123 days with measurable rain. That is more rainy days than 80% of the US.

June is the wettest month, with 5.2 in. January is the driest, with 1.5 in. May has the most rainy days, about 13.

The longest dry spell in the last five years lasted 26 days, to September 9, 2023.

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

Does it snow in Davenport?

The snowiest winter on record is 1974–75, with 69.6 in.

The most recent measurable snow at the station fell on March 16, 2026.

See where Davenport ranks: snowiest cities in the US.

Davenport weather by month

Davenport weather in January

In January, Davenport averages a high of 32°F and a low of 16°F. It gets 1.5 in of precipitation over about 11 rainy days. The sun is out about 28% of daylight hours. The January record high is 69°F (1989) and the record low is -32°F (2019).

Davenport weather in February

In February, Davenport averages a high of 37°F and a low of 20°F. It gets 1.8 in of precipitation over about 9 rainy days. The sun is out about 47% of daylight hours. The February record high is 76°F (2024) and the record low is -22°F (1996).

Davenport weather in March

In March, Davenport averages a high of 49°F and a low of 31°F. It gets 2.6 in of precipitation over about 10 rainy days. The sun is out about 36% of daylight hours. The March record high is 88°F (1986) and the record low is -8°F (2014).

Davenport weather in April

In April, Davenport averages a high of 62°F and a low of 42°F. It gets 3.8 in of precipitation over about 12 rainy days. The sun is out about 44% of daylight hours. The April record high is 93°F (1986) and the record low is 17°F (2018).

Davenport weather in May

In May, Davenport averages a high of 73°F and a low of 53°F. It gets 5.1 in of precipitation over about 13 rainy days. The sun is out about 39% of daylight hours. The May record high is 96°F (2022) and the record low is 29°F (2026). May is one of the most comfortable months to visit.

Davenport weather in June

In June, Davenport averages a high of 82°F and a low of 63°F. It gets 5.2 in of precipitation over about 12 rainy days. The sun is out about 53% of daylight hours. The June record high is 100°F (1988) and the record low is 41°F (2012).

Davenport weather in July

In July, Davenport averages a high of 84°F and a low of 67°F. It gets 4.2 in of precipitation over about 9 rainy days. The sun is out about 52% of daylight hours. The July record high is 103°F (2006) and the record low is 52°F (2016).

Davenport weather in August

In August, Davenport averages a high of 83°F and a low of 65°F. It gets 4.0 in of precipitation over about 10 rainy days. The sun is out about 58% of daylight hours. The August record high is 100°F (1988) and the record low is 44°F (1992).

Davenport weather in September

In September, Davenport averages a high of 77°F and a low of 58°F. It gets 3.3 in of precipitation over about 8 rainy days. The sun is out about 58% of daylight hours. The September record high is 98°F (1985) and the record low is 35°F (1991). September is one of the most comfortable months to visit.

Davenport weather in October

In October, Davenport averages a high of 64°F and a low of 45°F. It gets 2.9 in of precipitation over about 10 rainy days. The sun is out about 55% of daylight hours. The October record high is 95°F (1997) and the record low is 22°F (1988). October is one of the most comfortable months to visit.

Davenport weather in November

In November, Davenport averages a high of 49°F and a low of 33°F. It gets 2.3 in of precipitation over about 10 rainy days. The sun is out about 48% of daylight hours. The November record high is 80°F (2000) and the record low is 7°F (2014).

Davenport weather in December

In December, Davenport averages a high of 37°F and a low of 22°F. It gets 2.0 in of precipitation over about 10 rainy days. The sun is out about 36% of daylight hours. The December record high is 72°F (1998) and the record low is -18°F (1989).

Sunshine, humidity and wind in Davenport

August is the sunniest month in Davenport, with sunshine about 58% of daylight hours. January is the cloudiest, at 28%. Over the year the sun shines about 46% of daylight hours. Davenport is sunnier than 50% of the US.

Humidity peaks in January at 80% and is lowest in April at 60%.

Davenport has about 19 days a year above 90°F. Davenport is cooler than 63% of the US.

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

First and last freeze in Davenport

The first fall freeze in Davenport typically comes around October 29, and the last spring freeze around April 12. That leaves a frost-free growing season of about 200 days.

Davenport weather records

The hottest temperature on record at the Davenport station is 103°F, on July 17, 2006. The coldest is -32°F, on January 31, 2019.

The wettest day on record brought 6.6 in of rain, on June 17, 1990.

40 all-time records have been set at the station since 1985.

The best time to visit Davenport

The most comfortable time to visit is typically May and September to October, when daytime highs sit near 71°F.

Winter (December–February) is cold, with average highs around 35°F and lows near 20°F. Snow is possible.

Spring (March–May) is mild, with average highs around 61°F and lows near 42°F.

Summer (June–August) is hot, with average highs around 83°F and lows near 65°F. It can feel humid.

Autumn (September–November) is mild, with average highs around 63°F and lows near 45°F.

Davenport climate questions

How much rain does Davenport get?

Davenport gets 38.8 in of precipitation in an average year, over about 123 rainy days.

What is the wettest month in Davenport?

June is the wettest month in Davenport, with 5.2 in. January is the driest, with 1.5 in.

How many rainy days does Davenport have a year?

Davenport has about 123 days with measurable rain in an average year. May has the most, about 13.

What is the hottest month in Davenport?

July is the warmest month in Davenport, with an average high of 84°F.

What is the coldest month in Davenport?

January is the coldest month in Davenport, with an average low of 16°F.

What is the record high temperature in Davenport?

The record high at the Davenport station is 103°F, set on July 17, 2006. The record low is -32°F, on January 31, 2019.

What is the sunniest month in Davenport?

August is the sunniest month in Davenport, with sunshine about 58% of daylight hours. January is the cloudiest.

When is the first frost in Davenport?

The first fall freeze in Davenport typically comes around October 29. The last spring freeze is around April 12.

What is the best time to visit Davenport?

The most comfortable time to visit is typically May and September to October, when daytime highs sit near 71°F.