Davenport climate — normals and trends
Davenport (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 10.0 °C and it receives 924 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (23.8 °C on average) and the coldest is January (-5.8 °C). Rainfall peaks in May.
Davenport averages 119 frost days, 29 hot days (≥ 30 °C) and 110 rainy days per year.
Davenport has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 130 to 108 per year over the period.
The hottest day of the period reached 38.8 °C (on 7 July 2012) and the coldest -34.3 °C (on 3 February 1996).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
DavenportIowa
- coords
- 41.52°, -90.58°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.0°C
Average daily high
14.8°C
Average daily low
5.4°C
Annual rainfall
924mm
Sunshine / day
8.9h
Mean relative humidity
71%
Average peak wind
19.1km/h
Seasonal range
29.6°C
Frost days (< 0 °C)
119 d/yr
Hot days (≥ 30 °C)
29 d/yr
Rainy days (≥ 1 mm)
110 d/yr
Annual snowfall
66.2 cm
Average feels-like high
12.9 °C
Average feels-like low
2.5 °C
Average peak gust
38.2 km/h
Tropical nights (≥ 20 °C)
33 d/yr
Solar radiation
15.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.33 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
38.8 °C
7 July 2012
Coldest day
-34.3 °C
3 February 1996
Wettest day
94 mm
13 September 1961
Windiest day
53.4 km/h
6 April 1997
Strongest gust
106.9 km/h
15 December 2021
Hottest feels-like
44.2 °C
19 July 2011
Coldest feels-like
-39.6 °C
3 February 1996
Snowiest day
23.6 cm
15 December 1987
Sunniest day
14.4 h
20 June 2022
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -1.1 °C | +0.7 °C | 39 mm | -6 mm |
| Feb | 0.9 °C | -0.1 °C | 17 mm | -26 mm |
| Mar | 13.3 °C | +5.5 °C | 110 mm | +34 mm |
| Apr | 16.9 °C | +1.5 °C | 104 mm | +1 mm |
| May | 22.3 °C | +0.8 °C | 86 mm | -23 mm |
| Jun | 28.8 °C | +2.1 °C | 132 mm | +24 mm |
| Jul | 29.7 °C | +1.2 °C | 140 mm | +51 mm |
| Aug | 27.4 °C | -0.2 °C | 76 mm | -10 mm |
| Sep | 27.1 °C | +3.4 °C | 22 mm | -62 mm |
| Oct | 20.6 °C | +3.4 °C | 36 mm | -36 mm |
| Nov | 10.2 °C | +1.8 °C | 52 mm | -8 mm |
| Dec | 0.8 °C | -0.4 °C | 48 mm | -3 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Davenport?
Davenport has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 10.0 °C and it receives 924 mm of precipitation per year.
What is the hottest day ever recorded in Davenport?
The hottest day measured in Davenport between 1940 and 2025 was 7 July 2012, reaching 38.8 °C.
What is the coldest day in Davenport?
The coldest day measured in Davenport between 1940 and 2025 was 3 February 1996, at -34.3 °C.
Does it snow in Davenport?
Yes. Davenport gets on average 66.2 cm of snow per year and has around 119 frost days.
Has the climate of Davenport warmed?
Yes: Davenport warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Davenport?
The wettest day measured in Davenport between 1940 and 2025 was 13 September 1961, with 94 mm of rain in 24 hours.
What was the windiest day in Davenport?
The windiest day measured in Davenport between 1940 and 2025 was 6 April 1997, with winds reaching 53.4 km/h.
What is the warmest month in Davenport?
The warmest month in Davenport is July (23.8 °C on average); the coldest is January (-5.8 °C).
How much does it rain in Davenport?
Davenport receives on average 924 mm of precipitation per year, spread over about 110 rainy days.
Is it sunny in Davenport?
Davenport gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
What is the biggest single-day snowfall in Davenport?
The heaviest 24-hour snowfall measured in Davenport between 1940 and 2025 was 15 December 1987, with 23.6 cm.
Are there tropical nights in Davenport?
Yes: Davenport has on average 33 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Davenport?
In Davenport, between 1940 and 2025, the highest apparent temperature reached 44.2 °C on 19 July 2011, and the lowest was -39.6 °C on 3 February 1996.
Compare Davenport with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Davenport