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Fort Madison, IA weather and climate

Lee County, IA · population 10,221 · about 522 ft elevation

Everything below is a 30 year average for 1991-2020, computed from daily climate history at Fort Madison's own coordinates.

The year at a glance

Sunny days
197
clear or partly cloudy, per year
Precipitation
38 in
per year
Wet days
116
rain or snow per year
Snowfall
18 in
per year
Hot days
19
above 90 °F
Freezing nights
111
at or below 32 °F
Humidity
71%
average relative
Average temperature
52 °F
year round

Monthly temperatures

Average daily high and low for each month, in °F.

Daily highDaily low
20406080JanMarMayJulSepNovDaily high, Jan: 33 °FDaily high, Feb: 38 °FDaily high, Mar: 50 °FDaily high, Apr: 62 °FDaily high, May: 72 °FDaily high, Jun: 82 °FDaily high, Jul: 85 °FDaily high, Aug: 84 °FDaily high, Sep: 77 °FDaily high, Oct: 64 °FDaily high, Nov: 50 °FDaily high, Dec: 38 °FDaily low, Jan: 17 °FDaily low, Feb: 21 °FDaily low, Mar: 32 °FDaily low, Apr: 42 °FDaily low, May: 54 °FDaily low, Jun: 63 °FDaily low, Jul: 67 °FDaily low, Aug: 66 °FDaily low, Sep: 57 °FDaily low, Oct: 45 °FDaily low, Nov: 33 °FDaily low, Dec: 23 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Daily high333850627282858477645038
Daily low172132425463676657453323

Monthly precipitation

Total rain plus melted snow for each month, in inches.

0.02.04.0JanMarMayJulSepNovFort Madison, Jan: 1.8 inFort Madison, Feb: 2.1 inFort Madison, Mar: 2.8 inFort Madison, Apr: 4.4 inFort Madison, May: 4.6 inFort Madison, Jun: 4.5 inFort Madison, Jul: 3.2 inFort Madison, Aug: 3.3 inFort Madison, Sep: 3.4 inFort Madison, Oct: 2.7 inFort Madison, Nov: 2.6 inFort Madison, Dec: 2.0 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Fort Madison1.82.12.84.44.64.53.23.33.42.72.62.0

Monthly sunny days

Days each month with clear or partly cloudy skies.

01020JanMarMayJulSepNovFort Madison, Jan: 13 daysFort Madison, Feb: 12 daysFort Madison, Mar: 14 daysFort Madison, Apr: 14 daysFort Madison, May: 15 daysFort Madison, Jun: 17 daysFort Madison, Jul: 21 daysFort Madison, Aug: 21 daysFort Madison, Sep: 21 daysFort Madison, Oct: 19 daysFort Madison, Nov: 16 daysFort Madison, Dec: 14 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Fort Madison131214141517212121191614

Compare Fort Madison with another city

Nearby cities and popular picks. Any two cities can be compared from the home page.

See weather for every covered Iowa city

About this data

Figures are 30 year averages for 1991-2020. Wet days count days with measurable precipitation, calibrated against the wet day counts in NOAA's published climate normals. Sunny days count clear plus partly cloudy days, defined as average cloud cover of 63 percent or less and calibrated against NOAA's published sky cover tables. Snowfall figures are model estimates anchored to NOAA station measurements near each city.

Weather data by Open-Meteo.com (CC BY 4.0). Contains modified Copernicus Climate Change Service information (ERA5, ERA5-Land).