Wapello climate

Wapello Weather in December

NOAA 1991-2020 normals for New Boston Dam 17, 10.7 km from Wapello

Average highs run from 42°F on December 1 to 32°F on December 31, and lows from 26°F to 18°F. Normal precipitation for the month is 1.77 in over about 8 wet days.

December day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Wapello, in °F, with the record for each date.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
37°F
Average low
22°F
Precipitation
1.77 in
Snowfall
8.6 in
Record high
75°FDec 16, 2021
Record low
-23°FDec 23, 1989
Chance of a freeze
100%
Daylight
9 h 26 min to 9 h 16 min
Cloud cover
67%
Humidity
85%
Dew point
23°F
Wind
11.0 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Dec 142°F26°F62°F 19624°F 198527%8%
Dec 242°F26°F65°F 1973-3°F 194227%8%
Dec 341°F26°F70°F 2012-7°F 194027%9%
Dec 441°F25°F72°F 1998-3°F 199127%9%
Dec 541°F25°F68°F 2001-5°F 200527%9%
Dec 640°F25°F65°F 1998-8°F 200527%10%
Dec 740°F25°F57°F 1947-12°F 197627%10%
Dec 839°F24°F65°F 1991-4°F 198327%10%
Dec 939°F24°F62°F 2024-12°F 195827%11%
Dec 1039°F24°F60°F 1979-9°F 197727%11%
Dec 1138°F23°F66°F 1949-15°F 197227%11%
Dec 1238°F23°F63°F 1991-9°F 198927%11%
Dec 1337°F23°F62°F 1975-11°F 200027%11%
Dec 1437°F22°F62°F 2015-12°F 198926%11%
Dec 1537°F22°F59°F 2021-16°F 198926%11%
Dec 1636°F22°F75°F 2021-13°F 198926%12%
Dec 1736°F21°F58°F 1939-9°F 194526%12%
Dec 1836°F21°F63°F 1939-15°F 198526%12%
Dec 1935°F21°F60°F 1988-20°F 198326%12%
Dec 2035°F21°F57°F 1967-13°F 198926%12%
Dec 2135°F20°F59°F 1941-21°F 196326%12%
Dec 2235°F20°F57°F 1957-18°F 196326%13%
Dec 2334°F20°F56°F 1965-23°F 198926%13%
Dec 2434°F19°F60°F 2015-19°F 198326%13%
Dec 2534°F19°F63°F 2021-18°F 200026%13%
Dec 2633°F19°F62°F 2019-15°F 196226%13%
Dec 2733°F19°F62°F 1946-10°F 193526%13%
Dec 2833°F18°F67°F 1984-11°F 196126%13%
Dec 2933°F18°F66°F 1984-4°F 196326%14%
Dec 3033°F18°F65°F 2022-9°F 198326%14%
Dec 3132°F18°F61°F 2004-13°F 197626%14%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Wapello, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 7:11 AM, sunset 4:37 PM
December 31
sunrise 7:30 AM, sunset 4:46 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00116080 (New Boston Dam 17), public domain. Records: NOAA GHCN-Daily, station USC00135837, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.