Bloomington climate

Bloomington Weather in December

NOAA 1991-2020 normals for Lancaster 4 Wsw, 12.6 km from Bloomington

Average highs run from 36°F on December 1 to 27°F on December 31, and lows from 21°F to 11°F. Normal precipitation for the month is 1.70 in over about 9 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 Bloomington, in °F, with the record for each date.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
31°F
Average low
16°F
Precipitation
1.70 in
Snowfall
8.7 in
Record high
70°FDec 16, 2021
Record low
-26°FDec 27, 1950
Chance of a freeze
100%
Daylight
9 h 15 min to 9 h 04 min
Cloud cover
66%
Humidity
88%
Dew point
19°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 136°F21°F62°F 1962-15°F 189329%13%
Dec 236°F21°F65°F 1982-12°F 191929%14%
Dec 336°F21°F63°F 1982-17°F 191929%14%
Dec 435°F20°F67°F 2012-12°F 189329%15%
Dec 535°F20°F63°F 2001-6°F 200529%15%
Dec 634°F19°F66°F 2001-10°F 197729%15%
Dec 734°F19°F58°F 1916-14°F 193629%16%
Dec 834°F19°F60°F 1946-12°F 191729%16%
Dec 933°F18°F61°F 1946-17°F 195829%16%
Dec 1033°F18°F58°F 1979-20°F 191929%16%
Dec 1132°F18°F57°F 1949-17°F 197629%16%
Dec 1232°F17°F58°F 1949-13°F 195829%17%
Dec 1332°F17°F50°F 1913-20°F 189329%17%
Dec 1431°F17°F58°F 2015-22°F 198529%17%
Dec 1531°F16°F58°F 2021-17°F 191729%17%
Dec 1631°F16°F70°F 2021-22°F 193229%17%
Dec 1730°F16°F56°F 1939-15°F 197229%17%
Dec 1830°F15°F55°F 1923-22°F 192229%17%
Dec 1930°F15°F58°F 2002-25°F 198329%18%
Dec 2030°F15°F55°F 1894-19°F 198329%18%
Dec 2129°F14°F52°F 1941-21°F 196329%18%
Dec 2229°F14°F56°F 1902-18°F 191629%18%
Dec 2329°F14°F55°F 1893-21°F 196329%18%
Dec 2428°F13°F54°F 2019-22°F 195129%18%
Dec 2528°F13°F55°F 1936-24°F 200029%18%
Dec 2628°F13°F58°F 2019-25°F 196229%18%
Dec 2728°F12°F50°F 1936-26°F 195029%18%
Dec 2827°F12°F61°F 1984-20°F 192429%18%
Dec 2927°F12°F59°F 1984-20°F 192529%18%
Dec 3027°F12°F59°F 1896-18°F 196329%18%
Dec 3127°F11°F58°F 1965-20°F 197629%18%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Bloomington, 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 7:15 AM, sunset 4:30 PM
December 31
sunrise 7:35 AM, sunset 4:39 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00474546 (Lancaster 4 Wsw), public domain. Records: NOAA GHCN-Daily, station USC00476827, 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.