Brighton climate

Brighton Weather in December

NOAA 1991-2020 normals for Washington, 15.2 km from Brighton

Average highs run from 41°F on December 1 to 31°F on December 31, and lows from 22°F to 14°F. Normal precipitation for the month is 1.71 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 Brighton, in °F, with the record for each date.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
36°F
Average low
18°F
Precipitation
1.71 in
Snowfall
4.7 in
Record high
74°FDec 16, 2021
Record low
-25°FDec 28, 1924
Chance of a freeze
100%
Daylight
9 h 26 min to 9 h 15 min
Cloud cover
66%
Humidity
85%
Dew point
23°F
Wind
10.7 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 141°F22°F63°F 1970-7°F 189325%7%
Dec 241°F22°F68°F 1973-6°F 192925%7%
Dec 340°F21°F67°F 1970-8°F 192925%8%
Dec 440°F21°F71°F 1998-3°F 199125%8%
Dec 540°F21°F65°F 1975-6°F 200525%8%
Dec 639°F21°F67°F 1951-8°F 191725%8%
Dec 739°F20°F64°F 1916-13°F 200525%9%
Dec 838°F20°F66°F 1946-15°F 191725%9%
Dec 938°F20°F66°F 1918-14°F 195825%9%
Dec 1038°F19°F59°F 2020-20°F 191925%9%
Dec 1137°F19°F67°F 1949-11°F 191725%10%
Dec 1237°F19°F64°F 1991-13°F 200025%10%
Dec 1336°F19°F62°F 1975-19°F 190325%10%
Dec 1436°F18°F67°F 1908-9°F 191925%10%
Dec 1536°F18°F59°F 2006-16°F 198925%10%
Dec 1635°F18°F74°F 2021-16°F 193225%10%
Dec 1735°F18°F60°F 2006-9°F 193225%11%
Dec 1835°F17°F64°F 1939-18°F 198525%11%
Dec 1934°F17°F59°F 1988-24°F 198325%11%
Dec 2034°F17°F58°F 1894-12°F 200025%11%
Dec 2134°F17°F59°F 1967-20°F 198925%11%
Dec 2233°F16°F64°F 1933-18°F 198925%11%
Dec 2333°F16°F60°F 1933-23°F 198925%12%
Dec 2433°F16°F62°F 1893-18°F 198325%12%
Dec 2533°F16°F64°F 2021-19°F 200025%12%
Dec 2632°F15°F62°F 2019-19°F 191425%12%
Dec 2732°F15°F66°F 1946-14°F 192525%12%
Dec 2832°F15°F69°F 1984-25°F 192425%13%
Dec 2932°F15°F56°F 2002-17°F 191725%13%
Dec 3031°F14°F64°F 2022-13°F 190925%13%
Dec 3131°F14°F63°F 1965-14°F 196825%13%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Brighton, 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 7:13 AM, sunset 4:39 PM
December 31
sunrise 7:33 AM, sunset 4:48 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00138688 (Washington), public domain. Records: NOAA GHCN-Daily, station USC00138688, 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.