Danbury climate

Danbury Weather in January

NOAA 1991-2020 normals for Grafton, 8.4 km from Danbury

Average highs run from 30°F on January 1 to 29°F on January 31, and lows from 10°F to 5°F. Normal precipitation for the month is 2.93 in over about 12 wet days.

January day by day

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

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

January at a glance

Average high
29°F
Average low
7°F
Precipitation
2.93 in
Snowfall
18.4 in
Record high
64°FJan 23, 1957
Record low
-35°FJan 21, 1994
Chance of a freeze
100%
Daylight
9 h 01 min to 9 h 53 min
Cloud cover
66%
Humidity
92%
Dew point
15°F
Wind
6.3 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
Jan 130°F10°F56°F 1966-13°F 197739%19%
Jan 230°F10°F53°F 1966-15°F 195639%19%
Jan 330°F10°F50°F 1979-15°F 198139%19%
Jan 430°F10°F52°F 2000-20°F 198140%19%
Jan 530°F10°F45°F 1990-18°F 198140%19%
Jan 629°F9°F54°F 1993-19°F 195740%19%
Jan 729°F9°F56°F 2007-19°F 199640%19%
Jan 829°F9°F44°F 2007-15°F 199640%20%
Jan 929°F9°F47°F 1956-18°F 196840%20%
Jan 1029°F8°F50°F 1978-18°F 196840%20%
Jan 1129°F8°F48°F 1963-23°F 197639%20%
Jan 1229°F8°F53°F 1980-23°F 197639%20%
Jan 1329°F8°F45°F 1986-18°F 198139%20%
Jan 1429°F7°F54°F 2005-34°F 195739%20%
Jan 1529°F7°F54°F 2005-33°F 195738%20%
Jan 1629°F7°F55°F 1995-22°F 198838%20%
Jan 1729°F7°F55°F 1995-19°F 197238%20%
Jan 1829°F7°F50°F 1973-32°F 195738%20%
Jan 1929°F6°F54°F 1990-31°F 195737%20%
Jan 2029°F6°F55°F 1996-34°F 199437%20%
Jan 2129°F6°F42°F 1954-35°F 199437%20%
Jan 2229°F6°F54°F 2006-28°F 199436%20%
Jan 2329°F6°F64°F 1957-23°F 196136%20%
Jan 2429°F6°F52°F 1957-23°F 196136%20%
Jan 2529°F5°F54°F 1967-20°F 196335%20%
Jan 2629°F5°F44°F 1964-20°F 199135%20%
Jan 2729°F5°F49°F 1978-28°F 199435%20%
Jan 2829°F5°F57°F 1974-30°F 199435%20%
Jan 2929°F5°F49°F 2006-16°F 200334%20%
Jan 3029°F5°F47°F 2002-18°F 197734%20%
Jan 3129°F5°F45°F 1974-18°F 197734%20%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Danbury, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EST).

January 1
sunrise 7:21 AM, sunset 4:22 PM
January 31
sunrise 7:05 AM, sunset 4:58 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00273530 (Grafton), public domain. Records: NOAA GHCN-Daily, station USC00276945, 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.