Norwalk climate

Norwalk Weather in January

NOAA 1991-2020 normals for Stamford 5 N, 11.7 km from Norwalk

Average highs run from 39°F on January 1 to 39°F on January 31, and lows from 24°F to 21°F. Normal precipitation for the month is 4.26 in over about 11 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 Norwalk, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
38°F
Average low
22°F
Precipitation
4.26 in
Snowfall
9.1 in
Record high
69°FJan 12, 2020
Record low
-7°FJan 22, 1984
Chance of a freeze
100%
Daylight
9 h 17 min to 10 h 04 min
Cloud cover
65%
Humidity
87%
Dew point
24°F
Wind
8.7 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
Jan 139°F24°F62°F 19662°F 201837%13%
Jan 239°F24°F53°F 19722°F 196837%13%
Jan 339°F24°F60°F 20005°F 201437%13%
Jan 439°F24°F59°F 1998-1°F 198137%13%
Jan 538°F24°F60°F 19930°F 198137%13%
Jan 638°F23°F68°F 20072°F 199637%14%
Jan 738°F23°F55°F 2007-2°F 201836%14%
Jan 838°F23°F57°F 19491°F 196836%14%
Jan 938°F23°F65°F 2008-3°F 196836%14%
Jan 1038°F23°F60°F 2016-2°F 200436%15%
Jan 1138°F23°F59°F 20202°F 196836%15%
Jan 1238°F22°F69°F 2020-3°F 198136%15%
Jan 1338°F22°F56°F 19953°F 198136%15%
Jan 1438°F22°F60°F 19501°F 200436%15%
Jan 1538°F22°F61°F 1995-5°F 195735%15%
Jan 1638°F22°F56°F 19950°F 199435%15%
Jan 1738°F22°F55°F 1949-3°F 198235%15%
Jan 1838°F22°F60°F 2006-5°F 198235%16%
Jan 1938°F22°F56°F 1951-2°F 199434%16%
Jan 2038°F22°F54°F 19911°F 199434%16%
Jan 2138°F22°F57°F 2006-2°F 198534%16%
Jan 2238°F21°F52°F 1952-7°F 198433%16%
Jan 2338°F21°F56°F 19920°F 197633%16%
Jan 2438°F21°F63°F 19670°F 201133%16%
Jan 2538°F21°F55°F 20102°F 196132%16%
Jan 2638°F21°F60°F 19505°F 199432%16%
Jan 2738°F21°F65°F 1974-1°F 199432%16%
Jan 2838°F21°F55°F 20063°F 200331%16%
Jan 2938°F21°F68°F 20024°F 196331%16%
Jan 3038°F21°F57°F 20022°F 195231%16%
Jan 3139°F21°F58°F 20133°F 201931%16%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Norwalk, 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 7:19 AM, sunset 4:36 PM
January 31
sunrise 7:05 AM, sunset 5:09 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00067970 (Stamford 5 N), public domain. Records: NOAA GHCN-Daily, station USW00094702, 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.