Hartford weather in January: Hartford, Connecticut: normal highs, lows, rain and records for January
Hartford in January has a normal high of 35°F and a normal low of 19°F, a daily mean of 27°F, holding near 35°F all month. Measurable precipitation falls on 11 days in a normal January, 3.28 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 2°C and low of −7°C, 83 mm of precipitation and 36 cm of snow in January.
- NOAA stationHartford-Bradley International Airport
- Station IDUSW00014740
- Location41.94°N 72.68°W
- Elevation190 ft (58 m)
- From the center12 miles
- Population122,129
- Jan 35° 19°
- Feb 39° 21°
- Mar 47° 28°
- Apr 61° 38°
- May 72° 48°
- Jun 80° 58°
- Jul 85° 63°
- Aug 83° 62°
- Sep 76° 54°
- Oct 64° 42°
- Nov 52° 33°
- Dec 41° 25°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Hartford in January?
The normal high is 35°F and the normal low 19°F, for a daily mean of 27.1°F. January is 5.5°F cooler than December and 2.5°F cooler than February. January is the 12th warmest month of the year in Hartford and the 11th wettest. Across the month the normal high falls 1°F, from 37°F on January 1 to 36°F on January 31. From one year to the next January's mean temperature typically moves about 4.4°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 23°F and 32°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 37%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 37°F | 21°F | 37% | 23% |
| January 8 | 36°F | 20°F | 37% | 22% |
| January 15 | 35°F | 19°F | 36% | 21% |
| January 22 | 35°F | 18°F | 35% | 20% |
| January 31 | 36°F | 18°F | 34% | 20% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 22)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 37°F | 21°F | 37% | 23% | 9 h 10 min |
| January 2 | 36°F | 21°F | 37% | 23% | 9 h 10 min |
| January 3 | 36°F | 20°F | 37% | 22% | 9 h 10 min |
| January 4 | 36°F | 20°F | 37% | 22% | 9 h 10 min |
| January 5 | 36°F | 20°F | 37% | 22% | 9 h 10 min |
| January 6 | 36°F | 20°F | 37% | 22% | 9 h 10 min |
| January 7 | 36°F | 20°F | 37% | 22% | 9 h 20 min |
| January 8 | 36°F | 20°F | 37% | 22% | 9 h 20 min |
| January 9 | 35°F | 19°F | 37% | 22% | 9 h 20 min |
| January 10 | 35°F | 19°F | 36% | 21% | 9 h 20 min |
| January 11 | 35°F | 19°F | 36% | 21% | 9 h 20 min |
| January 12 | 35°F | 19°F | 36% | 21% | 9 h 20 min |
| January 13 | 35°F | 19°F | 36% | 21% | 9 h 20 min |
| January 14 | 35°F | 19°F | 36% | 21% | 9 h 20 min |
| January 15 | 35°F | 19°F | 36% | 21% | 9 h 30 min |
| January 16 | 35°F | 18°F | 36% | 21% | 9 h 30 min |
| January 17 | 35°F | 18°F | 36% | 20% | 9 h 30 min |
| January 18 | 35°F | 18°F | 35% | 20% | 9 h 30 min |
| January 19 | 35°F | 18°F | 35% | 20% | 9 h 30 min |
| January 20 | 35°F | 18°F | 35% | 20% | 9 h 30 min |
| January 21 | 35°F | 18°F | 35% | 20% | 9 h 40 min |
| January 22 | 35°F | 18°F | 35% | 20% | 9 h 40 min |
| January 23 | 35°F | 18°F | 35% | 20% | 9 h 40 min |
| January 24 | 35°F | 18°F | 35% | 20% | 9 h 40 min |
| January 25 | 35°F | 18°F | 35% | 20% | 9 h 40 min |
| January 26 | 35°F | 18°F | 34% | 20% | 9 h 50 min |
| January 27 | 35°F | 18°F | 34% | 20% | 9 h 50 min |
| January 28 | 35°F | 18°F | 34% | 20% | 9 h 50 min |
| January 29 | 35°F | 18°F | 34% | 20% | 9 h 50 min |
| January 30 | 35°F | 18°F | 34% | 20% | 9 h 50 min |
| January 31 | 36°F | 18°F | 34% | 20% | 10 h |
- Normal high
- 35°FJanuary average
- Normal low
- 19°FJanuary average
- Precipitation
- 3.28 inmonth total
- Days with precipitation
- 110.01 inch or more
- Snowfall
- 14.2 inmonth total
- Nights at 32°F or colder
- 27
- Daylight
- 9 h 10 min to 10 hJanuary 1 to January 31
- Sunshine
- 70%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014740; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Hartford in January?
On a given January day the chance of 0.01 inch or more is 36% on average, highest around January 1 (37%). In all, 3.28 in falls on 11 days of a normal January, 1 of them with an inch or more.
In a normal January in Hartford, 27 nights fall to freezing, 12 days stay below freezing all day and snowfall averages 14.2 inches.
Snow falls on 6 days in a normal January.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014740.
How humid and windy is Hartford in January?
At 3 p.m. the normal temperature is 34°F with 48% relative humidity and a dew point of 17°F; at 6 a.m. it is 23°F with 71% humidity. The wind averages 8.2 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 23°F | 15°F | 71% | 6.9 mph | 44% |
| 9 a.m. | 26°F | 16°F | 66% | 8.2 mph | – |
| noon | 32°F | 16°F | 53% | 9.9 mph | 32% |
| 3 p.m. | 34°F | 17°F | 48% | 10.8 mph | 30% |
| 6 p.m. | 31°F | 16°F | 54% | 8.5 mph | 40% |
| 9 p.m. | 28°F | 16°F | 62% | 7.6 mph | 45% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014740. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for January in Hartford?
The warmest January temperature on Hartford's official record (since 1905) is 72°F, on January 6, 2007; the coldest is −26°F, on January 22, 1961. The wettest January brought 9.61 in (1978); the snowiest, 54.3 inches (2011).
The January mean against the 1991-2020 normal of 27.1°F: 2021 28.9°F (+1.8), 2022 24.5°F (−2.6), 2023 36.6°F (+9.5), 2024 31.4°F (+4.3), 2025 28.4°F (+1.3), 2026 24.0°F (−3.1). 4 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 28.9°F | +1.8°F | 2.43 in |
| 2022 | 24.5°F | −2.6°F | 1.83 in |
| 2023 | 36.6°F | +9.5°F | 5.81 in |
| 2024 | 31.4°F | +4.3°F | 8.37 in |
| 2025 | 28.4°F | +1.3°F | 1.58 in |
| 2026 | 24.0°F | −3.1°F | 2.94 in |
Source: records: ACIS, NWS threaded record BDLthr; recent months: ACIS, station USW00014740. Records and recent months use complete months only.
How does January in Hartford compare across Connecticut?
Across the 13 places PlainClimate covers in Connecticut, January normal highs run from 30°F in Norfolk to 38°F in Bridgeport; Hartford's is 35°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Hartford in December41°F by day, 25°F at night
- Hartford in February39°F by day, 21°F at night
- Hartford through the yearEvery month, frost dates, records and recent years
- Connecticut in JanuaryThe statewide normal and the warmest and coolest places
- Bridgeport: Connecticut's warmest Januarynormal high 38°F