Danbury weather in January: Danbury, Connecticut: normal highs, lows, rain and records for January
Danbury in January has a normal high of 36°F and a normal low of 18°F, a daily mean of 27°F, holding near 36°F all month. Measurable precipitation falls on 11 days in a normal January, 3.06 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 2°C and low of −8°C, 78 mm of precipitation in January.
- NOAA stationDanbury Municipal Airport
- Station IDUSW00054734
- Location41.37°N 73.48°W
- Elevation457 ft (139 m)
- From the center2 miles
- Population88,692
- Jan 36° 18°
- Feb 39° 20°
- Mar 47° 27°
- Apr 59° 37°
- May 69° 46°
- Jun 78° 56°
- Jul 82° 62°
- Aug 80° 60°
- Sep 74° 52°
- Oct 62° 41°
- Nov 51° 31°
- Dec 41° 24°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Danbury in January?
The normal high is 36°F and the normal low 18°F, for a daily mean of 27.0°F. January is 5.4°F cooler than December and 2.2°F cooler than February. January is the 12th warmest month of the year in Danbury 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 4.6°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 22°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 | 20°F | 37% | 23% |
| January 8 | 36°F | 19°F | 36% | 22% |
| January 15 | 36°F | 18°F | 35% | 20% |
| January 22 | 36°F | 17°F | 35% | 19% |
| January 31 | 36°F | 18°F | 35% | 18% |
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 | 20°F | 37% | 23% | 9 h 10 min |
| January 2 | 37°F | 20°F | 37% | 23% | 9 h 10 min |
| January 3 | 37°F | 20°F | 37% | 22% | 9 h 20 min |
| January 4 | 37°F | 20°F | 37% | 22% | 9 h 20 min |
| January 5 | 36°F | 19°F | 37% | 22% | 9 h 20 min |
| January 6 | 36°F | 19°F | 36% | 22% | 9 h 20 min |
| January 7 | 36°F | 19°F | 36% | 22% | 9 h 20 min |
| January 8 | 36°F | 19°F | 36% | 22% | 9 h 20 min |
| January 9 | 36°F | 19°F | 36% | 21% | 9 h 20 min |
| January 10 | 36°F | 18°F | 36% | 21% | 9 h 20 min |
| January 11 | 36°F | 18°F | 36% | 21% | 9 h 20 min |
| January 12 | 36°F | 18°F | 36% | 21% | 9 h 30 min |
| January 13 | 36°F | 18°F | 36% | 21% | 9 h 30 min |
| January 14 | 36°F | 18°F | 35% | 21% | 9 h 30 min |
| January 15 | 36°F | 18°F | 35% | 20% | 9 h 30 min |
| January 16 | 36°F | 18°F | 35% | 20% | 9 h 30 min |
| January 17 | 36°F | 18°F | 35% | 20% | 9 h 30 min |
| January 18 | 36°F | 18°F | 35% | 20% | 9 h 30 min |
| January 19 | 36°F | 18°F | 35% | 20% | 9 h 40 min |
| January 20 | 36°F | 17°F | 35% | 19% | 9 h 40 min |
| January 21 | 36°F | 17°F | 35% | 19% | 9 h 40 min |
| January 22 | 36°F | 17°F | 35% | 19% | 9 h 40 min |
| January 23 | 36°F | 17°F | 35% | 19% | 9 h 40 min |
| January 24 | 36°F | 17°F | 34% | 18% | 9 h 50 min |
| January 25 | 36°F | 17°F | 34% | 18% | 9 h 50 min |
| January 26 | 36°F | 17°F | 34% | 18% | 9 h 50 min |
| January 27 | 36°F | 17°F | 34% | 18% | 9 h 50 min |
| January 28 | 36°F | 17°F | 34% | 18% | 9 h 50 min |
| January 29 | 36°F | 17°F | 34% | 18% | 10 h |
| January 30 | 36°F | 17°F | 34% | 18% | 10 h |
| January 31 | 36°F | 18°F | 35% | 18% | 10 h |
- Normal high
- 36°FJanuary average
- Normal low
- 18°FJanuary average
- Precipitation
- 3.06 inmonth total
- Days with precipitation
- 110.01 inch or more
- Nights at 32°F or colder
- 28
- Daylight
- 9 h 10 min to 10 hJanuary 1 to January 31
- Sunshine
- 68%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00054734; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Danbury in January?
On a given January day the chance of 0.01 inch or more is 35% on average, highest around January 1 (37%). In all, 3.06 in falls on 11 days of a normal January, 1 of them with an inch or more.
In a normal January in Danbury, 28 nights fall to freezing and 12 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00054734.
What are the records for January in Danbury?
The warmest January temperature on this station's record (since 1998) is 70°F, on January 6, 2007; the coldest is −14°F, on January 7, 2018. The wettest January brought 9.22 in (1999).
The January mean against the 1991-2020 normal of 27.0°F: 2021 28.8°F (+1.8), 2022 26.0°F (−1.0), 2023 39.3°F (+12.3), 2024 32.7°F (+5.7), 2025 26.9°F (−0.1), 2026 25.6°F (−1.4). 3 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 28.8°F | +1.8°F | 1.44 in |
| 2022 | 26.0°F | −1.0°F | 2.01 in |
| 2023 | 39.3°F | +12.3°F | 4.29 in |
| 2024 | 32.7°F | +5.7°F | 6.82 in |
| 2025 | 26.9°F | −0.1°F | 0.52 in |
| 2026 | 25.6°F | −1.4°F | 1.43 in |
Source: records: ACIS, station USW00054734; recent months: ACIS, station USW00054734. Records and recent months use complete months only.
How does January in Danbury 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; Danbury's is 36°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.