Watertown weather in January: Watertown, New York: normal highs, lows, rain and records for January

Watertown in January has a normal high of 30°F and a normal low of 10°F, a daily mean of 20°F, falling from 32°F on the 1st to 29°F by the 31st. Measurable precipitation falls on 16 days in a normal January, 2.86 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of −1°C and low of −12°C, 73 mm of precipitation in January.

  • NOAA stationWatertown International Airport
  • Station IDUSW00094790
  • Location43.99°N 76.02°W
  • Elevation318 ft (97 m)
  • From the center6 miles
  • Population24,038
  1. Jan 30° 10°
  2. Feb 31° 11°
  3. Mar 40° 21°
  4. Apr 54° 33°
  5. May 66° 44°
  6. Jun 75° 53°
  7. Jul 79° 59°
  8. Aug 78° 57°
  9. Sep 71° 49°
  10. Oct 58° 39°
  11. Nov 47° 30°
  12. Dec 36° 19°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Watertown in January?

The normal high is 30°F and the normal low 10°F, for a daily mean of 19.9°F. January is 7.4°F cooler than December and 1.2°F cooler than February. January is the 12th warmest month of the year in Watertown and the 10th wettest. Across the month the normal high falls 3°F, from 32°F on January 1 to 29°F on January 31. From one year to the next January's mean temperature typically moves about 6.0°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 14°F and 26°F.

Watertown in January, day by day: normal high and low

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 54%).

Normal high and low on five days of January, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
January 132°F14°F54%27%
January 830°F11°F54%26%
January 1530°F10°F53%25%
January 2229°F9°F51%23%
January 3129°F8°F50%22%
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 29)
Watertown: NOAA 1991-2020 daily normals for each day of January
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
January 132°F14°F54%27%9 h
January 231°F13°F54%27%9 h
January 331°F13°F54%26%9 h
January 431°F13°F54%26%9 h
January 531°F12°F54%26%9 h
January 631°F12°F54%26%9 h
January 731°F12°F54%26%9 h
January 830°F11°F54%26%9 h
January 930°F11°F54%26%9 h 10 min
January 1030°F11°F54%26%9 h 10 min
January 1130°F11°F53%25%9 h 10 min
January 1230°F10°F53%25%9 h 10 min
January 1330°F10°F53%25%9 h 10 min
January 1430°F10°F53%25%9 h 10 min
January 1530°F10°F53%25%9 h 10 min
January 1630°F10°F52%24%9 h 20 min
January 1729°F9°F52%24%9 h 20 min
January 1829°F9°F52%24%9 h 20 min
January 1929°F9°F52%24%9 h 20 min
January 2029°F9°F52%24%9 h 20 min
January 2129°F9°F51%24%9 h 30 min
January 2229°F9°F51%23%9 h 30 min
January 2329°F9°F51%23%9 h 30 min
January 2429°F8°F51%23%9 h 30 min
January 2529°F8°F51%23%9 h 30 min
January 2629°F8°F51%23%9 h 40 min
January 2729°F8°F50%23%9 h 40 min
January 2829°F8°F50%23%9 h 40 min
January 2929°F8°F50%23%9 h 40 min
January 3029°F8°F50%23%9 h 40 min
January 3129°F8°F50%22%9 h 50 min
Normal high
30°FJanuary average
Normal low
10°FJanuary average
Precipitation
2.86 inmonth total
Days with precipitation
160.01 inch or more
Nights at 32°F or colder
28
Daylight
9 h to 9 h 50 minJanuary 1 to January 31
Sunshine
51%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00094790; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Watertown in January?

On a given January day the chance of 0.01 inch or more is 52% on average, highest around January 1 (54%). In all, 2.86 in falls on 16 days of a normal January.

In a normal January in Watertown, 28 nights fall to freezing and 17 days stay below freezing all day.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094790.

How humid and windy is Watertown in January?

At 3 p.m. the normal temperature is 26°F with 64% relative humidity and a dew point of 15°F; at 6 a.m. it is 17°F with 77% humidity. The wind averages 8.9 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.

A normal January day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.17°F11°F77%8.1 mph–
9 a.m.19°F13°F75%8.8 mph–
noon24°F15°F67%10.2 mph–
3 p.m.26°F15°F64%10.8 mph–
6 p.m.23°F15°F72%8.4 mph–
9 p.m.20°F14°F75%8.6 mph–

Source: NOAA NCEI 1991-2020 hourly normals, station USW00094790. 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 Watertown?

The warmest January temperature on this station's record (since 1949) is 66°F, on January 15, 1995; the coldest is −43°F, on January 16, 1994. The wettest January brought 7.45 in (1999); the snowiest, 80.5 inches (1999).

The January mean against the 1991-2020 normal of 19.9°F: 2021 22.2°F (+2.3), 2022 10.8°F (−9.1), 2023 27.5°F (+7.6), 2024 25.7°F (+5.8), 2025 21.8°F (+1.9), 2026 15.6°F (−4.3). 4 of 6 ran warmer than normal.

Watertown: January in recent years against the 1991-2020 normal
JanuaryMeanAgainst normalPrecip.
202122.2°F+2.3°F0.93 in
202210.8°F−9.1°F1.34 in
202327.5°F+7.6°F3.51 in
202425.7°F+5.8°F–
202521.8°F+1.9°F1.30 in
202615.6°F−4.3°F4.66 in

Source: records: ACIS, station USW00094790; recent months: ACIS, station USW00094790. Records and recent months use complete months only.

How does January in Watertown compare across New York?

Across the 131 places PlainClimate covers in New York, January normal highs run from 23°F in Cooperstown to 42°F in Wantagh; Watertown's is 30°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places