Climateby Month

Manchester, NH weather in January

NOAA 1991-2020 normals and daily records · Manchester all year

In January, Manchester sees highs around 32°F and lows around 13°F: cold and snowy. Rain or snow falls on about 11 days. Snowfall averages about 17.1 in. It is one of the coldest months in Manchester. Dress for deep cold.

Normal high
32°F
Normal low
13°F
Wet days
11
2.8 in total
Snowfall
17.1 in
snow on the ground 25 days

How January changes from start to finish

Normal values at the start and end of January
January 1January 31
Normal high33°F32°F
Normal low16°F12°F
Chance of a wet day38%35%
Sunrise / sunset7:17 am / 4:21 pm7:01 am / 4:56 pm
Daylight9.1 h9.9 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical January day

  1. 6 am22°Fdew point 14°F
  2. 9 am23°Fdew point 15°F
  3. Noon30°Fdew point 16°F
  4. 3 pm32°Fdew point 16°F
  5. 6 pm29°Fdew point 16°F
  6. 9 pm26°Fdew point 16°F

NOAA hourly normals (local standard time) from Manchester Airport (4 mi away); average wind 7 mph; clear or few clouds in 50% of daytime hours, mostly cloudy or overcast in 45%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow11 of 31
  • Notable rainat least 0.10 in6 of 31
  • Freezing nightslow 32°F or below30 of 31
  • Snow on the groundsnow depth 1 in or more25 of 31

Average days per January, counted from daily records for each year 1991-2020.

Rain and snow in January

Normal precipitation is 2.8 in; a dry January brings about 2.0 in and a wet one about 3.3 in (25th and 75th percentiles). About 2 days bring half an inch or more. Normal snowfall is 17.1 in, with about 4 days of an inch or more.

How January varies from year to year

  • Warmest January, 1991-20202006: average high 40°F
  • Coolest January1994: average high 23°F
  • Wettest January1999: 5.4 in
  • Driest January2004: 0.7 in
  • Highest reading66°F (January 13, 2020)
  • Lowest reading-20°F (January 31, 1999)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

January compared with December and February

DecemberJanuaryFebruary
Normal high38°F32°F35°F
Normal low21°F13°F15°F
Wet days121110
Comfortable days000
Daylight9.1 h9.4 h10.5 h

Highs change by -6°F from December and +3°F into February.

Nearby alternatives in January

How Manchester ranks in January

  • Normal high329th warmest of 378 cities; 2nd of 4 in New Hampshire
  • Wet days288th driest of 378
  • Comfortable days308th most of 339

What to pack for Manchester in January

  • A warm jacket – lows near 13°F, highs near 32°F
  • A rain jacket or umbrella – rain or snow on about 11 days
  • Waterproof boots – snow on the ground on about 25 days
  • A hat and gloves – about 30 freezing nights

Heating and cooling

January has 1322 heating degree days and 0 cooling degree days (base 65°F), 18% of the year's total heating and cooling demand.

Questions

How cold is Manchester in January?

The normal high is 32°F and the normal low is 13°F. From 1991 to 2020 the coldest January reading was -20°F (January 31, 1999).

Does it rain a lot in Manchester in January?

About 11 days in January have at least 0.01 in of precipitation, and the normal total is 2.8 in. The wettest January in 1991-2020 was in 1999 (5.4 in); the driest was in 2004 (0.7 in).

Does it snow in Manchester in January?

Yes. Normal snowfall in January is 17.1 in, and snow covers the ground on about 25 days.

Is January a good time to visit Manchester?

January ranks 12th of 12 months on our comfort score for Manchester (25 out of 100). It has almost no comfortable days. The best month is May.

Where the numbers come from

  • Temperature and frost dates: Massabesic Lake (USC00275211), 3.1 mi E of the city center, 253 ft . NOAA normals and daily records, 1991-2020.
  • Rain, snowfall, snow depth and cloud cover: Concord Muni Airport (USW00014745), 14 mi N of the city center, 346 ft (92 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour: Manchester Airport (USW00014710), 4.4 mi S of the city center, 225 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Manchester Airport (743945-14710), 4.6 mi SSE of the city center, 229 ft . Hourly observations, 1991-2020.