Brockton, MA weather in January
In January, Brockton sees highs around 39°F and lows around 21°F: cold and snowy. Expect about 11 wet days. Snowfall averages about 14.3 in. It is one of the coldest months in Brockton. Pack for snow.
- Normal high
- 39°F
- Normal low
- 21°F
- Wet days
- 11
- 4.0 in total
- Snowfall
- 14.3 in
- snow on the ground 10 days
How January changes from start to finish
| January 1 | January 31 | |
|---|---|---|
| Normal high | 40°F | 39°F |
| Normal low | 23°F | 20°F |
| Chance of a wet day | 38% | 35% |
| Sunrise / sunset | 7:12 am / 4:22 pm | 6:57 am / 4:57 pm |
| Daylight | 9.2 h | 10.0 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
- 6 am26°Fdew point 20°F
- 9 am29°Fdew point 21°F
- Noon34°Fdew point 21°F
- 3 pm35°Fdew point 21°F
- 6 pm31°Fdew point 21°F
- 9 pm29°Fdew point 21°F
NOAA hourly normals (local standard time) from Plymouth Muni Airport (19 mi away); average wind 9 mph; clear or few clouds in 29% of daytime hours, mostly cloudy or overcast in 56%.
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 in7 of 31
- Freezing nightslow 32°F or below27 of 31
- Snow on the groundsnow depth 1 in or more10 of 31
Average days per January, counted from daily records for each year 1991-2020.
Rain and snow in January
Normal precipitation is 4.0 in; a dry January brings about 2.7 in and a wet one about 4.6 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 14.3 in, with about 4 days of an inch or more.
How January varies from year to year
- Warmest January, 1991-20202006: average high 45°F
- Coolest January2004: average high 29°F
- Wettest January1998: 8.7 in
- Driest January2013: 1.5 in
- Highest reading71°F (January 12, 2020)
- Lowest reading-10°F (January 4, 2014)
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
| December | January | February | |
|---|---|---|---|
| Normal high | 44°F | 39°F | 41°F |
| Normal low | 26°F | 21°F | 22°F |
| Wet days | 12 | 11 | 11 |
| Comfortable days | 1 | 0 | 0 |
| Daylight | 9.2 h | 9.5 h | 10.6 h |
Highs change by -5°F from December and +2°F into February.
Nearby alternatives in January
- Cooler: Worcester, MA42 mi · high 32°F · 12 wet days
How Brockton ranks in January
- Normal high270th warmest of 378 cities; 4th of 9 in Massachusetts
- Wet days277th driest of 378
- Comfortable days227th most of 339
What to pack for Brockton in January
- A warm jacket – lows near 21°F, highs near 39°F
- A rain jacket or umbrella – rain or snow on about 11 days
- Waterproof boots – about 14.3 in of snow in a typical year
- A hat and gloves – about 27 freezing nights
Heating and cooling
January has 1096 heating degree days and 0 cooling degree days (base 65°F), 17% of the year's total heating and cooling demand.
Questions
How cold is Brockton in January?
The normal high is 39°F and the normal low is 21°F. From 1991 to 2020 the coldest January reading was -10°F (most recently on January 4, 2014).
Does it rain a lot in Brockton in January?
About 11 days in January have at least 0.01 in of precipitation, and the normal total is 4.0 in. The wettest January in 1991-2020 was in 1998 (8.7 in); the driest was in 2013 (1.5 in).
Does it snow in Brockton in January?
Yes. Normal snowfall in January is 14.3 in, and snow covers the ground on about 10 days.
Is January a good time to visit Brockton?
January ranks 12th of 12 months on our comfort score for Brockton (29 out of 100). It has almost no comfortable days. The best month is May.
Where the numbers come from
- Temperature, rain, snow depth and frost dates: Brockton (USC00190860), 2.5 mi SSE of the city center, 75 ft . NOAA normals and daily records, 1991-2020.
- Snowfall: Norton W (USC00195984), 9.9 mi SW of the city center, 95 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Plymouth Muni Airport (USW00054769), 19 mi SE of the city center, 149 ft . NOAA normals and daily records, 1991-2020.
- Cloud cover: Boston Logan Intl Airport (USW00014739), 19 mi N of the city center, 12 ft (101 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Gen E L Logan International Airport (725090-14739), 19 mi N of the city center, 11 ft (102 ft lower than the city). Hourly observations, 1991-2020.