Brockton weather by month
Average highs run from 35°F in January to 82°F in July, and January nights average 19°F. It gets 53 inches of rain and melted snow a year and 69 inches of snow. Nights drop below freezing about 117 times a year. The most comfortable months are May and July to September.
Best time to visit Brockton
For comfortable weather, go in May and July to September. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.
Month by month
| Month | High | Low | Precip. | Snow | Wet days | Days 90°F+ | Nights below 32°F | Feels |
|---|---|---|---|---|---|---|---|---|
| January | 35°F | 19°F | 4.5 in | 18.2 in | 7 | 0 | 27 | cold |
| February | 37°F | 21°F | 4.0 in | 21.2 in | 7 | 0 | 25 | cold |
| March | 45°F | 28°F | 5.4 in | 12.8 in | 7 | 0 | 21 | cold |
| April | 57°F | 37°F | 4.6 in | 1.8 in | 8 | 0 | 6 | cool |
| May | 67°F | 47°F | 3.8 in | 0.0 in | 8 | 1 | 0 | mild |
| June | 76°F | 56°F | 4.6 in | 0.0 in | 8 | 1 | 0 | mild |
| July | 82°F | 63°F | 3.4 in | 0.0 in | 6 | 4 | 0 | warm |
| August | 80°F | 62°F | 3.9 in | 0.0 in | 6 | 3 | 0 | warm |
| September | 72°F | 55°F | 4.2 in | 0.0 in | 6 | 1 | 0 | mild |
| October | 61°F | 44°F | 5.3 in | 0.8 in | 7 | 0 | 2 | cool |
| November | 50°F | 34°F | 4.3 in | 1.7 in | 7 | 0 | 12 | cool |
| December | 40°F | 26°F | 5.3 in | 12.8 in | 8 | 0 | 23 | cold |
| Year | 58°F avg | 41°F avg | 53.3 in | 69.3 in | 86 | 9 | 117 |
"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Blue Hill, MA (USW00014753), 10.1 miles from the city center. Averages describe typical conditions, not a forecast.
Sunrise, sunset and daylight in Brockton
The shortest day is December 21, with 9h 06m of daylight; the longest is June 21, with 15h 15m. The earliest sunset comes around December 7 (4:11 pm) and the latest around June 20 (8:23 pm). The sun sets after 8 pm on 78 days a year.
| On the 15th of | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:10 am | 4:37 pm | 9h 27m |
| February | 6:40 am | 5:16 pm | 10h 36m |
| March | 6:56 am | 6:50 pm | 11h 54m |
| April | 6:03 am | 7:25 pm | 13h 22m |
| May | 5:23 am | 7:57 pm | 14h 34m |
| June | 5:07 am | 8:21 pm | 15h 14m |
| July | 5:21 am | 8:17 pm | 14h 56m |
| August | 5:52 am | 7:44 pm | 13h 52m |
| September | 6:24 am | 6:53 pm | 12h 29m |
| October | 6:56 am | 6:02 pm | 11h 05m |
| November | 6:34 am | 4:22 pm | 9h 48m |
| December | 7:05 am | 4:12 pm | 9h 07m |
Calculated for 2026 at the center of Brockton with NOAA's solar equations, in local clock time (Eastern Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.
Is Brockton getting warmer?
The last 10 years averaged 3.4°F warmer than the 20th century. See the climate stripes for Brockton.Frequently asked questions
What is the warmest month in Brockton?
July is the warmest month, with an average high of 82°F and an average low of 63°F (NOAA 1991-2020 normals).
What is the coldest month in Brockton?
January is the coldest, with average lows of 19°F and highs of 35°F.
What is the rainiest month in Brockton?
March gets the most precipitation, 5.4 inches on average. July is the driest at 3.4 inches.
Does it snow in Brockton?
Yes. Brockton averages 69 inches of snow a year.
When is the best time to visit Brockton?
For comfortable weather, May and July to September. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.
Thinking of moving to Brockton?
See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Brockton profile.
Compare the weather: Brockton vs Quincy, Brockton vs Boston, Brockton vs Newton, Brockton vs Cambridge.