Climate Boston - Massachusetts
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 36 | 39 | 45 | 56 | 66 | 76 |
| Average low in ºF Av. low Lo | 22 | 25 | 31 | 41 | 50 | 60 |
| Days with precipitation Days precip. DP | 13 | 11 | 13 | 12 | 13 | 12 |
| Hours of sunshine Hours sun. Sun | 148 | 168 | 212 | 222 | 263 | 283 |
| Av. precipitation in inch Av. precip. Pre. | 3.36 | 3.25 | 4.32 | 3.74 | 3.49 | 3.68 |
| Av. snowfall in inch Snowfall Sn | 13 | 11 | 8 | 2 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 81 | 80 | 72 | 61 | 51 | 41 |
| Average low in ºF Av. low Lo | 65 | 65 | 57 | 47 | 38 | 28 |
| Days with precipitation Days precip. DP | 11 | 10 | 10 | 10 | 11 | 11 |
| Hours of sunshine Hours sun. Sun | 300 | 280 | 232 | 207 | 152 | 148 |
| Av. precipitation in inch Av. precip. Pre. | 3.43 | 3.35 | 3.44 | 3.94 | 3.99 | 3.78 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 1 | 9 |
What is the average weather in Boston, Massachusetts?
Boston experiences a humid continental climate, marked by strong seasonal contrasts. Summers are warm, while winters are cold and bring significant snowfall. Precipitation is fairly wet and spread relatively evenly throughout the year, with winter moisture often arriving as snow. The city receives over 2,600 hours of sunshine annually.
Boston Climate Graph - Massachusetts Climate Chart
Daily normals Boston - Massachusetts - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 36.8 | 23.5 | 0.12 | 0.12 | 0.39 | 1.00 |
| 2 Jan | 36.6 | 23.3 | 0.24 | 0.24 | 0.79 | 2.00 |
| 3 Jan | 36.5 | 23.1 | 0.31 | 0.31 | 1.18 | 3.00 |
| 4 Jan | 36.3 | 22.9 | 0.43 | 0.43 | 1.61 | 4.10 |
| 5 Jan | 36.2 | 22.8 | 0.55 | 0.55 | 2.09 | 5.30 |
| 6 Jan | 36.1 | 22.6 | 0.67 | 0.67 | 2.52 | 6.40 |
| 7 Jan | 35.9 | 22.5 | 0.79 | 0.79 | 2.91 | 7.40 |
| 8 Jan | 35.8 | 22.3 | 0.87 | 0.87 | 3.31 | 8.40 |
| 9 Jan | 35.7 | 22.2 | 0.98 | 0.98 | 3.82 | 9.70 |
| 10 Jan | 35.6 | 22.1 | 1.10 | 1.10 | 4.21 | 10.70 |
| 11 Jan | 35.6 | 22.0 | 1.22 | 1.22 | 4.69 | 11.90 |
| 12 Jan | 35.5 | 21.9 | 1.34 | 1.34 | 5.12 | 13.00 |
| 13 Jan | 35.5 | 21.9 | 1.42 | 1.42 | 5.51 | 14.00 |
| 14 Jan | 35.4 | 21.8 | 1.54 | 1.54 | 5.98 | 15.20 |
| 15 Jan | 35.4 | 21.8 | 1.65 | 1.65 | 6.42 | 16.30 |
| 16 Jan | 35.4 | 21.8 | 1.77 | 1.77 | 6.89 | 17.50 |
| 17 Jan | 35.4 | 21.7 | 1.89 | 1.89 | 7.28 | 18.50 |
| 18 Jan | 35.4 | 21.7 | 1.97 | 1.97 | 7.72 | 19.60 |
| 19 Jan | 35.4 | 21.7 | 2.09 | 2.09 | 8.11 | 20.60 |
| 20 Jan | 35.4 | 21.7 | 2.20 | 2.20 | 8.50 | 21.60 |
| 21 Jan | 35.4 | 21.8 | 2.28 | 2.28 | 9.02 | 22.90 |
| 22 Jan | 35.5 | 21.8 | 2.40 | 2.40 | 9.41 | 23.90 |
| 23 Jan | 35.5 | 21.8 | 2.52 | 2.52 | 9.69 | 24.60 |
| 24 Jan | 35.6 | 21.9 | 2.64 | 2.64 | 10.12 | 25.70 |
| 25 Jan | 35.7 | 22.0 | 2.72 | 2.72 | 10.51 | 26.70 |
| 26 Jan | 35.8 | 22.0 | 2.83 | 2.83 | 10.91 | 27.70 |
| 27 Jan | 35.9 | 22.1 | 2.95 | 2.95 | 11.30 | 28.70 |
| 28 Jan | 36.0 | 22.2 | 3.03 | 3.03 | 11.69 | 29.70 |
| 29 Jan | 36.1 | 22.3 | 3.15 | 3.15 | 12.09 | 30.70 |
| 30 Jan | 36.2 | 22.4 | 3.27 | 3.27 | 12.52 | 31.80 |
| 31 Jan | 36.3 | 22.5 | 3.35 | 3.35 | 12.91 | 32.80 |
Weather history Boston - May 2012
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 May | 50.0 | 45.0 | 0.60 | 0.00 | - |
| 02 May | 52.0 | 45.0 | T | 0.00 | - |
| 03 May | 50.0 | 46.0 | 0.04 | 0.00 | - |
| 04 May | 55.9 | 48.9 | 0.01 | 0.00 | - |
| 05 May | 57.9 | 46.0 | 0.09 | 0.00 | - |
| 06 May | 54.0 | 46.0 | 0.00 | 0.00 | - |
| 07 May | 59.0 | 48.0 | 0.00 | 0.00 | - |
| 08 May | 57.9 | 50.0 | 0.16 | 0.00 | - |
| 09 May | 63.0 | 55.9 | 0.26 | 0.00 | - |
| 10 May | 66.9 | 50.0 | 0.85 | 0.00 | - |
| 11 May | 64.0 | 46.9 | 0.00 | 0.00 | - |
| 12 May | 80.1 | 50.0 | 0.00 | 0.00 | - |
| 13 May | 80.1 | 59.0 | 0.00 | 0.00 | - |
| 14 May | 64.0 | 53.1 | 0.09 | 0.00 | - |
| 15 May | 73.0 | 55.9 | 0.50 | 0.00 | - |
| 16 May | 73.0 | 60.1 | 0.06 | 0.00 | - |
| 17 May | 70.0 | 54.0 | 0.00 | 0.00 | - |
| 18 May | 64.9 | 48.9 | 0.00 | 0.00 | - |
| 19 May | 66.0 | 51.1 | 0.00 | 0.00 | - |
| 20 May | 71.1 | 55.0 | 0.00 | 0.00 | - |
| 21 May | 59.0 | 54.0 | 0.02 | 0.00 | - |
| 22 May | 63.0 | 55.9 | 0.58 | 0.00 | - |
| 23 May | 71.1 | 59.0 | T | 0.00 | - |
| 24 May | 71.1 | 60.1 | 0.00 | 0.00 | - |
| 25 May | 73.9 | 57.9 | 0.00 | 0.00 | - |
| 26 May | 86.0 | 66.0 | 0.00 | 0.00 | - |
| 27 May | 72.0 | 64.0 | 0.00 | 0.00 | - |
| 28 May | 69.1 | 60.1 | 0.00 | 0.00 | - |
| 29 May | 66.9 | 59.0 | 0.17 | 0.00 | - |
| 30 May | 75.0 | 61.0 | T | 0.00 | - |
| 31 May | 82.9 | 63.0 | 0.00 | 0.00 | - |
Past weather Boston
| May 12 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 66.5 ºF | 36 ºF | |
| Average low temperature Av. low temp. | 54.0 ºF | 22 ºF | |
| Total precipitation Total precip. | 3.43 inch | 3.36 inch | |
| Total snowfall Total snowfall | 0.00 inch | 13 inch | |
| Highest max temperature Highest max temp. | 86.0 ºF | - | |
| Lowest max temperature Lowest max temp. | 50.0 ºF | - | |
| Highest min temperature Highest min temp. | 66.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 45.0 ºF | - | |
Past weather May 2012 incomplete - Missing data
Geo Boston - Massachusetts
| Country | United States | |
|---|---|---|
| State | Massachusetts | |
| County | Suffolk | |
| City | Boston | |
| Zip Code | 2108 | |
| Longitude | -71.06 dec. degr. | |
| Latitude | 42.36 dec. degr. | |
| Altitude - Elevation | 49ft | |
| ICAO | - | |
| IATA | - |
Date and Time Boston - Massachusetts
| Local Time | 04:24 AM | |
|---|---|---|
| Sunrise | 05:11 AM | |
| Sunset | 08:26 PM | |
| Day/Night | Night | |
| Timezone | Eastern Daylight Time | |
| Timezone DB | America - New York |
Map of Boston - Massachusetts
USGS National Map — Open interactive map
Boston weather averages
| Annual high temperature | 59ºF |
| Annual low temperature | 44ºF |
| Days per year with precip. | 137 days |
| Annual hours of sunshine | 2615 hours |
| Average annual precip. | 43.77 inch |
| Av. annual snowfall | 44 inch |
Station Data
Monthly averages Boston
Longitude: -71.0598, Latitude: 42.3584
Average weather Boston, MA - 2108
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...