Boston Weather in January

Average temperatures, rainfall and packing tips for Boston, United States in January

🌡️ Avg high
3°C
🌙 Avg low
-4°C
🌧️ Rainfall
~189 mm
📊 Warmth rank
#12 of 12

January in Boston at a glance

January in Boston is typically cold, with average daytime highs around 3°C and nights near -4°C. It is usually the coldest month of the year in Boston.

January is one of the wetter months in Boston, with around 189 mm of rain - plan around showers.

What to pack for Boston in January

Boston - year at a glance

HighLow · January highlighted
-10°-5°0°5°10°15°20°25°30°35°3°-4°6°-4°9°1°14°4°20°11°27°16°30°20°26°17°23°14°17°8°12°4°4°-3°JanFebMarAprMayJunJulAugSepOctNovDec

Is January a good time to visit Boston?

🧳 January is cold in Boston. City sightseeing works fine if you dress for it, but pack properly and expect short days.

If your dates are flexible, the most comfortable months in Boston are usually May, June, July, August and September.

Other months in Boston

January in other cities

← Boston weather tomorrow (live)

FAQ

How hot is Boston in January?

In January, Boston averages a daytime high of about 3°C and a night-time low of around -4°C, based on recent historical data. That makes it the coldest month of the year there.

Does it rain in Boston in January?

January is one of the wetter months in Boston, with around 189 mm of rain - plan around showers.

Is January a good time to visit Boston?

January is cold in Boston. City sightseeing works fine if you dress for it, but pack properly and expect short days. If your dates are flexible, the most comfortable months in Boston are usually May, June, July, August and September.