Best Time to Visit Boston

Temperatures, Precipitation, Sunshine

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day Temperature	2°	4°	8°	13°	20°	25°	28°	28°	23°	17°	11°	5°
Night Temperature	-5°	-4°	-0°	5°	10°	15°	19°	18°	14°	9°	4°	-3°
Water Temperature	2°	2°	3°	7°	12°	16°	18°	19°	17°	13°	9°	4°
Precipitation (inch)	3.58	3.74	3.62	3.9	3.46	3.5	3.23	3.7	2.83	3.31	3.78	2.91
Rainy days	8	9	9	10	8	9	8	11	7	10	12	8
Hours of Sunshine	5	6	7	8	9	10	10	9	8	7	5	5

The annual average temperature is 11.1 °C.

For comparison: London 11 °C, NYC 12 °C, LA 17.9 °C

Warmest month: July (23.4 °C)
Coldest month: January (-1.4 °C)

The maximum water temperature is 19 °C. Comfortable bathing is possible at water temperatures of about 21 °C.

Months with water temperature of at least 17 °C (Limited bathing is possible):
July, August, and September

Overall annual precipitation: 41.57 inch on 109 rainy days

For comparison: London 24.06 in, NYC 41.57 in, LA 12.01 in

There is no rainy season (months with more than 6.9 in of precipitation).

Months that have possible snowfall: January, February, March, November, and December

As our climate table shows, July is the sunniest month with an average of 9.8 hours of sunshine per day. Over the year, there are 7.2 hours of sunshine per day on average. For comparison: London has 4.1, NYC has 7 and LA has 8.9 hours of sunshine per day on average.