Best year time to visit Boston

General weather information about Boston

Average annual temperature is 10.7 °C

Absolute maximum temperature: 26.2 °C

Absolute minimum temperature: -2.6 °C

Number of sunny days: 68 days

Number of rainy days: 294 days

Number of snow days: 3 days

Look at detailed online map of Boston

* Weather data for Boston Ireland is based on climate observations for 2026 year

Boston air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	12.6	13.7	14.3	17.7	22.1	26.2	20.9	23.5	25.8	21.1	13.2	12.6
Average daytime temperature (°C)	8.0	9.7	9.6	12.4	16.6	20.8	17.0	18.3	18.1	13.9	9.8	8.9
Average temperature (°C)	5.9	7.4	6.9	9.0	12.6	16.5	14.4	15.1	14.6	11.0	7.6	7.2
Average night temperature (°C)	3.8	4.9	4.2	5.7	8.6	12.2	11.7	12.1	11.4	8.5	5.6	5.3
Absolute minimum temperature (°C)	-2.6	-0.9	-1.9	0.7	5.1	7.8	9.0	10.0	5.5	2.4	-1.6	-2.0

Boston monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	8.0	10.0	12.0	14.0	16.0	16.0	16.0	15.0	13.0	11.0	9.0	7.0
Daylight mean duration (h)	8.2	9.8	11.9	14.0	15.9	16.9	16.4	14.7	12.7	10.6	8.7	7.6
Daylight minimum duration (h)	7.0	8.0	10.0	13.0	15.0	16.0	15.0	13.0	11.0	9.0	7.0	7.0
Sunshine mean duration (h)	3.4	2.9	3.9	6.5	8.7	10.3	8.0	8.2	6.6	4.3	4.2	2.3
Precipitation (mm)	119	35	186	105	61	115	179	145	161	164	96	160
Sunny days	7	7	3	4	14	8	0	1	4	6	9	5
Rainy days	23	21	26	26	17	22	31	30	26	25	21	26
Snow days	1	0	2	0	0	0	0	0	0	0	0	0

Boston - weather forecast by months

Boston weather in january Boston weather in february Boston weather in march Boston weather in april Boston weather in may Boston weather in june Boston weather in july Boston weather in august Boston weather in september Boston weather in october Boston weather in november Boston weather in december

Best time to visit Boston:

The best time to visit Boston during the most sunny months:

May — 8.7(h)
June — 10.3(h)
July — 8.0(h)
August — 8.2(h)

Months with the longest average daylight duration in Boston:

May — 15.9(h)
June — 16.9(h)
July — 16.4(h)

The largest precipitation sum in Boston is at

March — 186(mm)

July — 179(mm)

September — 161(mm)

October — 164(mm)

December — 160(mm)

Weather forecast in the closest to Boston admin centers