Boston MA Recent August Temperatures, Rainfall

The numbers here describe what the August weather in Boston, Massachusetts was like for every year since 2010. A series of tables gives August data by year for temperature and precipitation.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many really hot days occurred each August. Then there's information on how much rain actually landed this month during recent years, as well as how often Boston had wet weather.

The climate data come from weather measurements made at Boston's Logan International Airport.

Temperature

August temperature averages by year in Boston
High °F	Low °F	Year	High °C	Low °C
79	65	2023	26	18
85	68	2022	30	20
84	70	2021	29	21
82	66	2020	28	19
82	67	2019	28	19
85	70	2018	29	21
80	65	2017	26	18
85	68	2016	29	20
83	67	2015	28	19
78	63	2014	26	17
80	65	2013	27	18
82	67	2012	28	20
81	67	2011	27	19
81	65	2010	27	19

Number of days in August when the temperature in Boston rose to at least 70 or 90 degrees Fahrenheit
Year	70 °F 21 °C	90 °F 32 °C
2023	31	0
2022	31	11
2021	31	9
2020	30	6
2019	31	2
2018	31	10
2017	30	1
2016	31	7
2015	31	6
2014	30	1
2013	30	0
2012	31	2
2011	30	2
2010	28	7

Rain

This table gives the total precipitation that fell on Boston during August in each year from 2010. The number of days with precipitation counts the days when rainfall amounted to 0.01 inches (0.3 millimeters) or more.

Total rainfall for August in Boston
Days	Year	Inches	Millimetres
11	2023	6.5	164
9	2022	1.5	38
12	2021	7.0	178
9	2020	2.3	58
7	2019	3.5	88
12	2018	4.7	118
7	2017	1.6	40
8	2016	1.7	44
6	2015	2.2	56
7	2014	1.8	44
5	2013	1.8	47
7	2012	3.1	78
14	2011	7.7	197
7	2010	5.8	146

Boston - Recent August Temperatures and Rainfall

Temperature

Rain

Reference

More on Weather in Boston