Boston - Recent August Temperatures and 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 Weather iconTemperature

August temperature averages by year in Boston
High °F Low °F Year High °C Low °C
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
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

Rainy Weather iconRain

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 (0.254 millimeters) or more.

Total rainfall for August in Boston
Days Year Inches Milli­metres
12 2018 4.7 118
7 2017 1.6 40
4 2016 1.7 44
4 2015 2.2 56
2 2014 1.8 44
2 2013 1.8 47
4 2012 3.1 78
9 2011 7.7 197
6 2010 5.8 146
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

Boston - Recent Years
Boston - Extremes
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