Washington DC Recent August Temperatures, Rainfall

The numbers here describe what the August weather in Washington DC 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 Washington had wet weather.

The climate data come from weather measurements made at the Reagan National Airport near downtown Washington.

Temperature

August temperature averages by year in Washington
High °F	Low °F	Year	High °C	Low °C
86	71	2023	30	22
89	72	2022	32	22
89	73	2021	32	23
87	72	2020	31	22
89	71	2019	32	22
89	73	2018	32	23
85	70	2017	29	21
92	74	2016	33	23
88	71	2015	31	21
86	70	2014	30	21
85	69	2013	29	21
90	72	2012	32	22
89	71	2011	31	22
88	72	2010	31	22

Number of days in August when the temperature in Washington rose to at least 70 or 90 degrees Fahrenheit
Year	70 °F 21 °C	90 °F 32 °C
2023	31	7
2022	31	15
2021	31	16
2020	31	7
2019	31	16
2018	31	17
2017	30	9
2016	31	23
2015	31	12
2014	31	3
2013	31	6
2012	31	15
2011	31	12
2010	31	13

Rain

This table gives the total precipitation that fell on Washington 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 Washington
Days	Year	Inches	Millimetres
9	2023	3.7	94
8	2022	2.4	62
17	2021	9.1	230
17	2020	8.7	222
7	2019	2.0	51
12	2018	5.2	132
11	2017	4.6	116
4	2016	2.8	71
6	2015	1.2	29
11	2014	3.4	86
9	2013	1.4	34
13	2012	2.8	71
12	2011	8.9	227
8	2010	2.6	66

Washington DC - Recent August Temperatures and Rainfall

Temperature

Rain

Reference

More on Weather in Washington