Fairfax August Weather Averages Virginia, United States of America

August Weather Averages for Fairfax

High Temp	30°C	86°F
Low Temp	20°C	69°F
Avg Temp	25°C	77°F
Sunshine Hours	220 hours
Rainfall	119.42 mm	4.70 In
Rain days	11 days
Pressure	1015 mb	30 In

Fairfax August Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	31°C / 87°F	21°C / 70°F	25°C / 77°F	237 hours	97.69 mm / 3.85 In	10 days	1016 mb / 30 In
2010	31°C / 88°F	21°C / 69°F	25°C / 78°F	244 hours	105.23 mm / 4.14 In	8 days	1015 mb / 30 In
2011	30°C / 86°F	20°C / 68°F	24°C / 76°F	251 hours	196.54 mm / 7.74 In	11 days	1012 mb / 30 In
2012	30°C / 86°F	20°C / 68°F	24°C / 76°F	242 hours	104.71 mm / 4.12 In	14 days	1015 mb / 30 In
2013	28°C / 83°F	19°C / 65°F	23°C / 73°F	201 hours	87.53 mm / 3.45 In	10 days	1017 mb / 30 In
2014	29°C / 84°F	18°C / 65°F	23°C / 74°F	230 hours	63.23 mm / 2.49 In	10 days	1016 mb / 30 In
2015	30°C / 87°F	19°C / 67°F	24°C / 76°F	235 hours	45.84 mm / 1.80 In	5 days	1015 mb / 30 In
2016	32°C / 89°F	21°C / 71°F	26°C / 79°F	263 hours	32.64 mm / 1.28 In	4 days	1017 mb / 31 In
2017	29°C / 84°F	20°C / 69°F	24°C / 76°F	236 hours	125.80 mm / 4.95 In	11 days	1017 mb / 31 In
2018	30°C / 87°F	22°C / 72°F	26°C / 79°F	233 hours	135.08 mm / 5.32 In	13 days	1017 mb / 31 In
2019	30°C / 86°F	21°C / 70°F	25°C / 77°F	232 hours	109.61 mm / 4.32 In	14 days	1015 mb / 30 In
2020	29°C / 84°F	22°C / 71°F	25°C / 77°F	127 hours	346.15 mm / 13.63 In	20 days	1014 mb / 30 In
2021	31°C / 88°F	22°C / 71°F	26°C / 79°F	163 hours	130.23 mm / 5.13 In	18 days	1017 mb / 31 In
2022	30°C / 87°F	20°C / 68°F	25°C / 77°F	215 hours	96.80 mm / 3.81 In	7 days	1016 mb / 30 In
2023	31°C / 87°F	20°C / 67°F	25°C / 76°F	184 hours	114.25 mm / 4.50 In	7 days	1013 mb / 30 In

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