Fairfax Weather History Virginia, United States of America

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
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Thu 05 Mar, 2026 Weather in Fairfax

Sunrise: 06:35 AM Sunset: 06:06 PM	Moonrise: 08:40 PM Moonset: 07:26 AM	Max: 15.3 °c	Min: 8.1 °c	Avg: 11.1 °c	Precip: 0.00 mm	Max Wind: 13.7 kph

	Thu 05 0:00 am	Thu 05 3:00 am	Thu 05 6:00 am	Thu 05 9:00 am	Thu 05 12:00 pm	Thu 05 3:00 pm	Thu 05 6:00 pm	Thu 05 9:00 pm
Icon
Temp	8.7°c	8.3°c	8.1°c	8.7°c	10.6°c	13.9°c	15.2°c	14.8°c
Wind	5.4 kmph	3.6 kmph	3.2 kmph	4.7 kmph	9.7 kmph	13.7 kmph	10.8 kmph	9.7 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	100%	100%	100%	100%	100%	61%	12%	52%
Humidity	98%	99%	99%	99%	97%	90%	87%	90%
Pressure	1024 mb	1023 mb	1022 mb	1021 mb	1021 mb	1019 mb	1019 mb	1019 mb

Fairfax Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	5°C / 41°F	-2°C / 28°F	1°C / 34°F	180 hours	94.67 mm / 3.73 In	7 days	1019 mb / 31 In
February	7°C / 45°F	-1°C / 31°F	3°C / 37°F	159 hours	105.49 mm / 4.15 In	7 days	1019 mb / 31 In
March	12°C / 54°F	3°C / 38°F	7°C / 45°F	168 hours	99.81 mm / 3.93 In	6 days	1018 mb / 31 In
April	18°C / 65°F	8°C / 47°F	13°C / 56°F	179 hours	116.87 mm / 4.60 In	7 days	1016 mb / 30 In
May	23°C / 74°F	14°C / 57°F	18°C / 65°F	181 hours	139.11 mm / 5.48 In	10 days	1016 mb / 30 In
June	29°C / 84°F	18°C / 65°F	23°C / 74°F	220 hours	134.59 mm / 5.30 In	10 days	1014 mb / 30 In
July	32°C / 89°F	21°C / 70°F	26°C / 79°F	229 hours	143.79 mm / 5.66 In	10 days	1015 mb / 30 In
August	30°C / 86°F	20°C / 69°F	25°C / 76°F	216 hours	120.88 mm / 4.76 In	10 days	1016 mb / 30 In
September	26°C / 79°F	17°C / 63°F	21°C / 70°F	202 hours	135.39 mm / 5.33 In	7 days	1018 mb / 31 In
October	20°C / 68°F	11°C / 52°F	15°C / 59°F	203 hours	121.41 mm / 4.78 In	6 days	1018 mb / 31 In
November	13°C / 55°F	5°C / 41°F	9°C / 47°F	216 hours	89.10 mm / 3.51 In	5 days	1021 mb / 31 In
December	8°C / 46°F	1°C / 34°F	4°C / 40°F	177 hours	123.92 mm / 4.88 In	6 days	1020 mb / 31 In

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