Herndon October Weather Averages Virginia, United States of America

October Weather Averages for Herndon

High Temp	20°C	67°F
Low Temp	10°C	50°F
Avg Temp	15°C	58°F
Sunshine Hours	199 hours
Rainfall	107.24 mm	4.22 In
Rain days	6 days
Pressure	1018 mb	31 In

Herndon October Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	19°C / 65°F	8°C / 46°F	13°C / 55°F	269 hours	32.70 mm / 1.29 In	1 days	1021 mb / 31 In
2009	17°C / 63°F	9°C / 47°F	13°C / 55°F	187 hours	150.73 mm / 5.93 In	7 days	1017 mb / 31 In
2010	19°C / 66°F	9°C / 49°F	14°C / 57°F	252 hours	113.51 mm / 4.47 In	5 days	1014 mb / 30 In
2011	18°C / 64°F	8°C / 46°F	12°C / 54°F	191 hours	132.90 mm / 5.23 In	8 days	1016 mb / 30 In
2012	19°C / 66°F	9°C / 49°F	14°C / 57°F	187 hours	216.43 mm / 8.52 In	7 days	1014 mb / 30 In
2013	20°C / 68°F	10°C / 50°F	14°C / 58°F	209 hours	118.80 mm / 4.68 In	8 days	1018 mb / 31 In
2014	19°C / 66°F	10°C / 49°F	14°C / 58°F	189 hours	96.44 mm / 3.80 In	9 days	1014 mb / 30 In
2015	19°C / 65°F	9°C / 48°F	13°C / 56°F	210 hours	88.48 mm / 3.48 In	6 days	1019 mb / 31 In
2016	20°C / 68°F	10°C / 51°F	15°C / 59°F	232 hours	34.01 mm / 1.34 In	6 days	1020 mb / 31 In
2017	22°C / 72°F	13°C / 55°F	17°C / 63°F	244 hours	113.63 mm / 4.47 In	4 days	1019 mb / 31 In
2018	19°C / 67°F	11°C / 53°F	15°C / 59°F	218 hours	106.83 mm / 4.21 In	7 days	1018 mb / 31 In
2019	20°C / 69°F	12°C / 53°F	16°C / 61°F	172 hours	165.56 mm / 6.52 In	8 days	1018 mb / 31 In
2020	20°C / 67°F	11°C / 52°F	15°C / 59°F	212 hours	151.51 mm / 5.96 In	4 days	1020 mb / 31 In
2021	22°C / 72°F	13°C / 56°F	17°C / 63°F	166 hours	84.10 mm / 3.31 In	5 days	1016 mb / 30 In
2022	18°C / 65°F	8°C / 46°F	13°C / 55°F	208 hours	94.00 mm / 3.70 In	7 days	1019 mb / 31 In
2023	21°C / 71°F	10°C / 50°F	15°C / 59°F	208 hours	48.35 mm / 1.90 In	4 days	1016 mb / 30 In
2024	20°C / 69°F	9°C / 48°F	15°C / 58°F	96 hours	0.62 mm / 0.02 In	0 days	1024 mb / 31 In

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