Boulder October Weather Averages Colorado, United States of America

October Weather Averages for Boulder

High Temp	15°C	59°F
Low Temp	3°C	38°F
Avg Temp	8°C	47°F
Sunshine Hours	285 hours
Rainfall	38.97 mm	1.53 In
Rain days	4 days
Pressure	1017 mb	30 In

Boulder October Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	16°C / 61°F	4°C / 39°F	9°C / 48°F	322 hours	34.17 mm / 1.35 In	4 days	1019 mb / 31 In
2009	10°C / 49°F	0°C / 31°F	4°C / 39°F	260 hours	74.90 mm / 2.95 In	7 days	1015 mb / 30 In
2010	16°C / 61°F	5°C / 41°F	10°C / 50°F	311 hours	27.30 mm / 1.07 In	7 days	1018 mb / 31 In
2011	15°C / 60°F	3°C / 38°F	8°C / 47°F	329 hours	42.19 mm / 1.66 In	3 days	1017 mb / 31 In
2012	13°C / 56°F	2°C / 36°F	7°C / 45°F	331 hours	33.24 mm / 1.31 In	5 days	1017 mb / 30 In
2013	12°C / 53°F	2°C / 36°F	6°C / 43°F	312 hours	70.99 mm / 2.80 In	8 days	1016 mb / 30 In
2014	17°C / 63°F	5°C / 42°F	10°C / 50°F	312 hours	42.90 mm / 1.69 In	4 days	1017 mb / 31 In
2015	16°C / 61°F	6°C / 43°F	10°C / 51°F	263 hours	53.23 mm / 2.10 In	5 days	1017 mb / 30 In
2016	18°C / 65°F	6°C / 43°F	11°C / 52°F	322 hours	15.90 mm / 0.63 In	1 days	1016 mb / 30 In
2017	13°C / 56°F	2°C / 36°F	7°C / 45°F	297 hours	65.92 mm / 2.60 In	5 days	1018 mb / 31 In
2018	12°C / 54°F	2°C / 35°F	6°C / 43°F	254 hours	46.08 mm / 1.81 In	7 days	1018 mb / 31 In
2019	11°C / 51°F	-1°C / 30°F	4°C / 39°F	306 hours	44.43 mm / 1.75 In	6 days	1018 mb / 31 In
2020	16°C / 61°F	2°C / 36°F	9°C / 48°F	307 hours	14.00 mm / 0.55 In	2 days	1018 mb / 31 In
2021	18°C / 64°F	6°C / 42°F	11°C / 51°F	287 hours	12.70 mm / 0.50 In	3 days	1012 mb / 30 In
2022	18°C / 64°F	5°C / 40°F	10°C / 51°F	299 hours	21.50 mm / 0.85 In	3 days	1018 mb / 31 In
2023	18°C / 64°F	4°C / 39°F	10°C / 50°F	289 hours	34.31 mm / 1.35 In	1 days	1015 mb / 30 In
2024	17°C / 62°F	7°C / 44°F	11°C / 52°F	88 hours	23.90 mm / 0.94 In	1 days	1016 mb / 30 In

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