Boulder January Weather Averages Colorado, United States of America

January Weather Averages for Boulder

High Temp	2°C	36°F
Low Temp	-8°C	17°F
Avg Temp	-4°C	26°F
Sunshine Hours	257 hours
Rainfall	22.08 mm	0.87 In
Rain days	5 days
Pressure	1021 mb	31 In

Boulder January Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	-1°C / 31°F	-10°C / 13°F	-6°C / 21°F	289 hours	11.00 mm / 0.43 In	6 days	1020 mb / 31 In
2009	4°C / 39°F	-7°C / 20°F	-2°C / 29°F	317 hours	6.14 mm / 0.24 In	4 days	1022 mb / 31 In
2010	3°C / 38°F	-8°C / 18°F	-3°C / 26°F	293 hours	4.70 mm / 0.19 In	3 days	1019 mb / 31 In
2011	1°C / 34°F	-10°C / 14°F	-5°C / 23°F	291 hours	21.00 mm / 0.83 In	5 days	1023 mb / 31 In
2012	4°C / 40°F	-7°C / 19°F	-2°C / 28°F	284 hours	9.00 mm / 0.35 In	4 days	1021 mb / 31 In
2013	2°C / 36°F	-10°C / 14°F	-5°C / 23°F	300 hours	18.70 mm / 0.74 In	3 days	1022 mb / 31 In
2014	2°C / 35°F	-9°C / 16°F	-4°C / 24°F	288 hours	49.90 mm / 1.96 In	9 days	1022 mb / 31 In
2015	3°C / 37°F	-8°C / 18°F	-3°C / 26°F	256 hours	12.00 mm / 0.47 In	5 days	1025 mb / 31 In
2016	1°C / 33°F	-10°C / 15°F	-5°C / 23°F	277 hours	27.40 mm / 1.08 In	7 days	1020 mb / 31 In
2017	0°C / 31°F	-11°C / 13°F	-6°C / 22°F	208 hours	30.28 mm / 1.19 In	8 days	1018 mb / 31 In
2018	5°C / 41°F	-7°C / 20°F	-2°C / 29°F	296 hours	17.30 mm / 0.68 In	3 days	1022 mb / 31 In
2019	3°C / 38°F	-8°C / 17°F	-3°C / 27°F	278 hours	37.50 mm / 1.48 In	5 days	1021 mb / 31 In
2020	5°C / 40°F	-6°C / 22°F	-1°C / 30°F	269 hours	10.90 mm / 0.43 In	4 days	1020 mb / 31 In
2021	4°C / 39°F	-6°C / 21°F	-2°C / 29°F	274 hours	11.80 mm / 0.46 In	4 days	1021 mb / 31 In
2022	3°C / 38°F	-8°C / 17°F	-3°C / 26°F	242 hours	32.18 mm / 1.27 In	7 days	1020 mb / 31 In
2023	1°C / 34°F	-8°C / 17°F	-4°C / 24°F	61 hours	11.52 mm / 0.45 In	10 days	1017 mb / 31 In
2024	1°C / 34°F	-8°C / 17°F	-4°C / 25°F	196 hours	36.87 mm / 1.45 In	12 days	1018 mb / 31 In
2025	1°C / 33°F	-10°C / 13°F	-5°C / 23°F	244 hours	38.12 mm / 1.50 In	0 days	1025 mb / 31 In

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