Boulder Weather History Colorado, 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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Sun 27 Apr, 2025 Weather in Boulder

Sunrise: 06:06 AM Sunset: 07:52 PM	Moonrise: 05:44 AM Moonset: 08:16 PM	Max: 22.4 °c	Min: 8.0 °c	Avg: 15.3 °c	Precip: 0.00 mm	Max Wind: 32.8 kph

	Sun 27 0:00 am	Sun 27 3:00 am	Sun 27 6:00 am	Sun 27 9:00 am	Sun 27 12:00 pm	Sun 27 3:00 pm	Sun 27 6:00 pm	Sun 27 9:00 pm
Icon
Temp	11.5°c	8.9°c	9.9°c	16.5°c	21.3°c	22.0°c	19.0°c	13.8°c
Wind	13.3 kmph	10.1 kmph	11.2 kmph	3.6 kmph	20.2 kmph	28.1 kmph	31.3 kmph	30.6 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	0%	0%	0%	0%	0%	28%	87%	46%
Humidity	57%	63%	65%	36%	23%	15%	20%	30%
Pressure	1008 mb	1009 mb	1009 mb	1005 mb	1002 mb	998 mb	998 mb	1002 mb

Boulder Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	2°C / 36°F	-8°C / 17°F	-4°C / 26°F	257 hours	22.08 mm / 0.87 In	5 days	1021 mb / 31 In
February	3°C / 38°F	-8°C / 18°F	-3°C / 27°F	228 hours	29.27 mm / 1.15 In	7 days	1018 mb / 31 In
March	9°C / 48°F	-3°C / 27°F	3°C / 37°F	249 hours	54.10 mm / 2.13 In	5 days	1015 mb / 30 In
April	12°C / 54°F	0°C / 33°F	6°C / 43°F	232 hours	77.37 mm / 3.05 In	8 days	1013 mb / 30 In
May	17°C / 62°F	5°C / 42°F	11°C / 52°F	223 hours	111.64 mm / 4.40 In	11 days	1013 mb / 30 In
June	25°C / 77°F	12°C / 54°F	18°C / 65°F	273 hours	61.24 mm / 2.41 In	9 days	1013 mb / 30 In
July	27°C / 81°F	15°C / 60°F	21°C / 70°F	284 hours	59.62 mm / 2.35 In	11 days	1015 mb / 30 In
August	27°C / 80°F	15°C / 58°F	21°C / 69°F	296 hours	36.24 mm / 1.43 In	8 days	1016 mb / 30 In
September	24°C / 74°F	11°C / 52°F	17°C / 62°F	297 hours	43.53 mm / 1.71 In	5 days	1016 mb / 30 In
October	15°C / 59°F	3°C / 38°F	8°C / 47°F	285 hours	38.97 mm / 1.53 In	4 days	1017 mb / 30 In
November	9°C / 47°F	-3°C / 27°F	2°C / 35°F	285 hours	27.91 mm / 1.10 In	4 days	1018 mb / 31 In
December	3°C / 38°F	-7°C / 19°F	-3°C / 27°F	274 hours	20.78 mm / 0.82 In	5 days	1019 mb / 31 In

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