Longmont 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.
Yearly Monthly Averages
Monthly Climate Data
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Tue 03 Mar, 2026 Weather in Longmont

Sunrise: 06:30 AM Sunset: 05:55 PM	Moonrise: 06:28 PM Moonset: 06:34 AM	Max: 9.2 °c	Min: 1.3 °c	Avg: 6.0 °c	Precip: 0.00 mm	Max Wind: 28.4 kph

	Tue 03 0:00 am	Tue 03 3:00 am	Tue 03 6:00 am	Tue 03 9:00 am	Tue 03 12:00 pm	Tue 03 3:00 pm	Tue 03 6:00 pm	Tue 03 9:00 pm
Icon
Temp	6.6°c	4.6°c	4.2°c	6.5°c	8.7°c	8.7°c	7.7°c	3.1°c
Wind	4.3 kmph	8.6 kmph	2.9 kmph	12.6 kmph	16.6 kmph	19.4 kmph	12.6 kmph	4.0 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%	30%	98%	100%	25%	8%
Humidity	51%	66%	72%	62%	50%	54%	45%	65%
Pressure	1006 mb	1006 mb	1008 mb	1010 mb	1013 mb	1017 mb	1018 mb	1021 mb

Longmont Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	4°C / 39°F	-7°C / 19°F	-2°C / 28°F	262 hours	20.36 mm / 0.80 In	5 days	1021 mb / 31 In
February	5°C / 41°F	-6°C / 21°F	-1°C / 30°F	234 hours	24.75 mm / 0.97 In	6 days	1018 mb / 31 In
March	11°C / 51°F	-2°C / 29°F	4°C / 39°F	253 hours	47.73 mm / 1.88 In	5 days	1015 mb / 30 In
April	15°C / 58°F	2°C / 35°F	8°C / 47°F	237 hours	68.88 mm / 2.71 In	7 days	1012 mb / 30 In
May	19°C / 66°F	7°C / 44°F	13°C / 55°F	235 hours	114.47 mm / 4.51 In	10 days	1012 mb / 30 In
June	27°C / 81°F	13°C / 56°F	20°C / 68°F	277 hours	54.49 mm / 2.15 In	7 days	1012 mb / 30 In
July	30°C / 86°F	16°C / 61°F	23°C / 74°F	287 hours	52.71 mm / 2.08 In	8 days	1015 mb / 30 In
August	30°C / 86°F	16°C / 60°F	22°C / 72°F	301 hours	31.05 mm / 1.22 In	7 days	1015 mb / 30 In
September	26°C / 79°F	12°C / 53°F	19°C / 65°F	295 hours	38.87 mm / 1.53 In	3 days	1015 mb / 30 In
October	17°C / 63°F	4°C / 39°F	10°C / 50°F	287 hours	36.51 mm / 1.44 In	4 days	1015 mb / 30 In
November	11°C / 51°F	-2°C / 28°F	3°C / 38°F	284 hours	26.60 mm / 1.05 In	4 days	1018 mb / 31 In
December	5°C / 41°F	-6°C / 21°F	-2°C / 29°F	271 hours	19.35 mm / 0.76 In	4 days	1019 mb / 31 In

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