Spearfish Weather History South Dakota, 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
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Fri 04 Sep, 2026 Weather in Spearfish

Sunrise: 06:21 AM Sunset: 07:27 PM	Moonrise: 11:05 PM Moonset: 02:53 PM	Max: 36.7 °c	Min: 21.1 °c	Avg: 29.0 °c	Precip: 0.00 mm	Max Wind: 21.6 kph

	Fri 04 0:00 am	Fri 04 3:00 am	Fri 04 6:00 am	Fri 04 9:00 am	Fri 04 12:00 pm	Fri 04 3:00 pm	Fri 04 6:00 pm	Fri 04 9:00 pm
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Temp	22.2°c	23.3°c	21.1°c	26.1°c	35.7°c	36.7°c	35.6°c	28.9°c
Wind	11.9 kmph	16.2 kmph	14.0 kmph	11.2 kmph	16.2 kmph	21.6 kmph	19.4 kmph	15.1 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%	0%	0%	0%
Humidity	38%	28%	17%	18%	13%	13%	12%	14%
Pressure	1009 mb	1008 mb	1008 mb	1007 mb	1006 mb	1004 mb	1004 mb	1007 mb

Spearfish Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	1°C / 33°F	-8°C / 17°F	-4°C / 24°F	186 hours	22.10 mm / 0.87 In	7 days	1021 mb / 31 In
February	1°C / 34°F	-9°C / 16°F	-4°C / 25°F	161 hours	25.97 mm / 1.02 In	7 days	1020 mb / 31 In
March	8°C / 46°F	-3°C / 26°F	2°C / 36°F	196 hours	55.58 mm / 2.19 In	6 days	1016 mb / 30 In
April	11°C / 52°F	0°C / 32°F	6°C / 42°F	179 hours	98.02 mm / 3.86 In	9 days	1013 mb / 30 In
May	18°C / 64°F	6°C / 43°F	12°C / 53°F	190 hours	119.92 mm / 4.72 In	11 days	1012 mb / 30 In
June	25°C / 76°F	12°C / 53°F	18°C / 65°F	235 hours	92.80 mm / 3.65 In	10 days	1010 mb / 30 In
July	30°C / 86°F	16°C / 61°F	23°C / 73°F	263 hours	76.86 mm / 3.03 In	10 days	1012 mb / 30 In
August	29°C / 83°F	15°C / 59°F	22°C / 71°F	273 hours	68.14 mm / 2.68 In	9 days	1012 mb / 30 In
September	24°C / 76°F	11°C / 52°F	17°C / 63°F	286 hours	63.20 mm / 2.49 In	5 days	1012 mb / 30 In
October	14°C / 57°F	3°C / 37°F	8°C / 46°F	237 hours	72.75 mm / 2.86 In	6 days	1011 mb / 30 In
November	8°C / 46°F	-2°C / 28°F	2°C / 36°F	236 hours	21.59 mm / 0.85 In	4 days	1016 mb / 30 In
December	1°C / 34°F	-8°C / 18°F	-4°C / 26°F	202 hours	33.27 mm / 1.31 In	6 days	1019 mb / 31 In

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