Spearfish Weather History South Dakota, United States of America

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Daily and hourly data from 1 Jan 2009 onwards.
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Fri 17 Apr, 2026 Weather in Spearfish

Sunrise: 06:08 AM Sunset: 07:43 PM	Moonrise: 05:53 AM Moonset: 08:34 PM	Max: 5.0 °c	Min: -3.6 °c	Avg: 0.0 °c	Precip: 22.90 mm	Max Wind: 39.2 kph

	Fri 17 0:00 am	Fri 17 3:00 am	Fri 17 6:00 am	Fri 17 9:00 am	Fri 17 12:00 pm	Fri 17 3:00 pm	Fri 17 6:00 pm	Fri 17 9:00 pm
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Temp	-1.7°c	-1.4°c	-2.3°c	-2.2°c	1.0°c	4.7°c	4.9°c	-2.2°c
Wind	21.6 kmph	19.4 kmph	18.7 kmph	19.4 kmph	29.5 kmph	39.2 kmph	33.1 kmph	11.5 kmph
Precip	4.10 mm	3.00 mm	0.60 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	100%	100%	75%	89%	70%	16%	0%	0%
Humidity	94%	89%	84%	68%	54%	45%	45%	59%
Pressure	1016 mb	1016 mb	1018 mb	1019 mb	1018 mb	1017 mb	1018 mb	1022 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	97.57 mm / 3.84 In	9 days	1013 mb / 30 In
May	17°C / 63°F	6°C / 43°F	12°C / 53°F	202 hours	122.69 mm / 4.83 In	12 days	1012 mb / 30 In
June	25°C / 76°F	12°C / 53°F	18°C / 65°F	249 hours	94.96 mm / 3.74 In	10 days	1010 mb / 30 In
July	30°C / 85°F	16°C / 61°F	23°C / 73°F	278 hours	79.11 mm / 3.11 In	11 days	1012 mb / 30 In
August	28°C / 83°F	15°C / 59°F	22°C / 71°F	289 hours	70.65 mm / 2.78 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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