Spearfish May Weather Averages South Dakota, United States of America

May Weather Averages for Spearfish

High Temp	17°C	63°F
Low Temp	6°C	42°F
Avg Temp	12°C	53°F
Sunshine Hours	201 hours
Rainfall	119.19 mm	4.69 In
Rain days	12 days
Pressure	1012 mb	30 In

Spearfish May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	13°C / 56°F	4°C / 39°F	9°C / 48°F	139 hours	224.33 mm / 8.83 In	14 days	1011 mb / 30 In
2009	19°C / 66°F	5°C / 41°F	12°C / 54°F	247 hours	49.70 mm / 1.96 In	6 days	1013 mb / 30 In
2010	15°C / 59°F	4°C / 40°F	10°C / 49°F	187 hours	142.36 mm / 5.60 In	14 days	1011 mb / 30 In
2011	14°C / 57°F	4°C / 39°F	9°C / 48°F	162 hours	192.77 mm / 7.59 In	12 days	1011 mb / 30 In
2012	19°C / 66°F	6°C / 43°F	13°C / 55°F	257 hours	59.22 mm / 2.33 In	9 days	1012 mb / 30 In
2013	18°C / 64°F	6°C / 42°F	12°C / 53°F	212 hours	176.89 mm / 6.96 In	16 days	1012 mb / 30 In
2014	18°C / 64°F	6°C / 42°F	12°C / 53°F	182 hours	86.77 mm / 3.42 In	17 days	1013 mb / 30 In
2015	15°C / 58°F	4°C / 40°F	10°C / 49°F	180 hours	200.93 mm / 7.91 In	13 days	1015 mb / 30 In
2016	18°C / 64°F	6°C / 43°F	12°C / 54°F	237 hours	41.29 mm / 1.63 In	12 days	1014 mb / 30 In
2017	18°C / 65°F	6°C / 44°F	12°C / 54°F	238 hours	67.71 mm / 2.67 In	7 days	1012 mb / 30 In
2018	22°C / 71°F	9°C / 49°F	15°C / 60°F	238 hours	125.82 mm / 4.95 In	14 days	1012 mb / 30 In
2019	13°C / 56°F	4°C / 38°F	8°C / 47°F	145 hours	167.19 mm / 6.58 In	19 days	1013 mb / 30 In
2020	18°C / 64°F	6°C / 43°F	12°C / 54°F	172 hours	86.44 mm / 3.40 In	9 days	1014 mb / 30 In
2021	17°C / 62°F	6°C / 42°F	11°C / 53°F	170 hours	86.68 mm / 3.41 In	12 days	1014 mb / 30 In
2022	17°C / 63°F	5°C / 41°F	11°C / 52°F	182 hours	99.50 mm / 3.92 In	9 days	1010 mb / 30 In
2023	21°C / 71°F	9°C / 47°F	15°C / 59°F	214 hours	191.00 mm / 7.52 In	19 days	1012 mb / 30 In
2024	17°C / 62°F	5°C / 42°F	11°C / 52°F	189 hours	132.85 mm / 5.23 In	9 days	1009 mb / 30 In

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