Great Falls May Weather Averages Montana, United States of America

May Weather Averages for Great Falls

High Temp	17°C	63°F
Low Temp	6°C	42°F
Avg Temp	12°C	53°F
Sunshine Hours	208 hours
Rainfall	72.97 mm	2.87 In
Rain days	8 days
Pressure	1013 mb	30 In

Great Falls May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	17°C / 62°F	5°C / 41°F	11°C / 52°F	202 hours	120.40 mm / 4.74 In	12 days	1013 mb / 30 In
2009	18°C / 65°F	4°C / 40°F	11°C / 52°F	263 hours	27.30 mm / 1.07 In	6 days	1014 mb / 30 In
2010	14°C / 57°F	3°C / 37°F	8°C / 47°F	154 hours	74.80 mm / 2.94 In	11 days	1013 mb / 30 In
2011	14°C / 58°F	4°C / 39°F	9°C / 48°F	190 hours	86.60 mm / 3.41 In	11 days	1012 mb / 30 In
2012	17°C / 62°F	5°C / 41°F	11°C / 52°F	216 hours	55.00 mm / 2.17 In	6 days	1013 mb / 30 In
2013	18°C / 64°F	6°C / 44°F	12°C / 54°F	195 hours	108.20 mm / 4.26 In	12 days	1014 mb / 30 In
2014	18°C / 64°F	5°C / 42°F	12°C / 53°F	261 hours	31.80 mm / 1.25 In	8 days	1014 mb / 30 In
2015	18°C / 64°F	6°C / 42°F	12°C / 53°F	230 hours	77.10 mm / 3.04 In	9 days	1015 mb / 30 In
2016	17°C / 63°F	6°C / 43°F	12°C / 53°F	195 hours	62.32 mm / 2.45 In	8 days	1015 mb / 30 In
2017	19°C / 67°F	7°C / 44°F	13°C / 56°F	263 hours	35.50 mm / 1.40 In	6 days	1012 mb / 30 In
2018	21°C / 69°F	9°C / 48°F	15°C / 59°F	249 hours	91.69 mm / 3.61 In	6 days	1013 mb / 30 In
2019	16°C / 61°F	5°C / 41°F	11°C / 51°F	173 hours	69.00 mm / 2.72 In	8 days	1013 mb / 30 In
2020	17°C / 63°F	6°C / 43°F	12°C / 53°F	182 hours	56.30 mm / 2.22 In	6 days	1013 mb / 30 In
2021	15°C / 59°F	5°C / 41°F	10°C / 50°F	165 hours	115.93 mm / 4.56 In	11 days	1014 mb / 30 In
2022	17°C / 63°F	5°C / 41°F	11°C / 52°F	211 hours	33.55 mm / 1.32 In	5 days	1010 mb / 30 In
2023	21°C / 70°F	9°C / 48°F	15°C / 59°F	207 hours	103.95 mm / 4.09 In	13 days	1011 mb / 30 In
2024	15°C / 59°F	5°C / 42°F	10°C / 50°F	174 hours	138.55 mm / 5.45 In	8 days	1010 mb / 30 In

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