Lewistown May Weather Averages Montana, United States of America

May Weather Averages for Lewistown

High Temp	15°C	59°F
Low Temp	4°C	40°F
Avg Temp	10°C	49°F
Sunshine Hours	188 hours
Rainfall	116.10 mm	4.57 In
Rain days	11 days
Pressure	1013 mb	30 In

Lewistown May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	14°C / 58°F	4°C / 40°F	9°C / 49°F	163 hours	210.00 mm / 8.27 In	12 days	1012 mb / 30 In
2009	16°C / 62°F	4°C / 39°F	10°C / 50°F	237 hours	54.32 mm / 2.14 In	10 days	1013 mb / 30 In
2010	12°C / 54°F	2°C / 35°F	7°C / 44°F	133 hours	131.36 mm / 5.17 In	14 days	1012 mb / 30 In
2011	12°C / 53°F	2°C / 35°F	7°C / 44°F	150 hours	204.54 mm / 8.05 In	13 days	1012 mb / 30 In
2012	15°C / 59°F	3°C / 37°F	9°C / 48°F	208 hours	115.56 mm / 4.55 In	10 days	1013 mb / 30 In
2013	16°C / 61°F	5°C / 40°F	10°C / 51°F	193 hours	241.83 mm / 9.52 In	11 days	1014 mb / 30 In
2014	16°C / 61°F	4°C / 39°F	10°C / 50°F	221 hours	40.56 mm / 1.60 In	9 days	1014 mb / 30 In
2015	15°C / 59°F	4°C / 40°F	10°C / 50°F	229 hours	120.17 mm / 4.73 In	11 days	1015 mb / 30 In
2016	15°C / 59°F	5°C / 41°F	10°C / 50°F	207 hours	127.78 mm / 5.03 In	11 days	1014 mb / 30 In
2017	17°C / 63°F	6°C / 42°F	12°C / 53°F	276 hours	42.10 mm / 1.66 In	8 days	1012 mb / 30 In
2018	18°C / 65°F	8°C / 46°F	13°C / 56°F	221 hours	109.54 mm / 4.31 In	15 days	1012 mb / 30 In
2019	13°C / 56°F	3°C / 38°F	8°C / 47°F	184 hours	82.22 mm / 3.24 In	13 days	1013 mb / 30 In
2020	15°C / 60°F	5°C / 40°F	10°C / 50°F	143 hours	100.33 mm / 3.95 In	11 days	1013 mb / 30 In
2021	14°C / 57°F	4°C / 39°F	9°C / 48°F	133 hours	102.58 mm / 4.04 In	11 days	1014 mb / 30 In
2022	14°C / 58°F	3°C / 38°F	9°C / 48°F	148 hours	49.57 mm / 1.95 In	10 days	1010 mb / 30 In
2023	19°C / 66°F	8°C / 46°F	13°C / 56°F	180 hours	183.30 mm / 7.22 In	15 days	1012 mb / 30 In
2024	13°C / 55°F	3°C / 37°F	8°C / 46°F	140 hours	151.82 mm / 5.98 In	11 days	1010 mb / 30 In

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