Boulder May Weather Averages Colorado, United States of America

May Weather Averages for Boulder

High Temp	17°C	62°F
Low Temp	5°C	42°F
Avg Temp	11°C	52°F
Sunshine Hours	223 hours
Rainfall	111.64 mm	4.40 In
Rain days	11 days
Pressure	1013 mb	30 In

Boulder May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	17°C / 63°F	4°C / 40°F	11°C / 52°F	270 hours	77.26 mm / 3.04 In	8 days	1011 mb / 30 In
2009	19°C / 66°F	7°C / 44°F	13°C / 55°F	254 hours	57.68 mm / 2.27 In	10 days	1014 mb / 30 In
2010	15°C / 60°F	3°C / 37°F	9°C / 49°F	285 hours	75.49 mm / 2.97 In	9 days	1011 mb / 30 In
2011	15°C / 59°F	3°C / 38°F	9°C / 48°F	232 hours	127.82 mm / 5.03 In	9 days	1011 mb / 30 In
2012	20°C / 68°F	7°C / 45°F	13°C / 56°F	296 hours	46.97 mm / 1.85 In	7 days	1012 mb / 30 In
2013	17°C / 63°F	5°C / 41°F	11°C / 52°F	272 hours	56.96 mm / 2.24 In	7 days	1014 mb / 30 In
2014	17°C / 63°F	5°C / 41°F	11°C / 52°F	259 hours	106.67 mm / 4.20 In	14 days	1014 mb / 30 In
2015	13°C / 55°F	4°C / 40°F	9°C / 48°F	153 hours	225.23 mm / 8.87 In	18 days	1014 mb / 30 In
2016	15°C / 58°F	3°C / 38°F	9°C / 49°F	193 hours	132.06 mm / 5.20 In	15 days	1014 mb / 30 In
2017	16°C / 60°F	5°C / 40°F	10°C / 50°F	232 hours	147.14 mm / 5.79 In	13 days	1013 mb / 30 In
2018	19°C / 65°F	8°C / 46°F	13°C / 56°F	234 hours	115.00 mm / 4.53 In	11 days	1013 mb / 30 In
2019	13°C / 55°F	3°C / 37°F	8°C / 46°F	200 hours	131.35 mm / 5.17 In	11 days	1011 mb / 30 In
2020	20°C / 68°F	7°C / 45°F	14°C / 57°F	227 hours	85.22 mm / 3.35 In	10 days	1014 mb / 30 In
2021	16°C / 61°F	5°C / 42°F	11°C / 52°F	157 hours	155.26 mm / 6.11 In	15 days	1013 mb / 30 In
2022	19°C / 67°F	6°C / 42°F	12°C / 54°F	205 hours	87.84 mm / 3.46 In	9 days	1009 mb / 30 In
2023	19°C / 66°F	8°C / 46°F	13°C / 56°F	176 hours	177.90 mm / 7.00 In	12 days	1013 mb / 30 In
2024	18°C / 64°F	7°C / 44°F	12°C / 53°F	195 hours	57.70 mm / 2.27 In	7 days	1009 mb / 30 In

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