Boise May Weather Averages Idaho, United States of America

May Weather Averages for Boise

High Temp	20°C	68°F
Low Temp	8°C	47°F
Avg Temp	14°C	58°F
Sunshine Hours	265 hours
Rainfall	39.75 mm	1.56 In
Rain days	5 days
Pressure	1013 mb	30 In

Boise May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	22°C / 71°F	8°C / 46°F	15°C / 59°F	290 hours	39.44 mm / 1.55 In	4 days	1015 mb / 30 In
2010	16°C / 60°F	5°C / 41°F	10°C / 51°F	221 hours	46.62 mm / 1.84 In	4 days	1014 mb / 30 In
2011	17°C / 62°F	5°C / 42°F	11°C / 52°F	217 hours	53.63 mm / 2.11 In	5 days	1012 mb / 30 In
2012	19°C / 67°F	8°C / 46°F	14°C / 57°F	282 hours	14.26 mm / 0.56 In	4 days	1014 mb / 30 In
2013	21°C / 70°F	8°C / 47°F	15°C / 59°F	291 hours	14.70 mm / 0.58 In	4 days	1014 mb / 30 In
2014	21°C / 70°F	8°C / 47°F	15°C / 59°F	335 hours	11.58 mm / 0.46 In	1 days	1014 mb / 30 In
2015	21°C / 70°F	10°C / 49°F	16°C / 60°F	235 hours	32.80 mm / 1.29 In	5 days	1010 mb / 30 In
2016	21°C / 70°F	9°C / 49°F	15°C / 60°F	294 hours	21.70 mm / 0.85 In	4 days	1013 mb / 30 In
2017	20°C / 68°F	7°C / 45°F	14°C / 57°F	326 hours	35.70 mm / 1.41 In	4 days	1014 mb / 30 In
2018	22°C / 72°F	11°C / 52°F	17°C / 63°F	297 hours	18.40 mm / 0.72 In	8 days	1012 mb / 30 In
2019	19°C / 67°F	9°C / 48°F	14°C / 58°F	256 hours	64.40 mm / 2.54 In	9 days	1010 mb / 30 In
2020	20°C / 68°F	9°C / 48°F	15°C / 58°F	221 hours	50.91 mm / 2.00 In	6 days	1014 mb / 30 In
2021	19°C / 67°F	9°C / 47°F	14°C / 58°F	254 hours	16.29 mm / 0.64 In	4 days	1013 mb / 30 In
2022	17°C / 63°F	7°C / 44°F	12°C / 54°F	164 hours	79.24 mm / 3.12 In	8 days	1013 mb / 30 In
2023	23°C / 73°F	11°C / 52°F	17°C / 63°F	260 hours	41.55 mm / 1.64 In	5 days	1011 mb / 30 In
2024	17°C / 62°F	8°C / 46°F	12°C / 54°F	267 hours	54.65 mm / 2.15 In	4 days	1013 mb / 30 In
2025	22°C / 72°F	9°C / 47°F	15°C / 60°F	287 hours	79.86 mm / 3.14 In	2 days	1013 mb / 30 In

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