Wellesley May Weather Averages Massachusetts, United States of America

May Weather Averages for Wellesley

High Temp	20°C	68°F
Low Temp	10°C	50°F
Avg Temp	15°C	59°F
Sunshine Hours	184 hours
Rainfall	80.11 mm	3.15 In
Rain days	8 days
Pressure	1016 mb	30 In

Wellesley May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	18°C / 64°F	8°C / 46°F	13°C / 55°F	188 hours	58.51 mm / 2.30 In	7 days	1010 mb / 30 In
2009	19°C / 66°F	10°C / 50°F	14°C / 58°F	194 hours	83.49 mm / 3.29 In	14 days	1017 mb / 31 In
2010	22°C / 71°F	11°C / 52°F	16°C / 61°F	268 hours	53.06 mm / 2.09 In	6 days	1015 mb / 30 In
2011	20°C / 67°F	10°C / 50°F	14°C / 58°F	156 hours	98.00 mm / 3.86 In	9 days	1016 mb / 30 In
2012	21°C / 70°F	12°C / 53°F	16°C / 61°F	151 hours	93.57 mm / 3.68 In	11 days	1017 mb / 30 In
2013	21°C / 70°F	9°C / 48°F	15°C / 58°F	208 hours	103.01 mm / 4.06 In	9 days	1018 mb / 31 In
2014	20°C / 67°F	9°C / 48°F	14°C / 57°F	165 hours	67.16 mm / 2.64 In	11 days	1016 mb / 30 In
2015	23°C / 74°F	11°C / 51°F	17°C / 63°F	254 hours	36.99 mm / 1.46 In	3 days	1020 mb / 31 In
2016	19°C / 66°F	10°C / 49°F	14°C / 57°F	156 hours	54.20 mm / 2.13 In	9 days	1015 mb / 30 In
2017	17°C / 63°F	9°C / 48°F	13°C / 56°F	115 hours	125.13 mm / 4.93 In	9 days	1013 mb / 30 In
2018	23°C / 73°F	12°C / 53°F	17°C / 63°F	230 hours	69.47 mm / 2.73 In	8 days	1017 mb / 31 In
2019	18°C / 65°F	9°C / 49°F	14°C / 56°F	156 hours	97.70 mm / 3.85 In	11 days	1015 mb / 30 In
2020	18°C / 65°F	8°C / 47°F	14°C / 56°F	171 hours	62.11 mm / 2.45 In	5 days	1015 mb / 30 In
2021	19°C / 67°F	10°C / 49°F	14°C / 58°F	116 hours	119.64 mm / 4.71 In	8 days	1017 mb / 31 In
2022	22°C / 71°F	10°C / 50°F	16°C / 61°F	209 hours	36.10 mm / 1.42 In	5 days	1018 mb / 31 In
2023	21°C / 69°F	8°C / 46°F	14°C / 58°F	268 hours	123.05 mm / 4.84 In	5 days	1016 mb / 30 In
2024	20°C / 68°F	10°C / 50°F	15°C / 59°F	131 hours	59.04 mm / 2.32 In	3 days	1014 mb / 30 In

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