Groton August Weather Averages Massachusetts, United States of America

August Weather Averages for Groton

High Temp	27°C	81°F
Low Temp	17°C	62°F
Avg Temp	22°C	71°F
Sunshine Hours	225 hours
Rainfall	106.24 mm	4.18 In
Rain days	8 days
Pressure	1015 mb	30 In

Groton August Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	25°C / 77°F	15°C / 59°F	19°C / 67°F	209 hours	137.44 mm / 5.41 In	11 days	1013 mb / 30 In
2009	27°C / 81°F	17°C / 62°F	22°C / 71°F	246 hours	114.27 mm / 4.50 In	7 days	1015 mb / 30 In
2010	27°C / 81°F	16°C / 62°F	22°C / 71°F	240 hours	113.08 mm / 4.45 In	6 days	1015 mb / 30 In
2011	26°C / 80°F	16°C / 61°F	21°C / 69°F	227 hours	239.31 mm / 9.42 In	11 days	1011 mb / 30 In
2012	28°C / 82°F	17°C / 63°F	22°C / 72°F	265 hours	88.82 mm / 3.50 In	9 days	1014 mb / 30 In
2013	26°C / 79°F	15°C / 59°F	21°C / 69°F	262 hours	71.06 mm / 2.80 In	5 days	1015 mb / 30 In
2014	26°C / 78°F	15°C / 58°F	20°C / 68°F	242 hours	104.39 mm / 4.11 In	7 days	1016 mb / 30 In
2015	28°C / 83°F	17°C / 63°F	22°C / 72°F	249 hours	54.99 mm / 2.17 In	6 days	1015 mb / 30 In
2016	30°C / 85°F	18°C / 64°F	24°C / 74°F	279 hours	42.54 mm / 1.67 In	7 days	1017 mb / 30 In
2017	27°C / 81°F	16°C / 61°F	21°C / 70°F	255 hours	69.79 mm / 2.75 In	5 days	1016 mb / 30 In
2018	29°C / 83°F	19°C / 65°F	23°C / 74°F	190 hours	127.23 mm / 5.01 In	10 days	1016 mb / 30 In
2019	28°C / 82°F	17°C / 62°F	22°C / 71°F	268 hours	86.49 mm / 3.41 In	6 days	1014 mb / 30 In
2020	28°C / 82°F	18°C / 64°F	23°C / 73°F	208 hours	78.16 mm / 3.08 In	10 days	1014 mb / 30 In
2021	28°C / 82°F	18°C / 65°F	23°C / 73°F	166 hours	103.50 mm / 4.07 In	8 days	1017 mb / 31 In
2022	30°C / 85°F	18°C / 64°F	23°C / 74°F	155 hours	57.61 mm / 2.27 In	8 days	1016 mb / 30 In
2023	26°C / 78°F	15°C / 59°F	20°C / 68°F	161 hours	253.15 mm / 9.97 In	11 days	1013 mb / 30 In
2024	27°C / 80°F	15°C / 59°F	20°C / 68°F	189 hours	95.38 mm / 3.76 In	4 days	1016 mb / 30 In

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