Grinnell August Weather Averages Iowa, United States of America

August Weather Averages for Grinnell

High Temp	28°C	82°F
Low Temp	17°C	63°F
Avg Temp	22°C	72°F
Sunshine Hours	237 hours
Rainfall	104.53 mm	4.12 In
Rain days	6 days
Pressure	1014 mb	30 In

Grinnell August Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	28°C / 83°F	16°C / 61°F	22°C / 71°F	320 hours	29.90 mm / 1.18 In	2 days	1015 mb / 30 In
2009	26°C / 78°F	16°C / 61°F	21°C / 69°F	265 hours	237.62 mm / 9.36 In	9 days	1015 mb / 30 In
2010	28°C / 83°F	18°C / 65°F	23°C / 74°F	264 hours	243.82 mm / 9.60 In	9 days	1013 mb / 30 In
2011	27°C / 80°F	17°C / 63°F	22°C / 71°F	252 hours	113.96 mm / 4.49 In	6 days	1013 mb / 30 In
2012	27°C / 80°F	17°C / 62°F	22°C / 71°F	218 hours	74.08 mm / 2.92 In	3 days	1014 mb / 30 In
2013	29°C / 83°F	17°C / 63°F	23°C / 73°F	298 hours	28.90 mm / 1.14 In	4 days	1016 mb / 30 In
2014	27°C / 80°F	17°C / 63°F	22°C / 71°F	194 hours	83.15 mm / 3.27 In	8 days	1014 mb / 30 In
2015	27°C / 80°F	16°C / 61°F	21°C / 70°F	271 hours	101.21 mm / 3.98 In	6 days	1015 mb / 30 In
2016	28°C / 82°F	18°C / 64°F	23°C / 73°F	236 hours	169.88 mm / 6.69 In	8 days	1016 mb / 30 In
2017	26°C / 79°F	15°C / 60°F	21°C / 69°F	234 hours	45.70 mm / 1.80 In	5 days	1016 mb / 30 In
2018	28°C / 82°F	18°C / 65°F	23°C / 73°F	232 hours	158.76 mm / 6.25 In	5 days	1014 mb / 30 In
2019	26°C / 78°F	17°C / 62°F	21°C / 70°F	202 hours	73.79 mm / 2.91 In	7 days	1015 mb / 30 In
2020	27°C / 80°F	17°C / 62°F	22°C / 71°F	199 hours	18.80 mm / 0.74 In	3 days	1014 mb / 30 In
2021	29°C / 85°F	19°C / 66°F	24°C / 75°F	252 hours	78.42 mm / 3.09 In	8 days	1014 mb / 30 In
2022	31°C / 87°F	18°C / 65°F	24°C / 76°F	212 hours	102.30 mm / 4.03 In	12 days	1014 mb / 30 In
2023	32°C / 89°F	18°C / 64°F	24°C / 76°F	240 hours	65.45 mm / 2.58 In	3 days	1012 mb / 30 In
2024	27°C / 80°F	17°C / 63°F	22°C / 71°F	220 hours	76.56 mm / 3.01 In	1 days	1016 mb / 30 In

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