Johnston July Weather Averages Iowa, United States of America

July Weather Averages for Johnston

High Temp	29°C	84°F
Low Temp	18°C	65°F
Avg Temp	24°C	74°F
Sunshine Hours	247 hours
Rainfall	87.33 mm	3.44 In
Rain days	6 days
Pressure	1014 mb	30 In

Johnston July Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	29°C / 84°F	18°C / 65°F	23°C / 74°F	277 hours	137.68 mm / 5.42 In	10 days	1013 mb / 30 In
2009	26°C / 79°F	15°C / 60°F	21°C / 69°F	287 hours	95.88 mm / 3.77 In	5 days	1014 mb / 30 In
2010	29°C / 84°F	19°C / 67°F	24°C / 75°F	237 hours	257.30 mm / 10.13 In	12 days	1013 mb / 30 In
2011	30°C / 86°F	21°C / 70°F	26°C / 78°F	247 hours	42.07 mm / 1.66 In	6 days	1013 mb / 30 In
2012	31°C / 89°F	22°C / 71°F	27°C / 80°F	304 hours	17.00 mm / 0.67 In	2 days	1014 mb / 30 In
2013	28°C / 82°F	17°C / 63°F	22°C / 72°F	305 hours	7.14 mm / 0.28 In	2 days	1016 mb / 30 In
2014	26°C / 79°F	15°C / 60°F	21°C / 69°F	268 hours	32.44 mm / 1.28 In	3 days	1015 mb / 30 In
2015	29°C / 84°F	18°C / 64°F	24°C / 74°F	279 hours	132.77 mm / 5.23 In	9 days	1013 mb / 30 In
2016	28°C / 83°F	19°C / 66°F	23°C / 74°F	184 hours	94.14 mm / 3.71 In	5 days	1013 mb / 30 In
2017	30°C / 86°F	20°C / 67°F	25°C / 77°F	307 hours	23.61 mm / 0.93 In	6 days	1015 mb / 30 In
2018	28°C / 82°F	18°C / 65°F	23°C / 74°F	292 hours	74.79 mm / 2.94 In	2 days	1018 mb / 31 In
2019	28°C / 83°F	20°C / 67°F	24°C / 75°F	263 hours	67.73 mm / 2.67 In	6 days	1015 mb / 30 In
2020	28°C / 83°F	20°C / 68°F	24°C / 75°F	158 hours	109.77 mm / 4.32 In	8 days	1014 mb / 30 In
2021	28°C / 83°F	19°C / 66°F	24°C / 75°F	183 hours	135.26 mm / 5.33 In	6 days	1015 mb / 30 In
2022	31°C / 87°F	19°C / 66°F	25°C / 77°F	209 hours	81.40 mm / 3.20 In	8 days	1013 mb / 30 In
2023	31°C / 88°F	17°C / 63°F	24°C / 75°F	238 hours	96.45 mm / 3.80 In	7 days	1013 mb / 30 In
2024	27°C / 80°F	17°C / 63°F	22°C / 71°F	188 hours	129.51 mm / 5.10 In	5 days	1014 mb / 30 In

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