Ottawa August Weather Averages Illinois, United States of America

August Weather Averages for Ottawa

High Temp	27°C	81°F
Low Temp	17°C	63°F
Avg Temp	22°C	72°F
Sunshine Hours	232 hours
Rainfall	94.87 mm	3.74 In
Rain days	8 days
Pressure	1015 mb	30 In

Ottawa August Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	29°C / 83°F	16°C / 61°F	22°C / 72°F	313 hours	27.40 mm / 1.08 In	5 days	1015 mb / 30 In
2009	26°C / 78°F	16°C / 61°F	21°C / 70°F	232 hours	122.81 mm / 4.84 In	13 days	1016 mb / 30 In
2010	29°C / 85°F	19°C / 65°F	24°C / 75°F	292 hours	126.03 mm / 4.96 In	9 days	1014 mb / 30 In
2011	27°C / 81°F	17°C / 63°F	22°C / 72°F	250 hours	57.68 mm / 2.27 In	7 days	1013 mb / 30 In
2012	27°C / 80°F	16°C / 62°F	22°C / 71°F	245 hours	186.69 mm / 7.35 In	6 days	1015 mb / 30 In
2013	27°C / 81°F	17°C / 62°F	22°C / 71°F	259 hours	50.95 mm / 2.01 In	5 days	1017 mb / 30 In
2014	28°C / 82°F	18°C / 64°F	23°C / 73°F	207 hours	56.76 mm / 2.23 In	10 days	1015 mb / 30 In
2015	27°C / 81°F	16°C / 61°F	22°C / 71°F	271 hours	65.64 mm / 2.58 In	6 days	1015 mb / 30 In
2016	28°C / 82°F	19°C / 66°F	23°C / 74°F	213 hours	140.06 mm / 5.51 In	9 days	1016 mb / 30 In
2017	25°C / 77°F	16°C / 60°F	20°C / 69°F	252 hours	71.83 mm / 2.83 In	8 days	1016 mb / 30 In
2018	27°C / 81°F	19°C / 65°F	23°C / 73°F	206 hours	170.46 mm / 6.71 In	11 days	1015 mb / 30 In
2019	26°C / 79°F	17°C / 62°F	21°C / 70°F	238 hours	100.66 mm / 3.96 In	10 days	1015 mb / 30 In
2020	27°C / 81°F	18°C / 64°F	22°C / 72°F	219 hours	19.70 mm / 0.78 In	6 days	1015 mb / 30 In
2021	28°C / 83°F	19°C / 66°F	24°C / 74°F	162 hours	111.80 mm / 4.40 In	11 days	1016 mb / 30 In
2022	30°C / 86°F	18°C / 64°F	23°C / 74°F	218 hours	53.64 mm / 2.11 In	5 days	1015 mb / 30 In
2023	30°C / 86°F	16°C / 62°F	23°C / 73°F	219 hours	101.15 mm / 3.98 In	6 days	1013 mb / 30 In
2024	27°C / 81°F	17°C / 63°F	22°C / 71°F	223 hours	82.09 mm / 3.23 In	5 days	1016 mb / 30 In

Illinois

Hotels Near Ottawa

Cities Near Ottawa

Quick and Easy Signup for Weather API

WeatherAPI.com makes it super easy to integrate our realtime, daily, hourly and 15 min interval weather forecast data, historical weather, marine weather, bulk request, air quality data, autocomplete, time zone, astronomy and sports data into your new or existing project.

Get Started