Ottawa May Weather Averages

Illinois, United States of America

May Weather Averages for Ottawa

High Temp22°C71°F
Low Temp12°C53°F
Avg Temp17°C62°F
Sunshine Hours178 hours 
Rainfall157.06 mm6.18 In
Rain days11 days 
Pressure1015 mb30 In

 

Ottawa May Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200921°C / 70°F10°C / 51°F16°C / 60°F218 hours146.67 mm / 5.77 In9 days1015 mb / 30 In
201022°C / 71°F12°C / 54°F17°C / 62°F192 hours143.98 mm / 5.67 In13 days1015 mb / 30 In
201121°C / 69°F10°C / 51°F16°C / 60°F184 hours185.60 mm / 7.31 In16 days1012 mb / 30 In
201224°C / 76°F13°C / 56°F19°C / 66°F267 hours132.12 mm / 5.20 In9 days1014 mb / 30 In
201322°C / 72°F12°C / 54°F17°C / 63°F165 hours195.51 mm / 7.70 In14 days1014 mb / 30 In
201422°C / 71°F11°C / 52°F16°C / 62°F173 hours184.77 mm / 7.27 In11 days1015 mb / 30 In
201522°C / 72°F12°C / 54°F17°C / 63°F187 hours179.29 mm / 7.06 In13 days1018 mb / 31 In
201621°C / 70°F11°C / 52°F16°C / 61°F178 hours126.26 mm / 4.97 In8 days1015 mb / 30 In
201719°C / 67°F10°C / 50°F15°C / 58°F180 hours152.42 mm / 6.00 In11 days1012 mb / 30 In
201826°C / 79°F15°C / 60°F20°C / 69°F196 hours197.84 mm / 7.79 In14 days1014 mb / 30 In
201921°C / 69°F11°C / 51°F16°C / 61°F134 hours228.72 mm / 9.00 In15 days1014 mb / 30 In
202019°C / 67°F11°C / 51°F15°C / 59°F97 hours154.98 mm / 6.10 In11 days1016 mb / 30 In
202120°C / 67°F11°C / 52°F15°C / 59°F124 hours177.78 mm / 7.00 In13 days1019 mb / 31 In
202223°C / 73°F13°C / 55°F18°C / 64°F146 hours130.50 mm / 5.14 In11 days1013 mb / 30 In
202323°C / 73°F12°C / 53°F17°C / 63°F215 hours90.15 mm / 3.55 In6 days1017 mb / 31 In
202423°C / 73°F13°C / 55°F17°C / 63°F148 hours137.94 mm / 5.43 In6 days1011 mb / 30 In
202520°C / 69°F11°C / 51°F15°C / 59°F106 hours224.98 mm / 8.86 In5 days1015 mb / 30 In
202622°C / 72°F11°C / 51°F16°C / 61°F288 hours37.51 mm / 1.48 In10 days1015 mb / 30 In

Need more than one day of Ottawa history?

Download historical weather for Ottawa, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

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Weather history near Ottawa

Region

Illinois

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Ottawa weather history: common questions

How far back does Ottawa weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Ottawa historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

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