Waterloo May Weather Averages

Iowa, United States of America

May Weather Averages for Waterloo

High Temp21°C69°F
Low Temp11°C51°F
Avg Temp16°C60°F
Sunshine Hours176 hours 
Rainfall158.63 mm6.25 In
Rain days10 days 
Pressure1014 mb30 In

 

Waterloo May Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200920°C / 68°F10°C / 50°F15°C / 59°F224 hours129.96 mm / 5.12 In8 days1015 mb / 30 In
201021°C / 70°F11°C / 51°F16°C / 60°F232 hours159.31 mm / 6.27 In8 days1014 mb / 30 In
201120°C / 67°F10°C / 49°F15°C / 58°F171 hours171.96 mm / 6.77 In12 days1012 mb / 30 In
201223°C / 74°F12°C / 54°F18°C / 64°F227 hours112.32 mm / 4.42 In10 days1013 mb / 30 In
201319°C / 67°F10°C / 50°F15°C / 59°F126 hours239.01 mm / 9.41 In12 days1014 mb / 30 In
201420°C / 68°F10°C / 50°F15°C / 59°F165 hours138.54 mm / 5.45 In11 days1014 mb / 30 In
201521°C / 70°F11°C / 52°F16°C / 61°F178 hours181.10 mm / 7.13 In14 days1016 mb / 30 In
201620°C / 69°F10°C / 51°F15°C / 60°F193 hours123.49 mm / 4.86 In8 days1015 mb / 30 In
201719°C / 67°F9°C / 49°F14°C / 58°F181 hours178.71 mm / 7.04 In11 days1011 mb / 30 In
201825°C / 76°F15°C / 58°F19°C / 67°F189 hours289.15 mm / 11.38 In14 days1013 mb / 30 In
201919°C / 66°F9°C / 48°F14°C / 57°F122 hours245.22 mm / 9.65 In12 days1013 mb / 30 In
202018°C / 65°F10°C / 50°F14°C / 57°F105 hours134.97 mm / 5.31 In10 days1016 mb / 30 In
202118°C / 65°F10°C / 50°F14°C / 58°F111 hours165.95 mm / 6.53 In13 days1018 mb / 31 In
202221°C / 70°F11°C / 53°F16°C / 61°F131 hours127.20 mm / 5.01 In11 days1012 mb / 30 In
202322°C / 72°F11°C / 51°F16°C / 62°F194 hours101.60 mm / 4.00 In5 days1017 mb / 31 In
202421°C / 69°F11°C / 51°F16°C / 60°F192 hours152.94 mm / 6.02 In5 days1010 mb / 30 In
202520°C / 68°F10°C / 50°F15°C / 59°F127 hours128.08 mm / 5.04 In3 days1015 mb / 30 In
202622°C / 71°F10°C / 50°F16°C / 61°F301 hours75.80 mm / 2.98 In6 days1014 mb / 30 In

Need more than one day of Waterloo history?

Download historical weather for Waterloo, 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 Waterloo

Region

Iowa

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Waterloo weather history: common questions

How far back does Waterloo 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 Waterloo 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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