Grinnell May Weather Averages

Iowa, United States of America

May Weather Averages for Grinnell

High Temp21°C69°F
Low Temp11°C52°F
Avg Temp16°C61°F
Sunshine Hours180 hours 
Rainfall152.14 mm5.99 In
Rain days10 days 
Pressure1014 mb30 In

 

Grinnell May Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200920°C / 68°F11°C / 51°F15°C / 60°F218 hours117.69 mm / 4.63 In7 days1015 mb / 30 In
201021°C / 70°F11°C / 52°F16°C / 61°F250 hours122.41 mm / 4.82 In8 days1014 mb / 30 In
201120°C / 68°F10°C / 51°F15°C / 59°F195 hours115.28 mm / 4.54 In9 days1012 mb / 30 In
201224°C / 75°F13°C / 56°F18°C / 65°F249 hours105.97 mm / 4.17 In5 days1013 mb / 30 In
201320°C / 67°F11°C / 52°F15°C / 59°F141 hours310.47 mm / 12.22 In14 days1013 mb / 30 In
201421°C / 69°F11°C / 52°F16°C / 60°F159 hours125.05 mm / 4.92 In11 days1014 mb / 30 In
201521°C / 70°F12°C / 54°F16°C / 62°F186 hours179.83 mm / 7.08 In15 days1016 mb / 30 In
201620°C / 69°F11°C / 52°F16°C / 60°F180 hours108.17 mm / 4.26 In10 days1015 mb / 30 In
201720°C / 68°F10°C / 51°F15°C / 59°F212 hours126.80 mm / 4.99 In6 days1011 mb / 30 In
201825°C / 77°F15°C / 60°F20°C / 68°F213 hours177.77 mm / 7.00 In13 days1013 mb / 30 In
201919°C / 67°F10°C / 50°F15°C / 58°F142 hours230.16 mm / 9.06 In12 days1013 mb / 30 In
202018°C / 65°F10°C / 51°F14°C / 58°F90 hours154.10 mm / 6.07 In12 days1016 mb / 30 In
202118°C / 65°F11°C / 51°F14°C / 58°F93 hours154.14 mm / 6.07 In15 days1018 mb / 31 In
202221°C / 69°F12°C / 53°F16°C / 62°F131 hours118.34 mm / 4.66 In12 days1012 mb / 30 In
202322°C / 72°F11°C / 52°F17°C / 62°F194 hours92.25 mm / 3.63 In5 days1017 mb / 30 In
202420°C / 69°F11°C / 53°F16°C / 61°F173 hours223.76 mm / 8.81 In6 days1010 mb / 30 In
202519°C / 67°F10°C / 50°F15°C / 58°F133 hours186.66 mm / 7.35 In3 days1015 mb / 30 In
202622°C / 71°F11°C / 52°F16°C / 62°F289 hours89.73 mm / 3.53 In8 days1014 mb / 30 In

Need more than one day of Grinnell history?

Download historical weather for Grinnell, 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 Grinnell

Region

Iowa

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Grinnell weather history: common questions

How far back does Grinnell 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 Grinnell 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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