Rialto May Weather Averages

California, United States of America

May Weather Averages for Rialto

High Temp26°C78°F
Low Temp11°C52°F
Avg Temp18°C65°F
Sunshine Hours330 hours 
Rainfall11.80 mm0.46 In
Rain days1 days 
Pressure1012 mb30 In

 

Rialto May Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200929°C / 84°F11°C / 53°F20°C / 67°F357 hours0.40 mm / 0.02 In0 days1012 mb / 30 In
201025°C / 77°F8°C / 46°F16°C / 60°F341 hours2.30 mm / 0.09 In1 days1013 mb / 30 In
201123°C / 73°F8°C / 47°F15°C / 60°F334 hours11.30 mm / 0.44 In3 days1013 mb / 30 In
201227°C / 81°F11°C / 52°F19°C / 66°F362 hours1.50 mm / 0.06 In0 days1011 mb / 30 In
201327°C / 81°F11°C / 53°F19°C / 66°F337 hours8.80 mm / 0.35 In1 days1012 mb / 30 In
201428°C / 82°F12°C / 53°F19°C / 67°F354 hours1.40 mm / 0.06 In0 days1013 mb / 30 In
201523°C / 74°F11°C / 51°F16°C / 62°F280 hours46.30 mm / 1.82 In3 days1012 mb / 30 In
201624°C / 75°F12°C / 53°F17°C / 63°F329 hours20.40 mm / 0.80 In1 days1012 mb / 30 In
201726°C / 80°F12°C / 54°F19°C / 66°F310 hours16.30 mm / 0.64 In2 days1011 mb / 30 In
201825°C / 77°F13°C / 56°F19°C / 65°F330 hours4.90 mm / 0.19 In0 days1013 mb / 30 In
201922°C / 71°F12°C / 53°F16°C / 61°F282 hours51.60 mm / 2.03 In8 days1011 mb / 30 In
202028°C / 82°F15°C / 58°F21°C / 71°F339 hours7.30 mm / 0.29 In1 days1012 mb / 30 In
202126°C / 79°F13°C / 55°F20°C / 67°F346 hours2.10 mm / 0.08 In0 days1013 mb / 30 In
202228°C / 82°F11°C / 52°F19°C / 66°F355 hours0.60 mm / 0.02 In0 days1012 mb / 30 In
202324°C / 76°F10°C / 50°F17°C / 62°F295 hours26.40 mm / 1.04 In2 days1013 mb / 30 In
202425°C / 77°F9°C / 48°F17°C / 62°F352 hours5.08 mm / 0.20 In0 days1012 mb / 30 In
202525°C / 77°F13°C / 55°F18°C / 65°F253 hours1.26 mm / 0.05 In0 days1013 mb / 30 In
202626°C / 79°F13°C / 55°F19°C / 66°F387 hours4.40 mm / 0.17 In2 days1013 mb / 30 In

Need more than one day of Rialto history?

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

  • Historical weatherDaily and hourly interval data.
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  • Monthly climate averagesLong-term climate normals by month.
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Weather history near Rialto

Region

California

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Rialto weather history: common questions

How far back does Rialto 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 Rialto 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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