Riverside - Recent May Temperatures and Rainfall





The numbers here describe what the May weather in Riverside, California was like for every year since 2010. A series of tables gives May data by year for temperature and precipitation.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many hot days occurred each May. Then there's information on how much rain actually landed this month during recent years, as well as how often Riverside had wet weather.

The climate data come from weather measurements made at the Riverside Municipal Airport.

Temperature Weather iconTemperature

May temperature averages by year in Riverside
High °F Low °F Year High °C Low °C
78 55 2018 25 13
81 55 2017 27 13
78 56 2016 26 13
76 55 2015 24 13
86 58 2014 30 14
84 58 2013 29 14
83 56 2012 28 13
78 53 2011 26 12
78 53 2010 26 11
Number of days in May when the temperature in Riverside rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2018 26 3
2017 26 9
2016 28 2
2015 22 3
2014 30 14
2013 29 7
2012 27 7
2011 26 4
2010 29 2

Rainy Weather iconRain

This table gives the total precipitation that fell on Riverside during May in each year from 2010. The number of days with precipitation counts the days when rainfall amounted to 0.01 inches (0.3 millimeters) or more.

Total rainfall for May in Riverside
Days Year Inches Milli­metres
4 2018 0.2 4
2 2017 0.0 1
2 2016 0.2 5
4 2015 0.6 15
0 2014 0.0 0
2 2013 0.1 3
1 2012 0.0 1
4 2011 0.3 8
2 2010 0.1 3
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

Riverside - Recent Years
Riverside - Extremes
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