Riverside CA Recent May Temperatures, 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

May temperature averages by year in Riverside
High °F	Low °F	Year	High °C	Low °C
76	54	2023	24	12
81	55	2022	27	13
80	55	2021	27	13
86	57	2020	30	14
74	53	2019	23	11
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
2023	25	0
2022	29	3
2021	29	4
2020	31	9
2019	21	0
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

Rain

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
3	2023	0.5	12
0	2022	0.0	0
0	2021	0.0	0
0	2020	0.0	0
4	2019	0.4	11
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

Riverside - Recent May Temperatures and Rainfall

Temperature

Rain

Reference

More on Weather in Riverside