Riverside CA Recent April Temperatures, Rainfall

The numbers here describe what the April weather in Riverside, California was like for every year since 2010. A series of tables gives April 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 April. 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

April temperature averages by year in Riverside
High °F	Low °F	Year	High °C	Low °C
76	49	2023	24	9
79	53	2022	26	11
78	51	2021	26	11
74	53	2020	23	12
78	52	2019	25	11
79	52	2018	26	11
81	52	2017	27	11
80	53	2016	26	12
79	52	2015	26	11
80	52	2014	27	11
78	52	2013	25	11
78	51	2012	26	11
76	52	2011	24	11
72	48	2010	22	9

Number of days in April when the temperature in Riverside rose to at least 70 or 90 degrees Fahrenheit
Year	70 °F 21 °C	90 °F 32 °C
2023	23	2
2022	26	5
2021	23	3
2020	16	5
2019	23	3
2018	26	4
2017	30	3
2016	25	6
2015	24	3
2014	26	6
2013	24	1
2012	23	3
2011	23	4
2010	18	0

Rain

This table gives the total precipitation that fell on Riverside during April 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 April in Riverside
Days	Year	Inches	Millimetres
2	2023	0.0	1
1	2022	0.2	5
0	2021	0.0	0
6	2020	2.7	67
2	2019	0.0	1
0	2018	0.0	0
1	2017	0.1	3
6	2016	0.5	12
2	2015	0.4	9
3	2014	0.4	9
0	2013	0.0	0
4	2012	0.9	22
2	2011	0.0	1
7	2010	1.0	25

Riverside - Recent April Temperatures and Rainfall

Temperature

Rain

Reference

More on Weather in Riverside