San Diego - Recent May Temperatures and Rainfall

The numbers here describe what the May weather in San Diego, 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 San Diego had wet weather.

The climate data come from weather measurements made at San Diego's International Airport.

Temperature Weather iconTemperature

May temperature averages by year in San Diego
High °F Low °F Year High °C Low °C
67 59 2023 19 15
67 57 2022 20 14
69 61 2021 21 16
74 63 2020 23 17
68 59 2019 20 15
68 59 2018 20 15
70 60 2017 21 16
69 61 2016 20 16
68 60 2015 20 15
76 63 2014 24 17
70 61 2013 21 16
68 60 2012 20 15
70 59 2011 21 15
67 58 2010 19 14
Number of days in May when the temperature in San Diego rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2023 2 0
2022 4 0
2021 11 0
2020 31 0
2019 7 0
2018 8 0
2017 17 0
2016 14 0
2015 7 0
2014 22 6
2013 15 0
2012 4 0
2011 11 0
2010 5 0

Rainy Weather iconRain

This table gives the total precipitation that fell on San Diego 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 San Diego
Days Year Inches Milli­metres
3 2023 0.1 2
1 2022 0.0 1
3 2021 0.1 2
1 2020 0.0 1
9 2019 0.8 20
3 2018 0.1 3
4 2017 0.9 23
3 2016 0.4 11
7 2015 2.4 61
0 2014 0.0 0
3 2013 0.3 7
1 2012 0.0 1
4 2011 0.4 9
1 2010 0.0 0
Reference

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

San Diego - Recent Years
San Diego - Extremes
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