June weather in Costa Mesa, CA

The average temperature in Costa Mesa in June is 68.3°F (62.6°F–74.1°F). Average precipitation: 0.01 inches.

June is a summer month in Costa Mesa, and is warmer than the annual average of 64.9°F. Daily temperatures swing about 11.5°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 14h 12m. For travel, June is one of the best months of the year to visit.

Avg High
74.1°F
Avg Low
62.6°F
Precipitation
0.01 in
Daylight
14h 12m

June records in Costa Mesa

Date Record High Record Low Record Precip
June 1 87.1°F (2025) 55.0°F (2011) 0.03 in (2009)
June 2 81.0°F (2006) 54.0°F (2011) 0.10 in (1999)
June 3 89.1°F (2006) 54.0°F (1999) 0.02 in (1999)
June 4 80.1°F (2006) 55.0°F (1999) 0.00 in (1999)
June 5 77.0°F (2002) 54.0°F (1999) 0.01 in (2020)
June 6 78.1°F (2000) 55.9°F (1999) 0.00 in (1999)
June 7 77.0°F (2000) 55.9°F (2007) 0.01 in (2024)
June 8 93.0°F (2020) 57.0°F (1999) 0.00 in (1999)
June 9 96.1°F (2020) 57.9°F (2000) 0.02 in (2006)
June 10 93.0°F (2019) 57.9°F (1999) 0.00 in (1999)
June 11 84.9°F (2020) 55.9°F (2001) 0.01 in (2016)
June 12 81.0°F (2021) 57.9°F (1999) 0.02 in (2023)
June 13 79.0°F (2005) 57.9°F (2017) 0.00 in (1999)
June 14 88.0°F (2018) 59.0°F (1999) 0.00 in (1999)
June 15 91.0°F (2021) 55.9°F (2005) 0.00 in (1999)
June 16 84.0°F (2006) 59.0°F (2016) 0.00 in (1999)
June 17 82.9°F (2016) 60.1°F (1999) 0.00 in (1999)
June 18 87.1°F (2008) 59.0°F (2005) 0.00 in (1999)
June 19 95.0°F (2016) 57.9°F (2005) 0.00 in (1999)
June 20 96.1°F (2016) 59.0°F (1999) 0.00 in (1999)
June 21 95.0°F (2008) 59.0°F (1999) 0.01 in (2019)
June 22 90.0°F (2008) 57.9°F (2007) 0.00 in (1999)
June 23 88.0°F (2024) 57.9°F (1999) 0.01 in (2003)
June 24 89.1°F (2024) 59.0°F (2023) 0.01 in (2013)
June 25 93.0°F (2006) 60.1°F (2005) 0.00 in (1999)
June 26 87.1°F (2006) 57.9°F (2012) 0.00 in (1999)
June 27 96.1°F (2006) 60.1°F (1999) 0.00 in (1999)
June 28 90.0°F (2008) 61.0°F (1999) 0.00 in (1999)
June 29 84.0°F (2006) 61.0°F (1999) 0.00 in (1999)
June 30 89.1°F (2015) 59.0°F (2005) 0.00 in (1999)

Other months in Costa Mesa