Costa Mesa
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Costa Mesa Weather in June

In Costa Mesa, June brings high daytime temperatures around 24°C (75°F), with nights cooling to 17°C (63°F). Minimal rainfall is to be expected.

Rainfall in Costa Mesa in June

Past climate data indicates that roughly 0 days will see rain, totalling around 0.3 mm (0.01 in) for the month. Any rain that does arrive is likely to be light drizzle rather than a proper shower.

Temperature in Costa Mesa in June

June is a excellent month in Costa Mesa, with 24°C (75°F) during the day and 17°C (63°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Costa Mesa in June

With approximately 301 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If you favor pleasant temperatures and minimal rainfall, June is one of the best months to visit Costa Mesa.

Costa Mesa Temperature in June

Min Temperature
17°C (63°F)
Max Temperature
24°C (75°F)
Chance of Rain
1%
Precipitation
0.3 mm (0.01 in)
Rainy days
0 days
Sunshine
301 hours *
Percentage Sunshine
*
* Data from: Corona, the United States of America (39 KM, 24 Miles).

Costa Mesa Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Costa Mesa - and find the best time to visit.

Best Places in the United States of America in June

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in June →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Costa Mesa in June

Pleasant temperatures in June mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Costa Mesa in June

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    10/10
  • Walking
    10/10
  • Barbeque
    9/10
  • Camping
    10/10
  • Outdoor sports
    10/10

Costa Mesa 3-Day Forecast

More climate data for Costa Mesa

Popular in June

Where to go in June - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.