Climateby Month

Costa Mesa, CA weather in February

NOAA 1991-2020 normals and daily records · Costa Mesa all year

Expect mild weather with some rain in Costa Mesa in February, with highs near 69°F and lows near 50°F. Rain falls on about 7 days. It is one of the coolest months in Costa Mesa. Great for outdoor plans.

Normal high
69°F
Normal low
50°F
Wet days
7
2.4 in total
Muggy days
0
dew point 65°F+

How February changes from start to finish

Normal values at the start and end of February
February 1February 28
Normal high69°F70°F
Normal low49°F51°F
Chance of a wet day21%22%
Sunrise / sunset6:47 am / 5:22 pm6:21 am / 5:47 pm
Daylight10.6 h11.4 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).

A typical February day

  1. 6 am52°Fdew point 43°F
  2. 9 am58°Fdew point 44°F
  3. Noon63°Fdew point 44°F
  4. 3 pm62°Fdew point 47°F
  5. 6 pm58°Fdew point 48°F
  6. 9 pm57°Fdew point 47°F

NOAA hourly normals (local standard time) from Los Angeles Intl Airport (34 mi away); average wind 7 mph; clear or few clouds in 34% of daytime hours, mostly cloudy or overcast in 44%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F18 of 28
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph4 of 28
  • Hot dayshigh 90°F or more1 of 28
  • Muggy daysdaily mean dew point 65°F or more0 of 28
  • Wet daysat least 0.01 in of rain or melted snow7 of 28
  • Notable rainat least 0.10 in4 of 28
  • Freezing nightslow 32°F or below0 of 28

Average days per February, counted from daily records for each year 1991-2020.

Rain in February

Normal precipitation is 2.4 in; a dry February brings about 0.4 in and a wet one about 3.5 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.

How February varies from year to year

  • Warmest February, 1991-20202016: average high 80°F
  • Coolest February2019: average high 64°F
  • Wettest February1992: 6.2 in
  • Driest February2016: no measurable precipitation
  • Highest reading95°F (February 16, 2016)
  • Lowest reading35°F (February 1, 2002)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

February compared with January and March

JanuaryFebruaryMarch
Normal high69°F69°F71°F
Normal low49°F50°F52°F
Wet days775
Comfortable days201823
Daylight10.2 h11.0 h12.0 h

Highs change by 0°F from January and +2°F into March.

Nearby alternatives in February

How Costa Mesa ranks in February

  • Normal high42nd warmest of 378 cities; 6th of 60 in California
  • Wet days78th driest of 378
  • Comfortable days10th most of 340

Heating and cooling

February has 170 heating degree days and 13 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.

Questions

How cold is Costa Mesa in February?

The normal high is 69°F and the normal low is 50°F. From 1991 to 2020 the coldest February reading was 35°F (February 1, 2002).

Does it rain a lot in Costa Mesa in February?

About 7 days in February have at least 0.01 in of precipitation, and the normal total is 2.4 in. The wettest February in 1991-2020 was in 1992 (6.2 in); the driest was in 2016, with no measurable precipitation.

Is February a good time to visit Costa Mesa?

February ranks 7th of 12 months on our comfort score for Costa Mesa (71 out of 100). It has about 18 comfortable days and about 1 day at 90°F or hotter. The best month is May.

Where the numbers come from

  • Temperature: Santa Ana Fire Stn (USC00047888), 7.7 mi NNE of the city center, 135 ft . NOAA normals and daily records, 1991-2020.
  • Rain, snowfall and snow depth: Newport Beach Harbor (USC00046175), 3.3 mi SE of the city center, 10 ft (90 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Frost dates: Santa Ana John Wayne Airport (USW00093184), 4.0 mi NE of the city center, 54 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Los Angeles Intl Airport (USW00023174), 34 mi NW of the city center, 97 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: J. Wayne Apt-Orange Co Apt (722977-93184), 4.0 mi NE of the city center, 43 ft (57 ft lower than the city). Hourly observations, 1991-2020.