Camp Pendleton Mainside, CA climate
Camp Pendleton Mainside has warm winters and pleasant summers, with very little rain. A typical July afternoon reaches 82°, a January night drops to 47°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Camp Pendleton Mainside feels like
Winter
Spring
Summer
Fall
Camp Pendleton Mainside weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 68° | 47° | 2.6" | 0 | 6 | 0 | 54° – 62° |
| February | 67° | 47° | 2.9" | 0 | 7 | 0 | 52° – 64° |
| March | 69° | 49° | 1.7" | 0 | 6 | 0 | 54° – 65° |
| April | 71° | 51° | 0.8" | 0 | 4 | 0 | 57° – 65° |
| May | 73° | 55° | 0.3" | 0 | 3 | 0 | 60° – 69° |
| June | 77° | 58° | 0.1" | 0 | 1 | 0 | 65° – 71° |
| July | 82° | 62° | 0.1" | 0 | 1 | 0 | 69° – 78° |
| August | 84° | 63° | 0.0" | 0 | 0 | 0 | 71° – 76° |
| September | 83° | 61° | 0.1" | 0 | 1 | 0 | 69° – 76° |
| October | 78° | 56° | 0.5" | 0 | 2 | 0 | 63° – 73° |
| November | 73° | 50° | 0.9" | 0 | 4 | 0 | 56° – 65° |
| December | 67° | 46° | 1.8" | 0 | 6 | 0 | 54° – 61° |
| Year | 74° | 54° | 11.7" | 0.0" | 41 | 0 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Camp Pendleton Mainside
Camp Pendleton Mainside gets 12 inches of rain and melted snow a year. February is the wettest month and August the driest. Rain or snow falls on about 41 days a year.
A year-round growing season
Heating and cooling a home in Camp Pendleton Mainside
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Camp Pendleton Mainside, 67% of that work is heating and 33% is cooling.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Camp Pendleton Mainside compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Camp Pendleton Mainside averaged 1.8° warmer than the 1900s. The biggest change is in January (+2.8°). The shift is larger than in 87% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Camp Pendleton Mainside’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 52° to 64°. August is the most reliable, staying within 6°.
Common questions about Camp Pendleton Mainside’s climate
What is the coldest month in Camp Pendleton Mainside?
December, with a typical high of 67° and a low of 46°.
What is the hottest month in Camp Pendleton Mainside?
August, with a typical high of 84° and a low of 63°. About 19 days a year reach 90°.
How much snow does Camp Pendleton Mainside get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Camp Pendleton Mainside?
Frost is uncommon. Only 35% of years see a night at 32° or below.
What is the rainiest month in Camp Pendleton Mainside?
February, with 2.9 inches of rain and melted snow. The year totals 12 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Camp Pendleton Mainside itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Escondido #2, CA (19 mi, snow) and Vista, CA (7 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.