West Rancho Dominguez, CA climate
West Rancho Dominguez has warm winters and pleasant summers, with very little rain. A typical July afternoon reaches 82°, a January night drops to 48°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in West Rancho Dominguez feels like
Winter
Spring
Summer
Fall
West Rancho Dominguez 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 | 69° | 48° | 2.9" | 0 | 6 | 0 | 55° – 63° |
| February | 68° | 49° | 3.3" | 0 | 5 | 0 | 54° – 64° |
| March | 70° | 51° | 1.9" | 0 | 4 | 0 | 55° – 67° |
| April | 73° | 53° | 0.6" | 0 | 2 | 0 | 58° – 67° |
| May | 74° | 56° | 0.2" | 0 | 1 | 0 | 62° – 70° |
| June | 77° | 60° | 0.0" | 0 | 0 | 0 | 65° – 72° |
| July | 82° | 63° | 0.0" | 0 | 1 | 0 | 69° – 77° |
| August | 83° | 64° | 0.0" | 0 | 0 | 0 | 71° – 77° |
| September | 83° | 62° | 0.1" | 0 | 0 | 0 | 69° – 78° |
| October | 79° | 58° | 0.5" | 0 | 1 | 0 | 64° – 75° |
| November | 74° | 52° | 0.8" | 0 | 3 | 0 | 57° – 66° |
| December | 68° | 47° | 2.1" | 0 | 4 | 0 | 55° – 61° |
| Year | 75° | 55° | 12.4" | 0.0" | 28 | 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 West Rancho Dominguez
West Rancho Dominguez 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 28 days a year.
A year-round growing season
Heating and cooling a home in West Rancho Dominguez
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In West Rancho Dominguez, 50% of that work is heating and 50% 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.
West Rancho Dominguez and its neighbors
West Rancho Dominguez borders 4 towns with climate data. January nights across them vary by 1.2°. Willowbrook has both the coldest January nights (47°) and the hottest July afternoons (84°). West Rancho Dominguez’s January low is 48° and its July high 82°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How West Rancho Dominguez 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 West Rancho Dominguez averaged 2.4° warmer than the 1900s. The biggest change is in January (+3.2°). The shift is larger than in 99% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at West Rancho Dominguez’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. March swings the most: between 1991 and 2020 its average temperature ranged from 55° to 67°. August is the most reliable, staying within 7°.
Common questions about West Rancho Dominguez’s climate
What is the coldest month in West Rancho Dominguez?
December, with a typical high of 68° and a low of 47°.
What is the hottest month in West Rancho Dominguez?
August, with a typical high of 83° and a low of 64°. About 23 days a year reach 90°.
How much snow does West Rancho Dominguez get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in West Rancho Dominguez?
Frost is uncommon. Only 1% of years see a night at 32° or below.
What is the rainiest month in West Rancho Dominguez?
February, with 3.3 inches of rain and melted snow. The year totals 12 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for West Rancho Dominguez itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Palos Verdes Es Fc43d, CA (10 mi, snow) and Long Beach Daugherty Fld, CA (9 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.