Las Lomas, CA climate
Las Lomas has warm winters and cool summers, with very little rain. A typical July afternoon reaches 71°, a January night drops to 41°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Las Lomas feels like
Winter
Spring
Summer
Fall
Las Lomas 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 | 62° | 41° | 4.3" | 0 | 11 | 0 | 47° – 56° |
| February | 63° | 43° | 4.1" | 0 | 11 | 0 | 49° – 58° |
| March | 65° | 44° | 3.2" | 0 | 10 | 0 | 50° – 59° |
| April | 67° | 45° | 1.4" | 0 | 6 | 0 | 52° – 60° |
| May | 69° | 49° | 0.5" | 0 | 3 | 0 | 55° – 63° |
| June | 71° | 51° | 0.1" | 0 | 1 | 0 | 58° – 63° |
| July | 71° | 54° | 0.0" | 0 | 1 | 0 | 60° – 66° |
| August | 73° | 54° | 0.0" | 0 | 1 | 0 | 61° – 68° |
| September | 75° | 53° | 0.1" | 0 | 1 | 0 | 61° – 68° |
| October | 73° | 49° | 0.9" | 0 | 3 | 0 | 58° – 66° |
| November | 67° | 44° | 2.0" | 0 | 7 | 0 | 49° – 58° |
| December | 61° | 40° | 4.2" | 0 | 10 | 0 | 47° – 54° |
| Year | 68° | 47° | 20.9" | 0.0" | 64 | 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 Las Lomas
Las Lomas gets 21 inches of rain and melted snow a year. January is the wettest month and July the driest. Rain or snow falls on about 64 days a year.
About 324 frost-free days a year
In half of years the last 32° night comes by January 28 and the first one by December 13. That leaves about 324 frost-free days for gardens, longer than 96% of U.S. towns.
Heating and cooling a home in Las Lomas
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Las Lomas, 95% of that work is heating and 5% is cooling, so the furnace matters far more than the air conditioner.
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 Las Lomas 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 Las Lomas averaged 1.9° warmer than the 1900s. The biggest change is in January (+2.8°). The shift is larger than in 91% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Las Lomas’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 50° to 59°. June is the most reliable, staying within 6°.
Common questions about Las Lomas’s climate
What is the coldest month in Las Lomas?
December, with a typical high of 61° and a low of 40°.
What is the hottest month in Las Lomas?
September, with a typical high of 75° and a low of 53°. About 7 days a year reach 90°.
How much snow does Las Lomas get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Las Lomas?
In half of years the first 32° night comes by December 13, and the last spring frost by January 28.
What is the rainiest month in Las Lomas?
January, with 4.3 inches of rain and melted snow. The year totals 21 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Las Lomas itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Watsonville Wtr Wks, CA (5 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.