Moreno Valley, CA climate
Moreno Valley has warm winters and hot summers, with very little rain. A typical July afternoon reaches 95°, a January night drops to 42°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decade9° warmer than normal today. The forecast high is 96°, and a typical Oct 1 in Moreno Valley peaks around 87°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
What a year in Moreno Valley feels like
Winter
Spring
Summer
Fall
Moreno Valley 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 | 66° | 42° | 3.1" | 0 | 7 | 0 | 50° – 61° |
| February | 66° | 43° | 3.6" | 0 | 8 | 0 | 48° – 64° |
| March | 70° | 46° | 2.1" | 0 | 6 | 0 | 51° – 65° |
| April | 75° | 49° | 0.9" | 0 | 4 | 0 | 56° – 65° |
| May | 80° | 53° | 0.3" | 0 | 3 | 0 | 60° – 73° |
| June | 88° | 58° | 0.1" | 0 | 1 | 0 | 67° – 78° |
| July | 95° | 63° | 0.1" | 0 | 1 | 0 | 74° – 85° |
| August | 97° | 64° | 0.1" | 0 | 1 | 0 | 78° – 85° |
| September | 92° | 61° | 0.2" | 0 | 1 | 0 | 73° – 80° |
| October | 82° | 54° | 0.5" | 0 | 3 | 0 | 64° – 73° |
| November | 73° | 47° | 0.9" | 0 | 4 | 0 | 52° – 65° |
| December | 65° | 41° | 2.3" | 0 | 6 | 0 | 49° – 61° |
| Year | 79° | 52° | 14.2" | 0.0" | 43 | 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 Moreno Valley
Moreno Valley gets 14 inches of rain and melted snow a year. February is the wettest month and June the driest. Rain or snow falls on about 43 days a year.
A year-round growing season
Heating and cooling a home in Moreno Valley
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Moreno Valley, 48% of that work is heating and 52% 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.
Moreno Valley and its neighbors
Moreno Valley borders 3 towns with climate data. January nights across them vary by 1.9°. Perris has the coldest January nights (41°) and March ARB the hottest July afternoons (94°). Moreno Valley’s January low is 42° and its July high 95°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Moreno Valley 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 Moreno Valley averaged 2.0° warmer than the 1900s. The biggest change is in January (+2.8°). The shift is larger than in 93% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Moreno Valley’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 48° to 64°. August is the most reliable, staying within 7°.
Common questions about Moreno Valley’s climate
What is the coldest month in Moreno Valley?
December, with a typical high of 65° and a low of 41°.
What is the hottest month in Moreno Valley?
August, with a typical high of 97° and a low of 64°. About 104 days a year reach 90°.
How much snow does Moreno Valley get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Moreno Valley?
Frost is uncommon. Only 88% of years see a night at 32° or below.
What is the rainiest month in Moreno Valley?
February, with 3.6 inches of rain and melted snow. The year totals 14 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Moreno Valley itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Redlands, CA (8 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.