Hyperlocal rainfall totals + real-time NOAA forecasts
Accurate weather without the clutter
Moreno Valley, CA Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Moreno Valley, CA?
August is the warmest month (average high 94°F) and December the coldest (average low 38°F).
Moreno Valley climate at a glance
How much rain does Moreno Valley get?
Moreno Valley gets 10.7 in of precipitation in an average year.
February is the wettest month, with 2.4 in. June is the driest, with 0.1 in.
The longest dry spell in the last five years lasted 125 days, to September 7, 2024.
From September 2025 to August 2026 Moreno Valley got 9.6 in of rain, against a normal of 10.7 in for those months. February 2026 had the most, with 2.8 in.
See where Moreno Valley ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in California.
Moreno Valley weather by month
Moreno Valley weather in August
In August, Moreno Valley averages a high of 94°F and a low of 62°F. It gets 0.4 in of precipitation. Estimated sunshine is 81% of daylight hours, derived from ERA5 cloud cover. The August record high is 110°F (2020) and the record low is 51°F (2024).
Moreno Valley weather in September
In September, Moreno Valley averages a high of 92°F and a low of 59°F. It gets 0.2 in of precipitation. Estimated sunshine is 81% of daylight hours, derived from ERA5 cloud cover. The September record high is 116°F (2020) and the record low is 43°F (2017).
Moreno Valley weather in October
In October, Moreno Valley averages a high of 83°F and a low of 50°F. It gets 0.5 in of precipitation. Estimated sunshine is 77% of daylight hours, derived from ERA5 cloud cover. The October record high is 108°F (2024) and the record low is 34°F (2019).
Moreno Valley weather in November
In November, Moreno Valley averages a high of 74°F and a low of 41°F. It gets 0.7 in of precipitation. Estimated sunshine is 71% of daylight hours, derived from ERA5 cloud cover. The November record high is 93°F (2020) and the record low is 26°F (2012).
Moreno Valley weather in December
In December, Moreno Valley averages a high of 67°F and a low of 38°F. It gets 1.8 in of precipitation. Estimated sunshine is 53% of daylight hours, derived from ERA5 cloud cover. The December record high is 86°F (2021) and the record low is 22°F (2011).
Sunshine, humidity and wind in Moreno Valley
July is the sunniest month in Moreno Valley, with estimated sunshine of 82% of daylight hours from ERA5 cloud cover. March is the cloudiest, at 50%. The annual cloud-cover estimate is 69% of daylight hours; it is not a measurement of sunshine duration. Moreno Valley is sunnier than 96% of the US.
Humidity peaks in March at 54% and is lowest in November at 32%.
Moreno Valley has about 91 days a year above 90°F. Moreno Valley is hotter than 89% of the US.
Thunderstorms occur on about 7 days a year.
See where Moreno Valley ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.
First and last freeze in Moreno Valley
The first fall freeze in Moreno Valley typically comes around November 19, and the last spring freeze around March 3. That leaves a frost-free growing season of about 261 days.
Moreno Valley weather records
These records cover MARCH AFB during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Moreno Valley station is 116°F, on September 6, 2020. The coldest is 19°F, on February 5, 2020.
The wettest day in the available station history brought 2.3 in of precipitation, on August 30, 2012.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Wind | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|---|
| January | — | — | 2.0 in | — | — | 44% | 56% | 86° | 21° |
| February | — | — | 2.4 in | — | — | 39% | 62% | 88° | 19° |
| March | — | — | 1.5 in | — | — | 54% | 50% | 100° | 27° |
| April | — | — | 0.76 in | — | — | 49% | 65% | 97° | 27° |
| May | — | — | 0.27 in | — | — | 50% | 71% | 102° | 38° |
| June | — | — | 0.07 in | — | — | 44% | 77% | 111° | 43° |
| July | — | — | 0.13 in | — | — | 39% | 82% | 112° | 49° |
| August | 62° | 94° | 0.36 in | — | — | 40% | 81% | 110° | 51° |
| September | 59° | 92° | 0.16 in | 1 | 5 mph | 40% | 81% | 116° | 43° |
| October | 50° | 83° | 0.47 in | 1 | 4 mph | 37% | 77% | 108° | 34° |
| November | 41° | 74° | 0.67 in | 3 | 4 mph | 32% | 71% | 93° | 26° |
| December | 38° | 67° | 1.8 in | 5 | 4 mph | 41% | 53% | 86° | 22° |
Station: MARCH AFB, 5 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Moreno Valley climate questions
How much rain does Moreno Valley get?
Moreno Valley gets 10.7 in of precipitation in an average year.
What is the wettest month in Moreno Valley?
February is the wettest month in Moreno Valley, with 2.4 in. June is the driest, with 0.1 in.
What is the hottest month in Moreno Valley?
August is the warmest month in Moreno Valley, with an average high of 94°F.
What is the coldest month in Moreno Valley?
December is the coldest month in Moreno Valley, with an average low of 38°F.
What is the record high temperature in Moreno Valley?
Within the available 1970–2026 station history, the record high at the Moreno Valley station is 116°F, set on September 6, 2020. The record low is 19°F, on February 5, 2020.
What is the sunniest month in Moreno Valley?
July is the sunniest month in Moreno Valley, with estimated sunshine of 82% of daylight hours from ERA5 cloud cover. March is the cloudiest.
When is the first frost in Moreno Valley?
The first fall freeze in Moreno Valley typically comes around November 19. The last spring freeze is around March 3.