Moreno Valley, CA Weather by Month and Climate Averages
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.
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. The sun is out about 81% of daylight hours. 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. The sun is out about 81% of daylight hours. 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. The sun is out about 77% of daylight hours. 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. The sun is out about 71% of daylight hours. 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. The sun is out about 53% of daylight hours. 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 sunshine about 82% of daylight hours. March is the cloudiest, at 50%. Over the year the sun shines about 69% of daylight hours. 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 92 days a year above 90°F. Moreno Valley is hotter than 90% 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
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 on record brought 2.3 in of rain, on August 30, 2012.
Monthly climate
| Month | Precip | Rain days | Wind | Humidity | 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 | 0.36 in | — | — | 40% | 81% | 110° | 51° |
| September | 0.16 in | 1 | 5 mph | 40% | 81% | 116° | 43° |
| October | 0.47 in | 1 | 4 mph | 37% | 77% | 108° | 34° |
| November | 0.67 in | 3 | 4 mph | 32% | 71% | 93° | 26° |
| December | 1.8 in | 5 | 4 mph | 41% | 53% | 86° | 22° |
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?
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 sunshine about 82% of daylight hours. 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.
Source: NOAA GHCN-Daily station MARCH AFB (5 km away).
Climate for places near Moreno Valley, CA
Normals from NOAA GHCN-Daily station MARCH AFB.