Temecula, California climate: NOAA's gridded normals for the city, beside the nearest station records
NOAA's gridded 1991-2020 normals put Temecula's center at January lows of 43°F and July highs of 91°F, a yearly mean of 64.5°F and 12.7 inches of precipitation. No NOAA station keeps a record under the city's name. The nearest station record, Fallbrook (5 miles SW, 1,140 ft), has January lows of 47°F and July highs of 87°F.
112,431 people (Census Bureau 2024). Distances and directions are from the city's center.
- Jan 67° 43°
- Feb 67° 43°
- Mar 70° 46°
- Apr 74° 48°
- May 78° 52°
- Jun 84° 56°
- Jul 91° 61°
- Aug 92° 62°
- Sep 89° 60°
- Oct 82° 54°
- Nov 74° 47°
- Dec 66° 42°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
The months above are NOAA's gridded normals at Temecula's center.
What is each month like in Temecula?
NOAA's grid estimates the normals every 5 km or so from the stations around each point, terrain included. It smooths between stations, so night lows at the heart of a large city can run warmer than the grid shows: at five big-city airports we compared, the grid's highs were within about 1°F of the station and its lows 1-6°F cooler. The nearest record's high and low are beside each month.
| Month | High | Low | Mean | Precip. | Fallbrook high | Fallbrook low |
|---|---|---|---|---|---|---|
| January | 67°F | 43°F | 54.9°F | 2.72 | 68°F | 47°F |
| February | 67°F | 43°F | 55.0°F | 3.23 | 67°F | 46°F |
| March | 70°F | 46°F | 57.7°F | 1.96 | 70°F | 48°F |
| April | 74°F | 48°F | 60.9°F | 0.86 | 72°F | 51°F |
| May | 78°F | 52°F | 65.2°F | 0.28 | 75°F | 53°F |
| June | 84°F | 56°F | 70.3°F | 0.03 | 81°F | 56°F |
| July | 91°F | 61°F | 75.9°F | 0.07 | 87°F | 60°F |
| August | 92°F | 62°F | 77.4°F | 0.06 | 89°F | 62°F |
| September | 89°F | 60°F | 74.6°F | 0.15 | 88°F | 62°F |
| October | 82°F | 54°F | 67.8°F | 0.55 | 83°F | 58°F |
| November | 74°F | 47°F | 60.2°F | 0.99 | 74°F | 52°F |
| December | 66°F | 42°F | 54.0°F | 1.79 | 67°F | 46°F |
In metric: a yearly mean of 18.1°C, January lows of 6°C, July highs of 33°C and 323 mm of precipitation a year.
Source: NOAA NCEI U.S. Monthly Gridded Climate Normals 1991-2020 (nClimGrid, accession 0245564); NOAA NCEI 1991-2020 station normals. The grid cell holding the city's Census center point.
What do the station records around Temecula say?
Each row is a NOAA station's own 1991-2020 normals, with the snow and frost dates the grid does not give. A record downhill or nearer the coast than the city can run warmer, one uphill cooler: compare the elevations.
| Record | Where | Elevation | Year | Jan low | Jul high | Precip. | Snow | Last frost |
|---|---|---|---|---|---|---|---|---|
| Fallbrook5 mi NE | 5 mi SW | 1,140 ft | 65.1°F | 47°F | 87°F | 15.3 | – | February 2 |
| Lake ElsinoreElsinore | 18 mi NW | 1,268 ft | 66.0°F | 42°F | 97°F | 11.7 | 0 | January 28 |
| Camp Pendleton Marine Corps Air Station | 18 mi SW | 75 ft | 62.3°F | 40°F | 80°F | – | – | February 16 |
Source: NOAA NCEI 1991-2020 U.S. Climate Normals; place center and population: Census Bureau 2024. Last frost: the median last spring date of 32°F.
How much snow, how late a frost, what zone and how much sun in Temecula?
NOAA's grid gives no snow, frost dates or records, so these come from the nearest station record, Fallbrook (5 miles SW, 1,140 ft). NOAA publishes no snowfall normal for it; the nearest record that has one, Lake Elsinore (18 miles NW), gets 0 inches a year. The last spring frost (32°F) comes after February 2 in half of years and the first autumn frost before January 30.
The USDA's 2023 Plant Hardiness Zone Map puts Temecula in zones 9b to 10b across its 3 ZIP code areas.
Over a year 87% of the sunlight that would reach the ground under clear skies gets through the clouds in the area (5.4 kWh per square metre a day, NASA POWER 2001-2020); August is the sunniest month (92%) and February the cloudiest (83%).
Fallbrook's page has its months, frost probabilities, records by month and recent years. NOAA's grid has monthly figures only, so there are no day-by-day month pages for Temecula; the nearest record's month pages have them.
Source: NOAA NCEI 1991-2020 normals, station USW00053151; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; sunshine: NASA POWER.
How does the climate vary across Temecula, ZIP code by ZIP code?
3 ZIP code areas lie wholly or partly in Temecula. On NOAA's grid 92590 is the warmest (64.4°F a year) and 92592 the coolest (64.1°F), so the city is nearly uniform. Each row also names the nearest station record and its frost dates.
| ZIP code | Zone | Year | Jan low | Jul high | Precip. | Nearest record | Last frost | First frost |
|---|---|---|---|---|---|---|---|---|
| 92590 | 10b | 64.4°F | 44°F | 89°F | 13.5 | Fallbrook (4 mi) | February 2 | January 30 |
| 92591 | 9b | 64.4°F | 42°F | 92°F | 12.5 | Fallbrook (8 mi) | February 2 | January 30 |
| 92592 | 9b | 64.1°F | 40°F | 94°F | 13.3 | Fallbrook (11 mi) | February 2 | January 30 |
Source: Census Bureau 2020 ZCTA-to-place relationship file and ZCTA centers; NOAA NCEI gridded and station normals, 1991-2020. A ZIP area counts when at least a tenth of its land (and 0.5 km²) is in the city; its figures are the grid cell at its center; frost dates are the nearest record's medians of 32°F.