Nights stay kind in West Puente Valley each January, milder than in 94% of U.S. towns
Expect July afternoons of about 88°. Only 45° separates winter nights from summer afternoons. It is a dry place: less rain and snow fall here than on 93% of U.S. towns. The outdoor season runs from October to June, with highs of 68–83°.
A year in West Puente Valley at a glance
Each month’s typical high and low, and what it brings.
What stands out about West Puente Valley’s climate
Compared with towns across the U.S., with West Puente Valley’s place in California beside it.
What a year in West Puente Valley feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Frost is rare
Frost and day counts come from NOAA’s station at San Gabriel Fire Dept, CA, 8 miles from the town’s center, at about the same height.
The 2023 USDA map puts West Puente Valley’s center in zone 10b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 36°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 15 inches of rain a year
February is the wettest month and August the driest. Rain falls on about 46 days a year. Snow is rare: about 0.0" in a normal year at San Gabriel Canyon Ph, CA, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in West Puente Valley
43% of the work is heating, so air conditioning is the bigger bill. No month averages under 55°.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at San Gabriel Fire Dept, CA.
Living with West Puente Valley’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 10b. Frost comes about 1 winter in 7, so tender plants can often stay out through winter.
Months with highs of 62–84° and lows of 40° or more: January, February, March, April, May, June, October, November and December. 0.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in West Puente Valley from natural hazards, earthquakes are the largest share (60%); heat waves, cold waves, winter storms and ice storms together are 2%. Normals are averages; the hazards page covers the extremes.
Natural hazards →West Puente Valley and its neighbors
Every town next door is within a degree of West Puente Valley in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like West Puente Valley’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| West Puente Valley, CA | 45° | 88° | 15" | 0.0" |
| Sierra Vista Southeast, AZ | 32° | 91° | 15" | 0.7" |
| Port Isabel, TX | 52° | 92° | 26" | 0.2" |
| Ashland, OR | 31° | 91° | 19" | 0.5" |
| Ewa Beach, HI | 62° | 87° | 17" | 0.0" |
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in West Puente Valley averaged 2.6° warmer than the 1900s. The biggest change is in January (+3.4°).
A bigger shift than in all but 45 U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How West Puente Valley compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with West Puente Valley’s place among California’s.
West Puente Valley weather by month
Highs, lows and precipitation from NOAA’s grid at West Puente Valley’s center; snow, wet days and snow on the ground from San Gabriel Canyon Ph, CA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 69° | 45° | 3.6" | 0.0" | 7 | 0 | 54° – 63° |
| February | 70° | 47° | 3.9" | 0.0" | 8 | 0 | 51° – 67° |
| March | 72° | 49° | 2.3" | 0.0" | 7 | 0 | 55° – 68° |
| April | 75° | 51° | 0.9" | 0.0" | 4 | 0 | 58° – 68° |
| May | 78° | 56° | 0.3" | 0.0" | 4 | 0 | 62° – 72° |
| June | 83° | 60° | 0.1" | 0.0" | 2 | 0 | 67° – 75° |
| July | 88° | 63° | 0.0" | 0.0" | 1 | 0 | 73° – 81° |
| August | 90° | 64° | 0.0" | 0.0" | 0 | 0 | 74° – 81° |
| September | 88° | 61° | 0.1" | 0.0" | 1 | 0 | 71° – 79° |
| October | 82° | 56° | 0.5" | 0.0" | 3 | 0 | 65° – 73° |
| November | 75° | 49° | 0.9" | 0.0" | 4 | 0 | 55° – 65° |
| December | 68° | 44° | 2.4" | 0.0" | 6 | 0 | 53° – 61° |
| Year | 78° | 54° | 15.0" | 0.0" | 46 | 0 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 51° to 67°. August is the most reliable, staying within 7°.
Where West Puente Valley’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at West Puente Valley’s center.
- Snow: San Gabriel Canyon Ph, CA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: San Gabriel Fire Dept, CA, 8 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about West Puente Valley’s climate
What is the weather like in West Puente Valley?
A typical July afternoon reaches 88°, a January night drops to 45°, and snow is almost unheard of. Milder January nights than 94% of U.S. towns; hotter July afternoons than 68% of U.S. towns.
How cold does it get in West Puente Valley in winter?
December nights average 44°. About 1 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 53°.
How much snow does West Puente Valley get?
About 0.0 inches in a normal winter at San Gabriel Canyon Ph, CA, so most winters see none.
How hot does it get in West Puente Valley?
July, with a typical high of 88° and a low of 63°. About 65 days a year reach 90° and 7 reach 100° (San Gabriel Fire Dept, CA).
When is the first and last frost in West Puente Valley?
Most years have no frost at all: a 32° night comes in about 15% of winters at San Gabriel Fire Dept, CA, usually in December or January.
What growing zone is West Puente Valley in?
Zone 10b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 36°.
What is the best time of year to visit West Puente Valley?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, April, May, June, October, November and December. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is West Puente Valley getting warmer?
Yes: 1991–2020 averaged 2.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than all but 45 U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in West Puente Valley.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.