Photo: LittleT889 · CC BY-SA 4.0Few U.S. towns have milder winter nights than Florence-Graham
High summer brings afternoon highs near 84°. February is the wettest month, August the driest. Precipitation is light here, less than falls on 94% of U.S. towns. Plan time outside from October to July, when highs sit at 68–84°.
A year in Florence-Graham at a glance
Each month’s typical high and low, and what it brings.
What stands out about Florence-Graham’s climate
Compared with towns across the U.S., with Florence-Graham’s place in California beside it.
What a year in Florence-Graham 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 Los Angeles Dwtn Usc Campus, CA, 6 miles from the city’s center point, at about the same height.
The 2023 USDA map puts Florence-Graham’s center in zone 10b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 37°. Plant labels use the zone; frost dates tell you when to plant.
90° days by month
Average days at 90° or more
About 14 inches of rain a year
February is the wettest month and August the driest. Rain falls on about 33 days a year. Snow is rare: about 0.0" in a normal year at San Gabriel Fire Dept, CA, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Florence-Graham
44% 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 Los Angeles Dwtn Usc Campus, CA.
Living with Florence-Graham’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 10b. Frost almost never comes, 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, July, October, November and December. 2.3 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Florence-Graham from natural hazards, earthquakes are the largest share (83%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Florence-Graham and its neighbors
Every town next door is within a degree of Florence-Graham in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Florence-Graham’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 |
|---|---|---|---|---|
| Florence-Graham, CA | 47° | 84° | 14" | 0.0" |
| Ewa Beach, HI | 62° | 87° | 17" | 0.0" |
| Green, OR | 37° | 86° | 32" | 0.0" |
| Port Isabel, TX | 52° | 92° | 26" | 0.2" |
| Sierra Vista Southeast, AZ | 32° | 91° | 15" | 0.7" |
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 Florence-Graham averaged 2.6° warmer than the 1900s. The biggest change is in January (+3.2°).
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 Florence-Graham compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Florence-Graham’s place among California’s.
Florence-Graham weather by month
Highs, lows and precipitation from NOAA’s grid at Florence-Graham’s center; snow, wet days and snow on the ground from San Gabriel Fire Dept, CA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 69° | 47° | 3.3" | 0.0" | 7 | 0 | 55° – 64° |
| February | 69° | 48° | 3.8" | 0.0" | 7 | 0 | 54° – 65° |
| March | 71° | 51° | 2.2" | 0.0" | 5 | 0 | 55° – 68° |
| April | 74° | 53° | 0.7" | 0.0" | 2 | 0 | 59° – 67° |
| May | 76° | 57° | 0.3" | 0.0" | 2 | 0 | 62° – 71° |
| June | 79° | 60° | 0.1" | 0.0" | 1 | 0 | 66° – 74° |
| July | 84° | 64° | 0.0" | 0.0" | 1 | 0 | 70° – 79° |
| August | 86° | 64° | 0.0" | 0.0" | 0 | 0 | 72° – 78° |
| September | 85° | 63° | 0.1" | 0.0" | 0 | 0 | 70° – 79° |
| October | 80° | 58° | 0.5" | 0.0" | 2 | 0 | 65° – 75° |
| November | 74° | 51° | 0.8" | 0.0" | 3 | 0 | 57° – 66° |
| December | 68° | 47° | 2.3" | 0.0" | 5 | 0 | 54° – 61° |
| Year | 76° | 55° | 14.1" | 0.0" | 33 | 0 |
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 55° to 68°. August is the most reliable, staying within 6°.
Where Florence-Graham’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 Florence-Graham’s center.
- Snow: San Gabriel Fire Dept, CA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Los Angeles Dwtn Usc Campus, CA, 6 miles from the city’s center point, 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 Florence-Graham’s climate
What is the weather like in Florence-Graham?
A typical July afternoon reaches 84°, a January night drops to 47°, and snow is almost unheard of. Milder January nights than 95% of U.S. towns; cooler July afternoons than 60% of U.S. towns.
How cold does it get in Florence-Graham in winter?
December nights average 47°. A night at 32° or below comes in only some winters (0.0 a year on average). In the coldest December of the last 30 years the month averaged 54°.
How much snow does Florence-Graham get?
About 0.0 inches in a normal winter at San Gabriel Fire Dept, CA, so most winters see none.
How hot does it get in Florence-Graham?
July, with a typical high of 84° and a low of 64°. About 26 days a year reach 90° and 2 reach 100° (Los Angeles Dwtn Usc Campus, CA).
When is the first and last frost in Florence-Graham?
Most years have no frost at all: a 32° night comes in about 0% of winters at Los Angeles Dwtn Usc Campus, CA, usually in December or January.
What growing zone is Florence-Graham in?
Zone 10b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 37°.
What is the best time of year to visit Florence-Graham?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, April, May, June, July, October, November and December. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Florence-Graham 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 Florence-Graham.
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.