La Palma, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
La Palma weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——85°66°—
- MondayJul 6Mostly Clear——85°62°0°
- TuesdayJul 7Mostly Clear——81°64°-4°
- WednesdayJul 8Clear——83°68°+2°
- ThursdayJul 9Clear——81°69°-2°
- FridayJul 10Clear——80°69°-1°
- SaturdayJul 11Overcast——79°68°-1°
AQI 61 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 18.9 µg/m³ (AQI 69) with a 0.82 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 18.9 µg/m³ (AQI 69) with a 0.82 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:08 PM
- Moonset
- 11:11 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
La Palma at a glance
- Today vs. normal: 76°F — typical for the season
- Last frost: March 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 90623
16-Day Forecast — La Palma
- Sun84°66°1%
- Mon85°62°1%
- Tue81°64°0%
- Wed83°68°0%
- Thu81°69°0%
- Fri80°69°0%
- Sat79°68°0%
- Sun79°70°1%
- Mon79°70°5%
- Tue79°70°9%
- Wed91°73°3%
- Thu90°74°10%
- Fri99°79°10%
- Sat94°78°10%
- Sun85°75°19%
- Mon83°72°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
Microseason · July 1–5
Summer heat deepens across the valleys
Inland temperatures exceed 95°F regularly; fire danger reaches moderate to high across most of the region.
Day 186 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
August is La Palma's warmest stretch (~73°F) and January its coldest (~54°F); precipitation crests in February at 2.5 inches and ebbs in August to 0.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 54° | 2.3″ | 9 |
| February | 56° | 2.5″ | 8 |
| March | 58° | 2.0″ | 9 |
| April | 61° | 0.9″ | 7 |
| May | 64° | 0.3″ | 4 |
| June | 68° | 0.0″ | 2 |
| July | 72° | 0.1″ | 1 |
| August | 73° | 0.0″ | 0 |
| September | 72° | 0.0″ | 2 |
| October | 68° | 0.3″ | 3 |
| November | 60° | 1.1″ | 6 |
| December | 54° | 1.8″ | 7 |
Regional context
In La Palma, NOAA NCEI 1991-2020 normals put January near 54°F and July near 72°F — a 18°F seasonal arc — with about 11.3 inches of precipitation over 57 rainy or snowy days.
Cool-season fronts carry La Palma's rain: February logs 2.5 inches on 7.6 days, against August's 0.0 inches on 0.2 — winter does the heavy lifting in La Palma. It is a winter-storm rhythm La Palma shares with places like Cerritos, CA, Buena Park, CA and Hawaiian Gardens, CA.
Hard freezes are rare in La Palma: the coldest month averages 54°F, so La Palma's growing window runs most of the year. August is the hottest stretch near 73°F, pushing cool-season crops to the milder shoulder months. Within La Palma, low or inland lots lose 3-5°F overnight versus La Palma's coastal ground.
Similar climates: Cerritos, CA, Buena Park, CA, Hawaiian Gardens, CA, Cypress, CA, Artesia, CA.
Frequently asked
- When does it freeze in La Palma?
- Frost typically leaves La Palma by mid-March and returns to La Palma near mid-December.
- What is the rainy season in La Palma?
- February is the wettest month in La Palma, about 2.5 inches on average; the year totals roughly 11 inches.
- What is the warmest month in La Palma?
- August is La Palma's warmest month, averaging about 73°F.
- What is the coldest month in La Palma?
- La Palma bottoms out in January, with a mean near 54°F.
- When can I start a vegetable garden in La Palma?
- Time tomatoes in La Palma for two weeks after mid-March; peas and greens start at La Palma's frost line.
- How many rainy days does La Palma get?
- Expect roughly 57 wet days a year in La Palma.
- What hardiness zone is La Palma?
- La Palma sits in the USDA zone set by January lows near 54°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for La Palma?
- La Palma's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in La Palma?
- See this week's day-by-day rain chances for La Palma in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in La Palma?
- Current conditions for La Palma and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the La Palma forecast updated?
- The La Palma forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in La Palma?
- Today's sunrise and sunset times for La Palma are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for La Palma?
- The next few days in La Palma's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
La Palma's hot-summer Mediterranean climate in California pairs 54°F Januarys with 72°F Julys, 18°F apart across the seasons.
Rain and snow bring La Palma roughly 11 inches a year across approximately 57 measurable-precipitation days.
At 33.9°N, La Palma's 18°F summer-to-winter swing sets when La Palma's gardens wake and when frost returns.
ZIP codes in La Palma
- 90623