Montecito, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Montecito weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——72°55°—
- MondayJul 6Foggy——74°58°+2°
- TuesdayJul 7Clear——79°61°+5°
- WednesdayJul 8Clear——79°64°0°
- ThursdayJul 9Clear——79°65°0°
- FridayJul 10Mostly Clear——77°63°-2°
- SaturdayJul 11Overcast——76°63°-1°
AQI 34 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.3 µg/m³ (AQI 41) with a 0.74 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
Ozone × UV × Sky
Ozone at AQI 33 now. With UV 8.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 39 around 1 PM.
- Present
- AQI 33
- UV peak
- 8.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 39
PM × Wind × Precip
PM2.5 at 7.3 µg/m³ (AQI 41) with a 0.74 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.74
- 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
- 11:15 PM
- Moonset
- 11:17 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Montecito at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: March 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Montecito
- Sun72°55°6%
- Mon74°58°0%
- Tue79°61°0%
- Wed79°64°0%
- Thu79°65°1%
- Fri77°63°3%
- Sat76°63°3%
- Sun77°64°3%
- Mon79°63°8%
- Tue78°66°3%
- Wed84°69°2%
- Thu84°70°3%
- Fri90°74°3%
- Sat96°75°10%
- Sun79°68°10%
- Mon81°68°10%
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 Montecito's warmest stretch (~75°F) and December its coldest (~56°F); precipitation crests in February at 3.2 inches and ebbs in August to 0.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 56° | 3.1″ | 9 |
| February | 57° | 3.2″ | 9 |
| March | 58° | 2.8″ | 9 |
| April | 61° | 1.2″ | 6 |
| May | 66° | 0.4″ | 3 |
| June | 70° | 0.0″ | 1 |
| July | 75° | 0.0″ | 1 |
| August | 75° | 0.0″ | 1 |
| September | 73° | 0.0″ | 1 |
| October | 69° | 0.4″ | 2 |
| November | 61° | 1.4″ | 5 |
| December | 56° | 2.3″ | 8 |
Regional context
Montecito swings from 56°F in January to 75°F in July (18°F) per NOAA NCEI 1991-2020 normals; precipitation in Montecito runs about 14.9 inches on roughly 54 measurable days.
Cool-season fronts carry Montecito's rain: February logs 3.2 inches on 8.6 days, against August's 0.0 inches on 0.5 — winter does the heavy lifting in Montecito. That groups Montecito with places like Summerland, CA, Toro Canyon, CA and Mission Canyon, CA on the same cool-season storm track.
With a coldest-month mean of 56°F, Montecito stays mostly frost-free and grows year-round. The August peak near 75°F is Montecito's real limit, pushing cool-season vegetables to spring and fall. Across Montecito, elevation and tree cover drive a 4-7°F spread in Montecito's overnight lows.
Similar climates: Summerland, CA, Toro Canyon, CA, Mission Canyon, CA, Santa Barbara, CA, Carpinteria, CA.
Frequently asked
- When does it freeze in Montecito?
- In Montecito, expect the last spring frost near mid-March; Montecito's first autumn frost comes around mid-December.
- What is the rainy season in Montecito?
- Montecito sees its heaviest rain in February (around 3.2 inches), part of roughly 15 inches a year.
- What is the warmest month in Montecito?
- August is Montecito's warmest month, averaging about 75°F.
- What is the coldest month in Montecito?
- Montecito bottoms out in December, with a mean near 56°F.
- When can I start a vegetable garden in Montecito?
- Time tomatoes in Montecito for two weeks after mid-March; peas and greens start at Montecito's frost line.
- How many rainy days does Montecito get?
- Expect roughly 54 wet days a year in Montecito.
- What hardiness zone is Montecito?
- Montecito sits in the USDA zone set by December lows near 56°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Montecito?
- Montecito'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 Montecito?
- See this week's day-by-day rain chances for Montecito in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Montecito?
- Current conditions for Montecito and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Montecito forecast updated?
- The Montecito forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Montecito?
- Today's sunrise and sunset times for Montecito 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 Montecito?
- The next few days in Montecito's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Montecito's hot-summer Mediterranean climate in California pairs 56°F Januarys with 75°F Julys, 19°F apart across the seasons.
Yearly precipitation in Montecito totals around 15 inches, spread over about 54 days of rain or snow.
At 34.4°N, Montecito's 19°F summer-to-winter swing sets when Montecito's gardens wake and when frost returns.
ZIP codes in Montecito
- 93108
- 93150