Citrus Heights, California Weather
Coastal fog thickens at dawn. Day 76 of spring. Read this microseason across nine climate regions →
Citrus Heights weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——94°59°—
- ThursdayJun 4Clear——96°62°+2°
- FridayJun 5Partly Cloudy——99°69°+3°
- SaturdayJun 6Overcast——89°63°-10°
- SundayJun 7Overcast——87°58°-2°
- MondayJun 8Overcast13%—88°62°+1°
- TuesdayJun 9Partly Cloudy12%—84°62°-4°
PM2.5 at 17.5 µg/m³ (AQI 67) with a 0.70 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust. AQI flat over the last 6 hours (within ±3 points).
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 38 now. With UV 8.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 44 by mid-afternoon.
- Present
- AQI 38
- UV peak
- 8.8 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 44
PM × Wind × Precip
PM2.5 at 17.5 µg/m³ (AQI 67) with a 0.70 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.70
- Wind
- light
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 5:55 AM
- Moonset
- 3:13 PM
- In sign
- ♑︎ Capricorn
Coastal fog thickens at dawn
Citrus Heights at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 8 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, 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.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Citrus Heights's warmest month is July (~76°F mean) and its coldest is December (~46°F). Rainfall peaks in January (3.7 inches) and bottoms out in July (0.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 47° | 3.7″ | 6 |
| February | 50° | 3.5″ | 7 |
| March | 54° | 2.6″ | 6 |
| April | 59° | 1.2″ | 3 |
| May | 66° | 0.6″ | 2 |
| June | 73° | 0.2″ | 1 |
| July | 76° | 0.0″ | 0 |
| August | 75° | 0.1″ | 0 |
| September | 72° | 0.1″ | 0 |
| October | 64° | 0.8″ | 2 |
| November | 53° | 1.8″ | 4 |
| December | 46° | 3.3″ | 7 |
Regional context
Citrus Heights sits within a hot-summer Mediterranean climate region — a cohort that shares similar temperature ranges, seasonal patterns, and growing conditions across nearby cities.
Similar climates: Los Angeles, CA, San Francisco, CA, San Diego, CA, Riverside, CA, Sacramento, CA.
Naturalist notes
By late May, juvenile Western scrub-jays fledge from nests in valley oaks and can be heard giving harsh, rasping calls as they follow adults through the canopy.
The summer solstice near June 21 brings over 14 hours and 50 minutes of daylight to this latitude, with civil twilight lingering past 9 PM.
Frequently asked
- When does it freeze in Citrus Heights?
- Citrus Heights's last spring frost typically falls around mid-April, and the first fall frost arrives around mid-November.
- What is the rainy season in Citrus Heights?
- January is the wettest month with about 3.7 inches of rain on average; the city receives roughly 18 inches annually.
- What is the warmest month in Citrus Heights?
- July is typically warmest, averaging about 76°F.
- What is the coldest month in Citrus Heights?
- December is typically coldest, averaging about 46°F.
- When can I start a vegetable garden in Citrus Heights?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-April); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Citrus Heights get?
- Citrus Heights averages about 36 rainy days per year.
- What hardiness zone is Citrus Heights?
- Citrus Heights's hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Citrus Heights, California falls inside a hot-summer Mediterranean climate zone. January means hover near 47°F, while July averages 76°F — a 30°F seasonal swing.
Over the course of a year, Citrus Heights receives about 18 inches of precipitation spread across roughly 36 rainy days.
Latitude (38.7°N), proximity to large water bodies, and elevation set the rhythm of the year. Together they shape what grows here, when frost is likely, and what the daily weather story looks like.