Hot-summer Mediterranean
St. Helena, California
Napa County, California · Population 5.4k · 253 ft elevation
Living in St. Helena
St. Helena has a hot-summer mediterranean climate: hot summers (July highs around 89°F) and mild winters (January lows around 40°F).
Precipitation is moderate at about 34″ a year, and it essentially never sees snow.
Skies are exceptionally sunny (78% of possible sunshine). It never gets truly muggy.
Air quality is moderate: a median AQI of 41 and virtually no unhealthy-air days.
There is plenty to explore outdoors around St. Helena: about 12% of the land within 30 miles is public (parks, national forest and the like), and the terrain rises and falls about 2,300 ft around town.
St. Helena at a glance
- Population
- 5.4k
- Elevation
- 253 ft
- Average daily high
- 74°F73th percentile
- Average daily low
- 48°F62th percentile
- Annual precipitation
- 34″24th percentile
- Annual snowfall
- 0″0th percentile
- Sunshine hours per year
- 3,527 hrs91th percentile
- Median AQI
- 4144th percentile
- Median home value
- $2M99th percentile
- Median rent
- $2,391/mo94th percentile
- Median household income
- $158k94th percentile
- Property tax rate
- 0.48%7th percentile
- Top state income-tax rate
- 13.3%
- Sales tax (state + local)
- 8.8%
- Unemployment rate
- 4.4%
- Homes with broadband
- 98%93th percentile
- Walkability index
- 8.244th percentile
- Average commute
- 19 min
- Math proficiency (8th grade)
- 57%66th percentile
- Reading proficiency (8th grade)
- 67%
- Violent crime rate
- 38 per 100k11th percentile
- Property crime rate
- 594 per 100k
- Overall natural-hazard risk
- 9564th percentile
- Outdoor access
- 8685th percentile
- Public land within 10 miles
- 8%
- Public land within 30 miles
- 12%
- Mountain relief within 30 miles
- 2,264 ft
Climate by month
| Month | High | Low | Precipitation | Snow | Sunshine |
|---|---|---|---|---|---|
| Jan | 59°F | 40°F | 6.5″ | — | 189 hrs |
| Feb | 62°F | 42°F | 6.7″ | — | 199 hrs |
| Mar | 67°F | 44°F | 5.0″ | — | 254 hrs |
| Apr | 72°F | 46°F | 2.0″ | — | 302 hrs |
| May | 78°F | 50°F | 1.3″ | — | 365 hrs |
| Jun | 85°F | 54°F | 0.3″ | — | 400 hrs |
| Jul | 89°F | 56°F | 0.0″ | — | 417 hrs |
| Aug | 89°F | 56°F | 0.0″ | — | 384 hrs |
| Sep | 87°F | 54°F | 0.1″ | — | 335 hrs |
| Oct | 78°F | 49°F | 1.6″ | — | 286 hrs |
| Nov | 66°F | 44°F | 3.2″ | — | 220 hrs |
| Dec | 58°F | 40°F | 7.2″ | — | 176 hrs |
Near St. Helena
- Angwin, CA · 2.8k
- Calistoga, CA · 5.2k
- Yountville, CA · 3.4k
- Fetters Hot Springs-Agua Caliente, CA · 3.4k
- Santa Rosa, CA · 177k
- Boyes Hot Springs, CA · 7k
- El Verano, CA · 3.2k
- Sonoma, CA · 11k
Largest places in California
- Los Angeles, CA · 3.9M
- San Diego, CA · 1.4M
- San Jose, CA · 990k
- San Francisco, CA · 836k
- Fresno, CA · 544k
- Sacramento, CA · 525k
- Long Beach, CA · 458k
- Oakland, CA · 438k
Sources: NOAA climate normals, NASA POWER, EPA air quality, U.S. Census Bureau, FEMA, FBI, EPA walkability and EDFacts. Methodology