Placerville, California climate: Normal weather by month, frost dates and records
Placerville's normal year runs from 34°F December nights to 94°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 15.4°C, December lows of 1°C, July highs of 35°C.
- NOAA stationPlacerville
- Station IDUSC00046960
- Location38.70°N 120.82°W
- Elevation1,850 ft (564 m)
- From the center3 miles
- Population10,695
On October 22, the normal high in Placerville is 75°F and the normal low 46°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Placerville.
- Jan 57° 34°
- Feb 60° 37°
- Mar 63° 40°
- Apr 67° 42°
- May 76° 48°
- Jun 86° 55°
- Jul 94° 61°
- Aug 93° 59°
- Sep 88° 56°
- Oct 77° 48°
- Nov 65° 40°
- Dec 56° 34°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Placerville each month?
July is the warmest month, with normal highs of 94°F; December the coldest, with normal lows of 34°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 57°F | 34°F | 45.6°F | – | <1 | 9 | 9 h 40 min |
| February | 60°F | 37°F | 48.2°F | – | <1 | 4 | 10 h 40 min |
| March | 63°F | 40°F | 51.5°F | – | <1 | 3 | 11 h 50 min |
| April | 67°F | 42°F | 54.7°F | – | <1 | 1 | 13 h 10 min |
| May | 76°F | 48°F | 62.2°F | – | 3 | <1 | 14 h 20 min |
| June | 86°F | 55°F | 70.1°F | – | 10 | <1 | 14 h 50 min |
| July | 94°F | 61°F | 77.4°F | – | 23 | <1 | 14 h 40 min |
| August | 93°F | 59°F | 76.2°F | – | 21 | <1 | 13 h 40 min |
| September | 88°F | 56°F | 71.9°F | – | 14 | <1 | 12 h 30 min |
| October | 77°F | 48°F | 62.6°F | – | 3 | <1 | 11 h 20 min |
| November | 65°F | 40°F | 52.1°F | – | <1 | 3 | 10 h 10 min |
| December | 56°F | 34°F | 45.0°F | – | <1 | 10 | 9 h 30 min |
| Year (annual) | 73°F | 46°F | 59.8°F | – | 74 | 30 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | 14°C | 1°C | 7.6°C |
| February | 15°C | 3°C | 9.0°C |
| March | 17°C | 4°C | 10.8°C |
| April | 20°C | 6°C | 12.6°C |
| May | 24°C | 9°C | 16.8°C |
| June | 30°C | 13°C | 21.2°C |
| July | 35°C | 16°C | 25.2°C |
| August | 34°C | 15°C | 24.6°C |
| September | 31°C | 13°C | 22.2°C |
| October | 25°C | 9°C | 17.0°C |
| November | 18°C | 4°C | 11.2°C |
| December | 13°C | 1°C | 7.2°C |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Pacific House (18 miles away), gets 58 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00046960; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Placerville?
Normal highs sit between 65°F and 85°F in April, May and October.
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00046960.
When is the last frost in Placerville?
In Placerville, the last spring frost (32°F) comes after March 31 in half of years and after April 23 in one year in ten; the first autumn frost comes before November 21 in half of years and before November 1 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- March 311 year in 10 after April 23; 9 in 10 after February 24
- First autumn frost, half of years before
- November 211 year in 10 before November 1; 9 in 10 before December 7
NOAA puts the median frost-free season at 237 days, and the season without a hard freeze (28°F) at 294 days.
A hard freeze (28°F) comes after February 15 in half of springs and before December 5 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Placerville in zone 9b in ZIP code 95667, the nearest ZIP area.
Frost dates for every NOAA station in California · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00046960; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Placerville?
In a normal year in Placerville, 74 days a year reach 90°F (12 of them 100°F or more) and 30 nights fall to 32°F or colder.
- Days at 90°F or more
- 74a normal year
- Days at 100°F or more
- 12a normal year
- Nights at 32°F or colder
- 30a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
The highest temperature in this station's record (since 1900) is 115°F, on August 13, 1996; the lowest is 8°F, on January 21, 1937.
The wettest calendar year on that record is 1996, with 62.54 in; the snowiest season is 1948–49, with 22.5 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00046960; records: ACIS (NOAA Regional Climate Centers), station USC00046960. Records use complete months only; a month missing more than three days is left out.
How sunny is Placerville?
Over a year 86% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Placerville, 5.2 kWh per square metre a day. August is the sunniest month (97%) and December the cloudiest (70%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 72% | 2.4 |
| February | 72% | 3.2 |
| March | 74% | 4.5 |
| April | 78% | 5.9 |
| May | 86% | 7.3 |
| June | 94% | 8.4 |
| July | 97% | 8.3 |
| August | 97% | 7.5 |
| September | 94% | 6.0 |
| October | 89% | 4.4 |
| November | 80% | 2.8 |
| December | 70% | 2.1 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Placerville need?
A normal year in Placerville brings 3,176 heating degree days, 41% fewer than the median U.S. place (5,373), and 1,300 cooling degree days, 43% more than the median (908). Six months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 4,181 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 601 | 0 |
| February | 470 | 0 |
| March | 421 | 1 |
| April | 317 | 8 |
| May | 152 | 67 |
| June | 36 | 190 |
| July | 2 | 386 |
| August | 2 | 349 |
| September | 20 | 228 |
| October | 144 | 69 |
| November | 390 | 2 |
| December | 620 | 0 |
| Year (annual) | 3,176 | 1,300 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00046960. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does Placerville's climate compare?
Placerville is warmer than 90 of the other 218 places with their own NOAA record in California. Across the 7,247 U.S. stations with normals, its annual mean of 59.8°F is warmer than 74%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Which places near Placerville share this climate record?
8 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- El Dorado Hills, CAalso near: Auburn (16 mi, 61.2°F a year); Georgetown (22 mi, 58.2°F a year)50,553 people · 12 mi W
- Cameron Park, CA17,283 people · 9 mi W
- Diamond Springs, CA12,642 people · 1 mi W
- Shingle Springs, CA3,488 people · 6 mi W
- Camino, CA1,968 people · 8 mi NE
- Cold Springs, CA512 people · 4 mi NW
- Coloma, CA372 people · 8 mi NW
- River Pines, CA345 people · 11 mi SE
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Placerville's climate
What is the coldest month in Placerville?
December, with a normal high of 56°F and a normal low of 34°F. The warmest is July (94°F by day, 61°F at night).
Does it snow in Placerville?
Yes. NOAA publishes no 1991-2020 snowfall normal for Placerville's NOAA station; the nearest record that keeps one, Pacific House (18 miles away), records 58 inches of snow in a normal year.
What plant hardiness zone is Placerville in?
The USDA's 2023 map puts Placerville in zone 9b in ZIP code 95667, the nearest ZIP area.
How late can frost come in Placerville?
In half of years the last 32°F night comes after March 31; in one year in ten it comes after April 23. Waiting until April 23 leaves about a one-in-ten chance of a later frost.
Nearby and next
- California climateThe statewide normals and every place in the state
- Georgetown, CA16 miles from this station, 58.2°F a year
- Pacific House, CA18 miles from this station, 52.9°F a year
- Auburn, CA21 miles from this station, 61.2°F a year
- Sutter Hill Fire Station, CA22 miles from this station, 61.0°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made