Climate Comfort Score
64/100
Good
NOAA 1991–2020 normals 45°F annual avg Public-domain federal data
Placerville, CO Climate
Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score
- 45°F
- Avg annual temp
- 64/100
- Comfort score
- 21.5"
- Annual precip
- 126d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Placerville
Placerville, Colorado averages 45°F a year and scores 64/100 on the comfort index - good, milder than 51% of U.S. cities.
- 45°F
- annual average temperature (NOAA normal)
- 64/100
- comfort score, milder than 51% of U.S. cities
- 21.5"
- annual precipitation
- 126 days
- growing season, frost-free days
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
45°F (7°C)
Avg High
61°F
Avg Low
30°F
Annual Precip
21.5"
Comfort Score
64/100
Good
Avg Annual Temperature
45°F
30-year mean (NOAA NCEI)
Annual Precipitation
21.5"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Placerville) 64.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Placerville area.
How Placerville compares to every U.S. city
Placerville's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
64 Top 49% higher than 51% of 6,915 US cities
Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Warming context for Placerville
MethodologyZooming out from Placerville's own normal, the chart below shows how the U.S. land temperature anomaly has tracked the global mean since 1900 - the most recent decade sits warmer than the 30-year mean shown here.
- United States land mean (NOAA NCEI) +0.11 °C/decade
- Global anomaly (NASA GISTEMP) +0.11 °C/decade
- Paris Agreement thresholds 1.5°C / 2.0°C
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 40°F (5°C) | 13°F (-11°C) | 26°F (-3°C) | 1.4" | 31.0 | 0.0 |
| February | 43°F (6°C) | 16°F (-9°C) | 29°F (-2°C) | 1.5" | 27.7 | 0.0 |
| March | 52°F (11°C) | 22°F (-5°C) | 37°F (3°C) | 1.8" | 28.8 | 0.0 |
| April | 58°F (15°C) | 28°F (-2°C) | 43°F (6°C) | 1.6" | 22.2 | 0.0 |
| May | 68°F (20°C) | 35°F (2°C) | 51°F (11°C) | 1.8" | 11.2 | 0.0 |
| June | 80°F (27°C) | 45°F (7°C) | 62°F (17°C) | 0.8" | 0.9 | 2.3 |
| July | 83°F (28°C) | 50°F (10°C) | 67°F (19°C) | 2.5" | 0.0 | 3.2 |
| August | 80°F (27°C) | 49°F (10°C) | 64°F (18°C) | 2.6" | 0.1 | 1.4 |
| September | 74°F (23°C) | 42°F (5°C) | 58°F (14°C) | 2.5" | 2.4 | 0.3 |
| October | 62°F (17°C) | 30°F (-1°C) | 46°F (8°C) | 2.2" | 18.3 | 0.0 |
| November | 50°F (10°C) | 19°F (-7°C) | 34°F (1°C) | 1.6" | 28.5 | 0.0 |
| December | 40°F (5°C) | 12°F (-11°C) | 26°F (-3°C) | 1.1" | 30.8 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 1.4"
February 1.5"
March 1.8"
April 1.6"
May 1.8"
June 0.8"
July 2.5"
August 2.6"
September 2.5"
October 2.2"
November 1.6"
December 1.1"
Frost Dates & Growing Season
First Fall Freeze
September 29
50% probability date
Last Spring Freeze
May 26
50% probability date
Growing Season
126 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
7,280
Higher = more heating needed
Cooling Degree Days
154
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Placerville's climate means for you
Placerville runs 45°F a year - peaking in July, coldest in January.
- Gardeners get about 126 frost-free days, with the last spring freeze near May 26 - plan the planting calendar around it, not the regional average.
- Energy bills track 7,280 heating and 154 cooling degree days a year, higher means the furnace or AC runs more.
- Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
Climate Guides
Climate Insight: Placerville, CO
Based on station USC00056520 feeding NOAA's 1991–2020 climate normals, Placerville, Colorado averages 45°F a year, ranging from a mean daily high of 61°F to a mean daily low of 30°F. July is typically the warmest month of the year, while January is the coldest. Because these figures are thirty-year averages rather than any single year's readings, they describe the typical month, not a forecast for it.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Placerville receives roughly 21.5 inches of precipitation each year, predominantly as rainfall. The frost-free season averages 126 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 26 and the first fall freeze near September 29. For energy use, 7,280 heating degree days and 154 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Placerville scores 64/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above are the practical planning tool: mild highs and lows land in the shoulder seasons, July-driven heat peaks in summer, and January-driven cold sets in over deep winter. These are thirty-year averages, not a forecast - any single year can run warmer, wetter, drier, or cooler than the normal.
Frequently Asked Questions
What is the average temperature in Placerville, CO? ▼
The average annual temperature in Placerville, Colorado is 45°F. The warmest month averages 83°F (28°C) and the coldest averages 12°F (-11°C).
How much rain does Placerville get? ▼
Placerville receives 21.5 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Placerville? ▼
Placerville has a climate comfort score of 64/100 (Good), milder than 51% of U.S. cities in the PlainClimate database.
When is the growing season in Placerville? ▼
Placerville has approximately 126 frost-free days per year, with the last spring freeze around May 26 and the first fall freeze around September 29.
How much energy does heating and cooling require in Placerville? ▼
Placerville has 7,280 heating degree days and 154 cooling degree days annually, a heating-dominated climate. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this Placerville climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00056520 near Placerville.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00056520. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial
Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.