Climate Comfort Score
97/100
Excellent
NOAA 1991–2020 normals 60°F annual avg Public-domain federal data
Calistoga, CA Climate
Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →
- 60°F
- Avg annual temp
- 97/100
- Comfort score
- 38.6"
- Annual precip
- 266d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Calistoga
Calistoga, California averages 60°F a year and scores 97/100 on the comfort index - excellent, milder than 98% of U.S. cities.
- 60°F
- average temperature, NOAA 1991-2020 normal
- 97/100
- comfort score, milder than 98% of U.S. cities
- 38.6"
- annual precipitation
- 266 days
- frost-free days per growing season
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
60°F (16°C)
Avg High
74°F
Avg Low
47°F
Annual Precip
38.6"
Annual Snow
0.0"
Comfort Score
97/100
Excellent
Avg Annual Temperature
60°F
30-year mean (NOAA NCEI)
Annual Precipitation
38.6"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Calistoga) 97.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Calistoga area.
How Calistoga compares to every U.S. city
Calistoga's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
97 Top 2% higher than 98% 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 Calistoga
MethodologySince 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Calistoga's current NOAA 1991-2020 normal sits within that longer spread, and the most recent decade runs warmer than the 30-year mean.
- 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 | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 59°F (15°C) | 39°F (4°C) | 49°F (10°C) | 7.9" | 0.0" | 9.3 | 0.0 |
| February | 62°F (17°C) | 41°F (5°C) | 51°F (11°C) | 7.1" | 0.0" | 5.5 | 0.0 |
| March | 66°F (19°C) | 43°F (6°C) | 54°F (12°C) | 5.9" | 0.0" | 3.0 | 0.0 |
| April | 70°F (21°C) | 44°F (7°C) | 57°F (14°C) | 2.3" | 0.0" | 1.8 | 0.7 |
| May | 77°F (25°C) | 49°F (9°C) | 63°F (17°C) | 1.4" | 0.0" | 0.2 | 3.7 |
| June | 85°F (29°C) | 53°F (12°C) | 69°F (20°C) | 0.3" | 0.0" | 0.0 | 11.0 |
| July | 90°F (32°C) | 55°F (13°C) | 72°F (22°C) | 0.0" | 0.0" | 0.0 | 18.2 |
| August | 89°F (32°C) | 54°F (12°C) | 72°F (22°C) | 0.0" | 0.0" | 0.0 | 17.4 |
| September | 87°F (31°C) | 52°F (11°C) | 70°F (21°C) | 0.1" | 0.0" | 0.0 | 14.1 |
| October | 79°F (26°C) | 47°F (9°C) | 63°F (17°C) | 1.8" | 0.0" | 0.3 | 5.6 |
| November | 66°F (19°C) | 42°F (5°C) | 54°F (12°C) | 3.8" | 0.0" | 5.3 | 0.1 |
| December | 58°F (14°C) | 39°F (4°C) | 48°F (9°C) | 8.0" | 0.0" | 10.2 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 7.9"
11.6 days with precipitation
February 7.1"
11.1 days with precipitation
March 5.9"
8.7 days with precipitation
April 2.3"
6.3 days with precipitation
May 1.4"
3.7 days with precipitation
June 0.3"
1.1 days with precipitation
July 0.0"
0.1 days with precipitation
August 0.0"
0.1 days with precipitation
September 0.1"
0.7 days with precipitation
October 1.8"
3.6 days with precipitation
November 3.8"
6.3 days with precipitation
December 8.0"
12.4 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
November 23
50% probability date
Last Spring Freeze
March 2
50% probability date
Growing Season
266 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
2,593
Higher = more heating needed
Cooling Degree Days
836
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What Calistoga's climate means for you
Calistoga runs 60°F a year - peaking in July, coldest in December.
- Gardeners get about 266 frost-free days, with the last spring freeze near March 2 - plan the planting calendar around it, not the regional average.
- Energy bills track 2,593 heating and 836 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: Calistoga, CA
Based on station USC00041312 feeding NOAA's 1991–2020 climate normals, Calistoga, California averages 60°F a year, ranging from a mean daily high of 74°F to a mean daily low of 47°F. July is typically the warmest month of the year, while December 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.
Beyond temperature, Calistoga averages 38.6 inches of precipitation annually, with negligible snowfall - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 266 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 2 and the first fall freeze near November 23. Turning to energy use, 2,593 heating degree days and 836 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Calistoga scores 97/100 (Excellent), 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 December-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 Calistoga, CA? ▼
The average annual temperature in Calistoga, California is 60°F. The warmest month averages 90°F (32°C) and the coldest averages 39°F (4°C).
How much rain does Calistoga get? ▼
Calistoga receives 38.6 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Calistoga? ▼
Calistoga has a climate comfort score of 97/100 (Excellent), milder than 98% of U.S. cities in the PlainClimate database.
When is the growing season in Calistoga? ▼
Calistoga has approximately 266 frost-free days per year, with the last spring freeze around March 2 and the first fall freeze around November 23.
How much energy does heating and cooling require in Calistoga? ▼
Calistoga has 2,593 heating degree days and 836 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 Calistoga climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00041312 near Calistoga.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00041312. 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.