Climate Comfort Score
77/100
Good
NOAA 1991–2020 normals 58°F annual avg Public-domain federal data
Orleans, CA Climate
Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →
- 58°F
- Avg annual temp
- 77/100
- Comfort score
- 51.7"
- Annual precip
- 259d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Orleans
Orleans, California averages 58°F a year and scores 77/100 on the comfort index - good, milder than 72% of U.S. cities.
- 58°F
- average temperature, NOAA 1991-2020 normal
- 77/100
- comfort score, milder than 72% of U.S. cities
- 51.7"
- annual precipitation · 3" snow
- 259 days
- frost-free growing season
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
58°F (14°C)
Avg High
70°F
Avg Low
46°F
Annual Precip
51.7"
Annual Snow
2.8"
Comfort Score
77/100
Good
Avg Annual Temperature
58°F
30-year mean (NOAA NCEI)
Annual Precipitation
51.7"
Plus 2.8" of snow
Comfort score vs national 100-point ceiling (Orleans) 77.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Orleans area.
How Orleans compares to every U.S. city
Orleans's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
77 Top 28% higher than 72% 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 Orleans
MethodologySince 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Orleans'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 | 50°F (10°C) | 37°F (3°C) | 43°F (6°C) | 9.4" | 0.1" | 7.8 | 0.0 |
| February | 55°F (13°C) | 39°F (4°C) | 47°F (8°C) | 6.9" | 1.5" | 4.5 | 0.0 |
| March | 62°F (17°C) | 41°F (5°C) | 51°F (11°C) | 6.4" | 0.2" | 1.6 | 0.0 |
| April | 68°F (20°C) | 43°F (6°C) | 56°F (13°C) | 4.0" | 0.0" | 0.5 | 0.2 |
| May | 77°F (25°C) | 48°F (9°C) | 62°F (17°C) | 2.3" | 0.0" | 0.0 | 3.5 |
| June | 83°F (28°C) | 52°F (11°C) | 68°F (20°C) | 0.9" | 0.0" | 0.0 | 8.5 |
| July | 92°F (33°C) | 57°F (14°C) | 74°F (24°C) | 0.2" | 0.0" | 0.0 | 20.6 |
| August | 91°F (33°C) | 56°F (13°C) | 73°F (23°C) | 0.1" | 0.0" | 0.0 | 19.7 |
| September | 86°F (30°C) | 52°F (11°C) | 69°F (20°C) | 0.8" | 0.0" | 0.0 | 12.0 |
| October | 71°F (22°C) | 46°F (8°C) | 59°F (15°C) | 3.5" | 0.0" | 0.2 | 0.6 |
| November | 56°F (13°C) | 42°F (5°C) | 49°F (9°C) | 6.8" | 0.0" | 2.9 | 0.0 |
| December | 48°F (9°C) | 37°F (3°C) | 43°F (6°C) | 10.5" | 1.0" | 7.8 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 9.4"
Snow: 0.1"
15.7 days with precipitation
February 6.9"
Snow: 1.5"
13.8 days with precipitation
March 6.4"
Snow: 0.2"
15.0 days with precipitation
April 4.0"
11.5 days with precipitation
May 2.3"
7.7 days with precipitation
June 0.9"
3.4 days with precipitation
July 0.2"
1.0 days with precipitation
August 0.1"
1.2 days with precipitation
September 0.8"
2.1 days with precipitation
October 3.5"
6.6 days with precipitation
November 6.8"
13.9 days with precipitation
December 10.5"
Snow: 1.0"
17.1 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
November 26
50% probability date
Last Spring Freeze
March 12
50% probability date
Growing Season
259 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
3,457
Higher = more heating needed
Cooling Degree Days
860
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What Orleans's climate means for you
Orleans runs 58°F a year - peaking in July, coldest in December.
- Gardeners get about 259 frost-free days, with the last spring freeze near March 12 - plan the planting calendar around it, not the regional average.
- Energy bills track 3,457 heating and 860 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: Orleans, CA
Orleans, California runs an annual average of 58°F, ranging from a mean daily high of 70°F to a mean daily low of 46°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while December is the coldest. Drawn from station USC00046508, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Beyond temperature, Orleans averages 51.7 inches of precipitation annually, with 2.8 inches typically falling as snow - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 259 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 12 and the first fall freeze near November 26. Turning to energy use, 3,457 heating degree days and 860 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Orleans scores 77/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings July-driven heat, and deep winter brings December-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.
Frequently Asked Questions
What is the average temperature in Orleans, CA? ▼
The average annual temperature in Orleans, California is 58°F. The warmest month averages 92°F (33°C) and the coldest averages 37°F (3°C).
How much rain does Orleans get? ▼
Orleans receives 51.7 inches of precipitation annually, including 2.8 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Orleans? ▼
Orleans has a climate comfort score of 77/100 (Good), milder than 72% of U.S. cities in the PlainClimate database.
When is the growing season in Orleans? ▼
Orleans has approximately 259 frost-free days per year, with the last spring freeze around March 12 and the first fall freeze around November 26.
How much energy does heating and cooling require in Orleans? ▼
Orleans has 3,457 heating degree days and 860 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 Orleans climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00046508 near Orleans.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00046508. 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.