Climate Comfort Score
77/100
Good
NOAA 1991–2020 normals 67°F annual avg Public-domain federal data
Irvine Rch, CA Climate
Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score
- 67°F
- Avg annual temp
- 77/100
- Comfort score
- 13.1"
- Annual precip
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Irvine Rch
Irvine Rch, California averages 67°F a year and scores 77/100 on the comfort index - good, milder than 72% of U.S. cities.
- 67°F
- average temperature, NOAA 1991-2020 normal
- 77/100
- comfort score, milder than 72% of U.S. cities
- 13.1"
- yearly precipitation total
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
67°F (19°C)
Avg High
79°F
Avg Low
55°F
Annual Precip
13.1"
Comfort Score
77/100
Good
Avg Annual Temperature
67°F
30-year mean (NOAA NCEI)
Annual Precipitation
13.1"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Irvine Rch) 77.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Irvine Rch area.
How Irvine Rch compares to every U.S. city
Irvine Rch'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 Irvine Rch
MethodologyIrvine Rch's NOAA 1991-2020 normal sits inside a longer story: U.S. land temperatures have been tracking (and drifting from) the global mean since 1900, and the chart below shows that spread, with the most recent decade running 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 | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 69°F (21°C) | 49°F (9°C) | 59°F (15°C) | 2.7" | 0.3 | 0.1 |
| February | 71°F (21°C) | 48°F (9°C) | 59°F (15°C) | 3.5" | 0.1 | 0.2 |
| March | 73°F (23°C) | 50°F (10°C) | 61°F (16°C) | 1.7" | 0.0 | 1.0 |
| April | 76°F (25°C) | 52°F (11°C) | 64°F (18°C) | 0.8" | 0.0 | 2.3 |
| May | 79°F (26°C) | 56°F (13°C) | 67°F (20°C) | 0.3" | 0.0 | 3.2 |
| June | 83°F (28°C) | 59°F (15°C) | 71°F (21°C) | 0.0" | 0.0 | 3.7 |
| July | 88°F (31°C) | 62°F (17°C) | 75°F (24°C) | 0.1" | 0.0 | 13.2 |
| August | 90°F (32°C) | 62°F (17°C) | 76°F (25°C) | 0.0" | 0.0 | 15.5 |
| September | 89°F (32°C) | 62°F (17°C) | 75°F (24°C) | 0.1" | 0.0 | 13.3 |
| October | 84°F (29°C) | 58°F (14°C) | 71°F (22°C) | 0.6" | 0.0 | 7.0 |
| November | 76°F (24°C) | 53°F (11°C) | 64°F (18°C) | 0.8" | 0.0 | 2.2 |
| December | 68°F (20°C) | 48°F (9°C) | 58°F (14°C) | 2.3" | 0.3 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 2.7"
4.1 days with precipitation
February 3.5"
4.1 days with precipitation
March 1.7"
3.0 days with precipitation
April 0.8"
2.2 days with precipitation
May 0.3"
1.6 days with precipitation
June 0.0"
0.2 days with precipitation
July 0.1"
0.3 days with precipitation
August 0.0"
0.1 days with precipitation
September 0.1"
0.4 days with precipitation
October 0.6"
1.9 days with precipitation
November 0.8"
2.4 days with precipitation
December 2.3"
4.2 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
N/A
50% probability date
Last Spring Freeze
N/A
50% probability date
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
969
Higher = more heating needed
Cooling Degree Days
1,619
Higher = more cooling needed
Warmest Month
August
Coldest Month
December
What Irvine Rch's climate means for you
Irvine Rch runs 67°F a year - peaking in August, coldest in December.
- Energy bills track 969 heating and 1,619 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: Irvine Rch, CA
Irvine Rch, California runs an annual average of 67°F, ranging from a mean daily high of 79°F to a mean daily low of 55°F, per NOAA's 1991–2020 climate normals. August is typically the warmest month of the year, while December is the coldest. Drawn from station USC00044303, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Irvine Rch averages 13.1 inches of precipitation a year, predominantly as rainfall, and that matters as much to daily life here as temperature does. Growing-season length varies with elevation and microclimate. As for energy demand, 969 heating degree days and 1,619 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Irvine Rch 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 August-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 Irvine Rch, CA? ▼
The average annual temperature in Irvine Rch, California is 67°F. The warmest month averages 90°F (32°C) and the coldest averages 48°F (9°C).
How much rain does Irvine Rch get? ▼
Irvine Rch receives 13.1 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Irvine Rch? ▼
Irvine Rch 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 Irvine Rch? ▼
Growing season data is not available for Irvine Rch.
How much energy does heating and cooling require in Irvine Rch? ▼
Irvine Rch has 969 heating degree days and 1,619 cooling degree days annually, a fairly balanced heating/cooling split. 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 Irvine Rch climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00044303 near Irvine Rch.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00044303. 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.