Climate Comfort Score
75/100
Good
NOAA 1991–2020 normals 58°F annual avg Public-domain federal data
Oakland Metro, CA Climate
Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →
- 58°F
- Avg annual temp
- 75/100
- Comfort score
- 18.7"
- Annual precip
- 350d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Oakland Metro
Oakland Metro, California averages 58°F a year and scores 75/100 on the comfort index - good, milder than 72% of U.S. cities.
- 58°F
- average temperature, NOAA 1991-2020 normal
- 75/100
- comfort score, milder than 72% of U.S. cities
- 18.7"
- precipitation, annual total
- 350 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
58°F (15°C)
Avg High
66°F
Avg Low
50°F
Annual Precip
18.7"
Comfort Score
75/100
Good
Avg Annual Temperature
58°F
30-year mean (NOAA NCEI)
Annual Precipitation
18.7"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Oakland Metro) 75.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Oakland Metro area.
How Oakland Metro compares to every U.S. city
Oakland Metro's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
75 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 Oakland Metro
MethodologyZooming out from Oakland Metro'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 | 58°F (14°C) | 42°F (6°C) | 50°F (10°C) | 3.4" | 1.1 | 0.0 |
| February | 60°F (16°C) | 45°F (7°C) | 53°F (11°C) | 3.5" | 0.2 | 0.0 |
| March | 63°F (17°C) | 47°F (8°C) | 55°F (13°C) | 2.7" | 0.0 | 0.0 |
| April | 66°F (19°C) | 49°F (10°C) | 57°F (14°C) | 1.4" | 0.0 | 0.0 |
| May | 68°F (20°C) | 52°F (11°C) | 60°F (16°C) | 0.6" | 0.0 | 0.6 |
| June | 71°F (22°C) | 54°F (12°C) | 63°F (17°C) | 0.2" | 0.0 | 0.8 |
| July | 72°F (22°C) | 56°F (13°C) | 64°F (18°C) | 0.0" | 0.0 | 0.3 |
| August | 72°F (22°C) | 57°F (14°C) | 65°F (18°C) | 0.0" | 0.0 | 0.9 |
| September | 74°F (23°C) | 56°F (13°C) | 65°F (18°C) | 0.1" | 0.0 | 2.1 |
| October | 72°F (22°C) | 51°F (11°C) | 61°F (16°C) | 0.9" | 0.0 | 0.8 |
| November | 64°F (18°C) | 46°F (8°C) | 55°F (13°C) | 2.0" | 0.2 | 0.0 |
| December | 58°F (14°C) | 42°F (6°C) | 50°F (10°C) | 3.8" | 1.0 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 3.4"
10.5 days with precipitation
February 3.5"
10.2 days with precipitation
March 2.7"
10.4 days with precipitation
April 1.4"
6.2 days with precipitation
May 0.6"
3.1 days with precipitation
June 0.2"
1.0 days with precipitation
July 0.0"
0.4 days with precipitation
August 0.0"
0.5 days with precipitation
September 0.1"
1.5 days with precipitation
October 0.9"
4.8 days with precipitation
November 2.0"
8.4 days with precipitation
December 3.8"
11.2 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
December 23
50% probability date
Last Spring Freeze
January 7
50% probability date
Growing Season
350 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
2,690
Higher = more heating needed
Cooling Degree Days
175
Higher = more cooling needed
Warmest Month
September
Coldest Month
January
Humidity & Wind
Monthly averages from hourly observations
| Month | Humidity | Wind (mph) | Clear Sky % | Overcast % |
|---|---|---|---|---|
| January | 76% | 6.6 | 31% | 24% |
| February | 74% | 8.4 | 24% | 27% |
| March | 71% | 9.4 | 23% | 17% |
| April | 70% | 10.0 | 25% | 14% |
| May | 74% | 10.6 | 22% | 10% |
| June | 75% | 9.9 | 29% | 9% |
| July | 78% | 10.0 | 18% | 7% |
| August | 74% | 8.6 | 34% | 5% |
| September | 71% | 7.5 | 36% | 15% |
| October | 70% | 6.5 | 33% | 15% |
| November | 72% | 6.4 | 37% | 19% |
| December | 76% | 6.5 | 31% | 25% |
What Oakland Metro's climate means for you
Oakland Metro runs 58°F a year - peaking in September, coldest in January.
- Gardeners get about 350 frost-free days, with the last spring freeze near January 7 - plan the planting calendar around it, not the regional average.
- Energy bills track 2,690 heating and 175 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: Oakland Metro, CA
Based on station USW00023230 feeding NOAA's 1991–2020 climate normals, Oakland Metro, California averages 58°F a year, ranging from a mean daily high of 66°F to a mean daily low of 50°F. September 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. Oakland Metro receives roughly 18.7 inches of precipitation each year, predominantly as rainfall. The frost-free season averages 350 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near January 7 and the first fall freeze near December 23. For energy use, 2,690 heating degree days and 175 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Oakland Metro scores 75/100 (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, September-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 Oakland Metro, CA? ▼
The average annual temperature in Oakland Metro, California is 58°F. The warmest month averages 74°F (23°C) and the coldest averages 42°F (6°C).
How much rain does Oakland Metro get? ▼
Oakland Metro receives 18.7 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Oakland Metro? ▼
Oakland Metro has a climate comfort score of 75/100 (Good), milder than 72% of U.S. cities in the PlainClimate database.
When is the growing season in Oakland Metro? ▼
Oakland Metro has approximately 350 frost-free days per year, with the last spring freeze around January 7 and the first fall freeze around December 23.
How much energy does heating and cooling require in Oakland Metro? ▼
Oakland Metro has 2,690 heating degree days and 175 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 Oakland Metro climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00023230 near Oakland Metro.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00023230. 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.