Climate Comfort Score
85/100
Excellent
NOAA 1991–2020 normals 61°F annual avg Public-domain federal data
Oceanside Muni, CA Climate
Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score
- 61°F
- Avg annual temp
- 85/100
- Comfort score
- 11.9"
- Annual precip
- 322d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Oceanside Muni
Oceanside Muni, California averages 61°F a year and scores 85/100 on the comfort index - excellent, milder than 89% of U.S. cities.
- 61°F
- average temperature, NOAA 1991-2020 normal
- 85/100
- comfort score, milder than 89% of U.S. cities
- 11.9"
- precipitation, annual total
- 322 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
61°F (16°C)
Avg High
71°F
Avg Low
51°F
Annual Precip
11.9"
Comfort Score
85/100
Excellent
Avg Annual Temperature
61°F
30-year mean (NOAA NCEI)
Annual Precipitation
11.9"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Oceanside Muni) 85.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Oceanside Muni area.
How Oceanside Muni compares to every U.S. city
Oceanside Muni's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
85 Top 11% higher than 89% 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 Oceanside Muni
MethodologyOceanside Muni'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 | 67°F (19°C) | 41°F (5°C) | 54°F (12°C) | 2.4" | 2.5 | 0.0 |
| February | 66°F (19°C) | 42°F (6°C) | 54°F (12°C) | 2.9" | 1.3 | 0.0 |
| March | 66°F (19°C) | 46°F (8°C) | 56°F (13°C) | 1.7" | 0.1 | 0.2 |
| April | 69°F (21°C) | 48°F (9°C) | 58°F (15°C) | 0.9" | 0.0 | 0.3 |
| May | 70°F (21°C) | 54°F (12°C) | 62°F (17°C) | 0.3" | 0.0 | 0.1 |
| June | 73°F (23°C) | 58°F (15°C) | 66°F (19°C) | 0.1" | 0.0 | 0.0 |
| July | 77°F (25°C) | 62°F (17°C) | 69°F (21°C) | 0.1" | 0.0 | 0.2 |
| August | 78°F (26°C) | 62°F (17°C) | 70°F (21°C) | 0.0" | 0.0 | 0.4 |
| September | 78°F (25°C) | 59°F (15°C) | 69°F (20°C) | 0.1" | 0.0 | 1.3 |
| October | 75°F (24°C) | 53°F (11°C) | 64°F (18°C) | 0.6" | 0.0 | 1.7 |
| November | 71°F (22°C) | 44°F (7°C) | 57°F (14°C) | 0.8" | 0.3 | 0.5 |
| December | 66°F (19°C) | 40°F (4°C) | 53°F (12°C) | 2.0" | 3.9 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 2.4"
6.4 days with precipitation
February 2.9"
8.9 days with precipitation
March 1.7"
7.8 days with precipitation
April 0.9"
4.9 days with precipitation
May 0.3"
3.7 days with precipitation
June 0.1"
1.5 days with precipitation
July 0.1"
0.7 days with precipitation
August 0.0"
0.7 days with precipitation
September 0.1"
1.6 days with precipitation
October 0.6"
4.7 days with precipitation
November 0.8"
5.8 days with precipitation
December 2.0"
7.0 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
December 11
50% probability date
Last Spring Freeze
January 23
50% probability date
Growing Season
322 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
1,960
Higher = more heating needed
Cooling Degree Days
509
Higher = more cooling needed
Warmest Month
August
Coldest Month
December
What Oceanside Muni's climate means for you
Oceanside Muni runs 61°F a year - peaking in August, coldest in December.
- Gardeners get about 322 frost-free days, with the last spring freeze near January 23 - plan the planting calendar around it, not the regional average.
- Energy bills track 1,960 heating and 509 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: Oceanside Muni, CA
In Oceanside Muni, California, the NOAA 1991–2020 climate normals put the annual average temperature at 61°F, ranging from a mean daily high of 71°F to a mean daily low of 51°F. August is typically the warmest month of the year, while December is the coldest. As thirty-year averages computed from station USW00053121, these numbers smooth out year-to-year noise into a working baseline for a typical month.
Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. Oceanside Muni sees about 11.9 inches of precipitation a year, predominantly as rainfall. The frost-free season averages 322 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near January 23 and the first fall freeze near December 11. On the energy side, 1,960 heating degree days and 509 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Oceanside Muni scores 85/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Shoulder seasons bring the mildest highs and lows in the monthly tables above, summer brings August-driven heat, and winter brings December-driven cold - use that rhythm for planning. These figures are thirty-year averages rather than forecasts, so a specific year may still run warmer, cooler, wetter, or drier than what's shown.
Frequently Asked Questions
What is the average temperature in Oceanside Muni, CA? ▼
The average annual temperature in Oceanside Muni, California is 61°F. The warmest month averages 78°F (26°C) and the coldest averages 40°F (4°C).
How much rain does Oceanside Muni get? ▼
Oceanside Muni receives 11.9 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Oceanside Muni? ▼
Oceanside Muni has a climate comfort score of 85/100 (Excellent), milder than 89% of U.S. cities in the PlainClimate database.
When is the growing season in Oceanside Muni? ▼
Oceanside Muni has approximately 322 frost-free days per year, with the last spring freeze around January 23 and the first fall freeze around December 11.
How much energy does heating and cooling require in Oceanside Muni? ▼
Oceanside Muni has 1,960 heating degree days and 509 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 Oceanside Muni climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00053121 near Oceanside Muni.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00053121. 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.