1. WeatherSpark.com
  2. United States
  3. California
  4. San Luis Obispo
  5. November

Average Weather in November in San Luis Obispo California, United States

Daily low temperatures decrease by 5°F, from 48°F to 43°F, rarely falling below 34°F or exceeding 56°F.

For reference, on August 24, the hottest day of the year, temperatures in San Luis Obispo typically range from 55°F to 78°F, while on December 27, the coldest day of the year, they range from 41°F to 63°F.

Average High and Low Temperature in November

The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on November. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in November

Average Hourly Temperature in November in San Luis Obispo1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM4 AM8 AM12 PM4 PM8 PM12 AMOctDecvery coldcoldcoldcoolcoolcomfortablewarm
The average hourly temperature, color coded into bands: frigid < 15°F < freezing < 32°F < very cold < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The shaded overlays indicate night and civil twilight.

Hacienda La Calera, Chile (5,695 miles away); Campos do Jordão, Brazil (6,341 miles); and Stutterheim, South Africa (10,617 miles) are the far-away foreign places with temperatures most similar to San Luis Obispo (view comparison).

Clouds

The month of November in San Luis Obispo experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 27% to 39%.

The clearest day of the month is November 1, with clear, mostly clear, or partly cloudy conditions 73% of the time.

For reference, on February 17, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 47%, while on August 24, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 92%.

Cloud Cover Categories in November

Cloud Cover Categories in November in San Luis Obispo181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%OctDecNov 173%Nov 173%Nov 3061%Nov 3061%Nov 1168%Nov 1168%Nov 2163%Nov 2163%clearmostly clearovercastmostly cloudypartly cloudy
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds: clear < 20% < mostly clear < 40% < partly cloudy < 60% < mostly cloudy < 80% < overcast.

Precipitation

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In San Luis Obispo, the chance of a wet day over the course of November is increasing, starting the month at 10% and ending it at 14%.

For reference, the year's highest daily chance of a wet day is 24% on February 20, and its lowest chance is 0% on July 30.

Probability of Precipitation in November

The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during November in San Luis Obispo is increasing, starting the month at 0.9 inches, when it rarely exceeds 2.3 inches, and ending the month at 1.6 inches, when it rarely exceeds 3.5 inches or falls below 0.1 inches.

Average Monthly Rainfall in November

The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average liquid-equivalent snowfall.

Sun

Over the course of November in San Luis Obispo, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 45 minutes, implying an average daily decrease of 1 minute, 33 seconds, and weekly decrease of 10 minutes, 52 seconds.

The shortest day of the month is November 30, with 9 hours, 58 minutes of daylight and the longest day is November 1, with 10 hours, 43 minutes of daylight.

Hours of Daylight and Twilight in November

The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The latest sunrise of the month in San Luis Obispo is 7:27 AM on November 4 and the earliest sunrise is 59 minutes earlier at 6:28 AM on November 5.

The latest sunset is 6:07 PM on November 1 and the earliest sunset is 1 hour, 17 minutes earlier at 4:50 PM on November 30.

Daylight saving time (DST) ends at 1:00 AM on November 5, 2017, shifting sunrise and sunset to be an hour earlier.

For reference, on June 21, the longest day of the year, the Sun rises at 5:48 AM and sets 14 hours, 32 minutes later, at 8:20 PM, while on December 21, the shortest day of the year, it rises at 7:07 AM and sets 9 hours, 47 minutes later, at 4:54 PM.

Sunrise & Sunset with Twilight and Daylight Saving Time in November

Sunrise & Sunset with Twilight and Daylight Saving Time in November in San Luis Obispo1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMOctDec6:28 AM6:28 AMNov 55:03 PMNov 55:03 PM6:52 AM6:52 AMNov 304:50 PMNov 304:50 PM6:43 AM6:43 AMNov 214:53 PMNov 214:53 PMDSTNov 5DSTNov 5SolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of November. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the 'DST' labels.

Humidity

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in San Luis Obispo is essentially constant during November, remaining around 0% throughout.

For reference, on July 13, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in November

The percentage of time spent at various humidity comfort levels, categorized by dew point: dry < 55°F < comfortable < 60°F < humid < 65°F < muggy < 70°F < oppressive < 75°F < miserable.

Wind

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in San Luis Obispo is gradually increasing during November, increasing from 7.5 miles per hour to 8.2 miles per hour over the course of the month.

For reference, on May 24, the windiest day of the year, the daily average wind speed is 9.3 miles per hour, while on September 10, the calmest day of the year, the daily average wind speed is 7.0 miles per hour.

Average Wind Speed in November

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.
The hourly average wind direction in San Luis Obispo throughout November is predominantly from the north, with a peak proportion of 46% on November 12.

Wind Direction in November

Wind Direction in November in San Luis Obispo181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%OctDecwestsoutheastnorth
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions (north, east, south, and west), excluding hours in which the mean wind speed is less than 1 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Water Temperature

San Luis Obispo is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature in San Luis Obispo is essentially constant during November, remaining within 1°F of 59°F throughout.

Average Water Temperature in November

The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

Growing Season

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season in San Luis Obispo typically lasts for 11 months (329 days), from around January 24 to around December 19, rarely starting after March 4, or ending before November 22.

The month of November in San Luis Obispo is more likely than not fully within the growing season, with the chance that a given day is in the growing season decreasing from 99% to 81% over the course of the month.

Time Spent in Various Temperature Bands and the Growing Season in November

Time Spent in Various Temperature Bands and the Growing Season in November in San Luis Obispogrowing season181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%OctDec99%Nov 199%Nov 181%Nov 3081%Nov 3097%Nov 1197%Nov 1191%Nov 2191%Nov 2150%Dec 1950%Dec 19very coldcoldcoolcomfortablewarm
The percentage of time spent in various temperature bands: frigid < 15°F < freezing < 32°F < very cold < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in San Luis Obispo are increasing during November, increasing by 209°F, from 2,909°F to 3,118°F, over the course of the month.

Growing Degree Days in November

The average growing degree days accumulated over the course of November, with 25th to 75th and 10th to 90th percentile bands.

Solar Energy

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in San Luis Obispo is decreasing during November, falling by 1.1 kWh, from 4.1 kWh to 3.0 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in November

Average Daily Incident Shortwave Solar Energy in November in San Luis Obispo181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300.0 kWh0.5 kWh1.0 kWh1.5 kWh2.0 kWh2.5 kWh3.0 kWh3.5 kWh4.0 kWh4.5 kWh5.0 kWh5.5 kWh6.0 kWh6.5 kWhOctDecNov 14.1 kWhNov 14.1 kWhNov 303.0 kWhNov 303.0 kWhNov 113.6 kWhNov 113.6 kWhNov 213.2 kWhNov 213.2 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

Topography

For the purposes of this report, the geographical coordinates of San Luis Obispo are 35.283 deg latitude, -120.660 deg longitude, and 354 ft elevation.

The topography within 2 miles of San Luis Obispo contains very significant variations in elevation, with a maximum elevation change of 1,535 feet and an average elevation above sea level of 416 feet. Within 10 miles contains very significant variations in elevation (2,841 feet). Within 50 miles contains large variations in elevation (5,446 feet).

The area within 2 miles of San Luis Obispo is covered by artificial surfaces (60%) and grassland (29%), within 10 miles by grassland (50%) and shrubs (20%), and within 50 miles by grassland (38%) and water (35%).

Data Sources

This report illustrates the typical weather in San Luis Obispo year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in San Luis Obispo.

For each station, the records are corrected for the elevation difference between that station and San Luis Obispo according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at San Luis Obispo is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between San Luis Obispo and a given station.

The stations contributing to this reconstruction are: San Luis Obispo County Airport (91%, 5.4 kilometers, south); Paso Robles Municipal Airport (6%, 43 kilometers, north); and Point Piedras Blanca (2.9%, 71 kilometers, northwest).

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for aiports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.