Climateby Month

Napa, CA weather in November

NOAA 1991-2020 normals and daily records · Napa all year

Napa is mild in November, with some rain: highs average 66°F and nights drop to about 44°F. Rain falls on about 8 days. A good month for most outdoor plans.

Normal high
66°F
Normal low
44°F
Wet days
8
2.8 in total
Muggy days
0
dew point 65°F+

How November changes from start to finish

Normal values at the start and end of November
November 1November 30
Normal high72°F61°F
Normal low46°F41°F
Chance of a wet day21%34%
Sunrise / sunset6:35 am / 5:09 pm7:06 am / 4:49 pm
Daylight10.6 h9.7 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).

A typical November day

  1. 6 am46°Fdew point 41°F
  2. 9 am54°Fdew point 45°F
  3. Noon63°Fdew point 44°F
  4. 3 pm65°Fdew point 44°F
  5. 6 pm56°Fdew point 44°F
  6. 9 pm51°Fdew point 44°F

NOAA hourly normals (local standard time) from Travis AFB (19 mi away); average wind 8 mph; clear or few clouds in 59% of daytime hours, mostly cloudy or overcast in 33%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F16 of 30
  • Hot dayshigh 90°F or more0 of 30
  • Muggy daysdaily mean dew point 65°F or more0 of 30
  • Wet daysat least 0.01 in of rain or melted snow8 of 30
  • Notable rainat least 0.10 in5 of 30
  • Freezing nightslow 32°F or below1 of 30

Average days per November, counted from daily records for each year 1991-2020.

Rain in November

Normal precipitation is 2.8 in; a dry November brings about 1.4 in and a wet one about 3.4 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Snow is very rare.

How November varies from year to year

  • Warmest November, 1991-20201995: average high 73°F
  • Coolest November1994: average high 59°F
  • Wettest November1997: 8.0 in
  • Driest November1995: 0.2 in
  • Highest reading88°F (November 6, 2020)
  • Lowest reading28°F (November 29, 2015)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

November compared with October and December

OctoberNovemberDecember
Normal high78°F66°F59°F
Normal low49°F44°F40°F
Wet days4812
Comfortable days17163
Daylight11.2 h10.1 h9.6 h

Highs change by -12°F from October and -7°F into December.

Nearby alternatives in November

How Napa ranks in November

  • Normal high132nd warmest of 378 cities; 38th of 60 in California
  • Wet days196th driest of 378
  • Comfortable days47th most of 341

What to pack for Napa in November

  • A rain jacket or umbrella – rain on about 8 days

Heating and cooling

November has 305 heating degree days and 2 cooling degree days (base 65°F), 10% of the year's total heating and cooling demand.

Questions

How cold is Napa in November?

The normal high is 66°F and the normal low is 44°F. From 1991 to 2020 the coldest November reading was 28°F (most recently on November 29, 2015).

Does it rain a lot in Napa in November?

About 8 days in November have at least 0.01 in of precipitation, and the normal total is 2.8 in. The wettest November in 1991-2020 was in 1997 (8.0 in); the driest was in 1995 (0.2 in).

Is November a good time to visit Napa?

November ranks 8th of 12 months on our comfort score for Napa (66 out of 100). It has about 16 comfortable days. The best month is May.

Where the numbers come from

  • Temperature, rain, snowfall and frost dates: Napa State Hospital (USC00046074), 1.8 mi SE of the city center, 35 ft . NOAA normals and daily records, 1991-2020.
  • Snow depth: Fairfield (USC00042934), 12 mi E of the city center, 40 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Travis AFB (USW00023202), 19 mi E of the city center, 59 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Napa County Airport (724955-93227), 6.2 mi S of the city center, 15 ft . Hourly observations, 1991-2020.