Climateby Month

Keystone, SD weather in November

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

November in Keystone: chilly and mostly dry, with some snow. Highs 45°F, lows 20°F, rain or snow on about 5 days and about 6.5 in of snow.

Normal high
45°F
Normal low
20°F
Wet days
5
0.5 in total
Snowfall
6.5 in
snow on the ground 8 days

How November changes from start to finish

Normal values at the start and end of November
November 1November 30
Normal high50°F40°F
Normal low25°F16°F
Chance of a wet day19%16%
Sunrise / sunset6:30 am / 4:44 pm7:06 am / 4:17 pm
Daylight10.2 h9.2 h

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

A typical November day

  1. 6 am28°Fdew point 16°F
  2. 9 am35°Fdew point 18°F
  3. Noon41°Fdew point 17°F
  4. 3 pm40°Fdew point 18°F
  5. 6 pm32°Fdew point 17°F
  6. 9 pm30°Fdew point 17°F

NOAA hourly normals (local standard time) from Custer Co Airport (15 mi away); average wind 7 mph; clear or few clouds in 49% of daytime hours, mostly cloudy or overcast in 41%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F2 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 snow5 of 30
  • Notable rainat least 0.10 in2 of 30
  • Freezing nightslow 32°F or below29 of 30
  • Snow on the groundsnow depth 1 in or more8 of 30

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

Rain and snow in November

Normal precipitation is 0.5 in; a dry November brings about 0.3 in and a wet one about 0.7 in (25th and 75th percentiles). Days with half an inch or more are rare. Normal snowfall is 6.5 in, with about 2 days of an inch or more.

How November varies from year to year

  • Warmest November, 1991-20201999: average high 57°F
  • Coolest November2000: average high 35°F
  • Wettest November1998: 1.5 in
  • Driest November1997: 0.09 in
  • Highest reading75°F (November 8, 1999)
  • Lowest reading-9°F (November 24, 1993)

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 high55°F45°F37°F
Normal low29°F20°F13°F
Wet days755
Comfortable days820
Daylight11.0 h9.7 h9.0 h

Highs change by -10°F from October and -8°F into December.

Nearby alternatives in November

How Keystone ranks in November

  • Normal high343rd warmest of 378 cities; 3rd of 4 in South Dakota
  • Wet days79th driest of 378
  • Comfortable days275th most of 341

What to pack for Keystone in November

  • A warm jacket – lows near 20°F, highs near 45°F
  • Layers – afternoons near 45°F but nights near 20°F
  • Waterproof boots – about 6.5 in of snow in a typical year
  • A hat and gloves – about 29 freezing nights

Heating and cooling

November has 977 heating degree days and 0 cooling degree days (base 65°F), 11% of the year's total heating and cooling demand.

Questions

How cold is Keystone in November?

The normal high is 45°F and the normal low is 20°F. From 1991 to 2020 the coldest November reading was -9°F (most recently on November 24, 1993).

Does it rain a lot in Keystone in November?

About 5 days in November have at least 0.01 in of precipitation, and the normal total is 0.5 in. The wettest November in 1991-2020 was in 1998 (1.5 in); the driest was in 1997 (0.09 in).

Does it snow in Keystone in November?

Yes. Normal snowfall in November is 6.5 in, and snow covers the ground on about 8 days.

Is November a good time to visit Keystone?

November ranks 9th of 12 months on our comfort score for Keystone (41 out of 100). It has about 2 comfortable days. The best month is June.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: Pactola Dam (USC00396427), 12 mi NNW of the city center, 4,720 ft (385 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour: Custer Co Airport (USW00094032), 15 mi SW of the city center, 5,545 ft (1,210 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Cloud cover: Ellsworth AFB (USW00024006), 24 mi NE of the city center, 3,215 ft (1,120 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Rapid City Regional Airport (726620-24090), 21 mi ENE of the city center, 3,162 ft (1,173 ft lower than the city). Hourly observations, 1991-2020.