Santa Bárbara climate

Santa Bárbara Weather in December

NASA POWER reanalysis for the half-degree grid cell around Santa Bárbara, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 25°C on December 1 to 26°C on December 31, and lows from 19°C to 18°C. Normal precipitation for the month is 59 mm over about 9 wet days.

December day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Santa Bárbara, in °C, with the record for each date.101520253035151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
25°C
Average low
19°C
Precipitation
59 mm
Reanalysis high
31°CDec 9, 2020
Reanalysis low
14°CDec 30, 2002
Daylight
11 h 42 min to 11 h 41 min
Cloud cover
58%
Humidity
83%
Dew point
18°C
Wind
7.6 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Dec 125°C19°C29°C 202018°C 199446%
Dec 225°C19°C29°C 202017°C 201846%
Dec 325°C19°C31°C 202017°C 201844%
Dec 425°C19°C31°C 202017°C 200244%
Dec 525°C19°C30°C 202017°C 200243%
Dec 625°C19°C29°C 202017°C 200043%
Dec 725°C19°C30°C 202017°C 201541%
Dec 825°C19°C30°C 202017°C 201839%
Dec 925°C19°C31°C 202017°C 201138%
Dec 1025°C19°C30°C 202016°C 200238%
Dec 1125°C19°C29°C 202017°C 200237%
Dec 1225°C19°C29°C 202016°C 200036%
Dec 1325°C19°C30°C 202015°C 200036%
Dec 1425°C19°C30°C 202016°C 200035%
Dec 1525°C19°C29°C 202016°C 200034%
Dec 1625°C19°C30°C 202016°C 200033%
Dec 1725°C19°C30°C 202017°C 201832%
Dec 1825°C19°C30°C 202016°C 200031%
Dec 1925°C18°C31°C 202016°C 200030%
Dec 2025°C18°C29°C 202017°C 200031%
Dec 2126°C18°C30°C 202016°C 200029%
Dec 2226°C18°C29°C 202016°C 201328%
Dec 2326°C18°C29°C 202017°C 201829%
Dec 2426°C18°C28°C 202016°C 199329%
Dec 2526°C18°C30°C 202015°C 199328%
Dec 2626°C18°C28°C 200516°C 199326%
Dec 2726°C18°C29°C 202015°C 201824%
Dec 2826°C18°C28°C 200916°C 201523%
Dec 2926°C18°C30°C 200515°C 199324%
Dec 3026°C18°C29°C 201314°C 200224%
Dec 3126°C18°C29°C 201914°C 199322%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Santa Bárbara, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-4).

December 1
sunrise 6:43 AM, sunset 6:25 PM
December 31
sunrise 6:57 AM, sunset 6:38 PM

Every day of December: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.