San Pedro climate

San Pedro Weather in December

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

Average highs run from 15°C on December 1 to 14°C on December 31, and lows from 5°C to 5°C. Normal precipitation for the month is 112 mm over about 21 wet days.

December day by day

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

Normal daily high and low temperature at San Pedro, in °C, with the record for each date.05101520151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
14°C
Average low
5°C
Precipitation
112 mm
Reanalysis high
20°CDec 2, 1997
Reanalysis low
1°CDec 24, 1998
Daylight
13 h 01 min to 13 h 05 min
Cloud cover
84%
Humidity
77%
Dew point
5°C
Wind
14.8 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 115°C5°C17°C 20182°C 200156%
Dec 214°C5°C20°C 19973°C 199857%
Dec 314°C5°C20°C 19973°C 200258%
Dec 414°C5°C18°C 19972°C 200258%
Dec 514°C5°C18°C 20092°C 201759%
Dec 614°C5°C18°C 20142°C 200060%
Dec 714°C5°C17°C 20093°C 200861%
Dec 814°C5°C17°C 19972°C 201761%
Dec 914°C5°C18°C 19913°C 199761%
Dec 1014°C5°C19°C 20172°C 200760%
Dec 1114°C5°C18°C 20202°C 199662%
Dec 1214°C5°C17°C 20182°C 199662%
Dec 1314°C5°C19°C 20153°C 199162%
Dec 1415°C5°C19°C 20003°C 200063%
Dec 1515°C5°C18°C 20003°C 199664%
Dec 1615°C5°C17°C 20163°C 201063%
Dec 1715°C5°C18°C 19912°C 200162%
Dec 1814°C5°C19°C 20163°C 201364%
Dec 1914°C5°C18°C 19922°C 201865%
Dec 2014°C5°C17°C 19913°C 201167%
Dec 2114°C5°C19°C 19942°C 201370%
Dec 2214°C5°C19°C 19912°C 199872%
Dec 2314°C5°C17°C 20052°C 199873%
Dec 2414°C5°C18°C 19931°C 199874%
Dec 2514°C5°C17°C 20192°C 199876%
Dec 2614°C5°C18°C 19972°C 199877%
Dec 2714°C5°C19°C 19972°C 199578%
Dec 2814°C5°C17°C 20023°C 200878%
Dec 2914°C5°C17°C 20022°C 200878%
Dec 3014°C5°C17°C 19973°C 200977%
Dec 3114°C5°C17°C 20013°C 200478%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at San Pedro, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

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

December 1
sunrise 5:54 AM, sunset 6:55 PM
December 31
sunrise 6:06 AM, sunset 7:11 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 2026-10-03. Sun and moon: computed with the NOAA solar equations and Meeus.