São João da Talha climate

São João da Talha Weather in December

1991-2020 means of the daily record at Lisboa Geofisica (GHCN PO000008535), 6 km from São João da Talha

Average highs run from 16°C on December 1 to 15°C on December 31, and lows from 10°C to 10°C. Normal precipitation for the month is 108 mm over about 9 wet days.

December day by day

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

Normal daily high and low temperature at São João da Talha, in °C, with the record for each date.0510152025151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
15°C
Average low
10°C
Precipitation
108 mm
Record high
23°CDec 1, 1985
Record low
0°CDec 26, 1926
Daylight
9 h 39 min to 9 h 29 min
Cloud cover
60%
Humidity
84%
Dew point
8°C
Wind
15.1 km/h

Every day of the month

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

DateNormal highNormal lowRecord highRecord lowChance wet
Dec 116°C10°C23°C 19854°C 198037%
Dec 215°C10°C22°C 19854°C 190336%
Dec 316°C10°C20°C 20153°C 198034%
Dec 415°C10°C21°C 19943°C 193634%
Dec 516°C10°C20°C 20103°C 193334%
Dec 616°C10°C20°C 20184°C 194335%
Dec 716°C10°C20°C 20093°C 195635%
Dec 816°C10°C19°C 19944°C 195634%
Dec 916°C10°C20°C 20104°C 192834%
Dec 1016°C10°C20°C 19813°C 195634%
Dec 1115°C10°C19°C 19552°C 192234%
Dec 1215°C10°C19°C 19483°C 195635%
Dec 1315°C10°C21°C 19813°C 196735%
Dec 1415°C10°C19°C 19893°C 194934%
Dec 1515°C9°C22°C 20152°C 190133%
Dec 1615°C9°C19°C 19874°C 196433%
Dec 1715°C9°C20°C 20152°C 195734%
Dec 1816°C10°C20°C 20021°C 193336%
Dec 1915°C10°C19°C 20152°C 191335%
Dec 2015°C9°C19°C 20182°C 191335%
Dec 2116°C10°C20°C 20123°C 193134%
Dec 2215°C9°C22°C 19771°C 193333%
Dec 2314°C9°C19°C 19771°C 193334%
Dec 2415°C9°C19°C 19771°C 196334%
Dec 2514°C9°C20°C 19451°C 196235%
Dec 2615°C9°C19°C 19450°C 192635%
Dec 2715°C9°C19°C 19952°C 197035%
Dec 2816°C9°C18°C 20092°C 194036%
Dec 2915°C10°C20°C 20191°C 193536%
Dec 3016°C10°C18°C 19781°C 194136%
Dec 3115°C10°C20°C 20211°C 191736%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at São João da Talha, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+0).

December 1
sunrise 7:36 AM, sunset 5:15 PM
December 31
sunrise 7:55 AM, sunset 5:24 PM

Every day of December: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station PO000008535, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.