São Mamede climate

São Mamede Weather in December

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

Average highs run from 36°C on December 1 to 35°C on December 31, and lows from 21°C to 21°C. Normal precipitation for the month is 25 mm over about 3 wet days.

December day by day

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

Normal daily high and low temperature at São Mamede, in °C, with the record for each date.152025303540151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
36°C
Average low
21°C
Precipitation
25 mm
Reanalysis high
39°CDec 3, 2019
Reanalysis low
18°CDec 4, 1994
Daylight
12 h 29 min to 12 h 31 min
Cloud cover
54%
Humidity
56%
Dew point
17°C
Wind
22.3 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 136°C21°C38°C 200418°C 20047%
Dec 236°C21°C39°C 201918°C 19948%
Dec 336°C21°C39°C 201918°C 19948%
Dec 436°C21°C39°C 199718°C 19948%
Dec 536°C21°C38°C 199719°C 20047%
Dec 636°C21°C38°C 199719°C 20028%
Dec 736°C21°C39°C 201619°C 20068%
Dec 836°C21°C38°C 201619°C 20118%
Dec 936°C21°C38°C 201619°C 199310%
Dec 1036°C21°C38°C 201619°C 200511%
Dec 1136°C21°C38°C 201519°C 199611%
Dec 1236°C21°C38°C 201619°C 199612%
Dec 1336°C21°C38°C 199818°C 200512%
Dec 1436°C21°C38°C 199519°C 200513%
Dec 1536°C21°C38°C 199519°C 201813%
Dec 1636°C21°C37°C 199519°C 201813%
Dec 1736°C21°C38°C 199119°C 201113%
Dec 1836°C21°C37°C 201919°C 201113%
Dec 1935°C21°C38°C 199419°C 199813%
Dec 2035°C21°C37°C 199319°C 200013%
Dec 2135°C21°C38°C 199319°C 200014%
Dec 2235°C21°C38°C 199319°C 200516%
Dec 2335°C21°C38°C 201918°C 199117%
Dec 2435°C21°C38°C 201919°C 199118%
Dec 2535°C21°C37°C 201920°C 200718%
Dec 2635°C21°C38°C 201220°C 199818%
Dec 2735°C21°C37°C 201218°C 199218%
Dec 2835°C21°C37°C 199519°C 201019%
Dec 2935°C21°C37°C 201719°C 200720%
Dec 3035°C21°C38°C 199520°C 201321%
Dec 3135°C21°C38°C 199319°C 201622%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at São Mamede, in percent.05101520251102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-3).

December 1
sunrise 5:03 AM, sunset 5:32 PM
December 31
sunrise 5:16 AM, sunset 5:47 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.