Mersa climate

Mersa Weather in December

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

Average highs run from 22°C on December 1 to 22°C on December 31, and lows from 8°C to 8°C. Normal precipitation for the month is 12 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 Mersa, in °C, with the record for each date.051015202530151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
22°C
Average low
8°C
Precipitation
12 mm
Reanalysis high
26°CDec 23, 2005
Reanalysis low
3°CDec 30, 1998
Daylight
11 h 29 min to 11 h 27 min
Cloud cover
36%
Humidity
59%
Dew point
4°C
Wind
9.4 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 122°C8°C25°C 20025°C 200510%
Dec 222°C8°C25°C 20125°C 20059%
Dec 322°C8°C25°C 20125°C 20049%
Dec 422°C8°C24°C 20124°C 20049%
Dec 522°C8°C24°C 20024°C 20168%
Dec 622°C8°C24°C 20095°C 20168%
Dec 722°C8°C25°C 20095°C 19988%
Dec 822°C8°C24°C 20005°C 19988%
Dec 922°C8°C25°C 20045°C 20118%
Dec 1022°C8°C25°C 20025°C 20179%
Dec 1122°C8°C24°C 20025°C 20079%
Dec 1222°C8°C23°C 20025°C 19949%
Dec 1322°C8°C25°C 20045°C 20039%
Dec 1422°C8°C25°C 20045°C 20038%
Dec 1522°C8°C25°C 20044°C 20038%
Dec 1622°C8°C25°C 20055°C 20077%
Dec 1722°C8°C25°C 20054°C 20077%
Dec 1822°C8°C24°C 20014°C 20076%
Dec 1922°C8°C24°C 19974°C 20165%
Dec 2022°C8°C26°C 20045°C 20086%
Dec 2122°C8°C24°C 20124°C 20176%
Dec 2222°C8°C25°C 20043°C 20177%
Dec 2322°C8°C26°C 20054°C 20177%
Dec 2422°C8°C25°C 20054°C 20178%
Dec 2522°C8°C25°C 20055°C 19988%
Dec 2622°C8°C24°C 20014°C 20038%
Dec 2722°C8°C25°C 20065°C 20079%
Dec 2822°C8°C23°C 20195°C 20059%
Dec 2922°C8°C24°C 19943°C 200510%
Dec 3022°C8°C24°C 20203°C 199810%
Dec 3122°C8°C24°C 20204°C 201610%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Mersa, in percent.02.557.51012.51102030
  • Chance of a wet day

Sunrise and sunset

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

December 1
sunrise 6:26 AM, sunset 5:55 PM
December 31
sunrise 6:41 AM, sunset 6:08 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.