Amatitlán climate

Amatitlán Weather in December

NASA POWER reanalysis for the half-degree grid cell around Amatitlán, 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 15°C to 14°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 Amatitlán, in °C, with the record for each date.5101520253035151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
25°C
Average low
14°C
Precipitation
12 mm
Reanalysis high
31°CDec 27, 1997
Reanalysis low
8°CDec 15, 2010
Daylight
11 h 20 min to 11 h 17 min
Cloud cover
36%
Humidity
79%
Dew point
15°C
Wind
13.7 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°C15°C29°C 201611°C 201116%
Dec 225°C15°C28°C 201611°C 201115%
Dec 325°C15°C30°C 199410°C 199914%
Dec 425°C15°C30°C 199411°C 199913%
Dec 525°C15°C28°C 199411°C 200712%
Dec 625°C15°C29°C 199412°C 200011%
Dec 725°C15°C29°C 199712°C 200310%
Dec 825°C15°C30°C 199710°C 20109%
Dec 925°C15°C30°C 199411°C 20179%
Dec 1025°C14°C30°C 19949°C 20109%
Dec 1125°C14°C30°C 20129°C 20109%
Dec 1225°C14°C29°C 199410°C 20179%
Dec 1325°C14°C29°C 20099°C 20089%
Dec 1425°C14°C30°C 19949°C 201010%
Dec 1525°C14°C30°C 19948°C 20109%
Dec 1625°C14°C29°C 199410°C 20109%
Dec 1725°C14°C29°C 20169°C 20108%
Dec 1825°C14°C30°C 20169°C 20108%
Dec 1925°C14°C30°C 199411°C 19927%
Dec 2025°C14°C30°C 201210°C 19937%
Dec 2125°C14°C31°C 199410°C 20037%
Dec 2225°C14°C31°C 19949°C 20187%
Dec 2325°C14°C30°C 199710°C 20107%
Dec 2425°C14°C30°C 199711°C 20097%
Dec 2525°C14°C30°C 199712°C 20097%
Dec 2626°C14°C31°C 201211°C 20208%
Dec 2726°C14°C31°C 199710°C 20108%
Dec 2826°C14°C31°C 20129°C 19997%
Dec 2926°C14°C31°C 20128°C 19997%
Dec 3026°C14°C29°C 19949°C 19997%
Dec 3126°C14°C30°C 19949°C 19998%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Amatitlán, in percent.051015201102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 6:12 AM, sunset 5:32 PM
December 31
sunrise 6:27 AM, sunset 5:44 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.