Hamilton climate

Hamilton Weather in December

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

Average highs run from 21°C on December 1 to 23°C on December 31, and lows from 11°C to 12°C. Normal precipitation for the month is 90 mm over about 12 wet days.

December day by day

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

Normal daily high and low temperature at Hamilton, in °C, with the record for each date.010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
22°C
Average low
12°C
Precipitation
90 mm
Reanalysis high
30°CDec 3, 1995
Reanalysis low
3°CDec 21, 1992
Daylight
14 h 34 min to 14 h 45 min
Cloud cover
72%
Humidity
76%
Dew point
12°C
Wind
14.0 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 121°C11°C26°C 20106°C 201242%
Dec 221°C11°C28°C 19954°C 201443%
Dec 321°C11°C30°C 19956°C 200642%
Dec 421°C11°C27°C 20177°C 199341%
Dec 521°C11°C27°C 19957°C 199141%
Dec 622°C11°C29°C 19957°C 200642%
Dec 722°C11°C27°C 20176°C 199642%
Dec 822°C11°C25°C 20036°C 199641%
Dec 922°C11°C27°C 20206°C 199639%
Dec 1022°C12°C28°C 20183°C 200640%
Dec 1122°C12°C27°C 20196°C 200640%
Dec 1222°C12°C28°C 20109°C 199640%
Dec 1322°C12°C26°C 20007°C 201641%
Dec 1422°C12°C27°C 20135°C 199241%
Dec 1522°C12°C28°C 20106°C 199940%
Dec 1622°C12°C27°C 20135°C 199140%
Dec 1722°C12°C27°C 20186°C 199141%
Dec 1822°C12°C26°C 20186°C 200442%
Dec 1922°C12°C27°C 20035°C 200442%
Dec 2022°C12°C26°C 20204°C 199241%
Dec 2122°C12°C27°C 20103°C 199240%
Dec 2222°C12°C28°C 19985°C 199241%
Dec 2322°C12°C28°C 20197°C 200642%
Dec 2422°C12°C28°C 19987°C 200642%
Dec 2522°C12°C25°C 20129°C 199941%
Dec 2622°C12°C27°C 20159°C 200440%
Dec 2723°C12°C29°C 20157°C 202040%
Dec 2823°C12°C27°C 20157°C 202039%
Dec 2923°C12°C27°C 19947°C 202037%
Dec 3023°C12°C27°C 19938°C 201636%
Dec 3123°C12°C27°C 20078°C 200635%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Hamilton, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+13).

December 1
sunrise 5:51 AM, sunset 8:25 PM
December 31
sunrise 5:59 AM, sunset 8:44 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.