December Weather in Hamilton, Australia

Last updated: August 22, 2025

In December, the average temperature in Hamilton, Australia hovers around 17°C (62°F). However, be prepared for a range of temperatures, with a minimum of 3°C (37°F) and a scorching maximum of 43°C (110°F). Expect approximately 40 mm (1.6 in) of precipitation spread over about 6 days, accompanied by an average humidity level of 50%. Stay comfortable and enjoy the weather!

December Temperature in Hamilton

In December in Hamilton, the average temperature is 17°C (62°F). The maximum can reach 43°C (110°F), while the minimum can drop as low as 3°C (37°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

December Weather in Hamilton: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Hamilton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamilton, December typically has an average temperature of 17°C (62°F), with highs reaching up to 43°C (110°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec666463575147464750545862
Data source: Temperature data for Hamilton generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Hamilton

In Hamilton in December, the precipitation amount is 40 mm (1.6 in) over the course of 6 days.

December Precipitation Trends in Hamilton

The chart displays monthly precipitation patterns in Hamilton, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Hamilton, December typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec312530416643636864686240
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Hamilton

In Hamilton in December, humidity is 50%. With an average temperature of 17°C (62°F), this humidity feels like a comfortable and refreshing embrace, making it ideal for exploring the area's attractions and enjoying outdoor activities without feeling overly sticky or heavy.

December Average Humidity in Hamilton

This chart illustrates the average monthly humidity levels in Hamilton, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Hamilton is approximately 50%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec45%49%57%67%75%79%80%75%69%59%56%50%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hamilton

In Hamilton in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Hamilton, you can check here.

Maximum UV Index Levels in Hamilton for December

The chart shows the monthly maximum UV Index (UVI) for Hamilton in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Hamilton typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14121174335791214
Data source: Hamilton December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Hamilton Compares to Other Months

Weather in Hamilton varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hamilton, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Hamilton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (67°F)31 mm (1.2 inches)45%extreme
February Weather18°C (64°F)25 mm (1.0 inches)49%extreme
March Weather17°C (63°F)30 mm (1.2 inches)57%extreme
April Weather14°C (57°F)41 mm (1.6 inches)67%high
May Weather11°C (51°F)66 mm (2.6 inches)75%moderate
June Weather8°C (48°F)43 mm (1.7 inches)79%moderate
July Weather8°C (47°F)63 mm (2.5 inches)80%moderate
August Weather8°C (47°F)68 mm (2.7 inches)75%moderate
September Weather10°C (50°F)64 mm (2.5 inches)69%high
October Weather12°C (54°F)68 mm (2.7 inches)59%very high
November Weather15°C (59°F)62 mm (2.5 inches)56%extreme
December Weather17°C (62°F)40 mm (1.6 inches)50%extreme

Compare Hamilton's Climate with Cities Worldwide