January Weather in Hamilton, Australia

Last updated: August 22, 2025

In Hamilton, Australia during January, the average temperature is a comfortable 19°C (67°F). However, be prepared for variable conditions, as temperatures can dip to a chilly 6°C (43°F) or rise to a scorching 41°C (106°F). Expect 31 mm (1.2 in) of precipitation over approximately 3 days, and enjoy an average humidity level of 45% throughout the month!

January Temperature in Hamilton

In January in Hamilton, the average temperature is 19°C (67°F). The maximum can reach 41°C (106°F), while the minimum can be as low as 6°C (43°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack accordingly for both warm and cool conditions.

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

The chart illustrates January 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, January typically has an average temperature of 19°C (67°F), with highs reaching up to 41°C (106°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec666463575147464750545862
Data source: Temperature data for Hamilton generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Hamilton

In Hamilton in January, the precipitation amount is 31 mm (1.2 in) over the course of 3 days.

January Precipitation Trends in Hamilton

The chart displays monthly precipitation patterns in Hamilton, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Hamilton, January typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec312530416643636864686240
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Hamilton

In Hamilton in January, humidity is 45%. With an average temperature of 19°C (67°F), this humidity feels like a comfortable embrace, making it pleasant for traveling and exploring the beautiful surroundings without feeling overly warm or sticky.

January Average Humidity in Hamilton

This chart illustrates the average monthly humidity levels in Hamilton, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Hamilton is approximately 45%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Hamilton

In Hamilton in January, 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 January

The chart shows the monthly maximum UV Index (UVI) for Hamilton in January, 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 January, the maximum UV index in Hamilton typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14121174335791214
Data source: Hamilton January 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 January 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 January’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 January’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

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