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December Weather in Wilton, Australia

Last updated: August 22, 2025

In December, the average temperature in Wilton, Australia hovers around 20°C (69°F), offering a pleasant climate. Visitors can expect a minimum temperature of 12°C (53°F) and a maximum blazing up to 38°C (100°F). With an average humidity level of 71%, the air can feel quite muggy. Rainfall is not unusual, with precipitation totals reaching 91 mm (3.6 in) over the course of approximately 14 days.

December Temperature in Wilton

In December in Wilton, the average temperature is 20°C (69°F). Maximums can reach 38°C (100°F) and minimums can be as low as 12°C (53°F). This climate makes Wilton an ideal destination for travelers seeking mild winter weather and warm sunny days.

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

The chart illustrates December temperature patterns in Wilton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wilton, December typically has an average temperature of 20°C (69°F), with highs reaching up to 38°C (100°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec727068635752525357626569
Data source: Temperature data for Wilton 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.

December Precipitation in Wilton

In Wilton in December, the precipitation amount is 91 mm (3.6 in) over a span of 14 days.

December Precipitation Trends in Wilton

The chart displays monthly precipitation patterns in Wilton, 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 Wilton, December typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec521231753053453547408911291
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Wilton

In Wilton in December, humidity is 71%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket that can quickly lead to discomfort for travelers. Staying hydrated and taking breaks in shaded areas becomes essential to enjoy sightseeing without feeling fatigued.

December Average Humidity in Wilton

This chart illustrates the average monthly humidity levels in Wilton, 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 Wilton is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%75%73%73%72%70%69%68%64%61%64%71%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Wilton

In Wilton 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 Wilton, you can check here.

Maximum UV Index Levels in Wilton for December

The chart shows the monthly maximum UV Index (UVI) for Wilton 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 Wilton typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141312853458101214
Data source: Wilton 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 Wilton Compares to Other Months

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

This table compares monthly weather conditions in Wilton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (73°F)52 mm (2.0 inches)70%extreme
February Weather21°C (71°F)123 mm (4.8 inches)74%extreme
March Weather20°C (68°F)175 mm (6.9 inches)73%extreme
April Weather17°C (63°F)30 mm (1.2 inches)73%very high
May Weather14°C (57°F)53 mm (2.1 inches)72%moderate
June Weather11°C (53°F)45 mm (1.8 inches)70%moderate
July Weather11°C (52°F)35 mm (1.4 inches)69%moderate
August Weather11°C (53°F)47 mm (1.9 inches)68%moderate
September Weather14°C (57°F)40 mm (1.6 inches)64%very high
October Weather17°C (62°F)89 mm (3.5 inches)61%very high
November Weather18°C (65°F)112 mm (4.4 inches)64%extreme
December Weather20°C (69°F)91 mm (3.6 inches)71%extreme

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