January Weather in Coleraine, Australia

Last updated: August 22, 2025

In Coleraine, Australia, the average temperature in January hovers around 20°C (68°F). However, be prepared for a temperature range that can dip as low as 4°C (40°F) and soar up to a scorching 41°C (107°F). During this month, expect approximately 27 mm (1.1 in) of rainfall over 3 days, while the average humidity sits at a comfortable 45%.

January Temperature in Coleraine

In January, in Coleraine, the average temperature is 20°C (68°F). The maximum can reach 41°C (107°F), while the minimum can dip as low as 4°C (40°F). Be sure to pack accordingly to enjoy your adventure in diverse weather conditions!

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

The chart illustrates January temperature patterns in Coleraine, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coleraine, January typically has an average temperature of 20°C (68°F), with highs reaching up to 41°C (107°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec676563575147464750545963
Data source: Temperature data for Coleraine 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 Coleraine

In Coleraine in January, the total precipitation amount is 27 mm (1.1 in) over the course of 3 days.

January Precipitation Trends in Coleraine

The chart displays monthly precipitation patterns in Coleraine, 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 Coleraine, January typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec272425407246727566636136
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Coleraine

In Coleraine in January humidity is 45%. With an average temperature of 20°C (68°F), this humidity feels like a refreshing embrace, making it comfortable for traveling and exploring the sights without feeling overly sticky or weighed down.

January Average Humidity in Coleraine

This chart illustrates the average monthly humidity levels in Coleraine, 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 Coleraine 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 Coleraine

In Coleraine 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 Coleraine, you can check here.

Maximum UV Index Levels in Coleraine for January

The chart shows the monthly maximum UV Index (UVI) for Coleraine 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 Coleraine typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14121174335791214
Data source: Coleraine 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 Coleraine Compares to Other Months

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

This table compares monthly weather conditions in Coleraine, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (68°F)27 mm (1.1 inches)45%extreme
February Weather18°C (65°F)24 mm (1.0 inches)49%extreme
March Weather17°C (63°F)25 mm (1.0 inches)57%extreme
April Weather14°C (58°F)40 mm (1.6 inches)67%high
May Weather11°C (51°F)72 mm (2.8 inches)75%moderate
June Weather8°C (47°F)46 mm (1.8 inches)79%moderate
July Weather8°C (47°F)72 mm (2.8 inches)80%moderate
August Weather8°C (47°F)75 mm (2.9 inches)75%moderate
September Weather10°C (50°F)66 mm (2.6 inches)69%high
October Weather12°C (54°F)63 mm (2.5 inches)59%very high
November Weather15°C (59°F)61 mm (2.4 inches)56%extreme
December Weather17°C (63°F)36 mm (1.4 inches)50%extreme

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