January Weather in Mamaku, New Zealand

Last updated: August 31, 2025

In January, the average temperature in Mamaku, New Zealand hovers around 18°C (65°F), with the mercury dipping as low as 6°C (43°F) and soaring up to 29°C (84°F). Visitors can expect approximately 74 mm (2.9 in) of precipitation over about 9 days, contributing to a refreshing average humidity of 69%.

January Temperature in Mamaku

In January in Mamaku, the average temperature is 18°C (65°F), with maximums reaching up to 29°C (84°F) and minimums dropping as low as 6°C (43°F). This makes it an ideal time to explore the great outdoors and enjoy a variety of activities in comfortable weather.

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

The chart illustrates January temperature patterns in Mamaku, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mamaku, January typically has an average temperature of 18°C (65°F), with highs reaching up to 29°C (84°F) and lows dropping to around 6°C (43°F).

Data source: Temperature data for Mamaku generated using information from the Copernicus Climate Change Service.

January Precipitation in Mamaku

In Mamaku in January, the precipitation amount is 74 mm (2.9 in), which occurs over a span of 9 days.

January Precipitation Trends in Mamaku

The chart displays monthly precipitation patterns in Mamaku, 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 Mamaku, January typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Mamaku

In Mamaku in January humidity is 69%. With an average temperature of 18°C (65°F), this humidity feels like a warm, damp blanket around you, making travel less comfortable and causing you to feel sticky and fatigued more quickly.

January Average Humidity in Mamaku

This chart illustrates the average monthly humidity levels in Mamaku, 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 Mamaku is approximately 69%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Mamaku

In Mamaku 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 Mamaku, you can check here.

Maximum UV Index Levels in Mamaku for January

The chart shows the monthly maximum UV Index (UVI) for Mamaku 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 Mamaku typically reaches 14, which falls under the extreme exposure category.

Data source: Mamaku 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 Mamaku Compares to Other Months

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

This table compares monthly weather conditions in Mamaku, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (65°F)	74 mm (2.9 inches)	69%	extreme
February Weather	18°C (65°F)	106 mm (4.2 inches)	69%	extreme
March Weather	16°C (62°F)	124 mm (4.9 inches)	71%	very high
April Weather	14°C (57°F)	152 mm (6.0 inches)	74%	high
May Weather	11°C (52°F)	107 mm (4.2 inches)	83%	moderate
June Weather	9°C (49°F)	113 mm (4.4 inches)	85%	moderate
July Weather	8°C (47°F)	133 mm (5.2 inches)	86%	moderate
August Weather	9°C (48°F)	152 mm (6.0 inches)	83%	moderate
September Weather	10°C (50°F)	137 mm (5.4 inches)	78%	high
October Weather	12°C (54°F)	121 mm (4.8 inches)	77%	very high
November Weather	15°C (59°F)	120 mm (4.7 inches)	74%	extreme
December Weather	17°C (63°F)	126 mm (5.0 inches)	66%	extreme