January Weather in Wairoa, New Zealand

Last updated: August 31, 2025

In January, the average temperature in Wairoa, New Zealand is a pleasant 19°C (66°F). You'll experience a comfortable climate with minimum temperatures dipping to 8°C (47°F) and highs reaching 29°C (85°F). Expect some rain, with a total precipitation of 54 mm (2.1 in) spread over about 9 days. The average humidity hovers around 69%, adding a touch of warmth to the atmosphere.

January Temperature in Wairoa

In January in Wairoa, the average temperature is 19°C (66°F). Maximums can reach 29°C (85°F), while minimums can dip as low as 8°C (47°F). This makes it a great time for travelers to enjoy moderate weather and diverse outdoor activities.

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

The chart illustrates January temperature patterns in Wairoa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wairoa, January typically has an average temperature of 19°C (66°F), with highs reaching up to 29°C (85°F) and lows dropping to around 8°C (47°F).

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

January Precipitation in Wairoa

In Wairoa in January, the precipitation amount is 54 mm (2.1 in) over a span of 9 days.

January Precipitation Trends in Wairoa

The chart displays monthly precipitation patterns in Wairoa, 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 Wairoa, January typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Wairoa

In Wairoa in January humidity is 69%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making travel slightly uncomfortable as the air hangs heavy and the heat clings to your skin, urging you to seek shade or refreshment often.

January Average Humidity in Wairoa

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

In Wairoa 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 Wairoa, you can check here.

Maximum UV Index Levels in Wairoa for January

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

Data source: Wairoa 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 Wairoa Compares to Other Months

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

This table compares monthly weather conditions in Wairoa, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (66°F)	54 mm (2.1 inches)	69%	extreme
February Weather	19°C (66°F)	83 mm (3.3 inches)	69%	extreme
March Weather	17°C (62°F)	107 mm (4.2 inches)	71%	very high
April Weather	15°C (58°F)	108 mm (4.2 inches)	74%	high
May Weather	12°C (54°F)	94 mm (3.7 inches)	83%	moderate
June Weather	11°C (51°F)	123 mm (4.9 inches)	85%	moderate
July Weather	9°C (49°F)	105 mm (4.1 inches)	86%	moderate
August Weather	10°C (50°F)	79 mm (3.1 inches)	83%	moderate
September Weather	11°C (52°F)	134 mm (5.3 inches)	78%	high
October Weather	13°C (56°F)	89 mm (3.5 inches)	77%	very high
November Weather	15°C (60°F)	114 mm (4.5 inches)	74%	extreme
December Weather	18°C (64°F)	98 mm (3.9 inches)	66%	extreme