January Weather in Wairau Valley, New Zealand

Last updated: August 31, 2025

In Wairau Valley, New Zealand, the average temperature in January is a pleasant 16°C (61°F). Temperatures can vary, with a minimum of 3°C (38°F) and a maximum reaching 29°C (84°F). During this time, you can expect about 82 mm (3.2 in) of precipitation spread over 9 days, resulting in an average humidity of 79%. Prepare for a mix of sunny and rainy days!

January Temperature in Wairau Valley

In January in Wairau Valley, the average temperature is 16°C (61°F). The maximum can reach 29°C (84°F), and the minimum can be as low as 3°C (38°F). This makes Wairau Valley a comfortable destination for travelers looking to enjoy moderate weather.

January Weather in Wairau Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Wairau Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wairau Valley, January typically has an average temperature of 16°C (61°F), with highs reaching up to 29°C (84°F) and lows dropping to around 3°C (38°F).

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

January Precipitation in Wairau Valley

In Wairau Valley in January, the total precipitation amount is 82 mm (3.2 in), occurring over a span of 9 days.

January Precipitation Trends in Wairau Valley

The chart displays monthly precipitation patterns in Wairau Valley, 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 Wairau Valley, January typically receives around 82 mm (3.2 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 Wairau Valley

In Wairau Valley in January humidity is 79%. With an average temperature of 16°C (61°F), this humidity feels like a warm, moist embrace, making travel a bit more challenging as the air tends to weigh heavily, but it also offers a refreshing atmosphere perfect for exploring local sights and enjoying nature.

January Average Humidity in Wairau Valley

This chart illustrates the average monthly humidity levels in Wairau Valley, 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 Wairau Valley is approximately 79%, 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 Wairau Valley

In Wairau Valley in January, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Wairau Valley.

Maximum UV Index Levels in Wairau Valley for January

The chart shows the monthly maximum UV Index (UVI) for Wairau Valley 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 Wairau Valley typically reaches 13, which falls under the extreme exposure category.

Data source: Wairau Valley 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 Wairau Valley Compares to Other Months

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

This table compares monthly weather conditions in Wairau Valley, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	82 mm (3.2 inches)	79%	extreme
February Weather	15°C (60°F)	95 mm (3.7 inches)	79%	extreme
March Weather	13°C (57°F)	112 mm (4.4 inches)	79%	very high
April Weather	10°C (51°F)	138 mm (5.4 inches)	80%	high
May Weather	8°C (46°F)	139 mm (5.5 inches)	84%	moderate
June Weather	5°C (42°F)	75 mm (3.0 inches)	86%	low
July Weather	5°C (41°F)	176 mm (6.9 inches)	86%	low
August Weather	6°C (43°F)	127 mm (5.0 inches)	83%	moderate
September Weather	7°C (45°F)	136 mm (5.3 inches)	83%	high
October Weather	10°C (50°F)	127 mm (5.0 inches)	82%	very high
November Weather	12°C (54°F)	132 mm (5.2 inches)	82%	extreme
December Weather	14°C (58°F)	183 mm (7.2 inches)	81%	extreme