January Weather in Carterton, New Zealand

Last updated: August 31, 2025

In January, the average temperature in Carterton, New Zealand is a pleasant 17°C (62°F). Expect a minimum of 5°C (41°F) and a maximum of 26°C (80°F), offering a comfortable range for your activities. However, be prepared for some rain, as the region experiences about 62 mm (2.4 in) of precipitation over 10 days. With an average humidity of 75%, the air may feel a bit muggy, so pack accordingly!

January Temperature in Carterton

In January, in Carterton, the average temperature is 17°C (62°F). The maximum can reach 26°C (80°F), and the minimum can be as low as 5°C (41°F). This mild climate makes Carterton an ideal destination for travelers looking to enjoy pleasant weather and outdoor activities.

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

The chart illustrates January temperature patterns in Carterton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carterton, January typically has an average temperature of 17°C (62°F), with highs reaching up to 26°C (80°F) and lows dropping to around 5°C (41°F).

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

January Precipitation in Carterton

In Carterton in January, the total precipitation amount is 62 mm (2.4 in) over a period of 10 days.

January Precipitation Trends in Carterton

The chart displays monthly precipitation patterns in Carterton, 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 Carterton, January typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 10 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 Carterton

In Carterton in January, humidity is 75%. With an average temperature of 17°C (62°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and a bit sluggish as they navigate the sights.

January Average Humidity in Carterton

This chart illustrates the average monthly humidity levels in Carterton, 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 Carterton is approximately 75%, 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 Carterton

In Carterton 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 Carterton.

Maximum UV Index Levels in Carterton for January

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

Data source: Carterton 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 Carterton Compares to Other Months

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

This table compares monthly weather conditions in Carterton, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (62°F)	62 mm (2.4 inches)	75%	extreme
February Weather	16°C (62°F)	68 mm (2.7 inches)	76%	extreme
March Weather	15°C (59°F)	84 mm (3.3 inches)	75%	very high
April Weather	12°C (55°F)	110 mm (4.3 inches)	77%	high
May Weather	10°C (51°F)	69 mm (2.7 inches)	82%	moderate
June Weather	8°C (47°F)	101 mm (4.0 inches)	83%	low
July Weather	7°C (46°F)	98 mm (3.9 inches)	83%	low
August Weather	8°C (47°F)	90 mm (3.6 inches)	81%	moderate
September Weather	9°C (49°F)	113 mm (4.5 inches)	80%	high
October Weather	11°C (52°F)	95 mm (3.7 inches)	79%	very high
November Weather	13°C (56°F)	110 mm (4.3 inches)	78%	extreme
December Weather	15°C (60°F)	143 mm (5.6 inches)	75%	extreme