January Weather in Milton, New Zealand

Last updated: August 31, 2025

In January, the average temperature in Milton, New Zealand hovers around 15°C (59°F). Expect a chilly minimum of 4°C (39°F) and a warm maximum of 30°C (86°F). This month witnesses an average precipitation of 97 mm (3.8 in) over 14 days, coupled with a notable average humidity of 83%. Perfect days to enjoy the dynamic weather!

January Temperature in Milton

In January in Milton, the average temperature is 15°C (59°F). Maximums can reach 30°C (86°F) and minimums can be as low as 4°C (39°F). It's an ideal time to explore outdoor activities while enjoying mild weather.

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

The chart illustrates January temperature patterns in Milton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Milton, January typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (86°F) and lows dropping to around 4°C (39°F).

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

January Precipitation in Milton

In Milton in January, the total precipitation amount is 97 mm (3.8 in) spread over 14 days.

January Precipitation Trends in Milton

The chart displays monthly precipitation patterns in Milton, 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 Milton, January typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 14 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 Milton

In Milton in January humidity is 83%. With an average temperature of 15°C (59°F), this humidity feels like a cozy, damp embrace that can be quite stifling for traveling, making even short walks feel more exhausting than they should, and prompting a need for frequent breaks in shaded or air-conditioned areas.

January Average Humidity in Milton

This chart illustrates the average monthly humidity levels in Milton, 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 Milton is approximately 83%, 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 Milton

In Milton 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 Milton.

Maximum UV Index Levels in Milton for January

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

Data source: Milton 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 Milton Compares to Other Months

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

This table compares monthly weather conditions in Milton, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (59°F)	97 mm (3.8 inches)	83%	extreme
February Weather	14°C (58°F)	112 mm (4.4 inches)	82%	extreme
March Weather	13°C (56°F)	68 mm (2.7 inches)	84%	very high
April Weather	10°C (51°F)	72 mm (2.8 inches)	84%	moderate
May Weather	8°C (46°F)	59 mm (2.3 inches)	85%	moderate
June Weather	5°C (42°F)	50 mm (2.0 inches)	85%	low
July Weather	5°C (41°F)	71 mm (2.8 inches)	85%	low
August Weather	6°C (44°F)	53 mm (2.1 inches)	84%	moderate
September Weather	8°C (47°F)	73 mm (2.9 inches)	83%	moderate
October Weather	10°C (50°F)	91 mm (3.6 inches)	82%	very high
November Weather	12°C (54°F)	113 mm (4.4 inches)	82%	very high
December Weather	14°C (57°F)	116 mm (4.6 inches)	83%	extreme