January Weather in Nelson, United States

Last updated: June 24, 2025

In January, the average temperature in Nelson, United States hovers around 6°C (43°F). Expect a wide range, with minimums dipping to -13°C (9°F) and maximums reaching up to 22°C (72°F). This month sees an average precipitation of 133 mm (5.2 in), spread across roughly 10 days, contributing to a relatively high average humidity of 86%.

January Temperature in Nelson

In January in Nelson, the average temperature is 6°C (43°F), with maximums reaching 22°C (72°F) and minimums dropping as low as -13°C (9°F). Be prepared for a wide range of temperatures when planning your trip!

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

The chart illustrates January temperature patterns in Nelson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nelson, January typically has an average temperature of 6°C (43°F), with highs reaching up to 22°C (72°F) and lows dropping to around -13°C (9°F).

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

January Precipitation in Nelson

In Nelson in January, the total precipitation amount is 133 mm (5.2 in) spread over a period of 10 days.

January Precipitation Trends in Nelson

The chart displays monthly precipitation patterns in Nelson, 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 Nelson, January typically receives around 133 mm (5.2 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 Nelson

In Nelson in January humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.

January Average Humidity in Nelson

This chart illustrates the average monthly humidity levels in Nelson, 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 Nelson is approximately 86%, 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 Nelson

In Nelson in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Nelson for better planning.

Maximum UV Index Levels in Nelson for January

The chart shows the monthly maximum UV Index (UVI) for Nelson 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 Nelson typically reaches 4, which falls under the moderate exposure category.

Data source: Nelson 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 Nelson Compares to Other Months

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

This table compares monthly weather conditions in Nelson, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	133 mm (5.2 inches)	86%	moderate
February Weather	9°C (48°F)	203 mm (8.0 inches)	86%	high
March Weather	12°C (53°F)	167 mm (6.6 inches)	86%	very high
April Weather	15°C (60°F)	150 mm (5.9 inches)	82%	very high
May Weather	20°C (68°F)	132 mm (5.2 inches)	85%	extreme
June Weather	23°C (73°F)	141 mm (5.6 inches)	85%	extreme
July Weather	25°C (77°F)	128 mm (5.1 inches)	83%	extreme
August Weather	24°C (76°F)	161 mm (6.3 inches)	76%	very high
September Weather	22°C (72°F)	121 mm (4.8 inches)	76%	very high
October Weather	17°C (63°F)	164 mm (6.5 inches)	80%	very high
November Weather	10°C (50°F)	96 mm (3.8 inches)	88%	high
December Weather	7°C (46°F)	162 mm (6.4 inches)	88%	moderate