January Weather in Nelson, United States

Last updated: June 24, 2025

In Nelson, United States, the average temperature in January hovers around -2°C (28°F). While it can dip as low as -23°C (-10°F), there's a possibility of reaching a cozy 17°C (63°F) at its peak. Expect 28 mm (1.1 in) of precipitation spread over 4 days, contributing to a humidity level of 73%.

January Temperature in Nelson

In January in Nelson, the average temperature is -2°C (28°F). The maximum can reach 17°C (63°F), while the minimum can drop as low as -23°C (-10°F). Travelers should be prepared for a wide range of temperatures, from chilly extremes to relatively mild days.

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 -2°C (28°F), with highs reaching up to 17°C (63°F) and lows dropping to around -23°C (-10°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 precipitation amount is 28 mm (1.1 in) over the course of 4 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 28 mm (1.1 inches) of precipitation spread over approximately 4 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 73%. With an average temperature of -2°C (28°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and encouraging travelers to seek warmth indoors.

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 73%, 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 is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Nelson, you can check the information here.

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 3, 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	-2°C (28°F)	28 mm (1.1 inches)	73%	moderate
February Weather	-2°C (28°F)	22 mm (0.9 inches)	81%	moderate
March Weather	6°C (43°F)	86 mm (3.4 inches)	69%	high
April Weather	11°C (51°F)	45 mm (1.8 inches)	71%	very high
May Weather	17°C (63°F)	173 mm (6.8 inches)	80%	very high
June Weather	24°C (76°F)	86 mm (3.4 inches)	83%	extreme
July Weather	26°C (79°F)	66 mm (2.6 inches)	84%	extreme
August Weather	24°C (76°F)	85 mm (3.3 inches)	84%	very high
September Weather	21°C (71°F)	69 mm (2.7 inches)	77%	very high
October Weather	12°C (53°F)	88 mm (3.5 inches)	72%	high
November Weather	5°C (42°F)	22 mm (0.9 inches)	80%	moderate
December Weather	1°C (33°F)	39 mm (1.5 inches)	79%	moderate