May Weather in Nelson, United States

Last updated: June 24, 2025

In May , the average temperature in Nelson, United States is a comfortable 20°C (68°F). You'll experience a range of temperatures, with a minimum of 3°C (37°F) and a maximum reaching up to 33°C (91°F). Be prepared for some rain; the region sees an average precipitation of 132 mm (5.2 in) over about 12 days. Plus, with an average humidity level of 85%, it's recommended to stay hydrated and enjoy the lovely atmosphere!

May Temperature in Nelson

In May in Nelson, the average temperature is 20°C (68°F). Maximums can reach 33°C (91°F), while minimums can drop as low as 3°C (37°F). This makes Nelson an ideal destination for travelers seeking a mild climate with varied temperature experiences.

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

The chart illustrates May 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, May typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (91°F) and lows dropping to around 3°C (37°F).

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

May Precipitation in Nelson

In Nelson in May, the precipitation amount is 132 mm (5.2 in) over the course of 12 days.

May Precipitation Trends in Nelson

The chart displays monthly precipitation patterns in Nelson, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Nelson, May typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Nelson

In Nelson in May, humidity is 85%. With an average temperature of 20°C (68°F), this humidity feels like a warm, sticky blanket enveloping you, making outdoor activities quite uncomfortable and prompting travelers to seek shade and hydration more frequently.

May Average Humidity in Nelson

This chart illustrates the average monthly humidity levels in Nelson, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Nelson is approximately 85%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Nelson

In Nelson in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Nelson.

Maximum UV Index Levels in Nelson for May

The chart shows the monthly maximum UV Index (UVI) for Nelson in May, 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 May, the maximum UV index in Nelson typically reaches 11, which falls under the extreme exposure category.

Data source: Nelson May 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 May 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 May’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 May’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