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May Weather in Nelson, United States

Last updated: June 24, 2025

In May, the average temperature in Nelson, United States is a pleasant 17°C (63°F), with a cool minimum of 1°C (34°F) and a warm maximum reaching up to 36°C (98°F). Expect around 173 mm (6.8 in) of precipitation over approximately 14 days, contributing to an average humidity of 80%.

May Temperature in Nelson

In May in Nelson, the average temperature is 17°C (63°F), with maximums reaching 36°C (98°F) and minimums dropping as low as 1°C (34°F). This wide temperature range makes Nelson an ideal destination for travelers seeking to experience both warm and cool weather during their visit.

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 17°C (63°F), with highs reaching up to 36°C (98°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec282842516376797570534133
Data source: Temperature data for Nelson generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Nelson

In Nelson in May, the precipitation amount is 173 mm (6.8 in) during a span of 14 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 173 mm (6.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec2822864517386668569882239
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Nelson

In Nelson in May humidity is 80%. With an average temperature of 17°C (63°F), this humidity feels like you're walking through a thick, warm blanket, making travel feel slightly stifling and requiring frequent breaks to stay comfortable.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%81%69%71%80%83%84%84%77%72%80%79%
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 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111108643
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.
 TemperaturePrecipitationHumidityUV
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 Weather6°C (43°F)86 mm (3.4 inches)69%high
April Weather11°C (51°F)45 mm (1.8 inches)71%very high
May Weather17°C (63°F)173 mm (6.8 inches)80%very high
June Weather24°C (76°F)86 mm (3.4 inches)83%extreme
July Weather26°C (79°F)66 mm (2.6 inches)84%extreme
August Weather24°C (76°F)85 mm (3.3 inches)84%very high
September Weather21°C (71°F)69 mm (2.7 inches)77%very high
October Weather12°C (53°F)88 mm (3.5 inches)72%high
November Weather5°C (42°F)22 mm (0.9 inches)80%moderate
December Weather1°C (33°F)39 mm (1.5 inches)79%moderate

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