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May Weather in Hamilton, United States

Last updated: June 24, 2025

In May, the average temperature in Hamilton, United States hovers around 6°C (43°F), with a potential minimum dipping to -10°C (14°F) and a maximum soaring to 26°C (79°F). Expect 76 mm (3.0 in) of precipitation spread over approximately 16 days, contributing to a notably high average humidity of 80%. Prepare for a mix of chilly and warm days in this vibrant season!

May Temperature in Hamilton

In May in Hamilton, the average temperature is 6°C (43°F). The maximum can reach 26°C (79°F), while the minimum can drop as low as -10°C (14°F). Be sure to pack layers to stay comfortable and prepared for fluctuating temperatures during your travels.

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

The chart illustrates May temperature patterns in Hamilton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamilton, May typically has an average temperature of 6°C (43°F), with highs reaching up to 26°C (79°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec212130344354646252362720
Data source: Temperature data for Hamilton 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 Hamilton

In Hamilton in May, the precipitation amount is 76 mm (3.0 in) over a span of 16 days.

May Precipitation Trends in Hamilton

The chart displays monthly precipitation patterns in Hamilton, 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 Hamilton, May typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec6513882887694263245858188
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hamilton

In Hamilton in May humidity is 80%. With an average temperature of 6°C (43°F), this humidity feels like a chilly, damp embrace that can make outdoor exploration quite uncomfortable, often leaving travelers feeling clammy and cold despite the relatively mild temperature.

May Average Humidity in Hamilton

This chart illustrates the average monthly humidity levels in Hamilton, 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 Hamilton is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%89%85%80%78%77%66%67%77%89%95%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hamilton

In Hamilton 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 Hamilton.

Maximum UV Index Levels in Hamilton for May

The chart shows the monthly maximum UV Index (UVI) for Hamilton 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 Hamilton typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246810101098532
Data source: Hamilton 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 Hamilton Compares to Other Months

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

This table compares monthly weather conditions in Hamilton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)65 mm (2.6 inches)93%low
February Weather-6°C (21°F)138 mm (5.4 inches)92%moderate
March Weather-1°C (30°F)82 mm (3.2 inches)89%high
April Weather1°C (34°F)88 mm (3.4 inches)85%very high
May Weather6°C (43°F)76 mm (3.0 inches)80%very high
June Weather12°C (54°F)94 mm (3.7 inches)78%very high
July Weather18°C (64°F)26 mm (1.0 inches)77%very high
August Weather17°C (62°F)32 mm (1.2 inches)66%very high
September Weather11°C (53°F)45 mm (1.8 inches)67%very high
October Weather2°C (37°F)85 mm (3.4 inches)77%moderate
November Weather-3°C (27°F)81 mm (3.2 inches)89%moderate
December Weather-7°C (20°F)88 mm (3.5 inches)95%low

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