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May Weather in Hamilton, United States

Last updated: June 24, 2025

In Hamilton, United States, the average temperature in May is a pleasant 22°C (72°F). However, be prepared for variability, as temperatures can dip to a minimum of 6°C (43°F) or soar to a maximum of 35°C (95°F). During this month, expect an average precipitation of 128 mm (5.0 in) spread across about 12 days, and a notable average humidity of 83% creates a distinct atmosphere.

May Temperature in Hamilton

In May in Hamilton, the average temperature is 22°C (72°F). Maximums can reach 35°C (95°F), while minimums can dip as low as 6°C (43°F). This diverse range of temperatures makes Hamilton a great destination for travelers seeking both warmth and cooler respite.

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 22°C (72°F), with highs reaching up to 35°C (95°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec455057627277808076665248
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 128 mm (5.0 in) over the course of 12 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 128 mm (5.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec11819617417612813611212310811971156
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 83%. With average temperature 22°C (72°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities challenging and prompting travelers to seek shade or frequent stops for hydration.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
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 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109754
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 Weather7°C (45°F)118 mm (4.7 inches)86%moderate
February Weather10°C (50°F)196 mm (7.7 inches)85%high
March Weather14°C (57°F)174 mm (6.9 inches)84%very high
April Weather17°C (62°F)176 mm (6.9 inches)81%very high
May Weather22°C (72°F)128 mm (5.0 inches)83%extreme
June Weather25°C (77°F)136 mm (5.4 inches)83%extreme
July Weather27°C (80°F)112 mm (4.4 inches)80%extreme
August Weather26°C (80°F)122 mm (4.8 inches)73%very high
September Weather24°C (76°F)108 mm (4.2 inches)70%very high
October Weather19°C (66°F)119 mm (4.7 inches)73%high
November Weather11°C (52°F)71 mm (2.8 inches)85%moderate
December Weather9°C (49°F)156 mm (6.1 inches)88%moderate

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