May Weather in Hamilton, United States

Last updated: June 24, 2025

In May, the average temperature in Hamilton, United States is a pleasant 22°C (73°F). However, prepare for a range of temperatures, as the minimum can drop to 8°C (47°F) while the maximum can soar to 35°C (95°F). Expect about 105 mm (4.1 in) of precipitation spread across 10 days, and keep in mind that the average humidity hovers around 81%. Stay comfortable and plan your activities accordingly!

May Temperature in Hamilton

In May in Hamilton, the average temperature is 22°C (73°F). Maximum temperatures can reach 35°C (95°F), while minimum temperatures can drop as low as 8°C (47°F). This makes it an ideal time to visit Hamilton for travelers who enjoy mild weather with some warm and cooler options.

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 (73°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (47°F).

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

May Precipitation in Hamilton

In Hamilton in May, the precipitation amount is 105 mm (4.1 in) over the course of 10 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 105 mm (4.1 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Hamilton

In Hamilton in May, humidity is 81%. With an average temperature of 22°C (73°F), this humidity feels like a warm, sticky embrace, making outdoor activities a bit more challenging but also invigorating, as you experience the vibrant atmosphere of the surroundings.

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 81%, 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 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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	114 mm (4.5 inches)	86%	moderate
February Weather	12°C (55°F)	118 mm (4.6 inches)	84%	high
March Weather	15°C (59°F)	92 mm (3.6 inches)	83%	very high
April Weather	18°C (65°F)	106 mm (4.2 inches)	81%	very high
May Weather	22°C (73°F)	105 mm (4.1 inches)	81%	extreme
June Weather	25°C (78°F)	121 mm (4.8 inches)	81%	extreme
July Weather	27°C (80°F)	112 mm (4.4 inches)	83%	extreme
August Weather	26°C (80°F)	126 mm (5.0 inches)	81%	extreme
September Weather	25°C (77°F)	100 mm (3.9 inches)	82%	very high
October Weather	20°C (69°F)	110 mm (4.3 inches)	78%	very high
November Weather	13°C (55°F)	76 mm (3.0 inches)	86%	high
December Weather	10°C (51°F)	132 mm (5.2 inches)	89%	moderate