May Weather in Diamondville, United States

Last updated: June 24, 2025

In Diamondville, United States, the average temperature in May is a cool 9°C (49°F). During this time, temperatures can dip as low as -6°C (21°F) or peak at 28°C (83°F). The region experiences an average precipitation of 70 mm (2.7 in) across approximately 14 days, with humidity levels averaging around 62%.

May Temperature in Diamondville

In May in Diamondville, the average temperature is 9°C (49°F). Maximums can reach 28°C (83°F), while minimums can drop to as low as -6°C (21°F). Be prepared for a wide range of temperatures, making it essential to pack versatile clothing for your travels.

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

The chart illustrates May temperature patterns in Diamondville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Diamondville, May typically has an average temperature of 9°C (49°F), with highs reaching up to 28°C (83°F) and lows dropping to around -6°C (21°F).

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

May Precipitation in Diamondville

In Diamondville in May, the precipitation amount is 70 mm (2.7 in) over the course of 14 days.

May Precipitation Trends in Diamondville

The chart displays monthly precipitation patterns in Diamondville, 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 Diamondville, May typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 14 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 Diamondville

In Diamondville in May, humidity is 62%. With an average temperature of 9°C (49°F), this humidity feels like a brisk chill that can be invigorating for outdoor activities but may require a light jacket for comfort while traveling.

May Average Humidity in Diamondville

This chart illustrates the average monthly humidity levels in Diamondville, 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 Diamondville is approximately 62%, 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 Diamondville

In Diamondville 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 Diamondville.

Maximum UV Index Levels in Diamondville for May

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

Data source: Diamondville 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 Diamondville Compares to Other Months

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

This table compares monthly weather conditions in Diamondville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (19°F)	33 mm (1.3 inches)	91%	moderate
February Weather	-6°C (22°F)	39 mm (1.5 inches)	92%	high
March Weather	-1°C (30°F)	41 mm (1.6 inches)	84%	high
April Weather	3°C (38°F)	49 mm (1.9 inches)	74%	very high
May Weather	9°C (49°F)	70 mm (2.7 inches)	62%	extreme
June Weather	17°C (62°F)	22 mm (0.9 inches)	56%	extreme
July Weather	21°C (71°F)	20 mm (0.8 inches)	44%	extreme
August Weather	20°C (68°F)	24 mm (1.0 inches)	37%	extreme
September Weather	14°C (58°F)	31 mm (1.2 inches)	46%	very high
October Weather	5°C (41°F)	29 mm (1.1 inches)	67%	high
November Weather	0°C (32°F)	35 mm (1.4 inches)	84%	moderate
December Weather	-6°C (21°F)	26 mm (1.0 inches)	88%	moderate