May Weather in Saint David, United States

Last updated: June 24, 2025

In May, the average temperature in Saint David, United States hovers around 22°C (73°F). Temperatures can range from a cool 5°C (42°F) to a sizzling 36°C (98°F). Expect minimal rain with an average precipitation of just 3 mm (0.1 in) over the course of 1 day. The average humidity sits at a comfortable 32%, making it a pleasant time to explore!

May Temperature in Saint David

In May in Saint David, the average temperature is 22°C (73°F), with maximums reaching up to 36°C (98°F) and minimums dropping as low as 5°C (42°F). This climate makes Saint David an ideal destination for travelers looking to enjoy a variety of outdoor activities.

May Weather in Saint David: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Saint David, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint David, May typically has an average temperature of 22°C (73°F), with highs reaching up to 36°C (98°F) and lows dropping to around 5°C (42°F).

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

May Precipitation in Saint David

In Saint David in May, the precipitation amount is 3 mm (0.1 in) over the course of 1 day.

May Precipitation Trends in Saint David

The chart displays monthly precipitation patterns in Saint David, 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 Saint David, May typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 1 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 Saint David

In Saint David in May humidity is 32%. With an average temperature of 22°C (73°F), this humidity feels like a comfortable and refreshing embrace, making it an ideal time for exploring outdoor attractions and enjoying leisurely strolls without the oppressive heaviness often associated with higher humidity.

May Average Humidity in Saint David

This chart illustrates the average monthly humidity levels in Saint David, 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 Saint David is approximately 32%, 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 Saint David

In Saint David in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Saint David.

Maximum UV Index Levels in Saint David for May

The chart shows the monthly maximum UV Index (UVI) for Saint David 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 Saint David typically reaches 12, which falls under the extreme exposure category.

Data source: Saint David 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 Saint David Compares to Other Months

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

This table compares monthly weather conditions in Saint David, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	24 mm (0.9 inches)	74%	moderate
February Weather	10°C (49°F)	32 mm (1.2 inches)	71%	high
March Weather	13°C (57°F)	17 mm (0.7 inches)	60%	very high
April Weather	18°C (65°F)	3 mm (0.1 inches)	43%	extreme
May Weather	22°C (73°F)	3 mm (0.1 inches)	32%	extreme
June Weather	28°C (83°F)	8 mm (0.3 inches)	28%	extreme
July Weather	28°C (82°F)	65 mm (2.6 inches)	38%	extreme
August Weather	27°C (81°F)	52 mm (2.0 inches)	60%	extreme
September Weather	25°C (76°F)	31 mm (1.2 inches)	72%	extreme
October Weather	19°C (67°F)	13 mm (0.5 inches)	66%	very high
November Weather	14°C (57°F)	23 mm (0.9 inches)	74%	high
December Weather	9°C (48°F)	27 mm (1.1 inches)	81%	moderate