May Weather in Delmar, United States

Last updated: June 24, 2025

In Delmar, United States, the average temperature in May is a pleasant 16°C (61°F). However, be prepared for a range of temperatures, with minimums dipping to -1°C (31°F) and maximums soaring to 34°C (93°F). During this month, expect 141 mm (5.6 in) of precipitation spread over 15 days, resulting in an average humidity level of 78%.

May Temperature in Delmar

In May in Delmar, the average temperature is 16°C (61°F). Maximums can reach 34°C (93°F), while minimums can dip as low as -1°C (31°F). Be prepared for a range of temperatures when traveling to Delmar this time of year.

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

The chart illustrates May temperature patterns in Delmar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Delmar, May typically has an average temperature of 16°C (61°F), with highs reaching up to 34°C (93°F) and lows dropping to around -1°C (31°F).

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

May Precipitation in Delmar

In Delmar in May, the total precipitation amount is 141 mm (5.6 in) over a period of 15 days.

May Precipitation Trends in Delmar

The chart displays monthly precipitation patterns in Delmar, 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 Delmar, May typically receives around 141 mm (5.6 inches) of precipitation spread over approximately 15 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 Delmar

In Delmar in May, humidity is 78%. With an average temperature of 16°C (61°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable as it clings to your skin and creates a heavy atmosphere that can drain your energy.

May Average Humidity in Delmar

This chart illustrates the average monthly humidity levels in Delmar, 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 Delmar is approximately 78%, 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 Delmar

In Delmar in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Delmar.

Maximum UV Index Levels in Delmar for May

The chart shows the monthly maximum UV Index (UVI) for Delmar 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 Delmar typically reaches 9, which falls under the very high exposure category.

Data source: Delmar 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 Delmar Compares to Other Months

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

This table compares monthly weather conditions in Delmar, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (22°F)	54 mm (2.1 inches)	81%	moderate
February Weather	-4°C (25°F)	58 mm (2.3 inches)	81%	moderate
March Weather	4°C (39°F)	77 mm (3.1 inches)	81%	high
April Weather	9°C (48°F)	96 mm (3.8 inches)	82%	very high
May Weather	16°C (61°F)	141 mm (5.6 inches)	78%	very high
June Weather	22°C (73°F)	122 mm (4.8 inches)	81%	very high
July Weather	24°C (76°F)	78 mm (3.1 inches)	79%	very high
August Weather	22°C (73°F)	92 mm (3.6 inches)	77%	very high
September Weather	19°C (67°F)	120 mm (4.7 inches)	78%	very high
October Weather	12°C (53°F)	113 mm (4.4 inches)	78%	high
November Weather	3°C (38°F)	48 mm (1.9 inches)	87%	moderate
December Weather	-1°C (31°F)	47 mm (1.8 inches)	84%	low