May Weather in Stockton, United States

Last updated: June 24, 2025

In May, the average temperature in Stockton, United States hovers around 16°C (61°F). However, be prepared for a range, as it can dip to a chilly -2°C (28°F) or soar to a sizzling 34°C (94°F). Expect about 145 mm (5.7 in) of precipitation spread over 14 days, contributing to an average humidity of 75%. Stay hydrated and embrace the diverse weather!

May Temperature in Stockton

In May in Stockton, the average temperature is 16°C (61°F). The maximum can reach 34°C (94°F), while the minimum can drop as low as -2°C (28°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates May temperature patterns in Stockton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stockton, May typically has an average temperature of 16°C (61°F), with highs reaching up to 34°C (94°F) and lows dropping to around -2°C (28°F).

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

May Precipitation in Stockton

In Stockton in May, the total precipitation amount is 145 mm (5.7 in) over a span of 14 days.

May Precipitation Trends in Stockton

The chart displays monthly precipitation patterns in Stockton, 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 Stockton, May typically receives around 145 mm (5.7 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 Stockton

In Stockton in May humidity is 75%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy embrace, making traveling somewhat uncomfortable as you may find yourself constantly adjusting your clothing and seeking shade to escape the sticky air.

May Average Humidity in Stockton

This chart illustrates the average monthly humidity levels in Stockton, 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 Stockton is approximately 75%, 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 Stockton

In Stockton 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 Stockton.

Maximum UV Index Levels in Stockton for May

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

Data source: Stockton 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 Stockton Compares to Other Months

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

This table compares monthly weather conditions in Stockton, 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 (23°F)	57 mm (2.2 inches)	84%	moderate
February Weather	-4°C (24°F)	58 mm (2.3 inches)	85%	moderate
March Weather	3°C (38°F)	72 mm (2.8 inches)	84%	high
April Weather	9°C (48°F)	96 mm (3.8 inches)	83%	very high
May Weather	16°C (61°F)	145 mm (5.7 inches)	75%	very high
June Weather	22°C (72°F)	120 mm (4.7 inches)	79%	very high
July Weather	24°C (76°F)	84 mm (3.3 inches)	75%	very high
August Weather	22°C (72°F)	100 mm (3.9 inches)	69%	very high
September Weather	19°C (67°F)	117 mm (4.6 inches)	74%	very high
October Weather	11°C (52°F)	110 mm (4.3 inches)	79%	moderate
November Weather	3°C (37°F)	45 mm (1.8 inches)	88%	moderate
December Weather	-1°C (31°F)	48 mm (1.9 inches)	82%	low