May Weather in Buellton, United States

Last updated: June 24, 2025

In Buellton, United States, the average temperature in May hovers around 14°C (57°F), with a minimum dipping to 9°C (49°F) and a maximum reaching 22°C (72°F). Expect a touch of moisture with 10 mm (0.4 in) of precipitation over the course of 1 day, while the air maintains an average humidity of 75%.

May Temperature in Buellton

In May in Buellton, the average temperature is 14°C (57°F). Maximums can reach 22°C (72°F), while minimums can be as low as 9°C (49°F). This comfortable climate makes Buellton a great destination for exploring outdoor activities and enjoying mild weather.

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

The chart illustrates May temperature patterns in Buellton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Buellton, May typically has an average temperature of 14°C (57°F), with highs reaching up to 22°C (72°F) and lows dropping to around 9°C (49°F).

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

May Precipitation in Buellton

In Buellton in May, the precipitation amount is 10 mm (0.4 in) over the course of 1 day.

May Precipitation Trends in Buellton

The chart displays monthly precipitation patterns in Buellton, 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 Buellton, May typically receives around 10 mm (0.4 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 Buellton

In Buellton in May, humidity is 75%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket enveloping you, making outdoor activities somewhat uncomfortable and travel a bit sluggish, as the air feels heavy and the heat lingers close to your skin.

May Average Humidity in Buellton

This chart illustrates the average monthly humidity levels in Buellton, 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 Buellton 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 Buellton

In Buellton 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 Buellton.

Maximum UV Index Levels in Buellton for May

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

Data source: Buellton 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 Buellton Compares to Other Months

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

This table compares monthly weather conditions in Buellton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	95 mm (3.8 inches)	80%	moderate
February Weather	13°C (55°F)	78 mm (3.1 inches)	83%	high
March Weather	13°C (55°F)	86 mm (3.4 inches)	80%	very high
April Weather	13°C (56°F)	17 mm (0.7 inches)	76%	very high
May Weather	14°C (57°F)	10 mm (0.4 inches)	75%	extreme
June Weather	15°C (60°F)	1 mm (0.1 inches)	74%	extreme
July Weather	17°C (63°F)	1 mm (0.0 inches)	75%	extreme
August Weather	18°C (64°F)	1 mm (0.0 inches)	72%	extreme
September Weather	18°C (64°F)	1 mm (0.1 inches)	70%	very high
October Weather	18°C (64°F)	9 mm (0.4 inches)	70%	high
November Weather	16°C (61°F)	25 mm (1.0 inches)	74%	moderate
December Weather	14°C (57°F)	69 mm (2.7 inches)	76%	moderate