May Weather in Bolinas, United States

Last updated: June 24, 2025

In May, the average temperature in Bolinas, United States hovers around 13°C (56°F). Expect a minimum chill of 7°C (45°F) and a warm peak at 24°C (75°F). The region experiences about 21 mm (0.8 in) of precipitation over 2 days, accompanied by a high average humidity of 83%.

May Temperature in Bolinas

In May in Bolinas, the average temperature is 13°C (56°F). The maximum can reach 24°C (75°F), and the minimum can be as low as 7°C (45°F). This mild climate makes it a great time for outdoor activities and exploring the local scenery.

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

The chart illustrates May temperature patterns in Bolinas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bolinas, May typically has an average temperature of 13°C (56°F), with highs reaching up to 24°C (75°F) and lows dropping to around 7°C (45°F).

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

May Precipitation in Bolinas

In Bolinas in May, the precipitation amount is 21 mm (0.8 in) over a period of 2 days.

May Precipitation Trends in Bolinas

The chart displays monthly precipitation patterns in Bolinas, 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 Bolinas, May typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 2 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Bolinas

In Bolinas in May humidity is 83%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as the air feels heavy and the moisture clings to your skin.

May Average Humidity in Bolinas

This chart illustrates the average monthly humidity levels in Bolinas, 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 Bolinas is approximately 83%, 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 Bolinas

In Bolinas in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Bolinas.

Maximum UV Index Levels in Bolinas for May

The chart shows the monthly maximum UV Index (UVI) for Bolinas 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 Bolinas typically reaches 10, which falls under the very high exposure category.

Data source: Bolinas 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 Bolinas Compares to Other Months

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

This table compares monthly weather conditions in Bolinas, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (51°F)	118 mm (4.7 inches)	85%	moderate
February Weather	11°C (52°F)	131 mm (5.1 inches)	82%	moderate
March Weather	11°C (52°F)	82 mm (3.2 inches)	82%	very high
April Weather	12°C (54°F)	40 mm (1.6 inches)	79%	very high
May Weather	13°C (56°F)	21 mm (0.8 inches)	83%	very high
June Weather	15°C (59°F)	2 mm (0.1 inches)	84%	extreme
July Weather	15°C (59°F)	2 mm (0.1 inches)	87%	extreme
August Weather	16°C (60°F)	2 mm (0.1 inches)	87%	very high
September Weather	16°C (62°F)	2 mm (0.1 inches)	86%	very high
October Weather	15°C (59°F)	35 mm (1.4 inches)	80%	high
November Weather	12°C (55°F)	54 mm (2.1 inches)	79%	moderate
December Weather	11°C (51°F)	102 mm (4.0 inches)	79%	moderate