nomadseason

Monthly climate in Bonny Doon, California, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Bonny Doon features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 11 °C (52 °F) and 16 °C (61 °F) through the year, but rarely can drop to 6 °C (42 °F) or can rise to as high as 27 °C (81 °F). The average annual precipitation amounts to about 626 mm (24.7 inches) and receives 49 rainy days on the 1 mm (0.04 inches) threshold annually. Bonny Doon enjoys an average of 3236 hours of sunshine throughout the year, and daylight varies from 9 hours 38 minutes to 14 hours 39 minutes per day.

Monthly average temperatures in Bonny Doon, California, United States §

The warmest months in Bonny Doon are August, September and October, with daily mean temperatures ranging from 15 to 16 °C (60 - 61 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 11 to 12 °C (52 - 53 °F) throughout the day. On average each year, Bonny Doon experiences 0 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bonny Doon, California, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 17°C
(63°F)		 19°C
(66°F)		 17°C
(63°F)		 20°C
(68°F)		 18°C
(65°F)		 25°C
(77°F)		 20°C
(67°F)		 21°C
(71°F)		 26°C
(79°F)		 27°C
(81°F)		 19°C
(66°F)		 20°C
(68°F)
Mean maximum 15°C
(60°F)		 16°C
(61°F)		 16°C
(61°F)		 17°C
(63°F)		 17°C
(62°F)		 19°C
(66°F)		 18°C
(66°F)		 20°C
(68°F)		 21°C
(71°F)		 24°C
(75°F)		 18°C
(65°F)		 17°C
(63°F)
Average high 13°C
(55°F)		 13°C
(55°F)		 13°C
(55°F)		 13°C
(56°F)		 14°C
(57°F)		 15°C
(60°F)		 16°C
(60°F)		 17°C
(63°F)		 17°C
(64°F)		 17°C
(63°F)		 15°C
(60°F)		 13°C
(56°F)
Daily mean 12°C
(53°F)		 11°C
(53°F)		 11°C
(52°F)		 12°C
(54°F)		 12°C
(54°F)		 14°C
(57°F)		 14°C
(58°F)		 15°C
(60°F)		 16°C
(61°F)		 15°C
(60°F)		 14°C
(57°F)		 12°C
(54°F)
Average low 10°C
(51°F)		 10°C
(50°F)		 10°C
(50°F)		 11°C
(51°F)		 11°C
(52°F)		 12°C
(54°F)		 13°C
(55°F)		 14°C
(58°F)		 15°C
(58°F)		 14°C
(57°F)		 12°C
(54°F)		 11°C
(52°F)
Mean minimum 8°C
(46°F)		 7°C
(45°F)		 8°C
(46°F)		 9°C
(48°F)		 10°C
(50°F)		 11°C
(52°F)		 12°C
(53°F)		 13°C
(55°F)		 13°C
(55°F)		 12°C
(53°F)		 10°C
(50°F)		 9°C
(48°F)
Minimum 7°C
(45°F)		 6°C
(42°F)		 7°C
(45°F)		 8°C
(47°F)		 8°C
(47°F)		 10°C
(51°F)		 11°C
(52°F)		 12°C
(54°F)		 12°C
(54°F)		 10°C
(50°F)		 7°C
(44°F)		 8°C
(46°F)

Compare climate in Bonny Doon with other places

Compare temperature, precipitation, sunshine, UV index in Bonny Doon, California, United States with other places around the world.

Monthly average precipitation in Bonny Doon, California, United States §

Bonny Doon usually has the most precipitation in January, February and December, with an average of 8 rainy days and 128 mm (5.0 inches) of precipitation per month. The driest months in Bonny Doon are July, August and September. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bonny Doon, California, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 133 (5.2) 130 (5.1) 91 (3.6) 37 (1.5) 22 (0.8) 3 (0.1) 2 (0.1) 2 (0.1) 2 (0.1) 29 (1.1) 54 (2.1) 122 (4.8)
Average precipitation days (≥ 1 mm) 8 8 11 5 2 0 0 0 0 1 5 9

Monthly sunshine hours in Bonny Doon, California, United States §

The sunniest months in Bonny Doon are May, June and July, when the sun shines an average of 10 hours 54 minutes a day. Least sunny months in Bonny Doon: January, February and December receive an average of 6 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bonny Doon, California, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 155 217 263 294 332 341 328 305 293 275 227 200
Mean daily daylight hours 9h 56m 10h 50m 11h 59m 13h 10m 14h 9m 14h 39m 14h 22m 13h 29m 12h 21m 11h 11m 10h 9m 9h 38m

Solar UV radiation in Bonny Doon, California, United States §

Bonny Doon experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Bonny Doon UV Index data.

Average daily maximum UV levels by month for Bonny Doon, California, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 4 5 8 9 10 11 11 10 9 7 5 3

Detailed Monthly Weather Insights for Bonny Doon, California, United States

Discover in-depth weather details for every month in Bonny Doon. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Bonny Doon's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.