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Big Sur climate data

Best times to travel

The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.

Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.

Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.

Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.

Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.

for Big Sur, United States
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Jan
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Feb
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Mar
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Apr
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May
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Jun
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Jul
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Aug
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Sep
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Oct
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Nov
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Dec
High season: May - Oct.
Shoulder season: March - April, Nov.
Crowdedness: 7 (Many tourists)
Tap on a month for more info Hover over a month for more info
Highway 1 is often closed by landslides and storm damage in winter, check road status before driving
Wildfire season late summer to autumn can close trails, campsites and sections of the highway
Grey whale migration December to April, humpbacks and blue whales from late spring to autumn
Average climate data for Big Sur, United States
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Average maximum temperature (°C) 15 14 15 16 17 18 20 20 21 19 16 14 21
Average minimum temperature (°C) 9 8 9 9 10 11 13 13 13 12 11 8 8
Average precipitation (mm) 53 51 52 22 12 2 3 1 2 11 32 62 303
Average rainfall days (days) 9 9 12 8 4 3 3 1 3 4 6 10 70
Average relative humidity (%) 72 74 77 77 79 77 78 80 75 71 70 73 75
Average wind speed (km/h) 11 14 13 14 14 13 11 10 10 10 11 12 12
Average water temperature (°C) 13 13 12 12 12 13 14 15 15 15 14 13 13
Average daily daylight hours (h) 10 10 12 13 14 14 14 13 12 11 10 9 12
Average daily sunshine hours (h) 6 6 7 10 10 11 11 11 11 7 6 5 8
Average cloud coverage (%) 29 31 35 27 28 16 13 16 15 18 22 33 24
Average UV index 4 4 4 4 4 5 5 5 5 4 4 3 4

Minimum and maximum temperatures in Big Sur

The warmest month, with the highest average maximum temperature, is September (20.9 °C). The month with the lowest average maximum temperature is December (13.9 °C). Overall, the average maximum temperature over the whole year is 17 °C.

The month with the highest average minimum temperature is September (13.1 °C). The coldest month, with the lowest average minimum temperature, is December (8.2 °C). Overall, the average minimum temperature over the whole year is 10.5 °C.

Water temperature in Big Sur

The month with the highest average water temperature is September (15.1 °C). The month with the lowest average water temperature is May (12 °C). Overall, the average water temperature over the whole year is 13.4 °C.

Rainfall amount in Big Sur

The wettest month, with the highest amount of precipitation, is December (62.1 mm). The driest month, with the least amount of precipitation, is August (1 mm). Over the whole year there are 302.6 mm of rainfall on average.

Rainfall days in Big Sur

The month with the most days of rain is March (12.2 days). The month with the fewest days of rain is August (1.3 days). Over the whole year there are 70 days of rain on average.

Relative humidity in Big Sur

The month with the highest average relative humidity is August (80.1 %). The month with the lowest average relative humidity is November (69.7 %). The overall average relative humidity over the whole year is 75.2 %.

Wind speed in Big Sur

The windiest month, with the highest average wind speed, is May (13.7 km/h). The calmest month, with the lowest average wind speed, is August (10.1 km/h). The overall average wind speed over the whole year is 11.9 km/h.

Cloud coverage in Big Sur

The month with the cloudiest skies, so the highest cloud coverage, is March (35 %). The month with the clearest skies, so the lowest cloud coverage, is July (13 %). Over the whole year there is an average cloud coverage of 23.6 %.

Daylight hours and sunshine hours in Big Sur

The month with the longest days, so the most daylight, is June (Average daylight: 14.1 h). The month with the shortest days, so the least daylight, is December (Average daylight: 9.1 h). Over the whole year there are 11.9 h of daylight per day on average.

The month with the most sunshine per day is August (Average sunshine: 11.2 h). The month with the least sunshine per day is December (Average sunshine: 5.2 h). Over the whole year there are 8.5 h of sunlight per day on average.

UV index in Big Sur

The months with the highest average UV index are June, July, August and September (UV index: 5). The month with the lowest average UV index is December (UV index: 3). Over the whole year the average UV index is 4.2.

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