Big Sur weather in May
In May, Big Sur sees average daytime highs of 59°F and overnight lows near 49°F, with 0.7 in of rain across 2.6 wet days and about 13.9 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.
Day-to-day highs hold fairly steady near 59°F through the month. The sky is clear or mostly clear about 60% of the time in May, and the air most often feels dry.
Daylight stretches from about 13 h 30 min at the start of May to 14 h 18 min by month's end. Set against the rest of the year, May is Big Sur's 6th-clearest and 1st-windiest month. For the whole year in context, see Big Sur's year-round climate.
- Daytime high
- 59°
- 6th warmest
- Overnight low
- 49°
- 7th coldest
- Rainfall
- 0.7 in
- 2.6 wet days
- Daylight
- 13 h 54 min
- 5:06 AM – 7:01 PM
- Cloud cover
- 35%
- 6th clearest
- Wind
- 10 mph
- 1st windiest
- Solar energy
- 7.56 kWh/m²
- Travel score
- 5.8
- out of 10
Big Sur is region in Monterey County, California, United States.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Day-to-day highs hold fairly steady near 59°F through the month.
A typical May day in Big Sur reaches about 59°F in the afternoon and slips back to 49°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 54°F and 67°F. Set against its neighbours, May runs about 2°F warmer than April and about 4°F cooler than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 61 | 61 |
| Avg low (°F) | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 50 | 50 | 50 | 50 | 50 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 59 | 48 |
| 2 | 59 | 48 |
| 3 | 59 | 48 |
| 4 | 59 | 48 |
| 5 | 59 | 48 |
| 6 | 59 | 48 |
| 7 | 59 | 48 |
| 8 | 59 | 48 |
| 9 | 59 | 48 |
| 10 | 59 | 48 |
| 11 | 59 | 49 |
| 12 | 59 | 49 |
| 13 | 59 | 49 |
| 14 | 59 | 49 |
| 15 | 59 | 49 |
| 16 | 59 | 49 |
| 17 | 59 | 49 |
| 18 | 59 | 49 |
| 19 | 59 | 49 |
| 20 | 60 | 49 |
| 21 | 60 | 49 |
| 22 | 60 | 49 |
| 23 | 60 | 49 |
| 24 | 60 | 49 |
| 25 | 60 | 49 |
| 26 | 60 | 49 |
| 27 | 60 | 50 |
| 28 | 60 | 50 |
| 29 | 60 | 50 |
| 30 | 61 | 50 |
| 31 | 61 | 50 |
Big Sur weather by month
How May compares with the rest of the year at a glance. May is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 55° / 46° | 5.1 | 9.3 | 9.8 | 3.7 |
| Feb | 55° / 46° | 4.8 | 9.3 | 10.6 | 3.6 |
| Mar | 56° / 46° | 3.4 | 8.3 | 11.7 | 4.1 |
| Apr | 57° / 47° | 1.7 | 5.7 | 12.9 | 4.7 |
| May | 59° / 49° | 0.7 | 2.6 | 13.9 | 5.8 |
| Jun | 63° / 51° | 0.1 | 0.4 | 14.4 | 7.4 |
| Jul | 66° / 54° | 0.0 | 0.1 | 14.2 | 8.3 |
| Aug | 67° / 55° | 0.1 | 0.3 | 13.4 | 8.5 |
| Sep | 67° / 55° | 0.1 | 0.6 | 12.2 | 8.4 |
| Oct | 65° / 53° | 0.9 | 2.4 | 11.1 | 7.6 |
| Nov | 59° / 49° | 2.2 | 6.1 | 10.1 | 5.3 |
| Dec | 55° / 46° | 4.5 | 9.2 | 9.6 | 3.8 |
Cloud cover in May
The sky is clear or mostly clear about 60% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 72 | 72 | 72 | 73 | 73 | 73 | 73 | 73 | 73 | 74 | 74 | 75 | 75 | 76 | 76 | 76 | 78 | 78 | 77 | 78 | 78 | 79 | 79 | 79 | 80 | 80 | 80 | 80 | 80 | 81 | 81 |
| Cloudier (%) | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 22 | 22 | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 19 | 19 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 72 | 28 |
| 2 | 72 | 28 |
| 3 | 72 | 28 |
| 4 | 73 | 27 |
| 5 | 73 | 27 |
| 6 | 73 | 27 |
| 7 | 73 | 27 |
| 8 | 73 | 27 |
| 9 | 73 | 27 |
| 10 | 74 | 26 |
| 11 | 74 | 26 |
| 12 | 75 | 25 |
| 13 | 75 | 25 |
| 14 | 76 | 24 |
| 15 | 76 | 24 |
| 16 | 76 | 24 |
| 17 | 78 | 22 |
| 18 | 78 | 22 |
| 19 | 77 | 23 |
| 20 | 78 | 22 |
| 21 | 78 | 22 |
| 22 | 79 | 21 |
| 23 | 79 | 21 |
| 24 | 79 | 21 |
| 25 | 80 | 20 |
| 26 | 80 | 20 |
| 27 | 80 | 20 |
| 28 | 80 | 20 |
| 29 | 80 | 20 |
| 30 | 81 | 19 |
| 31 | 81 | 19 |
Chance of precipitation in May
Big Sur gets around 0.7 in of rain over 2.6 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 8% and peaks near 11% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 4 | 4 | 4 | 4 | 3 |
| Rain chance (%) | |
|---|---|
| 1 | 11 |
| 2 | 11 |
| 3 | 10 |
| 4 | 10 |
| 5 | 10 |
| 6 | 10 |
| 7 | 10 |
| 8 | 10 |
| 9 | 10 |
| 10 | 10 |
| 11 | 10 |
| 12 | 10 |
| 13 | 10 |
| 14 | 10 |
| 15 | 10 |
| 16 | 10 |
| 17 | 9 |
| 18 | 9 |
| 19 | 9 |
| 20 | 8 |
| 21 | 8 |
| 22 | 7 |
| 23 | 7 |
| 24 | 6 |
| 25 | 6 |
| 26 | 5 |
| 27 | 4 |
| 28 | 4 |
| 29 | 4 |
| 30 | 4 |
| 31 | 3 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 |
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 100 | 0 |
| 2 | 100 | 0 |
| 3 | 100 | 0 |
| 4 | 100 | 0 |
| 5 | 100 | 0 |
| 6 | 100 | 0 |
| 7 | 100 | 0 |
| 8 | 100 | 0 |
| 9 | 100 | 0 |
| 10 | 100 | 0 |
| 11 | 99 | 1 |
| 12 | 99 | 1 |
| 13 | 99 | 1 |
| 14 | 99 | 1 |
| 15 | 99 | 1 |
| 16 | 99 | 1 |
| 17 | 99 | 1 |
| 18 | 99 | 1 |
| 19 | 99 | 1 |
| 20 | 99 | 1 |
| 21 | 99 | 1 |
| 22 | 99 | 1 |
| 23 | 99 | 1 |
| 24 | 99 | 1 |
| 25 | 99 | 1 |
| 26 | 100 | 0 |
| 27 | 100 | 0 |
| 28 | 100 | 0 |
| 29 | 100 | 0 |
| 30 | 100 | 0 |
| 31 | 100 | 0 |
Wind in May
Winds average 10 mph in May, the windiest month of the year.
Across May, daily wind ranges from about 10 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 10 | light breeze |
| 2 | 10 | light breeze |
| 3 | 10 | light breeze |
| 4 | 10 | light breeze |
| 5 | 10 | light breeze |
| 6 | 10 | light breeze |
| 7 | 10 | light breeze |
| 8 | 10 | light breeze |
| 9 | 10 | light breeze |
| 10 | 10 | light breeze |
| 11 | 10 | light breeze |
| 12 | 10 | light breeze |
| 13 | 10 | light breeze |
| 14 | 10 | light breeze |
| 15 | 10 | light breeze |
| 16 | 10 | light breeze |
| 17 | 10 | light breeze |
| 18 | 10 | light breeze |
| 19 | 10 | light breeze |
| 20 | 10 | light breeze |
| 21 | 10 | light breeze |
| 22 | 10 | light breeze |
| 23 | 10 | light breeze |
| 24 | 10 | light breeze |
| 25 | 10 | light breeze |
| 26 | 10 | light breeze |
| 27 | 10 | light breeze |
| 28 | 10 | light breeze |
| 29 | 10 | light breeze |
| 30 | 10 | light breeze |
| 31 | 10 | light breeze |
Sunrise & sunset in May
Daylight runs from about 13 h 30 min at the start of May to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 48 minutes over May. Sunrise moves from 5:21 AM to 4:57 AM, and sunset from 6:48 PM to 7:13 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.5 | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 | 13.7 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 13.9 | 14.0 | 14.0 | 14.0 | 14.0 | 14.1 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.3 |
| Sunrise (AM) | 5:21 | 5:20 | 5:18 | 5:17 | 5:16 | 5:15 | 5:14 | 5:13 | 5:12 | 5:11 | 5:10 | 5:09 | 5:08 | 5:08 | 5:07 | 5:06 | 5:05 | 5:04 | 5:04 | 5:03 | 5:02 | 5:01 | 5:01 | 5:00 | 5:00 | 4:59 | 4:59 | 4:58 | 4:58 | 4:57 | 4:57 |
| Sunset (PM) | 6:48 | 6:49 | 6:50 | 6:51 | 6:52 | 6:53 | 6:53 | 6:54 | 6:55 | 6:56 | 6:57 | 6:58 | 6:59 | 6:59 | 7:00 | 7:01 | 7:02 | 7:03 | 7:04 | 7:04 | 7:05 | 7:06 | 7:07 | 7:07 | 7:08 | 7:09 | 7:10 | 7:10 | 7:11 | 7:12 | 7:13 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.5 | 5:21 | 6:48 |
| 2 | 13.5 | 5:20 | 6:49 |
| 3 | 13.5 | 5:18 | 6:50 |
| 4 | 13.6 | 5:17 | 6:51 |
| 5 | 13.6 | 5:16 | 6:52 |
| 6 | 13.6 | 5:15 | 6:53 |
| 7 | 13.7 | 5:14 | 6:53 |
| 8 | 13.7 | 5:13 | 6:54 |
| 9 | 13.7 | 5:12 | 6:55 |
| 10 | 13.7 | 5:11 | 6:56 |
| 11 | 13.8 | 5:10 | 6:57 |
| 12 | 13.8 | 5:09 | 6:58 |
| 13 | 13.8 | 5:08 | 6:59 |
| 14 | 13.9 | 5:08 | 6:59 |
| 15 | 13.9 | 5:07 | 7:00 |
| 16 | 13.9 | 5:06 | 7:01 |
| 17 | 13.9 | 5:05 | 7:02 |
| 18 | 14.0 | 5:04 | 7:03 |
| 19 | 14.0 | 5:04 | 7:04 |
| 20 | 14.0 | 5:03 | 7:04 |
| 21 | 14.0 | 5:02 | 7:05 |
| 22 | 14.1 | 5:01 | 7:06 |
| 23 | 14.1 | 5:01 | 7:07 |
| 24 | 14.1 | 5:00 | 7:07 |
| 25 | 14.1 | 5:00 | 7:08 |
| 26 | 14.2 | 4:59 | 7:09 |
| 27 | 14.2 | 4:59 | 7:10 |
| 28 | 14.2 | 4:58 | 7:10 |
| 29 | 14.2 | 4:58 | 7:11 |
| 30 | 14.2 | 4:57 | 7:12 |
| 31 | 14.3 | 4:57 | 7:13 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 7.56 kWh/m².
For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 8.18 kWh/m² in June across the year — May's 7.56 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 7.2 | 7.3 | 7.3 | 7.3 | 7.3 | 7.4 | 7.4 | 7.4 | 7.4 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.9 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.2 | Intense |
| 2 | 7.3 | Intense |
| 3 | 7.3 | Intense |
| 4 | 7.3 | Intense |
| 5 | 7.3 | Intense |
| 6 | 7.4 | Intense |
| 7 | 7.4 | Intense |
| 8 | 7.4 | Intense |
| 9 | 7.4 | Intense |
| 10 | 7.5 | Intense |
| 11 | 7.5 | Intense |
| 12 | 7.5 | Intense |
| 13 | 7.5 | Intense |
| 14 | 7.5 | Intense |
| 15 | 7.5 | Intense |
| 16 | 7.6 | Intense |
| 17 | 7.6 | Intense |
| 18 | 7.6 | Intense |
| 19 | 7.6 | Intense |
| 20 | 7.6 | Intense |
| 21 | 7.7 | Intense |
| 22 | 7.7 | Intense |
| 23 | 7.7 | Intense |
| 24 | 7.7 | Intense |
| 25 | 7.7 | Intense |
| 26 | 7.8 | Intense |
| 27 | 7.8 | Intense |
| 28 | 7.8 | Intense |
| 29 | 7.8 | Intense |
| 30 | 7.8 | Intense |
| 31 | 7.9 | Intense |
Hazard calendar for Big Sur
None of Big Sur's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Big Sur's rainy season runs December–March, when most of the year's rain falls.
Is May a good time to visit Big Sur?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Big Sur for sightseeing.
What to pack for Big Sur in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Big Sur sees daytime highs around 59°F and nights near 49°F. Pack sun protection. Worth having: a warm layer.
Sea temperature near Big Sur in May
The nearest coast averages about 54°F in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 8 mi away) is warmest in September at about 59°F and coldest in April near 54°F.
The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 55 | 55 | 55 | 54 | 54 | 55 | 57 | 58 | 59 | 58 | 57 | 56 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 55 | Bracing |
| Feb | 55 | Bracing |
| Mar | 55 | Bracing |
| Apr | 54 | Bracing |
| May | 54 | Bracing |
| Jun | 55 | Bracing |
| Jul | 57 | Bracing |
| Aug | 58 | Bracing |
| Sep | 59 | Bracing |
| Oct | 58 | Bracing |
| Nov | 57 | Bracing |
| Dec | 56 | Bracing |
UV index in Big Sur in May
Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Big Sur peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 5 | 7 | 8 | 11 | 10 | 10 | 7 | 5 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme | Very high | High | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Very high |
| Sep | 7 | High |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Big Sur in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Big Sur is worst in September — around 27 µg/m³ PM2.5 (moderate), about 7.0× the cleanest month (December, 4 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 4 | 5 | 5 | 5 | 5 | 5 | 16 | 25 | 27 | 6 | 4 | 4 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 4 | Good |
| Feb | 5 | Good |
| Mar | 5 | Good |
| Apr | 5 | Good |
| May | 5 | Good |
| Jun | 5 | Good |
| Jul | 16 | Moderate |
| Aug | 25 | Moderate |
| Sep | 27 | Moderate |
| Oct | 6 | Good |
| Nov | 4 | Good |
| Dec | 4 | Good |
Where is Big Sur?
Big Sur sits at 36.3°N, 121.8°W, 0 ft above sea level, in United States. The nearest listed city is Monterey, 24 mi away.
Topography around Big Sur
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Big Sur.
Within 2 miles, the terrain around Big Sur has large variations in elevation — a maximum elevation change of 3,455 ft around an average of 1,145 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 4,918 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,758 ft.
The land around Big Sur is covered by trees (77%) within 2 miles, water (45%) and trees (43%) within 10 miles, and water (40%), grassland (27%) and trees (22%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Big Sur (36.2702°, -121.8075°, elevation 0 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).