Big Sur weather in April

In April, Big Sur sees average daytime highs of 57°F and overnight lows near 47°F, with 1.7 in of rain across 5.7 wet days and about 12.9 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 57°F through the month. The sky is clear or mostly clear about 50% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 24 min by month's end. Set against the rest of the year, April is Big Sur's 8th-clearest and 3rd-windiest month. For the whole year in context, see Big Sur's year-round climate.

Daytime high
57°
8th warmest
Overnight low
47°
5th coldest
Rainfall
1.7 in
5.7 wet days
Daylight
12 h 54 min
5:40 AM – 6:35 PM
Cloud cover
42%
8th clearest
Wind
10 mph
3rd windiest
Solar energy
6.6 kWh/m²
Travel score
4.7
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 April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 57°F through the month.

A typical April day in Big Sur reaches about 57°F in the afternoon and slips back to 47°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 51°F and 64°F. Set against its neighbours, April runs on par with March and about 2°F cooler than May.

40°50°60°70°151015202530
Avg high (°F)Avg low (°F)
15646
25646
35646
45646
55646
65646
75646
85646
95646
105646
115646
125646
135646
145646
155746
165747
175747
185747
195747
205747
215847
225847
235847
245847
255847
265848
275848
285848
295848
305848

Big Sur weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan55° / 46°5.19.39.83.7
Feb55° / 46°4.89.310.63.6
Mar56° / 46°3.48.311.74.1
Apr57° / 47°1.75.712.94.7
May59° / 49°0.72.613.95.8
Jun63° / 51°0.10.414.47.4
Jul66° / 54°0.00.114.28.3
Aug67° / 55°0.10.313.48.5
Sep67° / 55°0.10.612.28.4
Oct65° / 53°0.92.411.17.6
Nov59° / 49°2.26.110.15.3
Dec55° / 46°4.59.29.63.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56337
66337
76337
86337
96337
106337
116436
126436
136535
146634
156733
166733
176832
186832
197030
207030
217030
227129
237129
247129
257129
267129
277129
287228
297228
307228

Chance of precipitation in April

Any precipitation

Big Sur gets around 1.7 in of rain over 5.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 19% and peaks near 24% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
124
223
323
423
523
623
723
823
923
1023
1123
1222
1322
1421
1520
1619
1718
1818
1917
2016
2116
2215
2314
2414
2513
2613
2712
2812
2912
3011

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 10 mph in April.

Across April, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over April. Sunrise moves from 6:02 AM to 5:22 AM, and sunset from 6:22 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:026:22
212.46:006:23
312.45:596:24
412.55:576:25
512.55:566:26
612.55:546:27
712.65:536:27
812.65:516:28
912.75:506:29
1012.75:486:30
1112.75:476:31
1212.85:456:32
1312.85:446:33
1412.85:436:33
1512.95:416:34
1612.95:406:35
1713.05:386:36
1813.05:376:37
1913.05:366:38
2013.15:346:39
2113.15:336:39
2213.15:326:40
2313.25:306:41
2413.25:296:42
2513.35:286:43
2613.35:276:44
2713.35:256:45
2813.45:246:46
2913.45:236:46
3013.45:226:47

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.6 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 — April's 6.6 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Intense
36.1Intense
46.1Intense
56.2Intense
66.2Intense
76.2Intense
86.3Intense
96.3Intense
106.4Intense
116.4Intense
126.5Intense
136.5Intense
146.5Intense
156.6Intense
166.6Intense
176.7Intense
186.7Intense
196.8Intense
206.8Intense
216.8Intense
226.9Intense
236.9Intense
247.0Intense
257.0Intense
267.0Intense
277.1Intense
287.1Intense
297.2Intense
307.2Intense
Planning a trip in April

Hazard calendar for Big Sur

In seasonPeak

None of Big Sur's seasonal hazards are active in April. 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.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Big Sur?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.7
Sightseeing
8th-best month of the year
0.0
Beach & pool
8th-best month of the year

April is a reasonable time to visit Big Sur for sightseeing.

What to pack for Big Sur in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Big Sur sees daytime highs around 57°F and nights near 47°F. Pack sun protection. Worth having: a warm layer. About 6 days see rain.

sun protectiona warm layer

Sea temperature near Big Sur in April

The nearest coast averages about 54°F in April — 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.

52°54°56°58°60°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°F)Comfort
Jan55Bracing
Feb55Bracing
Mar55Bracing
Apr54Bracing
May54Bracing
Jun55Bracing
Jul57Bracing
Aug58Bracing
Sep59Bracing
Oct58Bracing
Nov57Bracing
Dec56Bracing

UV index in Big Sur in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 7 — enough to warrant sun protection. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 11Dec 12UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep7High
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Big Sur in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1027 µg/m³Dec 174 µg/m³
PM2.5 (µg/m³)Level
Jan4Good
Feb5Good
Mar5Good
Apr5Good
May5Good
Jun5Good
Jul16Moderate
Aug25Moderate
Sep27Moderate
Oct6Good
Nov4Good
Dec4Good
Location & terrain

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.

2 miles
3,455 ft
10 miles
4,918 ft
50 miles
5,758 ft
treesshrubsgrasslandcroplandartificial surfaceswater
April weather nearby: Monterey 24 mi · Seaside 24 mi · Pacific Grove 25 mi · Marina 29 mi · Soledad 29 mi · Salinas 29 mi · Greenfield 32 mi · Prunedale 36 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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).