Santa Cruz weather in April

In April, Santa Cruz sees average daytime highs of 57°F and overnight lows near 51°F, with 1.8 in of rain across 5 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 24 min at the start of April to 13 h 30 min by month's end. Set against the rest of the year, April is Santa Cruz's 7th-clearest and 1st-windiest month. For the whole year in context, see Santa Cruz's year-round climate.

Daytime high
57°
8th warmest
Overnight low
51°
5th coldest
Rainfall
1.8 in
5 wet days
Daylight
12 h 54 min
5:40 AM – 6:37 PM
Cloud cover
43%
7th clearest
Wind
9 mph
1st windiest
Solar energy
6.19 kWh/m²
Travel score
4.7
out of 10

Santa Cruz is city in and county seat of Santa Cruz County, California, United States.

Density
1,567/km²
people per km²
Founded
1791

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 Santa Cruz reaches about 57°F in the afternoon and slips back to 51°F overnight — a 6°F spread between the day's warmth and the night's chill. On most days the high lands between 53°F and 61°F. Set against its neighbours, April runs on par with March and on par with May.

40°50°60°70°151015202530
Avg high (°F)Avg low (°F)
15650
25650
35650
45650
55650
65650
75650
85650
95650
105650
115650
125750
135750
145750
155750
165751
175751
185751
195751
205751
215751
225751
235851
245851
255851
265851
275851
285851
295851
305851

Santa Cruz 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
Jan56° / 49°5.79.69.83.8
Feb56° / 49°5.69.410.63.8
Mar56° / 50°3.99.111.74.1
Apr57° / 51°1.8512.94.7
May58° / 52°0.8313.95.4
Jun60° / 54°0.20.914.56.5
Jul62° / 56°0.00.114.37.2
Aug63° / 57°0.00.113.47.8
Sep64° / 58°0.10.612.37.9
Oct63° / 56°1.22.9117.1
Nov59° / 52°2.66.1105.2
Dec56° / 49°5.39.69.53.9

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 16% of April, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15941
25842
35941
45941
56040
66139
76139
86139
96238
106238
116337
126337
136436
146535
156535
166634
176733
186733
196832
206832
216931
226931
236931
247030
257030
267129
277129
287129
297129
307228

Chance of precipitation in April

Any precipitation

Santa Cruz gets around 1.8 in of rain over 5 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 17% and peaks near 23% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
123
222
322
421
521
621
721
820
920
1020
1120
1219
1319
1418
1518
1617
1717
1816
1916
2015
2114
2214
2313
2413
2513
2612
2712
2811
2911
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 9 mph in April, the windiest month of the year.

Across April, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 30 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 6:23 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:026:23
212.46:016:24
312.45:596:25
412.55:586:26
512.55:566:27
612.65:556:28
712.65:536:29
812.65:526:30
912.75:506:30
1012.75:496:31
1112.85:476:32
1212.85:466:33
1312.85:446:34
1412.95:436:35
1512.95:416:36
1612.95:406:37
1713.05:396:38
1813.05:376:39
1913.15:366:39
2013.15:346:40
2113.15:336:41
2213.25:326:42
2313.25:306:43
2413.25:296:44
2513.35:286:45
2613.35:276:46
2713.45:256:47
2813.45:246:48
2913.45:236:48
3013.55:226:49

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.19 kWh/m².

For context, solar energy here swings from a low near 2.37 kWh/m² to a high of 7.7 kWh/m² in June across the year — April's 6.19 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.7Bright
45.7Bright
55.7Bright
65.8Bright
75.8Bright
85.8Bright
95.9Bright
105.9Bright
116.0Bright
126.0Intense
136.1Intense
146.1Intense
156.2Intense
166.2Intense
176.3Intense
186.3Intense
196.3Intense
206.4Intense
216.4Intense
226.5Intense
236.5Intense
246.5Intense
256.6Intense
266.6Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
Planning a trip in April

Hazard calendar for Santa Cruz

In seasonPeak

None of Santa Cruz's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Santa Cruz's rainy season runs November–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 Santa Cruz?

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
9th-best month of the year

April is a reasonable time to visit Santa Cruz for sightseeing.

What to pack for Santa Cruz in April

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

In April, Santa Cruz sees daytime highs around 57°F and nights near 51°F. Pack sun protection. Worth having: a warm layer. About 5 days see rain.

sun protectiona warm layer

Sea temperature near Santa Cruz 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 9 mi away) is warmest in September at about 58°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
Sep58Bracing
Oct58Bracing
Nov57Bracing
Dec55Bracing

UV index in Santa Cruz 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 Santa Cruz peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 23UV 10Dec 13UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun10Extreme
Jul10Extreme
Aug10Very high
Sep6High
Oct5High
Nov2Moderate
Dec2Moderate

Air quality in Santa Cruz 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 Santa Cruz is worst in August — around 17 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (June, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1816 µg/m³Jun 186 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar8Good
Apr7Good
May7Good
Jun6Good
Jul6Good
Aug17Moderate
Sep11Good
Oct10Good
Nov9Good
Dec6Good
Location & terrain

Where is Santa Cruz?

Santa Cruz sits at 37.0°N, 122.0°W, 36 ft above sea level, in United States. The nearest listed city is Live Oak, 3.1 mi away.

Topography around Santa Cruz

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Santa Cruz.

Within 2 miles, the terrain around Santa Cruz has only modest variations in elevation — a maximum elevation change of 755 ft around an average of 131 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,520 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,820 ft.

The land around Santa Cruz is covered by artificial surfaces (44%) and trees (30%) within 2 miles, water (46%) and trees (42%) within 10 miles, and water (33%), trees (29%) and grassland (25%) within 50 miles.

2 miles
755 ft
10 miles
2,520 ft
50 miles
4,820 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Live Oak 3.1 mi · Watsonville 16 mi · Los Gatos 18 mi · Saratoga 20 mi · Campbell 22 mi · Morgan Hill 24 mi · Marina 24 mi · Cupertino 24 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 Santa Cruz (36.9741°, -122.0308°, elevation 36 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).