Santa Cruz weather in July

In July, Santa Cruz sees average daytime highs of 62°F and overnight lows near 56°F, with 0.0 in of rain across 0.1 wet days and about 14.3 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 62°F through the month. The sky is clear or mostly clear about 87% of the time in July, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of July to 13 h 54 min by month's end. Set against the rest of the year, July is Santa Cruz's 3rd-clearest and 6th-windiest month. For the whole year in context, see Santa Cruz's year-round climate.

Daytime high
62°
4th warmest
Overnight low
56°
9th coldest
Rainfall
0.0 in
0.1 wet days
Daylight
14 h 18 min
5:05 AM – 7:23 PM
Cloud cover
17%
3rd clearest
Wind
8 mph
6th windiest
Solar energy
7.55 kWh/m²
Travel score
7.2
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 62°F through the month.

A typical July day in Santa Cruz reaches about 62°F in the afternoon and slips back to 56°F overnight — a 6°F spread between the day's warmth and the night's chill. On most days the high lands between 58°F and 65°F. Set against its neighbours, July runs about 1°F warmer than June and about 2°F cooler than August.

50°55°60°65°70°151015202531
Avg high (°F)Avg low (°F)
16155
26155
36155
46155
56155
66155
76155
86155
96155
106255
116255
126255
136256
146256
156256
166256
176256
186256
196256
206256
216256
226256
236256
246256
256256
266256
276256
286256
296256
306257
316257

Santa Cruz weather by month

How July compares with the rest of the year at a glance. July is the 4th-warmest and 12th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 87% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 7% of July, with mostly cloudy or overcast conditions the remaining 6%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1928
2937
3937
4937
5946
6946
7946
8946
9946
10955
11955
12955
13955
14955
15955
16955
17946
18946
19946
20946
21946
22946
23946
24946
25946
26946
27946
28937
29946
30946
31946

Chance of precipitation in July

Any precipitation

Santa Cruz gets around 0.0 in of rain over 0.1 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 0% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
188120
288120
387130
487130
586140
686140
786140
885150
985150
1084160
1183170
1282180
1381190
1480200
1579210
1677221
1775241
1874251
1973261
2072271
2171281
2270291
2369301
2469301
2568311
2667321
2767330
2866340
2965350
3064360
3164360

Wind in July

Winds average 8 mph in July.

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

0246810151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 30 min at the start of July to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:56 AM to 5:16 AM, and sunset from 7:27 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:567:27
214.54:577:27
314.54:577:27
414.54:587:26
514.54:587:26
614.54:597:26
714.44:597:26
814.45:007:26
914.45:007:26
1014.45:017:25
1114.45:017:25
1214.45:027:25
1314.45:037:24
1414.35:037:24
1514.35:047:23
1614.35:057:23
1714.35:057:22
1814.35:067:22
1914.25:077:21
2014.25:077:21
2114.25:087:20
2214.25:097:20
2314.25:107:19
2414.15:107:18
2514.15:117:17
2614.15:127:17
2714.15:137:16
2814.05:147:15
2914.05:147:14
3014.05:157:13
3113.95:167:13

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.55 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 — July's 7.55 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.7Intense
27.7Intense
37.7Intense
47.7Intense
57.7Intense
67.7Intense
77.7Intense
87.7Intense
97.7Intense
107.7Intense
117.6Intense
127.6Intense
137.6Intense
147.6Intense
157.6Intense
167.5Intense
177.5Intense
187.5Intense
197.5Intense
207.5Intense
217.5Intense
227.4Intense
237.4Intense
247.4Intense
257.4Intense
267.4Intense
277.3Intense
287.3Intense
297.3Intense
307.3Intense
317.3Intense
Planning a trip in July

Hazard calendar for Santa Cruz

In seasonPeak

None of Santa Cruz's seasonal hazards are active in July. 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 July a good time to visit Santa Cruz?

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

7.2
Sightseeing
3rd-best month of the year
1.4
Beach & pool
4th-best month of the year

July is one of the better times to visit Santa Cruz for general sightseeing.

What to pack for Santa Cruz in July

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

In July, Santa Cruz sees daytime highs around 62°F and nights near 56°F. Pack sun protection. Worth having: a warm layer.

sun protectiona warm layer

Sea temperature near Santa Cruz in July

The nearest coast averages about 57°F in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). 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 July

GoodModeratePoorUnhealthyVery unhealthy

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