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Contents
- The climate of Santa Cruz
- The best time to visit Santa Cruz
- The worst time to visit Santa Cruz
- Spring weather in Santa Cruz
- Summer weather in Santa Cruz
- Autumn weather in Santa Cruz
- Winter weather in Santa Cruz
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Sandy beach, scenic trees, and residential homes of the bay area in Santa Cruz, California
The climate of Santa Cruz
Santa Cruz, California, located in the United States, has a Mediterranean climate with warm summers, classified as "Csb" according to the Köppen climate classification. This is characterized by the presence of both pleasant temperature and considerable precipitation spread around the year.
Regarding average high temperatures throughout the year, they display only mild fluctuation, as noticed between the lowest of 57.2°F (14°C) in December and a summer peak of 73°F (22.8°C) from July to September. In comparison, lows range from 45.5°F (7.5°C) in February to a maximum of 55.2°F (12.9°C) in September.
It's important to mention humidity too, which oscillates slightly between 68% in October and 75% in March, thus ensuring air is both fresh and crisp for the most part. The range in sea temperatures varies from 53.9°F (12.2°C) in April to a summer peak of 58.2°F (14.6°C) in September.
In terms of precipitation, January and February witness the highest rainfall of around 2.56in to 2.64in, while a considerable decrease to just 0.04in can be observed in July and August. This variation caters to a wide array of preferences towards rainfall.
The daylight hours range from 9.7 in December to a high of 14.7 in June. Corresponding sunshine hours also range from 5.8h in December to 11.7h in July. Looking into cloud coverage, a minimum of 15% can be noticed in July and September to a maximum of 38% in March.
Regarding average high temperatures throughout the year, they display only mild fluctuation, as noticed between the lowest of 57.2°F (14°C) in December and a summer peak of 73°F (22.8°C) from July to September. In comparison, lows range from 45.5°F (7.5°C) in February to a maximum of 55.2°F (12.9°C) in September.
It's important to mention humidity too, which oscillates slightly between 68% in October and 75% in March, thus ensuring air is both fresh and crisp for the most part. The range in sea temperatures varies from 53.9°F (12.2°C) in April to a summer peak of 58.2°F (14.6°C) in September.
In terms of precipitation, January and February witness the highest rainfall of around 2.56in to 2.64in, while a considerable decrease to just 0.04in can be observed in July and August. This variation caters to a wide array of preferences towards rainfall.
The daylight hours range from 9.7 in December to a high of 14.7 in June. Corresponding sunshine hours also range from 5.8h in December to 11.7h in July. Looking into cloud coverage, a minimum of 15% can be noticed in July and September to a maximum of 38% in March.
The best time to visit Santa Cruz
For those who relish the warmth and extended daylight hours, the months from May to September stand out as the optimal time to visit Santa Cruz. During this period, the temperatures stay an average high between 64.9°F (18.3°C) and 73°F (22.8°C), along with prolonged daylight hours from 13.5h to 14.7h.
Increased visibility levels of 6 miles, a low cloud coverage of roughly 15-19% and sea temperatures between 54.4°F (12.4°C) to 58.2°F (14.6°C) also make these months favorable for beach lounging and sightseeing.
Increased visibility levels of 6 miles, a low cloud coverage of roughly 15-19% and sea temperatures between 54.4°F (12.4°C) to 58.2°F (14.6°C) also make these months favorable for beach lounging and sightseeing.
The worst time to visit Santa Cruz
If avoiding precipitation is a priority, mid-winter and early spring months i.e., from December to March may not be ideal for travel. These months witness the highest rainfall from 2.48in to 2.8in. The bleak climate during these months is further reinforced by comparatively lower daylight hours from 9.7h to 12h and less sunshine duration from 5.8h to 7.6h.
Spring weather in Santa Cruz
Spring in Santa Cruz comes with quite pleasant weather conditions. Stretching from March to May, average high temperatures display a mild increase from 60.4°F (15.8°C) to 64.9°F (18.3°C). Daylight hours considerably expand from 12h to 14.2h during these months. Interestingly, there's a drastic reduction in rainfall during this season, specifically from 2.48in in March to a noticeable drop to 0.67in in May.
Summer weather in Santa Cruz
Santa Cruz's summer, from June to August, is characterized by warm, dry weather and long daylight hours. The average high temperature stays within the comfortable range of 70°F (21.1°C) to 73°F (22.8°C). The ecosystem thrives in these optimal conditions as indicated by minimal cloud coverage of 15-19% and average rainfall displaying a significant decrease to a mere 0.04in to 0.08in.
Autumn weather in Santa Cruz
Autumn in Santa Cruz, which covers September through November, sees a gradual drop in temperatures, from 73°F (22.8°C) to 62.8°F (17.1°C). Being transitional months, daylight and sunshine hours start decreasing from 12.4h to 10.2h and 10.9h to 6.5h respectively. Rainfall increases with progression into late-Autumn from 0.12in in September to 1.61in in November.
Winter weather in Santa Cruz
The Winter months of December through February in Santa Cruz are relatively cooler with average high temperatures dropping to 57.2°F (14°C) in December and slightly rising to 59.4°F (15.2°C) by February. Correspondingly, the average low hovers from 46.2°F (7.9°C) up to 46.9°F (8.3°C) within these months. The daylight hours are the shortest, ranging from 9.7h to 10.9h. The change in season is marked by increased cloud coverage of up to 35% in December and a peak in precipitation levels between 2.56in and 2.8in.
Weather in January
Despite a chilly start in the year, Santa Cruz, California, offers a rather mild weather scenario in January. Signs of the bay area winter are evident, marked by the city's relatively cold sea temperature of 54.1°F (12.3°C) and moderate humidity levels. Weather in January »
Weather in February
Heading into February, Santa Cruz sees a slight increase in average high temperature, while the rainfall becomes slightly more frequent. The combination of 58.6°F (14.8°C) high temperature and closeness to the Pacific results in a mix between finty weather and isolated rain showers. Weather in February »
Weather in March
Santa Cruz's weather system in March steps a pace further towards spring. Temperature differences between highs and lows are minimal and wind speeds of 7mph (11.3km/h) provide a noticeable cooling impact. Most notably, March marks the beginning of vast changes in precipitation patterns. Weather in March »
Weather in April
April carries significant weather changes with it in Santa Cruz, striking a balance between warming temperatures and dissipating rainfall. Average rainfall drops significantly from 2.48" (63mm) in March to 0.94" (24mm) in April. Sunny days are frequent, and the increasing daylight hours close to an appreciable 13.2 hours bring vibrancy to Santa Cruz's scenic beauty. Weather in April »
Weather in May
As spring nears its end, temperatures in Santa Cruz continue their upward trend in May. The sea temperature rises slightly, signaling the initiation of ideal beach conditions. Winds show a slight decrease from April, and total rainfall reduces further to a meager 0.67" (17mm). Weather in May »
Weather in June
June marks the start of summer in Santa Cruz and brings sunny weather, extended daylight hours, and increasing warmth. The pleasant climate opens up opportunities for a slew of beach activities, including beach volleyball and sandcastle building. Weather in June »
Weather in July
July brings the apex of summer in Santa Cruz, ushering in the hottest climate of the year. Warm currents raise the sea temperature to a comfortable 57°F (13.9°C), perfect for a delightful swim. Outdoor conditions remain generally comfortable as the city experiences 14.4 hours of daylight per day. Weather in July »
Weather in August
August continues the sunny and warm spell from the peak summer month of July in Santa Cruz. A high temperature of 73°F (22.8°C) and a record low rainfall of just 0.04" (1mm) make August the ultimate beach goer's month. Winds remain calm, marking the perfect crescendo for surfing and kiteboarding events. Weather in August »
Weather in September
September in Santa Cruz brings gradual changes to central California's coastal weather. After the zenith of summer, the weather begins calming down, with the high temperature dropping slightly from August. Even though there's a slight jump in rainfall to 0.12" (3mm), rainfall days are few and far between. Weather in September »
Weather in October
October ushers in the autumn season in Santa Cruz, which brings in slightly cooler temperatures and an increase in rainfall. While the change in temperature is subtle, the increase in precipitation attracts attention. Despite the shift in weather, October stands out as a pleasant month with the city basking in a mix of warm and cool temperatures. Weather in October »
Weather in November
November's weather in Santa Cruz manifests the presence of the fall season more vividly. A notable drop in temperatures accompanies an increase in rainfall and a decrease in daylight hours. However, the sea temperature remains adequately warm for beach activities. Weather in November »
Weather in December
December marks the advent of winter for Santa Cruz, cueing in cooler temperatures and an increase in rainfall. It's the month with the highest recorded rainfall of 2.8" (71mm) and a typically high cloud percentage of up to 35%. Weather in December »
Updated: Feb 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How much does it rain in Santa Cruz?
In Santa Cruz, California, during the entire year, the rain falls for 77.9 days and collects up to 14.45" (367mm) of precipitation.
What are the months with the lowest UV index in Santa Cruz?
The months with the lowest UV index in Santa Cruz are February and November, with an average maximum UV index of 3.
What is the most humid month in Santa Cruz?
March is the most humid month, with an average relative humidity of 75%.
When is Daylight Saving Time (DST) in Santa Cruz?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Santa Cruz, California, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
What is the month with the coldest ocean in Santa Cruz?
April is the month with the coldest seawater, with an average ocean temperature of 54°F (12.2°C).
When are the longest days in Santa Cruz?
The month with the longest days is June, with an average of 14h and 42min of daylight.
What are the months with the highest UV index in Santa Cruz?
June through September, with an average maximum UV index of 5, are months with the highest UV index.
What is the driest month in Santa Cruz?
The months with the least rainfall in Santa Cruz, California, are July and August Rain falls for 2.8 days and accumulates 0.04" (1mm) of rain.
What month has the most sunshine in Santa Cruz?
The month with the most sunshine is July, with an average of 11.7h of sunshine.
What part of the year is the hottest in Santa Cruz?
August and September, when the average high-temperature in Santa Cruz, California, reaches 73°F (22.8°C), are the warmest months.
When is the ocean warmest in Santa Cruz?
The month with the warmest seawater in Santa Cruz, California, is September, with an average ocean temperature of 58.1°F (14.5°C).
What is the least humid month in Santa Cruz?
October is the least humid month, with an average relative humidity of 68%.
What month is the coldest in Santa Cruz?
December is the month when Santa Cruz sees the average lowest temperatures, with a high of 57.2°F (14°C) and a low of 46.2°F (7.9°C).
What is the rainiest month in Santa Cruz?
December is the month with the most rainfall in Santa Cruz. Rain falls for 10.3 days and accumulates 2.8" (71mm) of precipitation.
What is the month with the shortest days in Santa Cruz?
December has the shortest days of the year, with an average of 9h and 42min of daylight.
What is the month with the least sunshine in Santa Cruz?
December has the least sunshine of the year in Santa Cruz, California, with an average of 5.8h of sunshine.
Average temperature
Santa Cruz, CA
The warmest months (with the highest average high temperature) are August and September (73°F).
The month with the lowest average high temperature is December (57.2°F).
The month with the highest average low temperature is September (55.2°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).
Average pressure
Santa Cruz, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed
Santa Cruz, CA
- Average wind speed in January:
5.7mph - Average wind speed in February:
6.8mph - Average wind speed in March:
7mph - Average wind speed in April:
7.4mph - Average wind speed in May:
7.2mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.7mph - Average wind speed in October:
5.7mph - Average wind speed in November:
5.7mph - Average wind speed in December:
6.2mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity
Santa Cruz, CA
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (68%).
Average rainfall
Santa Cruz, CA
- Average rainfall in January:
2.56" - Average rainfall in February:
2.64" - Average rainfall in March:
2.48" - Average rainfall in April:
0.94" - Average rainfall in May:
0.67" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.12" - Average rainfall in October:
0.47" - Average rainfall in November:
1.61" - Average rainfall in December:
2.8"
The wettest month (with the highest rainfall) is December (2.8").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Santa Cruz, CA
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
13.4 days - Average rainfall days in April:
9 days - Average rainfall days in May:
6.5 days - Average rainfall days in June:
2.8 days
- Average rainfall days in July:
2.8 days - Average rainfall days in August:
1.2 days - Average rainfall days in September:
2.7 days - Average rainfall days in October:
4.5 days - Average rainfall days in November:
6.6 days - Average rainfall days in December:
10.3 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (1.2 days).
Average sea temperature
Santa Cruz, CA
The best month for swimming (with the highest average sea temperature) is September (58.2°F).
The coldest month (with the lowest average sea temperature) is April (53.9°F).
Average daylight / Average sunshine
Santa Cruz, CA
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
6h and 1min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 4min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 2min - Average sunshine in June:
11h and 3min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 4min - Average sunshine in September:
10h and 5min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 3min - Average sunshine in December:
5h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days
Santa Cruz, CA
- Average sunshine days in January:
20.5 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
16.4 days - Average sunshine days in April:
19.9 days - Average sunshine days in May:
22.1 days - Average sunshine days in June:
25.3 days
- Average sunshine days in July:
27.4 days - Average sunshine days in August:
27.8 days - Average sunshine days in September:
26.3 days - Average sunshine days in October:
25.3 days - Average sunshine days in November:
22 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (16.4 days).
Average UV index
Santa Cruz, CA
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February and November (UV index 3).
Average cloud cover
Santa Cruz, CA
The month with the most cloud cover is March (Cloud cover 38).
The months with the least cloud cover are July and September (Cloud cover 15).
Average visibility
Santa Cruz, CA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Santa Cruz, California, USA
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