Expand
Contents
- The climate of Santa Ana
- The best time to visit Santa Ana
- The worst time to visit Santa Ana
- Spring weather in Santa Ana
- Summer weather in Santa Ana
- Autumn weather in Santa Ana
- Winter weather in Santa Ana
- 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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Night lights of the street in Santa Ana, California, with palm trees lining the street
The climate of Santa Ana
The city of Santa Ana, situated in California, USA, exemplifies the Mediterranean hot summer climate, also known as Csa under the Köppen climate classification. Throughout the year, a range of weather conditions transpire, influenced significantly by this prevailing climate classification.
Temperature values in the region vary, with the yearly highs reaching a peak of 83.1°F (28.4°C) in August, followed closely by 81.7°F (27.6°C) in September. Contrastingly, the coldest temperatures are registered in the winter months, with 50.2°F (10.1°C) reported as a low in February. Examining the yearly humidity data, relative humidity percentage gravitates from a lower limit of 52% in November to a peak 66% in June.
Rainfall occurrence is another critical aspect of Santa Ana's climate. The maximum rainfall of 1.54" (39mm) is registered in December, while the driest month is evidenced in June, with rainfall measuring just 0.08" (2mm) on average. Daylight lasts the longest, 14.4 hours, in June, whereas the shortest days transpire in December, with a duration of 9.9 hours. As expected, sunshine hours mirror the daylight trend, reaching up to 12 hours in the months of July and August.
The wind parameters display a subtle deviation throughout the year. Wind speeds range from 4.6mph (7.4km/h) in September to 5.9mph (9.5km/h) in April. Peak gustiness in the wind is experienced in December, with a gust speed reaching 8.1mph (13km/h).
Temperature values in the region vary, with the yearly highs reaching a peak of 83.1°F (28.4°C) in August, followed closely by 81.7°F (27.6°C) in September. Contrastingly, the coldest temperatures are registered in the winter months, with 50.2°F (10.1°C) reported as a low in February. Examining the yearly humidity data, relative humidity percentage gravitates from a lower limit of 52% in November to a peak 66% in June.
Rainfall occurrence is another critical aspect of Santa Ana's climate. The maximum rainfall of 1.54" (39mm) is registered in December, while the driest month is evidenced in June, with rainfall measuring just 0.08" (2mm) on average. Daylight lasts the longest, 14.4 hours, in June, whereas the shortest days transpire in December, with a duration of 9.9 hours. As expected, sunshine hours mirror the daylight trend, reaching up to 12 hours in the months of July and August.
The wind parameters display a subtle deviation throughout the year. Wind speeds range from 4.6mph (7.4km/h) in September to 5.9mph (9.5km/h) in April. Peak gustiness in the wind is experienced in December, with a gust speed reaching 8.1mph (13km/h).
The best time to visit Santa Ana
Planning a visit to Santa Ana would bring the most pleasure between the months of June and September. During this period, the city witnesses its longest hours of daylight and a reduced rainfall frequency. Temperatures during these months range from 76.1°F (24.5°C) to 83.1°F (28.4°C), providing warm and comforting climate conditions. Moreover, around 14 hours of daily daylight ensures that tourist activities can be pursued without hindrance.
The worst time to visit Santa Ana
Rescheduling a potential trip is advisable for the winter months, particularly December and January. Despite attaining the peak in rainfall frequencies and quantities, these months witness the lowest daylight hours. With average temperatures also striking lower readings of about 63.7°F (17.6°C) in December and 65.1°F (18.4°C) in January, comfort is comparably diminished.
Spring weather in Santa Ana
The spring season, lasting from March to May, witnesses a steady temperature increase from 67.5°F (19.7°C) to 72°F (22.2°C). The frequency of rainfall days diminishes gradually from 7.1 days in March to 4.8 days in May, making Santa Ana a desirable springtime destination. The lengthening of daylight hours from 12 to 13.9 hours enhances the allure of outdoor pursuits in Santa Ana during this period.
Summer weather in Santa Ana
Throughout the summer months, Santa Ana offers a warm and welcoming climate for visitors and residents alike. With average highs oscillating from 76.1°F (24.5°C) in June to 83.1°F (28.4°C) in August, the weather is aptly warm. Correspond to this, the occurrence of rainfall days plummets to nearly negligible proportions, averaging 1.7 days in June to a modest 2.4 days in August. Furthermore, the duration of daylight hits its peak during the summer months, touched at a maximum of 14.4 hours.
Autumn weather in Santa Ana
A transition in weather conditions is evidenced during Autumn. The temperature gradually moves between 81.7°F (27.6°C) in September to 70.7°F (21.5°C) in November. Rainfall occurs slightly more frequently than in the summer, with September witnessing 3.7 rainfall days, which increases to 4.1 days by November. Daylight hours reduce as autumn progresses, ranging from 12.4 hours in September down to 10.4 hours in November.
Winter weather in Santa Ana
The winter months usher in the lowest registered temperatures of the year in Santa Ana, seeing the mercury drop from 70.7°F (21.5°C) in November to 63.7°F (17.6°C) in December. The increase in rainfall frequency is significant, with 6.3 days of rainfall reported in December. Shorter daylight hours, which dwindle down to 9.9 hours in December, is another characteristic of Santa Ana winters. Despite the drop in temperature, Santa Ana's winter temperatures remain comparatively moderate to those seen in colder climate zones. Wind speed maintains its average value around 5mph (8km/h), with notable gusts peaking at 8.1mph (13km/h) in December.
Weather in January
Weather in Santa Ana, California, in January, experiences mild temperatures with the high and low temperature averaging between 65.8°F (18.8°C) and 51.3°F (10.7°C). This makes the weather quite pleasant compared to the colder months of the year. Weather in January »
Weather in February
As one moves from January to February in Santa Ana, slight changes in weather conditions are noticeable. The month is characterized by a gradual increase in temperature and humidity, signaling the slow arrival of the spring season. Weather in February »
Weather in March
March sees weather conditions continuing to change, with a marginal rise in temperatures and humidity levels. Despite the spring season being well underway by this time, rainfall is surprisingly low, averaging at 0.83" (21mm) for the month. Weather in March »
Weather in April
April in Santa Ana is characterized by a noticeable shift in the weather pattern, with temperature and daylight hours increasing, indicating the onset of summer. The city experiences a dip in rainfall at 0.51" (13mm). Additionally, the cloud coverage decreases to 19%, allowing residents and visitors to enjoy ample sunshine and clear skies. Weather in April »
Weather in May
May ushers in a more definitive summer weather pattern in Santa Ana, with temperatures and humidity levels on the rise. Despite the increasing temperatures, rainfall decreases even further to 0.24" (6mm), marking the driest period of the year. Weather in May »
Weather in June
June in Santa Ana is characterized by peak summer conditions. It is one of the sunniest months, with the UV index peaking at 6. The heats up from May, but the rainfall remains minimal at an average of 0.08" (2mm). Notably, the wind speed drops to 5.3mph (8.5km/h), leading to calmer days. Weather in June »
Weather in July
July continues the summer trend in Santa Ana, with temperatures further increasing and hitting a yearly average high of 81.1°F (27.3°C). Rainfall slightly increases, registering 0.35" (9mm). The wind speed drops marginally to 5mph (8km/h), and the daylight hours slightly decrease to 14.1. Weather in July »
Weather in August
August in Santa Ana is typically the warmest month of the year, with the temperature reaching a yearly peak of 83.1°F (28.4°C). Despite the increase in heat, rainfall remains low at 0.24" (6mm). The city sees a decrease in wind speed further to 4.8mph (7.7km/h). Weather in August »
Weather in September
September brings a slight relief from the peak summer heat in Santa Ana, with temperatures subtly decreasing. Despite this, the city continues to enjoy high quantities of sunshine and clear skies, with cloud coverage standing at just 9%. Weather in September »
Weather in October
October in Santa Ana sees a definite arrival of the autumn season, characterized by cooler temperatures and a slight increase in rainfall to 0.31" (8mm). The reduced daylight hours reflect the changing season, but this does not stop the residents from enjoying outdoor activities, thanks to the warm climate. Weather in October »
Weather in November
The month of November signals the onset of winter in Santa Ana. The city experiences a notable drop in temperature, but it remains comfortable for outdoor activities. The rainfall increases to 0.67" (17mm), preparing the environment for the approaching winter. Weather in November »
Weather in December
Santa Ana, California, in December experiences winter conditions, with temperatures dipping down to 63.7°F (17.6°C) on average. The month sees the highest rainfall of the year, totaling 1.54" (39mm), providing a much-needed hydration to the region. Weather in December »
Updated: Jun 26, 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 Ana?
Throughout the year, there are 55 rainfall days, and 7.4" (188mm) of precipitation is accumulated.
When is the lowest UV index?
The months with the lowest UV index in Santa Ana are January, February, November and December, with an average maximum UV index of 4.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 most humid month?
The most humid month is June, with an average relative humidity of 66%.
What is the driest month?
The month with the least rainfall is June, when the rain falls for 1.7 days and typically collects 0.08" (2mm) of precipitation.
When are the longest days?
June has the longest days of the year, with an average of 14h and 24min of daylight.
What are the months with the highest UV index?
June through September, with an average maximum UV index of 6, are months with the highest UV index.
What are the months with the most sunshine?
July and August, with an average of 12h of sunshine, are months with the most sunshine.
What is the warmest month?
Temperature readings reach their annual highs in August, averaging 83.1°F (28.4°C) and a minimum average of 64.9°F (18.3°C).
What is the least humid month?
With an average relative humidity of 52%, November is the least humid month.
What time of the year is the coldest?
December, characterized by an average high temperature of 63.7°F (17.6°C) and a low temperature of 50.7°F (10.4°C), is generally the coldest month.
What is the rainiest month?
December is the month with the most rainfall. Rain falls for 6.3 days and accumulates 1.54" (39mm) of precipitation.
What is the month with the shortest days?
With an average of 10h and 0min of daylight, December has the shortest days of the year.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 6.7h of sunshine.
Average temperature
Santa Ana, CA
The warmest month (with the highest average high temperature) is August (83.1°F).
The month with the lowest average high temperature is December (63.7°F).
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (50.2°F).
Average pressure
Santa Ana, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.89"Hg - Average pressure in October:
29.94"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Santa Ana, CA
- Average wind speed in January:
5.1mph - Average wind speed in February:
5.2mph - Average wind speed in March:
5.3mph - Average wind speed in April:
5.9mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.3mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.6mph).
Average humidity
Santa Ana, CA
The month with the highest relative humidity is June (66%).
The month with the lowest relative humidity is November (52%).
Average rainfall
Santa Ana, CA
- Average rainfall in January:
1.14" - Average rainfall in February:
1.26" - Average rainfall in March:
0.83" - Average rainfall in April:
0.51" - Average rainfall in May:
0.24" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.35" - Average rainfall in August:
0.24" - Average rainfall in September:
0.24" - Average rainfall in October:
0.31" - Average rainfall in November:
0.67" - Average rainfall in December:
1.54"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days
Santa Ana, CA
- Average rainfall days in January:
5 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
7.1 days - Average rainfall days in April:
5.9 days - Average rainfall days in May:
4.8 days - Average rainfall days in June:
1.7 days
- Average rainfall days in July:
4.3 days - Average rainfall days in August:
2.4 days - Average rainfall days in September:
3.7 days - Average rainfall days in October:
3.9 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
6.3 days
The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.7 days).
Average daylight / Average sunshine
Santa Ana, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
6h and 5min - Average sunshine in February:
6h and 5min - Average sunshine in March:
8h and 5min - Average sunshine in April:
11h and 1min - Average sunshine in May:
11h and 2min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 4min - Average sunshine in October:
8h and 3min - Average sunshine in November:
7h and 1min - Average sunshine in December:
6h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days
Santa Ana, CA
- Average sunshine days in January:
25 days - Average sunshine days in February:
20.8 days - Average sunshine days in March:
22.8 days - Average sunshine days in April:
21.6 days - Average sunshine days in May:
22.1 days - Average sunshine days in June:
22.9 days
- Average sunshine days in July:
23 days - Average sunshine days in August:
24.7 days - Average sunshine days in September:
22.8 days - Average sunshine days in October:
24.4 days - Average sunshine days in November:
24.3 days - Average sunshine days in December:
23.6 days
The month with the most sunshine days is January (25 days).
The month with the least sunshine days is February (20.8 days).
Average UV index
Santa Ana, CA
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover
Santa Ana, CA
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility
Santa Ana, 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 Ana, California, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location