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Santa Monica

Sun, sea & sand

Santa Monica at a glance

Best time
Jun – Oct
Warmest month
Aug · 29°
Warmest sea
Aug · 20.3°
Sunshine a year
3,250 h
Rain a year
277 mm
Climate
Mediterranean
Time zone
UTC−8 / UTC−7
Elevation
32 m

Climate in Santa Monica

Santa Monica has a Mediterranean climate with warm to hot, dry summers and mild, wetter winters. August is the warmest month with average highs of 29 °C, while December is the coolest at 18 °C. With around 3,250 hours of sunshine a year, Santa Monica is very sunny; July is the sunniest month with 11.6 hours a day.

Holiday weather through the year

Your holiday weather, at a glance

Weather in October

80

Holiday weather in October

Excellent

Best time to visit: June – October

Good forSightseeing & walks

A typical day in October

  1. Morning, 08:00: about 17°
  2. Midday, 13:00: about 25°
  3. Afternoon, 16:00: about 25°
  4. Evening, 20:00: about 20°
  5. Night, 23:00: about 18°

06:5818:21

Pleasant evenings; a light layer can help.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 06:42–07:32 · evening 17:48–18:37
Blue hour
Morning 06:33–06:42 · evening 18:37–18:46

Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.

What is the weather like in Santa Monica in October?

In October, Santa Monica is warm: daytime highs average 25 °C, and nights cool down to about 14 °C. The sea averages 19.0 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. It hardly ever rains. All in all, October is an excellent month for a holiday in Santa Monica.

More details for October

Daylight
11 h 23 min06:58 – 18:21
UV index
5 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
16 km/haverage daily peakAll months
Cloud cover
31 %on averageAll months
Hot days
4 days30 °C or moreAll months
Time zone
UTC−7America/Los_Angeles

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %29 %
  • Sunshineweight 20 %88 %
  • Few rainy daysweight 20 %100 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • Wetsuit for longer swims
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • A jumper for the evenings
Swimming calendar

Sea temperature in Santa Monica

Monthly sea surface temperature with the range of cooler and warmer years.

Sea in October19.0°Cfresh

8 in 10 years: 17.7 – 20.4 °C

Swimming season: Aug – Sep

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 19.0°8 in 10 years 17.7° – 20.4°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Santa Monica ranges from 14.7 °C in February to 20.3 °C in August. It is warm enough for a comfortable swim (20 °C and more) from August to September.

The sea temperature varies from year to year: in August, eight out of ten years were between 19.1 and 21.3 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan15.0°14.2°15.8°cold
FebruaryFeb14.7°13.8°15.5°cold
MarchMar14.7°13.6°15.9°cold
AprilApr15.0°14.3°16.1°cold
MayMay16.6°15.4°17.7°cold
JuneJun18.3°17.5°19.2°fresh
JulyJul19.8°18.8°20.9°fresh
AugustAug20.3°19.1°21.3°refreshing
SeptemberSep20.1°18.6°21.8°refreshing
OctoberOct19.0°17.7°20.4°fresh
NovemberNov17.4°16.3°19.0°fresh
DecemberDec15.7°14.6°17.2°cold
Sunshine

Sunshine hours in Santa Monica

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
3,250 hours
Sunniest month
Jul · 11.6 h a day
Least sunshine
Dec · 6.3 h a day
OctoberSunshine 8.3 hDaylight 11.4 hShare of daylight 73 %
SunshineDaylight

In October, the sun shines for about 8.3 of 11.4 hours of daylight in Santa Monica, 73 % of the day.

Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.

Sun protection

UV index in Santa Monica

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
5 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.

The sun is strongest in June (UV 11).

Minutes until sunburn in October

Very fair skin
about 25 min
Fair skin
about 30 min
Light brown skin
about 45 min
Olive skin
about 55 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Rain

Rain in Santa Monica: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
277 mm on 29 days
Wettest month
Feb · 68 mm
Driest month
Jun · 1 mm
OctoberRainy days 2Rainfall 13 mm

In October, Santa Monica has about 2 rainy days with 13 mm of rain in total.

Wind & clouds

Wind and clouds in Santa Monica

How breezy and how cloudy Santa Monica is through the year. Tap a month to select it on the whole page.

Wind

Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.

Year average
17 km/h · light breeze
Windiest month
Apr · 20 km/h
Calmest month
Jan · 15 km/h
OctoberWind 16 km/hBeaufort 3
20
WindBeaufort 4

In October, the wind in Santa Monica typically peaks at 16 km/h during the day: Beaufort 3, light breeze.

Breezy months for windsurfing and kiting

From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Apr.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
37 % · mostly sunny
Clearest month
Aug · 25 %
Cloudiest month
Mar · 45 %
OctoberCloud cover 31 %Sunshine 8.3 h

In October, cloud covers on average 31 % of the sky over Santa Monica: mostly sunny, with about 8.3 hours of sunshine a day.

Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.

Heat & humidity

Heat and humidity in Santa Monica

How often the day gets hot in Santa Monica (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
33 days
Hottest month
Aug · 29 °C
Hot months
none

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 4Day high 25 °C

In October, Santa Monica has about 4 hot days, with an average daytime high of 25 °C: pleasant. Heat plays no part this month.

Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Santa Monica

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Cold 0–8°
  • Cool 8–15°
  • Pleasant 15–20°

CoolOctober: nights around 14°. A duvet at night and a jumper for the evening.

The coolest nights are in January (7°), the warmest in August (18°). Nights are pleasant for sleeping (15 to 20 °C) from June to September. Nights fall below 8 °C on average from December to January, so the room should be heated.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 25°Night 14°Sea 19°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan3119°7°15.0°6.6 h554
FebruaryFeb3018°8°14.7°6.8 h668
MarchMar4020°9°14.7°8.2 h539
AprilApr5321°11°15.0°9.5 h216
MayMay6223°13°16.6°10.2 h17
JuneJun7925°15°18.3°11.1 h01
JulyJul8528°17°19.8°11.6 h02
AugustAug8729°18°20.3°11.2 h02
SeptemberSep8628°17°20.1°9.6 h15
OctoberOct8025°14°19.0°8.3 h213
NovemberNov5122°10°17.4°7.1 h322
DecemberDec3018°7°15.7°6.3 h550

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences

34.02° N, 118.49° W · 32 m · America/Los_Angeles

Best time to visit

Best time to visit Santa Monica

The best time to visit Santa Monica is from June to October. The sea stays too cool for a classic beach holiday: even in August it only reaches 20.3 °C. For sightseeing, day trips and hiking, conditions are most comfortable from September to July. The wettest month is February with 68 mm of precipitation.

Santa Monica through the seasons

How the weather changes over the seasons, with averages for each.

Santa Monica in spring

Mar – May

52

Fair

  • 20–23 °C by day
  • Sea 15 °C
  • 9 h of sun a day
  • 8 rainy days in all

Santa Monica in summer

Jun – Aug

84

Excellent

  • 25–29 °C by day
  • Sea 20 °C
  • 11 h of sun a day
  • 1 rainy days in all

Santa Monica in autumn

Sep – Nov

72

Good

  • 22–28 °C by day
  • Sea 19 °C
  • 8 h of sun a day
  • 5 rainy days in all

Santa Monica in winter

Dec – Feb

30

Poor

  • 18–19 °C by day
  • Sea 15 °C
  • 7 h of sun a day
  • 15 rainy days in all

Find your perfect month

Tell us what you like and we rate every month in Santa Monica for you.

Swimming in the sea
Sunshine
Little rain

Your best months: July – September

Based on the climate averages; tap a month to see its details.

Compare two months in Santa Monica

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs.

August has the better holiday weather in Santa Monica: score 87 against 80. In August, days are 4 °C warmer than in October. The sea is 1 °C warmer in August. August has 2 fewer rainy days. The sun shines 3 hours longer a day in August.

October vs. August, Santa Monica
MonthOctoberAugust
Weather score8087better
Day high25°29°
Night low14°18°
Sea19.0°20.3°
Sunshine8.3 h11.2 hbetter
Rainy days20better
Rainfall13 mm2 mmbetter
Muggy days0better1

Based on the climate averages 1996–2025.

Which month for what?

Beach & swimming

No month

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

Sep – Jul

15–28 °C and not too much rain

Santa Monica month by month

The typical weather for every month at a glance.

31January19° · Sea 15° · 7 h

In January, Santa Monica is mild: daytime highs average 19 °C, and nights cool down to about 7 °C. The sea averages 15.0 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is rare: about 5 days bring 54 mm in total. All in all, January is not an ideal month for a holiday in Santa Monica.

Santa Monica in January
30February18° · Sea 15° · 7 h

In February, Santa Monica is mild: daytime highs average 18 °C, and nights cool down to about 8 °C. The sea averages 14.7 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain falls on about 6 days, adding up to 68 mm. All in all, February is not an ideal month for a holiday in Santa Monica.

Santa Monica in February
40March20° · Sea 15° · 8 h

In March, Santa Monica is mild: daytime highs average 20 °C, and nights cool down to about 9 °C. The sea averages 14.7 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain is rare: about 5 days bring 39 mm in total. All in all, March is a so-so month for a holiday in Santa Monica.

Santa Monica in March
53April21° · Sea 15° · 10 h

In April, Santa Monica is warm: daytime highs average 21 °C, and nights cool down to about 11 °C. The sea averages 15.0 °C – swimming is only for the hardy. With around 10 hours of sunshine a day, there is plenty of sun. Rain is rare: about 2 days bring 16 mm in total. All in all, April is a so-so month for a holiday in Santa Monica.

Santa Monica in April
62May23° · Sea 17° · 10 h

In May, Santa Monica is warm: daytime highs average 23 °C, and nights cool down to about 13 °C. The sea averages 16.6 °C – swimming is only for the hardy. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, May is a good month for a holiday in Santa Monica.

Santa Monica in May
79June25° · Sea 18° · 11 h

In June, Santa Monica is warm: daytime highs average 25 °C, and nights cool down to about 15 °C. The sea averages 18.3 °C – bracing, so a wetsuit helps for longer swims. With around 11 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, June is a good month for a holiday in Santa Monica.

Santa Monica in June
85July28° · Sea 20° · 12 h

In July, Santa Monica is hot: daytime highs average 28 °C, and nights cool down to about 17 °C. The sea averages 19.8 °C – bracing, so a wetsuit helps for longer swims. With around 12 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 5 days the thermometer climbs to 30 °C or more. All in all, July is an excellent month for a holiday in Santa Monica.

Santa Monica in July
87August29° · Sea 20° · 11 h

In August, Santa Monica is hot: daytime highs average 29 °C, and nights cool down to about 18 °C. The sea averages 20.3 °C – refreshing for a swim. With around 11 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 10 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Santa Monica.

Santa Monica in August
86September28° · Sea 20° · 10 h

In September, Santa Monica is hot: daytime highs average 28 °C, and nights cool down to about 17 °C. The sea averages 20.1 °C – refreshing for a swim. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 8 days the thermometer climbs to 30 °C or more. All in all, September is an excellent month for a holiday in Santa Monica.

Santa Monica in September
80October25° · Sea 19° · 8 h

In October, Santa Monica is warm: daytime highs average 25 °C, and nights cool down to about 14 °C. The sea averages 19.0 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. It hardly ever rains. All in all, October is an excellent month for a holiday in Santa Monica.

Santa Monica in October
51November22° · Sea 17° · 7 h

In November, Santa Monica is warm: daytime highs average 22 °C, and nights cool down to about 10 °C. The sea averages 17.4 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7 hours a day. Rain is rare: about 3 days bring 22 mm in total. All in all, November is a so-so month for a holiday in Santa Monica.

Santa Monica in November
30December18° · Sea 16° · 6 h

In December, Santa Monica is mild: daytime highs average 18 °C, and nights cool down to about 7 °C. The sea averages 15.7 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is rare: about 5 days bring 50 mm in total. All in all, December is not an ideal month for a holiday in Santa Monica.

Santa Monica in December
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Santa Monica compared

Put Santa Monica side by side with another destination.

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Santa Monica vs. Los Angeles

In October the holiday weather in Santa Monica and Los Angeles is about equally good (score 80 vs. 79). During the day Los Angeles is 1 °C warmer than Santa Monica. The sea is about equally warm.

Santa Monica vs. Los Angeles, in October
in OctoberSanta MonicaLos Angeles
Holiday score8079
Daytime high25°26°
Sea19°19°
Sunshine8 h8 h
Rainy days22
Best timeJun – OctSep – Jul

Through the year

OctoberSanta Monica 25°Los Angeles 26°
Santa MonicaLos Angeles
Go to Los Angeles
Ranking

USA in October: the best places

In October, Santa Monica ranks 21 among the 31 nearest destinations in this country.

  1. Las Vegas26°99
  2. 2Los Angeles26°19°98
  3. 3Long Beach25°19°98
  4. 4Mariposa (Yosemite)23°98
  5. 5Sedona23°97
  6. 6San Jose23°96
  7. 7Sacramento25°96
  8. 8Page (Lake Powell)21°96
  9. 21Santa MonicaThis page25°19°80
All destinations: USA

Planning a trip to Santa Monica

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Santa Monica in the school holidays

How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.

Santa Monica has its best school-holiday weather during the summer holidays (score 86) and its weakest during the Christmas holidays (score 31).

  • Easter holidays

    Mar – Apr

    49

    Fair

    • 21 °C by day
    • Sea 15 °C
    • 9.1 h of sun a day
    • 3 rainy days a month

    Good for: Sightseeing & walks

  • May half-term

    May – Jun

    65

    Good

    • 23 °C by day
    • Sea 17 °C
    • 10.4 h of sun a day
    • 1 rainy day a month

    Good for: Sightseeing & walks

  • Summer holidays

    Jul – Aug

    86

    ExcellentBest holidays

    • 28 °C by day
    • Sea 20 °C
    • 11.3 h of sun a day
    • 0 rainy days a month
  • October half-term

    Oct

    80

    Excellent

    • 25 °C by day
    • Sea 19 °C
    • 8.3 h of sun a day
    • 2 rainy days a month

    Good for: Sightseeing & walks

  • Christmas holidays

    Dec – Jan

    31

    Poor

    • 18 °C by day
    • Sea 15 °C
    • 6.5 h of sun a day
    • 5 rainy days a month

    Good for: Sightseeing & walks

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 11 h 5 min
Distance
8,760 km
Time zone
UTC−7
Jet lag
About 5 days (8 h west)

Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Frequently asked questions about Santa Monica

When is the best time to visit Santa Monica?

The best time to visit Santa Monica is from June to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

How warm is the sea in Santa Monica?

The sea temperature in Santa Monica ranges from 14.7 °C in February to 20.3 °C in August. It is warm enough for a comfortable swim (20 °C and more) from August to September.

Can you swim in Santa Monica in October?

Only if you don't mind cold water: in October the sea averages just 19.0 °C. Comfortable swimming is possible from August to September.

What is the warmest month in Santa Monica?

August is the warmest month, with average highs of 29 °C and nights around 18 °C. December is the coolest month at 18 °C.

When does it rain most in Santa Monica?

The wettest month is February with 68 mm of precipitation. The driest month is June with 1 mm.

How many hours of sunshine does Santa Monica get?

Santa Monica gets around 3,250 hours of sunshine a year. The sunniest month is July with 11.6 hours a day; in December there are 6.3 hours a day.

What time zone is Santa Monica in?

Santa Monica uses the time zone America/Los_Angeles: UTC−8 in January and UTC−7 in July.

How long is the flight from London to Santa Monica?

A nonstop flight from London to Santa Monica takes about 11 h 5 min, for a straight-line distance of about 8,760 km.

Which school holidays are best for Santa Monica?

Santa Monica has its best school-holiday weather during the summer holidays (score 86) and its weakest during the Christmas holidays (score 31). Holiday ratings (0–100): Easter holidays 49, May half-term 65, Summer holidays 86, October half-term 80, Christmas holidays 31.

Near Santa Monica

Other destinations close by.

Places with a climate like Santa Monica

Destinations whose weather through the year is closest to Santa Monica's – good alternatives.

  1. 82% similar77EssaouiraMorocco24°20°Best time: Jun – Oct
  2. 75% similar81AgadirMorocco26°20°Best time: May – Oct
  3. 74% similar69San DiegoUSA23°19°Best time: Jul – Sep
  4. 73% similar90CasablancaMorocco25°21°Best time: Feb – Nov