AI-generatedCaldera at a glance
- Best time
- Jan – Mar
- Warmest month
- Feb · 23°
- Warmest sea
- Feb · 19.4°
- Sunshine a year
- 3,610 h
- Rain a year
- 19 mm
- Climate
- Dry subtropical
- Time zone
- UTC−3 / UTC−4
- Elevation
- 23 m
Climate in Caldera
Caldera has a dry subtropical climate: mild to warm all year, with very little rain. February is the warmest month with average highs of 23 °C, while July is the coolest at 18 °C. With around 3,610 hours of sunshine a year, Caldera is very sunny; December is the sunniest month with 12.1 hours a day.
Holiday weather through the year
Best time to visit Caldera
The best time to visit Caldera is from January to March. The sea stays too cool for a classic beach holiday: even in February it only reaches 19.4 °C. For sightseeing, day trips and hiking, the weather is pleasant all year round. Rain is a rarity all year: only 19 mm fall in an average year.
Caldera through the seasons
How the weather changes over the seasons, with averages for each.
Caldera in spring
Sep – Nov
Fair
- 18–20 °C by day
- Sea 15 °C
- 10.7 h of sun a day
- 0 rainy days in all
Caldera in summer
Dec – Feb
Good
- 21–23 °C by day
- Sea 19 °C
- 11.7 h of sun a day
- 0 rainy days in all
Caldera in autumn
Mar – May
Fair
- 19–23 °C by day
- Sea 17 °C
- 9.1 h of sun a day
- 1 rainy day in all
Caldera in winter
Jun – Aug
Poor
- 18 °C by day
- Sea 15 °C
- 8.1 h of sun a day
- 2 rainy days in all
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
All year
15–28 °C and not too much rain
Find your perfect month
Tell us what you like and we rate every month in Caldera for you.
Your best months: January – March
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Fair
Best time to visit: January – March
Where to go in OctoberSea temperature in October
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 12°
- Midday, 13:00: about 18°
- Afternoon, 16:00: about 19°
- Evening, 20:00: about 16°
- Night, 23:00: about 14°
07:0819:50
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:54–07:39 · evening 19:19–20:04
- Blue hour
- Morning 06:44–06:54 · evening 20:04–20:13
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.
October in Caldera compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs stay at about 19° from start to end. The sea warms from 15° to 16°. The days get 0.8 h longer.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 19° | 19° |
| Night-time low | 11° | 12° |
| Sea | 15° | 16° |
| Daylight | 12.3 h | 13.1 h |
What is the weather like in Caldera in October?
In October, Caldera is mild: daytime highs average 19 °C, and nights cool down to about 11 °C. The sea averages 14.9 °C – swimming is only for the hardy. With around 10.8 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, October is a so-so month for a holiday in Caldera.
More details for October
- Daylight
- 12 h 41 min07:08 – 19:50
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 34 %on averageAll months
- Hot days
- 0 days30 °C or more
- Time zone
- UTC−3offset from UTC
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %100 %
- 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
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Compare two months in Caldera
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
February has the better holiday weather in Caldera: score 74 against 40. In February, days are 4 °C warmer than in October. The sea is 4 °C warmer in February.
| Month | October | February |
|---|---|---|
| Holiday weather score | 40 | 74better |
| Daytime high | 19° | 23° |
| Night-time low | 11° | 16° |
| Sea | 14.9° | 19.4° |
| Sunshine | 10.8 h | 11.1 h |
| Rainy days | 0 | 0 |
| Rainfall | 1 mm | 0 mm |
Based on the climate averages 1996–2025.
Caldera month by month
The typical weather for every month at a glance.
70January23° · Sea 19° · 12.0 h
In January, Caldera is warm: daytime highs average 23 °C, and nights cool down to about 15 °C. The sea averages 18.9 °C – bracing, so a wetsuit helps for longer swims. With around 12.0 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, January is a good month for a holiday in Caldera.
Caldera in January74February23° · Sea 19° · 11.1 h
In February, Caldera is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sea averages 19.4 °C – bracing, so a wetsuit helps for longer swims. With around 11.1 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, February is a good month for a holiday in Caldera.
Caldera in February66March23° · Sea 19° · 10.1 h
In March, Caldera is warm: daytime highs average 23 °C, and nights cool down to about 15 °C. The sea averages 18.5 °C – bracing, so a wetsuit helps for longer swims. With around 10.1 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, March is a good month for a holiday in Caldera.
Caldera in March53April21° · Sea 17° · 9.1 h
In April, Caldera is warm: daytime highs average 21 °C, and nights cool down to about 14 °C. The sea averages 17.4 °C – bracing, so a wetsuit helps for longer swims. With around 9.1 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, April is a so-so month for a holiday in Caldera.
Caldera in April39May19° · Sea 16° · 8.1 h
In May, Caldera is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. The sea averages 16.1 °C – swimming is only for the hardy. The sun shines for around 8.1 hours a day. It hardly ever rains. All in all, May is not an ideal month for a holiday in Caldera.
Caldera in May36June18° · Sea 15° · 7.7 h
In June, Caldera is mild: daytime highs average 18 °C, and nights cool down to about 11 °C. The sea averages 15.2 °C – swimming is only for the hardy. The sun shines for around 7.7 hours a day. It hardly ever rains. All in all, June is not an ideal month for a holiday in Caldera.
Caldera in June36July18° · Sea 15° · 7.9 h
In July, Caldera is mild: daytime highs average 18 °C, and nights cool down to about 10 °C. The sea averages 14.5 °C – swimming is only for the hardy. The sun shines for around 7.9 hours a day. It hardly ever rains. All in all, July is not an ideal month for a holiday in Caldera.
Caldera in July39August18° · Sea 14° · 8.6 h
In August, Caldera is mild: daytime highs average 18 °C, and nights cool down to about 10 °C. The sea averages 14.2 °C – swimming is only for the hardy. The sun shines for around 8.6 hours a day. It hardly ever rains. All in all, August is not an ideal month for a holiday in Caldera.
Caldera in August40September18° · Sea 14° · 9.7 h
In September, Caldera is mild: daytime highs average 18 °C, and nights cool down to about 10 °C. The sea averages 14.3 °C – swimming is only for the hardy. With around 9.7 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, September is a so-so month for a holiday in Caldera.
Caldera in September40October19° · Sea 15° · 10.8 h
In October, Caldera is mild: daytime highs average 19 °C, and nights cool down to about 11 °C. The sea averages 14.9 °C – swimming is only for the hardy. With around 10.8 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, October is a so-so month for a holiday in Caldera.
Caldera in October46November20° · Sea 16° · 11.5 h
In November, Caldera is mild: daytime highs average 20 °C, and nights cool down to about 12 °C. The sea averages 16.1 °C – swimming is only for the hardy. With around 11.5 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, November is a so-so month for a holiday in Caldera.
Caldera in November55December21° · Sea 17° · 12.1 h
In December, Caldera is warm: daytime highs average 21 °C, and nights cool down to about 14 °C. The sea averages 17.3 °C – bracing, so a wetsuit helps for longer swims. With around 12.1 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, December is a so-so month for a holiday in Caldera.
Caldera in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Caldera
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cool 8–15°
- Pleasant 15–20°
CoolOctober: nights around 11°. A duvet at night and a jumper for the evening.
The coolest nights are in July (10°), the warmest in February (16°). Nights are pleasant for sleeping (15 to 20 °C) from January to March.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 70 | 23° | 15° | 18.9° | 12.0 h | 0 | 0 |
| FebruaryFeb | 74 | 23° | 16° | 19.4° | 11.1 h | 0 | 0 |
| MarchMar | 66 | 23° | 15° | 18.5° | 10.1 h | 0 | 1 |
| AprilApr | 53 | 21° | 14° | 17.4° | 9.1 h | 0 | 1 |
| MayMay | 39 | 19° | 12° | 16.1° | 8.1 h | 1 | 3 |
| JuneJun | 36 | 18° | 11° | 15.2° | 7.7 h | 1 | 3 |
| JulyJul | 36 | 18° | 10° | 14.5° | 7.9 h | 1 | 4 |
| AugustAug | 39 | 18° | 10° | 14.2° | 8.6 h | 1 | 4 |
| SeptemberSep | 40 | 18° | 10° | 14.3° | 9.7 h | 0 | 1 |
| OctoberOct | 40 | 19° | 11° | 14.9° | 10.8 h | 0 | 1 |
| NovemberNov | 46 | 20° | 12° | 16.1° | 11.5 h | 0 | 0 |
| DecemberDec | 55 | 21° | 14° | 17.3° | 12.1 h | 0 | 0 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), 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
27.07° S, 70.82° W · 23 m · America/Santiago
Sea temperature
Sea temperature in Caldera
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 14.4 – 15.7 °C
Swimming season: Always below 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Caldera ranges from 14.2 °C in August to 19.4 °C in February. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
The sea temperature varies from year to year: in February, eight out of ten years were between 18.4 and 20.7 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 18.9° | 17.6° | 19.8° | fresh |
| FebruaryFeb | 19.4° | 18.4° | 20.7° | fresh |
| MarchMar | 18.5° | 17.6° | 19.4° | fresh |
| AprilApr | 17.4° | 16.4° | 18.5° | fresh |
| MayMay | 16.1° | 15.2° | 17.0° | cold |
| JuneJun | 15.2° | 14.2° | 16.1° | cold |
| JulyJul | 14.5° | 13.9° | 15.1° | cold |
| AugustAug | 14.2° | 13.6° | 14.7° | cold |
| SeptemberSep | 14.3° | 13.5° | 15.5° | cold |
| OctoberOct | 14.9° | 14.4° | 15.7° | cold |
| NovemberNov | 16.1° | 15.3° | 17.0° | cold |
| DecemberDec | 17.3° | 16.4° | 18.5° | fresh |
Sunshine
Sunshine hours in Caldera
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 10.8 of 12.7 hours of daylight in Caldera, 85 % of the daylight hours.
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.
Rain
Rain in Caldera: 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.
In October, it hardly ever rains in Caldera: 1 mm in the whole month.
UV index
UV index in Caldera
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 10 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.
The sun is strongest in December (UV 12).
Minutes until sunburn in October
- Very fair skin
- about 15 min
- Fair skin
- about 15 min
- Light brown skin
- about 25 min
- Olive skin
- about 30 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, 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.
Wind & clouds
Wind and clouds in Caldera
How breezy and how cloudy Caldera 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.
In October, the wind in Caldera typically peaks at 20 km/h during the day: Beaufort 4, moderate 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: Oct – Feb.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 34 % of the sky over Caldera: mostly sunny, with about 10.8 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.
Planning a trip to Caldera
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Caldera 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.
Caldera has its best school-holiday weather during the Christmas holidays (score 63) and its weakest during May half-term (score 38).
- 57
Easter holidays
Mar – Apr
Fair
- 21 °C by day
- Sea 18 °C
- 9.4 h of sun a day
- 0 rainy days a month
Good for: Sightseeing & walks
- 38
May half-term
May – Jun
Poor
- 19 °C by day
- Sea 16 °C
- 8.0 h of sun a day
- 1 rainy day a month
Good for: Sightseeing & walks
- 38
Summer holidays
Jul – Aug
Poor
- 18 °C by day
- Sea 14 °C
- 8.4 h of sun a day
- 1 rainy day a month
Good for: Sightseeing & walks
- 40
October half-term
Oct
Fair
- 19 °C by day
- Sea 15 °C
- 10.8 h of sun a day
- 0 rainy days a month
Good for: Sightseeing & walks
- 63
Christmas holidays
Dec – Jan
GoodBest holidays
- 22 °C by day
- Sea 18 °C
- 12.1 h of sun a day
- 0 rainy days a month
Good for: Sightseeing & walks
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 13 h 50 min
- Distance
- 11,090 km
- Time zone
- UTC−3
- Jet lag
- About 3 days (4 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.
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Good to know: Chile
- Currency
- Chilean Peso (CLP)
- Language
- Spanish
- Sockets
- Type C, L · 220 V
- Traffic
- Drives on the right
- Dialling code
- +56
UK plugs need a travel adapter
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Caldera compared
Put Caldera side by side with another destination.
Caldera vs La Serena
In October Caldera has the better holiday weather (score 40 vs 33). During the day La Serena is 1 °C cooler than Caldera. The sea in La Serena is 1 °C cooler. La Serena gets 4 fewer hours of sunshine a day.
| in October | Caldera | La Serena |
|---|---|---|
| Holiday weather score | 40 | 33 |
| Daytime high | 19° | 18° |
| Sea | 15° | 14° |
| Sunshine | 11 h | 7 h |
| Rainy days | 0 | 1 |
| Best time | Jan – Mar | Aug – May |
Through the year
Best places in the country
Chile in October: the best places
In October, Caldera ranks 20 of 25 destinations in this country.
- San Pedro de Atacama25°100
- 2Calama25°100
- 3Antofagasta18°16°98
- 4Iquique25°18°97
- 5Viña del Mar19°13°95
- 6Valparaíso19°13°95
- 7La Serena18°14°92
- 8Coquimbo18°14°92
- 20CalderaThis page19°15°40
Places nearby
Near Caldera
Other destinations close by.
Places with a similar climate
Places with a climate like Caldera
Destinations whose weather through the year is closest to Caldera's – good alternatives.
Frequently asked questions about Caldera
When is the best time to visit Caldera?
The best time to visit Caldera is from January to March. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Caldera?
The sea temperature in Caldera ranges from 14.2 °C in August to 19.4 °C in February. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Caldera in October?
Only if you don't mind cold water: in October the sea averages just 14.9 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Caldera?
February is the warmest month, with average highs of 23 °C and nights around 16 °C. July is the coolest month at 18 °C.
When does it rain most in Caldera?
Rain is a rarity all year: only 19 mm fall in an average year.
How many hours of sunshine does Caldera get?
Caldera gets around 3,610 hours of sunshine a year. The sunniest month is December with 12.1 hours a day; in June there are 7.7 hours a day.
What time zone is Caldera in?
Caldera is on UTC−3 in January and UTC−4 in July.
How long is the flight from London to Caldera?
A nonstop flight from London to Caldera takes about 13 h 50 min, for a straight-line distance of about 11,090 km. Most routes need a change of planes, which adds time.
Which school holidays are best for Caldera?
Caldera has its best school-holiday weather during the Christmas holidays (score 63) and its weakest during May half-term (score 38). Holiday ratings (0–100): Easter holidays 57, May half-term 38, summer holidays 38, October half-term 40, Christmas holidays 63.