Weather by month for Santiago, the best months to go and how Chile's regions differ, scored from 10 years of climate data.
Jan, Feb, Mar, Dec
The highest month scores: comfortable temperatures, little rain and plenty of sun.
Highs 28°C to 30°C · 0–1 rain days
Apr, May, Sep, Oct, Nov
Still good weather, just not quite the top months.
Highs 19°C to 26°C · 2–6 rain days
Jun, Jul, Aug
No months with tough weather, but these are only average.
Highs 15°C to 16°C · 5–6 rain days
Weather by month
Average highs and lows, rain days, sunshine and our month score out of 10.
| Month | High / low | Rain days | Sunshine | Score |
|---|---|---|---|---|
| Best month: January | 30°C / 16°C | 0 days (9 mm) | 13.5 h/day | 8.1/10 |
| Best month: February | 29°C / 16°C | 1 day (5 mm) | 12.7 h/day | 8.3/10 |
| Best month: March | 28°C / 15°C | 1 day (3 mm) | 11.6 h/day | 8.0/10 |
| April | 23°C / 12°C | 2 days (33 mm) | 9.7 h/day | 7.3/10 |
| May | 19°C / 9°C | 5 days (36 mm) | 8.0 h/day | 6.4/10 |
| June | 16°C / 7°C | 6 days (79 mm) | 6.8 h/day | 5.2/10 |
| July | 15°C / 6°C | 5 days (56 mm) | 7.6 h/day | 5.1/10 |
| August | 16°C / 7°C | 6 days (66 mm) | 8.4 h/day | 5.6/10 |
| September | 19°C / 9°C | 6 days (40 mm) | 9.2 h/day | 6.4/10 |
| October | 22°C / 10°C | 5 days (37 mm) | 11.0 h/day | 6.9/10 |
| November | 26°C / 12°C | 2 days (12 mm) | 12.3 h/day | 7.6/10 |
| Best month: December | 28°C / 14°C | 1 day (7 mm) | 13.5 h/day | 7.9/10 |
Figures for Santiago; the country's best months are weighted across its cities. Best months are highlighted. How we score months
Month by month
30°C / 16°C · 0 rain days · 13.5 h sun
Santiago sees highs of 29.5°C with almost no rain, just 0.4 rain days and 9mm for the month. Sun hours peak at 13.5. This is one of the best months to visit, scoring 8.1, and it opens with the New Year's Day holiday on January 1.
29°C / 16°C · 1 rain days · 12.7 h sun
February is similar to January: a high of 29.4°C, only 1.2 rain days and 5mm of rain. Sun hours sit at 12.7. It scores highest of the year at 8.3, making it a top pick for dry, hot conditions.
28°C / 15°C · 1 rain days · 11.6 h sun
Highs ease slightly to 27.8°C with just 0.8 rain days and 3mm of rain, the driest month on record here. Sun hours drop a bit to 11.6. March still scores 8, keeping it in the best category.
23°C / 12°C · 2 rain days · 9.7 h sun
Temperatures fall to a 23.3°C high as autumn sets in, and rain starts to return: 2.2 rain days bringing 33mm. Sun hours drop to 9.7. The score falls to 7.3, a good rather than best month, and Good Friday and Holy Saturday fall on April 3 and 4.
19°C / 9°C · 5 rain days · 8.0 h sun
Highs drop to 18.8°C and rain increases to 4.5 days and 36mm, with sun hours down to 8. The month scores 6.4, still good. Labour Day on May 1 and Navy Day on May 21 fall this month.
16°C / 7°C · 6 rain days · 6.8 h sun
June brings Santiago's wettest stretch so far: a 15.5°C high, 5.9 rain days and 79mm of rain, the highest monthly total of the year. Sun hours fall to 6.8, the lowest alongside July. The score drops to 5.2, an ok month due to cold, wet, dark conditions. National Day of Indigenous Peoples falls on June 21 and Saint Peter and Saint Paul on June 29.
15°C / 6°C · 5 rain days · 7.6 h sun
This is the coldest month, with a high of just 14.9°C and a low of 6.2°C. Rain stays heavy at 4.9 days and 56mm, and sun hours are lowest at 7.6. It scores 5.1, the lowest of the year, reflecting winter cold and reduced daylight. Our Lady of Mount Carmel is marked on July 16.
16°C / 7°C · 6 rain days · 8.4 h sun
August is the wettest month by rain days, 6.3, with 66mm of rain and a high of 16.4°C. Sun hours recover slightly to 8.4. The score ticks up to 5.6, still an ok month as winter weather lingers. Assumption of Mary falls on August 15.
19°C / 9°C · 6 rain days · 9.2 h sun
Spring begins: highs reach 18.6°C though rain days stay high at 6.1 with 40mm. Sun hours rise to 9.2. The score improves to 6.4, a good month, and two national holidays fall here, September 18 and 19.
22°C / 10°C · 5 rain days · 11.0 h sun
Highs climb to 21.5°C while rain eases to 5.2 days and 37mm. Sun hours rise to 11. The score reaches 6.9, a good month as spring warms up. Columbus Day falls on October 12 and Reformation Day on October 31.
26°C / 12°C · 2 rain days · 12.3 h sun
November brings a 25.6°C high and much drier conditions, just 2.3 rain days and 12mm of rain. Sun hours climb to 12.3. The score rises to 7.6, putting it back in the best category, with All Saints Day on November 1.
28°C / 14°C · 1 rain days · 13.5 h sun
Summer arrives with a 28.4°C high, almost no rain at 0.6 days and 7mm, and 13.5 sun hours. December scores 7.9, a best month to visit. Immaculate Conception on December 8 and Christmas Day on December 25 both fall this month.
Regional differences
Average daytime high each month, coloured by that city's own month score.
| City | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Santiago | 30°C | 29°C | 28°C | 23°C | 19°C | 16°C | 15°C | 16°C | 19°C | 22°C | 26°C | 28°C |
| Valparaíso | 20°C | 21°C | 20°C | 18°C | 17°C | 15°C | 14°C | 15°C | 15°C | 16°C | 18°C | 19°C |
| La Serena | 23°C | 24°C | 22°C | 20°C | 18°C | 17°C | 16°C | 17°C | 18°C | 19°C | 21°C | 22°C |
| Iquique | 25°C | 26°C | 25°C | 23°C | 21°C | 19°C | 19°C | 19°C | 19°C | 20°C | 22°C | 23°C |
| Puerto Montt | 18°C | 18°C | 17°C | 14°C | 12°C | 10°C | 10°C | 10°C | 12°C | 13°C | 15°C | 17°C |
Best Good OK Tough weather
By trip type
City sightseeing
December to March suits city trips in Santiago best. Highs run from 27.8°C to 29.5°C with under 1 rain day a month and up to 13.5 hours of sun, so sightseeing stays dry and bright.
Beach
January and February are the top beach months. Santiago-area temperatures peak at 29.4–29.5°C with rain days near 1 or below, giving warm, dry conditions typical of the coast too.
Hiking & nature
December through March works best for hiking. Highs of 27.8°C to 29.5°C, low rain (0.4 to 0.8 days a month in most of this stretch) and long sunshine hours of 11.6 to 13.5 keep trails dry and visibility good.
Events calendar
Public holidays: New Year's Day (1 Jan)
Public holidays: Good Friday (3 Apr), Holy Saturday (4 Apr)
Public holidays: Labour Day (1 May), Navy Day (21 May)
Public holidays: National Day of Indigenous Peoples (21 Jun), Saint Peter and Saint Paul (29 Jun)
Public holidays: Our Lady of Mount Carmel (16 Jul)
Public holidays: Assumption of Mary (15 Aug)
Public holidays: National holiday (18 Sep), Army Day (19 Sep)
Public holidays: Columbus Day (12 Oct), Reformation Day (31 Oct)
Public holidays: All Saints Day (1 Nov)
Public holidays: Immaculate Conception (8 Dec), Christmas Day (25 Dec)
Keep planning
FAQ
Yes, January is one of the best months, with a score of 8.1 out of 10. In Santiago, expect a high of 29.5°C and a low of 15.8°C, with almost no rain: just 0.4 rain days and 9 mm for the month. Sun hours are strong at 13.5 a day, making it a reliable choice for summer travel.
July is the weakest month, scoring 5.1 and rated 'ok'. Santiago sees its coldest temperatures, with a high of just 14.9°C and a low of 6.2°C. It's also wetter, with 4.9 rain days and 56 mm of rain, and sunshine drops to 7.6 hours a day. It still works if you want winter conditions rather than summer heat.
February scores highest at 8.3, making it the top-rated month. Santiago stays warm, with a high of 29.4°C and a low of 16.1°C, while rainfall stays low at 5 mm over 1.2 rain days. Sun hours of 12.7 a day round out the conditions. January, March, and December also rank as 'best', so the whole summer stretch works well.
August is rated 'ok', with a score of 5.6. Santiago's high reaches 16.4°C and the low drops to 7.1°C, with 6.3 rain days and 66 mm of rain, the wettest month in the data. Sun hours are still limited at 8.4 a day, so plan for cooler, cloudier conditions if you travel then.
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