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 13.5 hours of sun daily. This is peak summer and scores 8.1, rated one of the best months to visit. New Year's Day falls on 1 January, and the dry heat suits hiking and city sightseeing alike.
29°C / 16°C · 1 rain days · 12.7 h sun
February is the top-scoring month at 8.3, with highs of 29.4°C and barely any rain (1.2 rain days, 5mm). Sun hours sit at 12.7, so expect dry, warm days throughout. It's a reliable choice for the Atacama Desert or Lake District in full summer swing.
28°C / 15°C · 1 rain days · 11.6 h sun
March still scores 8 ('best') with highs easing to 27.8°C and rainfall staying low at just 3mm over 0.8 days. Sun hours drop slightly to 11.6 as the season turns. It's a good late-summer option before autumn weather sets in.
23°C / 12°C · 2 rain days · 9.7 h sun
Highs fall to 23.3°C and rain picks up to 2.2 days with 33mm, marking the shift into autumn. The score dips to 7.3, still 'good'. Good Friday and Holy Saturday fall on 3 and 4 April, and sun hours drop to 9.7 as days shorten.
19°C / 9°C · 5 rain days · 8.0 h sun
May brings cooler highs of 18.8°C and noticeably more rain: 4.5 days and 36mm, with sun hours down to 8. The score falls to 6.4, a 'good' but transitional month. Labour Day (1 May) and Navy Day (21 May) are the public holidays to note.
16°C / 7°C · 6 rain days · 6.8 h sun
June is tougher weather-wise: highs of just 15.5°C, 5.9 rain days, and the year's highest rainfall at 79mm. Sun hours drop to 6.8, the lowest alongside July, and the score falls to 5.2, an 'ok' rating. National Day of Indigenous Peoples (21 June) and Saint Peter and Saint Paul (29 June) fall this month.
15°C / 6°C · 5 rain days · 7.6 h sun
July is the coldest month, with highs of only 14.9°C and lows of 6.2°C. Rain stays heavy at 56mm over 4.9 days, and sun hours are at their lowest, 7.6. The score of 5.1 is the year's lowest, reflecting winter conditions; Our Lady of Mount Carmel is marked on 16 July.
16°C / 7°C · 6 rain days · 8.4 h sun
August remains cold and wet, with highs of 16.4°C and the most rain days of the year at 6.3, totalling 66mm. Sun hours recover slightly to 8.4, and the score rises to 5.6, still 'ok'. Assumption of Mary falls on 15 August.
19°C / 9°C · 6 rain days · 9.2 h sun
Spring begins to show: highs reach 18.6°C though rain days stay high at 6.1 with 40mm. The score improves to 6.4, a 'good' rating, as sun hours climb to 9.2. September also carries two national holidays, on 18 and 19 September.
22°C / 10°C · 5 rain days · 11.0 h sun
October brings milder highs of 21.5°C and fewer rain days, 5.2, with 37mm total. Sun hours rise to 11, and the score reaches 6.9, 'good'. Columbus Day falls on 12 October, a useful marker as spring weather firms up.
26°C / 12°C · 2 rain days · 12.3 h sun
November scores 7.6, back into 'best' territory, with highs of 25.6°C and rain dropping sharply to 2.3 days and 12mm. Sun hours climb to 12.3 as summer approaches. All Saints Day falls on 1 November.
28°C / 14°C · 1 rain days · 13.5 h sun
December closes the year strong with a score of 7.9, highs of 28.4°C, and minimal rain at 0.6 days and 7mm. Sun hours hit 13.5, matching January's peak. Immaculate Conception (8 December) and Christmas Day (25 December) both fall in this warm, dry 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 suit city trips best. Santiago sees highs of 28 to 30°C and under 1 rain day a month in December, January and March, with 12 to 13.5 hours of sun daily, so sightseeing stays dry and bright.
Beach
January and February are the top beach months. Santiago highs hit 29.4 to 29.5°C with almost no rain, 0.4 to 1.2 rain days a month, and over 12 hours of sun, which points to warm, dry summer conditions along the coast.
Hiking & nature
December through March works best for hiking. Rain stays low, 0.6 to 0.8 rain days a month in December and March, and sun hours run from 11.6 to 13.5, giving long, clear days on the trail.
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, February is the top-rated month, with a score of 8.3 out of 10. In Santiago, days are warm with a high of 29.4°C, rain is rare at just 1.2 days and 5mm for the month, and there are 12.7 hours of sun a day. This combination of heat, dryness and long daylight makes it one of four months rated "best".
August scores 5.6 out of 10, rated "ok" rather than "best" or "good". Santiago sees its highest rainfall of the year this month at 66mm over 6.3 rain days, with a cool high of 16.4°C and low of 7.1°C, and sun drops to 8.4 hours a day. It's a workable month, but wetter and cooler than the January–March peak.
June is the lowest-scoring month at 5.2 out of 10, rated "ok". Santiago's high only reaches 15.5°C and the low drops to 6.9°C, with 5.9 rain days and just 6.8 hours of sun daily, the least sunshine of any month. It's the coldest, cloudiest stretch of the year in central Chile.
The best-rated months are February, January, March and December, all scoring 8 or higher out of 10. These months bring Santiago's warmest highs, between 27.8°C and 29.5°C, very little rain (0.4 to 0.8 rain days), and the most sunshine, up to 13.5 hours a day in January and December.
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