Santiago Weather
Santiago weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov and Dec.
Santiago current weather
Santiago now (local time 05:00)
10°C
Partly cloudy
- Feels like
- 8°
- Humidity
- 74%
- Wind
- 2 km/h
Next 7 days · what to wear
8° – 21°C
Rain likely on 6 of 7 days
👕 Long sleeves with a light jacket or sweater; it's wet, so pack a compact umbrella.
Santiago 14-day forecast
Today
10/4
🌦️
19°
9°
💧65%
Mon
10/5
🌦️
21°
11°
💧79%
Tue
10/6
🌧️
16°
12°
💧98%
Wed
10/7
🌦️
17°
11°
💧94%
Thu
10/8
🌦️
18°
8°
💧96%
Fri
10/9
🌦️
19°
10°
💧25%
Sat
10/10
🌦️
18°
11°
💧45%
Sun
10/11
🌦️
20°
11°
💧76%
Mon
10/12
🌦️
14°
11°
💧94%
Tue
10/13
🌦️
16°
9°
💧79%
Wed
10/14
🌦️
17°
10°
💧45%
Thu
10/15
☁️
21°
9°
💧37%
Fri
10/16
🌤️
22°
11°
💧43%
Sat
10/17
☁️
19°
11°
💧51%
Best time to visit Santiago
On temperature and rainfall, the most comfortable months in Santiago are Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov and Dec. The hottest month is January (average high 34°C) and the coldest is July (average low 6°C).
Santiago climate by month
| Month | Avg high | Avg low | Rain | Humidity | vs Hong Kong |
|---|---|---|---|---|---|
| Jan | 34°C | 18°C | 8 mm | 31% | +9°C |
| FebBest | 33°C | 18°C | 8 mm | 33% | +8°C |
| MarBest | 31°C | 16°C | 10 mm | 31% | +4°C |
| AprBest | 27°C | 13°C | 12 mm | 33% | -3°C |
| MayBest | 23°C | 10°C | 44 mm | 40% | -10°C |
| JunBest | 19°C | 7°C | 63 mm | 49% | -15°C |
| JulBest | 18°C | 6°C | 47 mm | 53% | -17°C |
| AugBest | 20°C | 7°C | 40 mm | 52% | -15°C |
| SepBest | 23°C | 9°C | 15 mm | 49% | -12°C |
| OctBest | 26°C | 11°C | 12 mm | 42% | -8°C |
| NovBest | 30°C | 14°C | 9 mm | 34% | -1°C |
| DecBest | 32°C | 17°C | 7 mm | 30% | +6°C |
Data: NASA POWER 2001–2020 climatology (MERRA-2, elevation-corrected); Hong Kong comparison uses HKO 1991–2020 normals.
Santiago weather month by month: what to wear
Santiago in OctoberBest monthThis month
October in Santiago is pleasantly warm: average highs of 26°C and lows of 11°C, around 12 mm of rain (dry) and 42% humidity — about 8°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
Santiago in NovemberBest month
November in Santiago is warm to hot: average highs of 30°C and lows of 14°C, around 9 mm of rain (dry) and 34% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
Santiago in DecemberBest month
December in Santiago is hot: average highs of 32°C and lows of 17°C, around 7 mm of rain (dry) and 30% humidity — about 6°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.
Santiago in January
January in Santiago is hot: average highs of 34°C and lows of 18°C, around 8 mm of rain (dry) and 31% humidity — about 9°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.
Santiago in FebruaryBest month
February in Santiago is hot: average highs of 33°C and lows of 18°C, around 8 mm of rain (dry) and 33% humidity — about 8°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.
Santiago in MarchBest month
March in Santiago is warm to hot: average highs of 31°C and lows of 16°C, around 10 mm of rain (dry) and 31% humidity — about 4°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.
Santiago in AprilBest month
April in Santiago is warm to hot: average highs of 27°C and lows of 13°C, around 12 mm of rain (dry) and 33% humidity — about 3°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
Santiago in MayBest month
May in Santiago is pleasantly warm: average highs of 23°C and lows of 10°C, around 44 mm of rain (mostly dry) and 40% humidity — about 10°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Santiago in JuneBest month
June in Santiago is mild and cool: average highs of 19°C and lows of 7°C, around 63 mm of rain (mostly dry) and 49% humidity — about 15°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater; big day–night swing, so dress in layers.
Santiago in JulyBest month
July in Santiago is mild and cool: average highs of 18°C and lows of 6°C, around 47 mm of rain (mostly dry) and 53% humidity — about 17°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater; big day–night swing, so dress in layers.
Santiago in AugustBest month
August in Santiago is mild and cool: average highs of 20°C and lows of 7°C, around 40 mm of rain (mostly dry) and 52% humidity — about 15°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Santiago in SeptemberBest month
September in Santiago is pleasantly warm: average highs of 23°C and lows of 9°C, around 15 mm of rain (dry) and 49% humidity — about 12°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
FAQ
›What is the best time to visit Santiago?
On temperature and rainfall, the most comfortable months in Santiago are Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov and Dec. The hottest month is January (average high 34°C) and the coldest is July (average low 6°C).
›What's the weather like in Santiago in October, and what should I wear?
October in Santiago is pleasantly warm: average highs of 26°C and lows of 11°C, around 12 mm of rain (dry) and 42% humidity — about 8°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
›What's the weather like in Santiago in November, and what should I wear?
November in Santiago is warm to hot: average highs of 30°C and lows of 14°C, around 9 mm of rain (dry) and 34% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
›When is the rainy season in Santiago?
Santiago is wettest in June, with about 63 mm on average, and driest in December, with about 7 mm.
›How cold does Santiago get? Does it snow?
The coldest month is July, averaging 18°C by day and 6°C at night. Snow is very unlikely.
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Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: January; coldest: July.