Chillán Viejo weather in December
In December, Chillán Viejo sees average daytime highs of 25°C and overnight lows near 11°C, with 16 mm of rain across 2.4 wet days and about 14.5 hours of daylight. It is the 3rd-warmest and 11th-wettest month of the year here.
Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 72% of the time in December, and the air most often feels dry.
Daylight stretches from about 14 h 18 min at the start of December to 14 h 30 min by month's end. Set against the rest of the year, December is Chillán Viejo's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Chillán Viejo's year-round climate.
- Daytime high
- 25°
- 3rd warmest
- Overnight low
- 11°
- 10th coldest
- Rainfall
- 16 mm
- 2.4 wet days
- Daylight
- 14 h 30 min
- 6:30 AM – 8:59 PM
- Cloud cover
- 26%
- 3rd clearest
- Wind
- 14 km/h
- 2nd windiest
- Solar energy
- 8.6 kWh/m²
- Travel score
- 8.7
- out of 10
Chillán Viejo is city in Chile.
- Density
- 3,158/km²
- people per km²
- Founded
- 1895
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Highs climb over the month, from about 24°C in the first days to 26°C by the end.
A typical December day in Chillán Viejo reaches about 25°C in the afternoon and slips back to 11°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 29°C. Set against its neighbours, December runs about 3°C warmer than November and about 2°C cooler than January.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 |
| Avg low (°C) | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 24 | 10 |
| 2 | 24 | 10 |
| 3 | 24 | 10 |
| 4 | 24 | 10 |
| 5 | 24 | 11 |
| 6 | 24 | 11 |
| 7 | 24 | 11 |
| 8 | 25 | 11 |
| 9 | 25 | 11 |
| 10 | 25 | 11 |
| 11 | 25 | 11 |
| 12 | 25 | 11 |
| 13 | 25 | 11 |
| 14 | 25 | 11 |
| 15 | 25 | 11 |
| 16 | 25 | 11 |
| 17 | 25 | 11 |
| 18 | 26 | 11 |
| 19 | 26 | 11 |
| 20 | 26 | 11 |
| 21 | 26 | 11 |
| 22 | 26 | 12 |
| 23 | 26 | 12 |
| 24 | 26 | 12 |
| 25 | 26 | 12 |
| 26 | 26 | 12 |
| 27 | 26 | 12 |
| 28 | 26 | 12 |
| 29 | 26 | 12 |
| 30 | 27 | 12 |
| 31 | 27 | 12 |
Chillán Viejo weather by month
How December compares with the rest of the year at a glance. December is the 3rd-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 13° | 8 | 1.1 | 14.2 | 8.6 |
| Feb | 27° / 12° | 18 | 1.6 | 13.4 | 8.6 |
| Mar | 24° / 11° | 21 | 2.7 | 12.3 | 8.7 |
| Apr | 20° / 8° | 60 | 5.2 | 11.1 | 7.1 |
| May | 15° / 7° | 157 | 9.6 | 10.1 | 4.8 |
| Jun | 13° / 6° | 214 | 13.3 | 9.5 | 3.2 |
| Jul | 13° / 4° | 159 | 11.7 | 9.8 | 3.3 |
| Aug | 14° / 5° | 132 | 11.3 | 10.6 | 4.1 |
| Sep | 16° / 6° | 72 | 6.9 | 11.8 | 5.6 |
| Oct | 19° / 8° | 49 | 6.5 | 12.9 | 6.8 |
| Nov | 22° / 9° | 25 | 3.1 | 14 | 8.2 |
| Dec | 25° / 11° | 16 | 2.4 | 14.5 | 8.7 |
Cloud cover in December
The sky is clear or mostly clear about 72% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 17%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 79 | 79 | 80 | 80 | 80 | 80 | 80 | 80 | 81 | 81 | 82 | 82 | 82 | 82 | 83 | 83 | 83 | 83 | 84 | 84 | 84 | 84 | 84 | 85 | 85 | 85 | 86 | 87 | 87 | 87 | 87 |
| Cloudier (%) | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 13 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 79 | 21 |
| 2 | 79 | 21 |
| 3 | 80 | 20 |
| 4 | 80 | 20 |
| 5 | 80 | 20 |
| 6 | 80 | 20 |
| 7 | 80 | 20 |
| 8 | 80 | 20 |
| 9 | 81 | 19 |
| 10 | 81 | 19 |
| 11 | 82 | 18 |
| 12 | 82 | 18 |
| 13 | 82 | 18 |
| 14 | 82 | 18 |
| 15 | 83 | 17 |
| 16 | 83 | 17 |
| 17 | 83 | 17 |
| 18 | 83 | 17 |
| 19 | 84 | 16 |
| 20 | 84 | 16 |
| 21 | 84 | 16 |
| 22 | 84 | 16 |
| 23 | 84 | 16 |
| 24 | 85 | 15 |
| 25 | 85 | 15 |
| 26 | 85 | 15 |
| 27 | 86 | 14 |
| 28 | 87 | 13 |
| 29 | 87 | 13 |
| 30 | 87 | 13 |
| 31 | 87 | 13 |
Chance of precipitation in December
Chillán Viejo gets around 16 mm of rain over 2.4 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 7% and peaks near 9% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Rain chance (%) | |
|---|---|
| 1 | 9 |
| 2 | 9 |
| 3 | 9 |
| 4 | 9 |
| 5 | 9 |
| 6 | 9 |
| 7 | 9 |
| 8 | 8 |
| 9 | 8 |
| 10 | 8 |
| 11 | 8 |
| 12 | 7 |
| 13 | 7 |
| 14 | 7 |
| 15 | 7 |
| 16 | 7 |
| 17 | 7 |
| 18 | 7 |
| 19 | 7 |
| 20 | 7 |
| 21 | 7 |
| 22 | 7 |
| 23 | 7 |
| 24 | 7 |
| 25 | 6 |
| 26 | 6 |
| 27 | 6 |
| 28 | 6 |
| 29 | 6 |
| 30 | 6 |
| 31 | 6 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the dry band about 90% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 95 | 95 | 94 | 94 | 93 | 93 | 92 | 92 | 92 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 90 | 90 | 89 | 89 | 88 | 88 | 87 | 86 | 86 | 85 | 85 | 84 |
| Comfortable (%) | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 12 | 12 | 13 | 14 | 14 | 15 | 15 | 16 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 95 | 5 |
| 2 | 95 | 5 |
| 3 | 94 | 6 |
| 4 | 94 | 6 |
| 5 | 93 | 7 |
| 6 | 93 | 7 |
| 7 | 92 | 8 |
| 8 | 92 | 8 |
| 9 | 92 | 8 |
| 10 | 91 | 9 |
| 11 | 91 | 9 |
| 12 | 91 | 9 |
| 13 | 91 | 9 |
| 14 | 91 | 9 |
| 15 | 91 | 9 |
| 16 | 91 | 9 |
| 17 | 91 | 9 |
| 18 | 91 | 9 |
| 19 | 91 | 9 |
| 20 | 90 | 10 |
| 21 | 90 | 10 |
| 22 | 89 | 11 |
| 23 | 89 | 11 |
| 24 | 88 | 12 |
| 25 | 88 | 12 |
| 26 | 87 | 13 |
| 27 | 86 | 14 |
| 28 | 86 | 14 |
| 29 | 85 | 15 |
| 30 | 85 | 15 |
| 31 | 84 | 16 |
Wind in December
Winds average 14 km/h in December.
Across December, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 14 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 13 | light breeze |
| 8 | 13 | light breeze |
| 9 | 13 | light breeze |
| 10 | 13 | light breeze |
| 11 | 13 | light breeze |
| 12 | 14 | light breeze |
| 13 | 14 | light breeze |
| 14 | 14 | light breeze |
| 15 | 14 | light breeze |
| 16 | 14 | light breeze |
| 17 | 14 | light breeze |
| 18 | 14 | light breeze |
| 19 | 14 | light breeze |
| 20 | 14 | light breeze |
| 21 | 14 | light breeze |
| 22 | 14 | light breeze |
| 23 | 14 | light breeze |
| 24 | 14 | light breeze |
| 25 | 14 | light breeze |
| 26 | 14 | light breeze |
| 27 | 14 | light breeze |
| 28 | 14 | light breeze |
| 29 | 14 | light breeze |
| 30 | 14 | light breeze |
| 31 | 14 | light breeze |
Sunrise & sunset in December
Daylight runs from about 14 h 18 min at the start of December to 14 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over December. Sunrise moves from 6:29 AM to 6:38 AM, and sunset from 8:48 PM to 9:06 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.3 | 14.3 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 |
| Sunrise (AM) | 6:29 | 6:29 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:29 | 6:29 | 6:29 | 6:29 | 6:29 | 6:29 | 6:30 | 6:30 | 6:30 | 6:31 | 6:31 | 6:31 | 6:32 | 6:32 | 6:33 | 6:33 | 6:34 | 6:34 | 6:35 | 6:36 | 6:36 | 6:37 | 6:38 |
| Sunset (PM) | 8:48 | 8:49 | 8:50 | 8:51 | 8:51 | 8:52 | 8:53 | 8:54 | 8:55 | 8:55 | 8:56 | 8:57 | 8:57 | 8:58 | 8:59 | 8:59 | 9:00 | 9:01 | 9:01 | 9:02 | 9:02 | 9:03 | 9:03 | 9:04 | 9:04 | 9:04 | 9:05 | 9:05 | 9:05 | 9:06 | 9:06 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.3 | 6:29 | 8:48 |
| 2 | 14.3 | 6:29 | 8:49 |
| 3 | 14.4 | 6:28 | 8:50 |
| 4 | 14.4 | 6:28 | 8:51 |
| 5 | 14.4 | 6:28 | 8:51 |
| 6 | 14.4 | 6:28 | 8:52 |
| 7 | 14.4 | 6:28 | 8:53 |
| 8 | 14.4 | 6:28 | 8:54 |
| 9 | 14.4 | 6:29 | 8:55 |
| 10 | 14.4 | 6:29 | 8:55 |
| 11 | 14.5 | 6:29 | 8:56 |
| 12 | 14.5 | 6:29 | 8:57 |
| 13 | 14.5 | 6:29 | 8:57 |
| 14 | 14.5 | 6:29 | 8:58 |
| 15 | 14.5 | 6:30 | 8:59 |
| 16 | 14.5 | 6:30 | 8:59 |
| 17 | 14.5 | 6:30 | 9:00 |
| 18 | 14.5 | 6:31 | 9:01 |
| 19 | 14.5 | 6:31 | 9:01 |
| 20 | 14.5 | 6:31 | 9:02 |
| 21 | 14.5 | 6:32 | 9:02 |
| 22 | 14.5 | 6:32 | 9:03 |
| 23 | 14.5 | 6:33 | 9:03 |
| 24 | 14.5 | 6:33 | 9:04 |
| 25 | 14.5 | 6:34 | 9:04 |
| 26 | 14.5 | 6:34 | 9:04 |
| 27 | 14.5 | 6:35 | 9:05 |
| 28 | 14.5 | 6:36 | 9:05 |
| 29 | 14.5 | 6:36 | 9:05 |
| 30 | 14.5 | 6:37 | 9:06 |
| 31 | 14.5 | 6:38 | 9:06 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 8.6 kWh/m².
For context, solar energy here swings from a low near 1.85 kWh/m² to a high of 8.63 kWh/m² in January across the year — December's 8.6 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 8.3 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.4 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 8.3 | Intense |
| 2 | 8.4 | Intense |
| 3 | 8.4 | Intense |
| 4 | 8.4 | Intense |
| 5 | 8.4 | Intense |
| 6 | 8.4 | Intense |
| 7 | 8.4 | Intense |
| 8 | 8.5 | Intense |
| 9 | 8.5 | Intense |
| 10 | 8.5 | Intense |
| 11 | 8.5 | Intense |
| 12 | 8.5 | Intense |
| 13 | 8.6 | Intense |
| 14 | 8.6 | Intense |
| 15 | 8.6 | Intense |
| 16 | 8.6 | Intense |
| 17 | 8.6 | Intense |
| 18 | 8.7 | Intense |
| 19 | 8.7 | Intense |
| 20 | 8.7 | Intense |
| 21 | 8.7 | Intense |
| 22 | 8.7 | Intense |
| 23 | 8.7 | Intense |
| 24 | 8.8 | Intense |
| 25 | 8.8 | Intense |
| 26 | 8.8 | Intense |
| 27 | 8.8 | Intense |
| 28 | 8.8 | Intense |
| 29 | 8.8 | Intense |
| 30 | 8.8 | Intense |
| 31 | 8.8 | Intense |
Hazard calendar for Chillán Viejo
None of Chillán Viejo's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Chillán Viejo's rainy season runs May–August, when most of the year's rain falls.
Is December a good time to visit Chillán Viejo?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is one of the better times to visit Chillán Viejo for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Chillán Viejo in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Chillán Viejo sees daytime highs around 25°C and nights near 11°C. Pack sun protection. Worth having: light clothes.
UV index in Chillán Viejo in December
Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Chillán Viejo peaks around January 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 11 | 9 | 5 | 3 | 2 | 3 | 3 | 5 | 8 | 10 | 12 |
| Level | Extreme | Extreme | Very high | Moderate | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 11 | Extreme |
| Mar | 9 | Very high |
| Apr | 5 | Moderate |
| May | 3 | Moderate |
| Jun | 2 | Moderate |
| Jul | 3 | Moderate |
| Aug | 3 | Moderate |
| Sep | 5 | High |
| Oct | 8 | Very high |
| Nov | 10 | Extreme |
| Dec | 12 | Extreme |
Air quality in Chillán Viejo in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Chillán Viejo is worst in April — around 40 µg/m³ PM2.5 (poor), about 4.6× the cleanest month (December, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 14 | 25 | 30 | 40 | 27 | 15 | 15 | 14 | 13 | 12 | 10 | 9 |
| Level | Moderate | Moderate | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 25 | Moderate |
| Mar | 30 | Moderate |
| Apr | 40 | Poor |
| May | 27 | Moderate |
| Jun | 15 | Moderate |
| Jul | 15 | Moderate |
| Aug | 14 | Moderate |
| Sep | 13 | Moderate |
| Oct | 12 | Moderate |
| Nov | 10 | Good |
| Dec | 9 | Good |
Where is Chillán Viejo?
Chillán Viejo sits at 36.6°S, 72.1°W, 117 m above sea level, in Chile. The nearest listed city is Chillán, 3.0 km away.
Topography around Chillán Viejo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chillán Viejo.
Within 3 km, the terrain around Chillán Viejo has only modest variations in elevation — a maximum elevation change of 50 m around an average of 105 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 189 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,164 m.
The land around Chillán Viejo is covered by artificial surfaces (39%), grassland (25%) and cropland (20%) within 3 km, trees (33%), grassland (33%) and cropland (26%) within 16 km, and trees (50%) and grassland (26%) within 80 km.
Chile travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / L
- 220 V · 50 Hz
- Prices
- ≈ 48% of US
- price level, 2025
- GDP per capita
- $17,995
- 2025
- Happiness
- 6.3 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 6.3
- per 100k, 2023
- Road deaths
- 14.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 517
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Chillán Viejo (-36.623°, -72.1319°, elevation 117 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).