Valparaiso in Summer
In summer (December, January and February), Valparaiso sees average daytime highs around 16°C and overnight lows near 15°C, with 4 mm of rain over about 1 wet days across the season. It is the warmest season of the year and the driest season of the year.
Across summer, daytime highs hold fairly steady around 16°C. The sky is clear or mostly clear about 72% of the time across summer, and the air most often feels comfortable.
Summer is Valparaiso's best season of the year to visit on our travel score. Valparaiso has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Valparaiso's year-round climate.
- Avg daytime high
- 16°C
- warmest season of the year
- Avg overnight low
- 15°C
- Rainfall
- 4 mm
- 1 wet days
- Avg wind
- 20 km/h
- Travel score
- 7.0
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Valparaiso in Summer
Across summer, daytime highs hold fairly steady around 16°C.
A typical summer day in Valparaiso reaches about 16°C and drops to 15°C overnight. The warmest of the three months is February, the coolest December.
Valparaiso weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 17° / 16° | 0 | 0.1 | 13.9 | 7.2 |
| Feb | 17° / 16° | 1 | 0.2 | 13.2 | 7.3 |
| Mar | 17° / 15° | 2 | 0.6 | 12.3 | 6.9 |
| Apr | 15° / 14° | 16 | 1.8 | 11.2 | 5.9 |
| May | 14° / 13° | 61 | 4.4 | 10.3 | 4.9 |
| Jun | 14° / 12° | 121 | 6.8 | 9.9 | 4.2 |
| Jul | 13° / 11° | 67 | 5.5 | 10 | 4.1 |
| Aug | 13° / 11° | 57 | 4.6 | 10.8 | 4.1 |
| Sep | 13° / 12° | 27 | 3 | 11.8 | 4.4 |
| Oct | 13° / 12° | 13 | 1.7 | 12.8 | 4.8 |
| Nov | 14° / 13° | 3 | 0.4 | 13.7 | 5.6 |
| Dec | 16° / 15° | 3 | 0.3 | 14.1 | 6.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 72% of the time across summer.
Chance of precipitation in Summer
Valparaiso gets around 4 mm of rain over 1 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 20 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 hours in early December to 12 h 48 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 8.4 kWh/m².
Is summer a good time to visit Valparaiso?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Valparaiso for sightseeing.
What to pack for Valparaiso in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Valparaiso sees daytime highs around 16°C and nights near 15°C. Pack sun protection. Worth having: a warm layer and a windbreaker.
Sea temperature near Valparaiso in Summer
The nearest coast averages about 17°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 18 km away) is warmest in February at about 17°C and coldest in August near 13°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 17 | 17 | 17 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 16 |
| Comfort | Cool | Cool | Cool | Cool | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 17 | Cool |
| Feb | 17 | Cool |
| Mar | 17 | Cool |
| Apr | 15 | Cool |
| May | 14 | Bracing |
| Jun | 14 | Bracing |
| Jul | 13 | Bracing |
| Aug | 13 | Bracing |
| Sep | 13 | Bracing |
| Oct | 13 | Bracing |
| Nov | 14 | Bracing |
| Dec | 16 | Cool |
UV index in Valparaiso in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Valparaiso peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 12 | 10 | 5 | 3 | 3 | 3 | 4 | 6 | 9 | 11 | 12 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 12 | Extreme |
| Mar | 10 | Extreme |
| Apr | 5 | High |
| May | 3 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 9 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in Valparaiso in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Valparaiso is worst in January — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (March, 10 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Valparaiso's WHO annual average of 13.7 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 22 | 16 | 10 | 11 | 12 | 13 | 12 | 14 | 14 | 13 | 14 | 14 |
| Level | Moderate | Moderate | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 22 | Moderate |
| Feb | 16 | Moderate |
| Mar | 10 | Good |
| Apr | 11 | Good |
| May | 12 | Moderate |
| Jun | 13 | Moderate |
| Jul | 12 | Moderate |
| Aug | 14 | Moderate |
| Sep | 14 | Moderate |
| Oct | 13 | Moderate |
| Nov | 14 | Moderate |
| Dec | 14 | Moderate |
Where is Valparaiso?
Valparaiso sits at 33.0°S, 71.6°W, 15 m above sea level, in Chile. The nearest listed city is Vina del Mar, 7.0 km away.
Topography around Valparaiso
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Valparaiso.
Within 3 km, the terrain around Valparaiso has significant variations in elevation — a maximum elevation change of 429 m around an average of 84 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 585 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,320 m.
The land around Valparaiso is covered by water (44%) and artificial surfaces (43%) within 3 km, water (53%) and trees (23%) within 16 km, and water (37%) and shrubs (24%) 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 Valparaiso (-33.036°, -71.6296°, elevation 15 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.