San Clemente in Winter
In winter (June, July and August), San Clemente sees average daytime highs around 14°C and overnight lows near 5°C, with 512 mm of rain over about 32 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 14°C. The sky is clear or mostly clear about 32% of the time across winter, and the air most often feels dry.
Winter is San Clemente's weakest season of the year to visit on our travel score. For the whole year in context, see San Clemente's year-round climate.
- Avg daytime high
- 14°C
- coldest season of the year
- Avg overnight low
- 5°C
- Rainfall
- 512 mm
- 32 wet days
- Avg wind
- 8 km/h
- Travel score
- 4.0
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in San Clemente in Winter
Across winter, daytime highs hold fairly steady around 14°C.
A typical winter day in San Clemente reaches about 14°C and drops to 5°C overnight. The warmest of the three months is August, the coolest July.
San Clemente weather by month
How the three winter months (June, July and August) 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 | 28° / 14° | 5 | 1 | 14.1 | 8.0 |
| Feb | 28° / 13° | 8 | 0.9 | 13.3 | 8.5 |
| Mar | 25° / 12° | 15 | 1.6 | 12.3 | 8.8 |
| Apr | 20° / 9° | 54 | 4.4 | 11.1 | 7.5 |
| May | 16° / 7° | 144 | 8.4 | 10.2 | 5.3 |
| Jun | 14° / 6° | 221 | 12 | 9.6 | 3.7 |
| Jul | 13° / 4° | 160 | 10.2 | 9.8 | 3.8 |
| Aug | 15° / 5° | 131 | 9.3 | 10.7 | 4.6 |
| Sep | 17° / 7° | 73 | 6.8 | 11.8 | 6.0 |
| Oct | 20° / 8° | 47 | 5.3 | 12.9 | 7.2 |
| Nov | 24° / 10° | 19 | 2.4 | 13.9 | 8.6 |
| Dec | 27° / 12° | 17 | 1.7 | 14.4 | 8.6 |
Cloud cover in Winter
The sky is clear or mostly clear about 32% of the time across winter.
Chance of precipitation in Winter
San Clemente gets around 512 mm of rain over 32 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 8 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 48 min in early June to 11 h 12 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.6 kWh/m².
Hazard calendar for San Clemente
In winter, San Clemente overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
San Clemente's rainy season runs May–August, when most of the year's rain falls.
Is winter a good time to visit San Clemente?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit San Clemente for sightseeing.
What to pack for San Clemente in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, San Clemente sees daytime highs around 14°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 32 days see rain.
UV index in San Clemente in Winter
Clear-sky midday UV across winter averages around 3. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in San Clemente peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 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 | 12 | 9 | 5 | 3 | 2 | 3 | 4 | 6 | 8 | 11 | 12 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 12 | Extreme |
| Mar | 9 | Very high |
| Apr | 5 | High |
| May | 3 | Moderate |
| Jun | 2 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 8 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in San Clemente in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in San Clemente is worst in February — around 26 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 12 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) | 18 | 26 | 16 | 19 | 25 | 21 | 22 | 21 | 20 | 16 | 15 | 12 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 26 | Moderate |
| Mar | 16 | Moderate |
| Apr | 19 | Moderate |
| May | 25 | Moderate |
| Jun | 21 | Moderate |
| Jul | 22 | Moderate |
| Aug | 21 | Moderate |
| Sep | 20 | Moderate |
| Oct | 16 | Moderate |
| Nov | 15 | Moderate |
| Dec | 12 | Good |
Where is San Clemente?
San Clemente sits at 35.5°S, 71.5°W, 214 m above sea level, in Chile. The nearest listed city is Colbún, 19 km away.
Topography around San Clemente
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Clemente.
Within 3 km, the terrain around San Clemente has only modest variations in elevation — a maximum elevation change of 55 m around an average of 204 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 596 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,923 m.
The land around San Clemente is covered by cropland (63%) within 3 km, cropland (45%), trees (25%) and grassland (22%) within 16 km, and trees (38%) and grassland (33%) 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 San Clemente (-35.5378°, -71.487°, elevation 214 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.