San Clemente in Winter
In winter (June, July and August), San Clemente sees average daytime highs around 19°C and overnight lows near 16°C, with 0 mm of rain over about 0 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 19°C. The sky is clear or mostly clear about 84% of the time across winter, and the air most often feels comfortable.
Winter is San Clemente's 2nd-best season to visit on our travel score. San Clemente 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 San Clemente's year-round climate.
- Avg daytime high
- 19°C
- coldest season of the year
- Avg overnight low
- 16°C
- Rainfall
- 0 mm
- 0 wet days
- Avg wind
- 16 km/h
- Travel score
- 8.4
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in San Clemente in Winter
Across winter, daytime highs hold fairly steady around 19°C.
A typical winter day in San Clemente reaches about 19°C and drops to 16°C overnight. The warmest of the three months is June, the coolest August.
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 | 24° / 21° | 4 | 0.9 | 12.7 | 8.1 |
| Feb | 25° / 22° | 4 | 1.3 | 12.5 | 7.8 |
| Mar | 25° / 21° | 3 | 0.8 | 12.1 | 8.1 |
| Apr | 23° / 20° | 1 | 0.3 | 11.7 | 8.7 |
| May | 21° / 18° | 0 | 0 | 11.4 | 8.7 |
| Jun | 20° / 16° | 0 | 0 | 11.2 | 8.4 |
| Jul | 19° / 15° | 0 | 0 | 11.3 | 8.4 |
| Aug | 19° / 15° | 0 | 0 | 11.5 | 8.4 |
| Sep | 19° / 15° | 0 | 0 | 11.9 | 8.3 |
| Oct | 20° / 16° | 0 | 0 | 12.3 | 8.1 |
| Nov | 21° / 17° | 0 | 0 | 12.6 | 8.1 |
| Dec | 23° / 19° | 1 | 0.2 | 12.8 | 8.1 |
Cloud cover in Winter
The sky is clear or mostly clear about 84% of the time across winter.
Chance of precipitation in Winter
San Clemente gets around 0 mm of rain over 0 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 16 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 18 min in early June to 11 h 42 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 5.4 kWh/m².
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 one of the better times to visit San Clemente for general 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 19°C and nights near 16°C. Pack sun protection.
Sea temperature near San Clemente in Winter
The nearest coast averages about 17°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 25 km away) is warmest in February at about 21°C and coldest in September near 16°C.
It's comfortable for a long swim from Jan 9 to Apr 1 — about 2.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 20 | 21 | 21 | 19 | 19 | 18 | 17 | 17 | 16 | 17 | 18 | 19 |
| Comfort | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 20 | Refreshing |
| Feb | 21 | Refreshing |
| Mar | 21 | Refreshing |
| Apr | 19 | Cool |
| May | 19 | Cool |
| Jun | 18 | Cool |
| Jul | 17 | Cool |
| Aug | 17 | Cool |
| Sep | 16 | Cool |
| Oct | 17 | Cool |
| Nov | 18 | Cool |
| Dec | 19 | Cool |
UV index in San Clemente in Winter
Clear-sky midday UV across winter averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in San Clemente peaks around February 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 9 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 17 | 14 | 13 | 10 | 9 | 9 | 11 | 12 | 14 | 14 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 17 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 10 | Extreme |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 14 | Extreme |
| Nov | 14 | Extreme |
| Dec | 14 | Extreme |
Where is San Clemente?
San Clemente sits at 13.7°S, 76.2°W, 80 m above sea level, in Peru. The nearest listed city is Pisco, 8.0 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 91 m around an average of 70 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 333 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,478 m.
The land around San Clemente is covered by bare terrain (31%) and shrubs (20%) within 3 km, bare terrain (37%) and water (25%) within 16 km, and bare terrain (47%) and water (34%) within 80 km.
Peru travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B / C
- 220 V · 60 Hz
- Prices
- ≈ 51% of US
- price level, 2025
- GDP per capita
- $9,684
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 49%
- of population, 2024
- Homicide rate
- 8.6
- per 100k, 2021
- Road deaths
- 13.6
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 519
- 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 (-13.6667°, -76.15°, elevation 80 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.