San Pedro in Spring
In spring (September, October and November), San Pedro sees average daytime highs around 26°C and overnight lows near 16°C, with 589 mm of rain over about 40 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs climb from about 24°C in early September to 28°C by late November. The sky is clear or mostly clear about 37% of the time across spring, and the air most often feels humid.
Spring is San Pedro's 2nd-best season to visit on our travel score. For the whole year in context, see San Pedro's year-round climate.
- Avg daytime high
- 26°C
- 2nd-warmest season
- Avg overnight low
- 16°C
- Rainfall
- 589 mm
- 40 wet days
- Avg wind
- 10 km/h
- Travel score
- 6.2
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in San Pedro in Spring
Over the season highs climb from about 24°C in early September to 28°C by late November.
A typical spring day in San Pedro reaches about 26°C and drops to 16°C overnight. The warmest of the three months is November, the coolest September.
San Pedro weather by month
How the three spring months (September, October and November) 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 | 29° / 20° | 186 | 19.3 | 13.5 | 4.3 |
| Feb | 28° / 19° | 175 | 17.8 | 12.9 | 4.5 |
| Mar | 28° / 18° | 161 | 15.5 | 12.2 | 5.5 |
| Apr | 25° / 16° | 152 | 11.6 | 11.4 | 6.6 |
| May | 21° / 13° | 162 | 10.5 | 10.7 | 6.6 |
| Jun | 20° / 12° | 163 | 9.8 | 10.4 | 6.4 |
| Jul | 20° / 11° | 140 | 9.7 | 10.5 | 6.6 |
| Aug | 23° / 13° | 108 | 7.7 | 11.1 | 7.5 |
| Sep | 24° / 14° | 180 | 11.5 | 11.8 | 6.9 |
| Oct | 26° / 16° | 234 | 15 | 12.6 | 5.9 |
| Nov | 27° / 17° | 175 | 13.6 | 13.3 | 5.9 |
| Dec | 29° / 19° | 201 | 17.4 | 13.6 | 4.7 |
Cloud cover in Spring
The sky is clear or mostly clear about 37% of the time across spring.
Chance of precipitation in Spring
San Pedro gets around 589 mm of rain over 40 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 10 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 24 min in early September to 13 h 30 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.4 kWh/m².
Is spring a good time to visit San Pedro?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit San Pedro for sightseeing.
What to pack for San Pedro in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, San Pedro sees daytime highs around 26°C and nights near 16°C. Pack light clothes, rain gear and sun protection. About 40 days see rain.
UV index in San Pedro in Spring
Clear-sky midday UV across spring 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 Pedro peaks around January 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 4 (moderate).
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 | 14 | 11 | 8 | 6 | 4 | 5 | 6 | 7 | 9 | 11 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 14 | Extreme |
| Mar | 11 | Extreme |
| Apr | 8 | Very high |
| May | 6 | High |
| Jun | 4 | Moderate |
| Jul | 5 | Moderate |
| Aug | 6 | High |
| Sep | 7 | Very high |
| Oct | 9 | Very high |
| Nov | 11 | Extreme |
| Dec | 13 | Extreme |
Air quality in San Pedro in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in San Pedro is worst in September — around 24 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (March, 6 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) | 7 | 7 | 6 | 7 | 6 | 6 | 10 | 22 | 24 | 12 | 9 | 7 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 7 | Good |
| Mar | 6 | Good |
| Apr | 7 | Good |
| May | 6 | Good |
| Jun | 6 | Good |
| Jul | 10 | Good |
| Aug | 22 | Moderate |
| Sep | 24 | Moderate |
| Oct | 12 | Good |
| Nov | 9 | Good |
| Dec | 7 | Good |
Where is San Pedro?
San Pedro sits at 26.6°S, 54.1°W, 554 m above sea level, in Argentina. The nearest listed city is San Vicente, 2.0 km away.
Topography around San Pedro
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Pedro.
Within 3 km, the terrain around San Pedro has only modest variations in elevation — a maximum elevation change of 122 m around an average of 557 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 471 m; within 80 km, large variations in elevation — a maximum elevation change of 817 m.
The land around San Pedro is covered by trees (76%) within 3 km, trees (87%) within 16 km, and trees (83%) within 80 km.
Argentina travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / I
- 220 V · 50 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $14,898
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Homicide rate
- 4.5
- per 100k, 2023
- Road deaths
- 14.1
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- High
- EF EPI 575
- 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 Pedro (-26.6218°, -54.109°, elevation 554 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.