San Martín in Spring
In spring (September, October and November), San Martín sees average daytime highs around 26°C and overnight lows near 13°C, with 58 mm of rain over about 11 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 20°C in early September to 31°C by late November. The sky is clear or mostly clear about 66% of the time across spring, and the air most often feels dry.
Spring is San Martín's best season of the year to visit on our travel score. For the whole year in context, see San Martín's year-round climate.
- Avg daytime high
- 26°C
- 2nd-warmest season
- Avg overnight low
- 13°C
- Rainfall
- 58 mm
- 11 wet days
- Avg wind
- 12 km/h
- Travel score
- 7.5
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in San Martín in Spring
Over the season highs climb from about 20°C in early September to 31°C by late November.
A typical spring day in San Martín reaches about 26°C and drops to 13°C overnight. The warmest of the three months is November, the coolest September.
How spring really feels in San Martín
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
spring sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
San Martín 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 | 33° / 21° | 48 | 7.8 | 13.9 | 4.0 |
| Feb | 31° / 19° | 37 | 6.3 | 13.2 | 5.0 |
| Mar | 28° / 17° | 43 | 6.2 | 12.3 | 6.9 |
| Apr | 23° / 12° | 20 | 4.3 | 11.2 | 8.2 |
| May | 19° / 8° | 13 | 2.6 | 10.3 | 7.2 |
| Jun | 15° / 4° | 6 | 1.3 | 9.9 | 5.9 |
| Jul | 15° / 3° | 6 | 1.6 | 10 | 5.9 |
| Aug | 18° / 6° | 10 | 1.9 | 10.8 | 7.6 |
| Sep | 22° / 10° | 12 | 2.3 | 11.8 | 8.4 |
| Oct | 26° / 14° | 20 | 3.9 | 12.8 | 8.1 |
| Nov | 30° / 17° | 27 | 5.1 | 13.7 | 6.1 |
| Dec | 32° / 19° | 38 | 6.7 | 14.1 | 4.4 |
Cloud cover in Spring
The sky is clear or mostly clear about 66% of the time across spring.
Chance of precipitation in Spring
San Martín gets around 58 mm of rain over 11 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 12 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 18 min in early September to 14 hours 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 6.5 kWh/m².
Is spring a good time to visit San Martín?
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 one of the better times to visit San Martín for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for San Martín in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, San Martín sees daytime highs around 26°C and nights near 13°C. Pack light clothes and sun protection. About 11 days see rain.
UV index in San Martín 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 Martín peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 | 13 | 10 | 6 | 4 | 3 | 3 | 4 | 6 | 10 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 10 | Extreme |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 10 | Very high |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Where is San Martín?
San Martín sits at 33.1°S, 68.5°W, 656 m above sea level, in Argentina. The nearest listed city is Rivadavia, 12 km away.
Topography around San Martín
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Martín.
Within 3 km, the terrain around San Martín has only modest variations in elevation — a maximum elevation change of 18 m around an average of 658 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 67 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,924 m.
The land around San Martín is covered by artificial surfaces (44%) within 3 km, cropland (38%), shrubs (25%) and grassland (25%) within 16 km, and shrubs (69%) 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 Martín (-33.0834°, -68.4731°, elevation 656 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.