San Rafael in Summer
In summer (December, January and February), San Rafael sees average daytime highs around 31°C and overnight lows near 17°C, with 146 mm of rain over about 25 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 68% of the time across summer, and the air most often feels dry.
Summer is San Rafael's weakest season of the year to visit on our travel score. For the whole year in context, see San Rafael's year-round climate.
- Avg daytime high
- 31°C
- warmest season of the year
- Avg overnight low
- 17°C
- Rainfall
- 146 mm
- 25 wet days
- Avg wind
- 12 km/h
- Travel score
- 5.1
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in San Rafael in Summer
Across summer, daytime highs hold fairly steady around 31°C.
A typical summer day in San Rafael reaches about 31°C and drops to 17°C overnight. The warmest of the three months is January, the coolest December.
How summer really feels in San Rafael
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
San Rafael 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 32° / 18° | 46 | 8.9 | 0 | 14.1 | 4.6 |
| Feb | 30° / 17° | 47 | 7.1 | 0 | 13.3 | 5.6 |
| Mar | 27° / 15° | 48 | 6.8 | 0 | 12.3 | 7.2 |
| Apr | 22° / 10° | 42 | 6 | 0 | 11.2 | 7.7 |
| May | 18° / 7° | 31 | 5 | 0 | 10.2 | 6.6 |
| Jun | 15° / 4° | 18 | 3.7 | 0.1 | 9.7 | 5.6 |
| Jul | 15° / 3° | 17 | 3.2 | 0.6 | 9.9 | 5.5 |
| Aug | 18° / 4° | 22 | 3.4 | 0.3 | 10.7 | 6.9 |
| Sep | 21° / 8° | 28 | 4.7 | 0.2 | 11.8 | 7.5 |
| Oct | 24° / 11° | 60 | 7.6 | 0 | 12.9 | 7.7 |
| Nov | 28° / 14° | 53 | 8 | 0 | 13.8 | 6.8 |
| Dec | 31° / 17° | 53 | 8.7 | 0 | 14.3 | 5.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 68% of the time across summer.
Chance of precipitation in Summer
San Rafael gets around 146 mm of rain over 25 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 12 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 12 min 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 7.5 kWh/m².
Is summer a good time to visit San Rafael?
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 San Rafael for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for San Rafael in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, San Rafael sees daytime highs around 31°C and nights near 17°C. Pack light clothes and sun protection. Worth having: rain gear. About 25 days see rain.
UV index in San Rafael 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 San Rafael peaks around January 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 13 | 10 | 5 | 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 | 5 | 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 Rafael?
San Rafael sits at 34.6°S, 68.3°W, 690 m above sea level, in Argentina. The nearest listed city is General Alvear, 71 km away.
Topography around San Rafael
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Rafael.
Within 3 km, the terrain around San Rafael has only modest variations in elevation — a maximum elevation change of 61 m around an average of 696 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 276 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,885 m.
The land around San Rafael is covered by artificial surfaces (59%) and grassland (27%) within 3 km, grassland (54%) and shrubs (33%) within 16 km, and shrubs (62%) and grassland (32%) 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 Rafael (-34.6153°, -68.3324°, elevation 690 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.