Santa Teresita in Summer
In summer (December, January and February), Santa Teresita sees average daytime highs around 23°C and overnight lows near 19°C, with 224 mm of rain over about 23 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Over the season highs climb from about 21°C in early December to 23°C by late February. The sky is clear or mostly clear about 49% of the time across summer, and the air most often feels muggy.
Summer is Santa Teresita's best season of the year to visit on our travel score. For the whole year in context, see Santa Teresita's year-round climate.
- Avg daytime high
- 23°C
- warmest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 224 mm
- 23 wet days
- Avg wind
- 21 km/h
- Travel score
- 7.4
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Santa Teresita in Summer
Over the season highs climb from about 21°C in early December to 23°C by late February.
A typical summer day in Santa Teresita reaches about 23°C and drops to 19°C overnight. The warmest of the three months is January, the coolest December.
Santa Teresita 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 23° / 19° | 75 | 7.7 | 14.2 | 7.5 |
| Feb | 23° / 20° | 84 | 7.6 | 13.4 | 7.4 |
| Mar | 22° / 18° | 77 | 8.2 | 12.3 | 7.1 |
| Apr | 19° / 15° | 93 | 7.5 | 11.1 | 6.5 |
| May | 16° / 12° | 60 | 7.1 | 10.1 | 5.2 |
| Jun | 13° / 9° | 71 | 7.2 | 9.6 | 3.8 |
| Jul | 11° / 8° | 68 | 7.1 | 9.8 | 3.1 |
| Aug | 12° / 9° | 77 | 7 | 10.6 | 3.6 |
| Sep | 14° / 10° | 74 | 7.4 | 11.8 | 4.2 |
| Oct | 16° / 13° | 85 | 9.3 | 12.9 | 5.3 |
| Nov | 19° / 15° | 81 | 8.5 | 13.9 | 6.5 |
| Dec | 22° / 18° | 65 | 7.9 | 14.4 | 7.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 49% of the time across summer.
Chance of precipitation in Summer
Santa Teresita gets around 224 mm of rain over 23 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 21 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 18 min in early December to 12 h 54 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 7.2 kWh/m².
Is summer a good time to visit Santa Teresita?
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 one of the better times to visit Santa Teresita for general sightseeing.
What to pack for Santa Teresita in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Santa Teresita sees daytime highs around 23°C and nights near 19°C. Pack sun protection. Worth having: light clothes and a windbreaker. About 23 days see rain.
Sea temperature near Santa Teresita in Summer
The nearest coast averages about 21°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in February at about 22°C and coldest in July near 11°C.
It's comfortable for a long swim from Dec 18 to Mar 31 — about 3.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 22 | 22 | 21 | 19 | 16 | 13 | 11 | 11 | 12 | 15 | 17 | 20 |
| Comfort | Refreshing | Refreshing | Refreshing | Cool | Cool | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 22 | Refreshing |
| Feb | 22 | Refreshing |
| Mar | 21 | Refreshing |
| Apr | 19 | Cool |
| May | 16 | Cool |
| Jun | 13 | Bracing |
| Jul | 11 | Bracing |
| Aug | 11 | Bracing |
| Sep | 12 | Bracing |
| Oct | 15 | Bracing |
| Nov | 17 | Cool |
| Dec | 20 | Cool |
UV index in Santa Teresita in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Santa Teresita peaks around January 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 2 (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) | 12 | 12 | 9 | 5 | 3 | 2 | 3 | 3 | 5 | 7 | 11 | 12 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 12 | Extreme |
| Mar | 9 | Very high |
| Apr | 5 | High |
| May | 3 | Moderate |
| Jun | 2 | Moderate |
| Jul | 3 | Moderate |
| Aug | 3 | Moderate |
| Sep | 5 | High |
| Oct | 7 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Where is Santa Teresita?
Santa Teresita sits at 36.5°S, 56.7°W, 20 m above sea level, in Argentina. The nearest listed city is Mar del Tuyú, 4.0 km away.
Topography around Santa Teresita
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Teresita.
Within 3 km, the terrain around Santa Teresita has only modest variations in elevation — a maximum elevation change of 18 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 34 m; within 80 km, only modest variations in elevation — a maximum elevation change of 33 m.
The land around Santa Teresita is covered by water (42%), grassland (22%) and artificial surfaces (22%) within 3 km, water (49%) and grassland (36%) within 16 km, and water (45%) and grassland (39%) 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 Santa Teresita (-36.5406°, -56.6929°, elevation 20 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.