Las Heras in Spring
In spring (September, October and November), Las Heras sees average daytime highs around 17°C and overnight lows near 6°C, with 49 mm of precipitation 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 12°C in early September to 22°C by late November. The sky is clear or mostly clear about 37% of the time across spring, and the air most often feels dry.
Spring is Las Heras's 2nd-best season to visit on our travel score. For the whole year in context, see Las Heras's year-round climate.
- Avg daytime high
- 17°C
- 2nd-warmest season
- Avg overnight low
- 6°C
- Precipitation
- 49 mm
- 11 wet days
- Avg wind
- 22 km/h
- Travel score
- 6.3
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Las Heras in Spring
Over the season highs climb from about 12°C in early September to 22°C by late November.
A typical spring day in Las Heras reaches about 17°C and drops to 6°C overnight. The warmest of the three months is November, the coolest September.
How spring really feels in Las Heras
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 21 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Las Heras 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 25° / 12° | 8 | 2.5 | 0 | 15.2 | 8.3 |
| Feb | 24° / 12° | 14 | 2.6 | 0 | 14 | 8.3 |
| Mar | 21° / 10° | 17 | 3.1 | 0 | 12.4 | 7.7 |
| Apr | 16° / 6° | 17 | 3.9 | 0.1 | 10.7 | 6.1 |
| May | 11° / 3° | 24 | 4.8 | 1 | 9.2 | 3.4 |
| Jun | 7° / 0° | 27 | 5.8 | 2.5 | 8.4 | 1.2 |
| Jul | 7° / -0° | 18 | 4.5 | 2.3 | 8.8 | 1.2 |
| Aug | 10° / 1° | 20 | 5.1 | 1.6 | 10 | 2.7 |
| Sep | 14° / 4° | 19 | 4.7 | 0.8 | 11.6 | 4.6 |
| Oct | 18° / 6° | 15 | 3.8 | 0.3 | 13.3 | 6.7 |
| Nov | 21° / 9° | 16 | 2.9 | 0 | 14.8 | 7.6 |
| Dec | 23° / 11° | 13 | 3.2 | 0 | 15.6 | 8.1 |
Cloud cover in Spring
The sky is clear or mostly clear about 37% of the time across spring.
Chance of precipitation in Spring
Las Heras gets around 49 mm of rain and snow 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 22 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 48 min in early September to 15 h 18 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 5.7 kWh/m².
Is spring a good time to visit Las Heras?
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 Las Heras for sightseeing.
What to pack for Las Heras in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Las Heras sees daytime highs around 17°C and nights near 6°C. Pack sun protection. Worth having: a warm layer and a windbreaker. About 11 days see rain.
UV index in Las Heras in Spring
Clear-sky midday UV across spring averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Las Heras peaks around December 24 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 11 | 10 | 6 | 3 | 2 | 1 | 1 | 2 | 3 | 6 | 8 | 11 |
| Level | Extreme | Very high | High | Moderate | Low | Low | Low | Low | Moderate | High | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 10 | Very high |
| Mar | 6 | High |
| Apr | 3 | Moderate |
| May | 2 | Low |
| Jun | 1 | Low |
| Jul | 1 | Low |
| Aug | 2 | Low |
| Sep | 3 | Moderate |
| Oct | 6 | High |
| Nov | 8 | Very high |
| Dec | 11 | Extreme |
Where is Las Heras?
Las Heras sits at 46.5°S, 68.9°W, 324 m above sea level, in Argentina. The nearest listed city is Pico Truncado, 80 km away.
Topography around Las Heras
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Las Heras.
Within 3 km, the terrain around Las Heras has only modest variations in elevation — a maximum elevation change of 38 m around an average of 334 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 462 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,258 m.
The land around Las Heras is covered by grassland (44%), bare terrain (30%) and artificial surfaces (21%) within 3 km, grassland (65%) and bare terrain (30%) within 16 km, and grassland (69%) and bare terrain (23%) 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 Las Heras (-46.5413°, -68.9323°, elevation 324 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.