Las Piedras in Summer
In summer (December, January and February), Las Piedras sees average daytime highs around 27°C and overnight lows near 18°C, with 254 mm of rain over about 23 wet days across the season. It is the warmest season of the year and the driest season of the year.
Across summer, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 46% of the time across summer, and the air most often feels humid.
Summer is Las Piedras's best season of the year to visit on our travel score. For the whole year in context, see Las Piedras's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 18°C
- Rainfall
- 254 mm
- 23 wet days
- Avg wind
- 15 km/h
- Travel score
- 7.1
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Las Piedras in Summer
Across summer, daytime highs hold fairly steady around 27°C.
A typical summer day in Las Piedras reaches about 27°C and drops to 18°C overnight. The warmest of the three months is January, the coolest December.
Las Piedras 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 | 27° / 19° | 76 | 7.2 | 14.1 | 7.1 |
| Feb | 27° / 19° | 98 | 8.1 | 13.3 | 6.9 |
| Mar | 25° / 17° | 96 | 8.3 | 12.3 | 7.3 |
| Apr | 22° / 14° | 99 | 7.9 | 11.2 | 7.0 |
| May | 18° / 11° | 80 | 7.4 | 10.2 | 6.2 |
| Jun | 15° / 8° | 80 | 7.8 | 9.7 | 4.8 |
| Jul | 14° / 7° | 84 | 7.4 | 9.9 | 4.4 |
| Aug | 16° / 9° | 92 | 7.8 | 10.7 | 5.3 |
| Sep | 17° / 10° | 84 | 7.9 | 11.8 | 5.9 |
| Oct | 20° / 12° | 113 | 9.3 | 12.9 | 6.5 |
| Nov | 23° / 14° | 101 | 8.1 | 13.8 | 7.3 |
| Dec | 26° / 17° | 80 | 7.8 | 14.3 | 7.3 |
Cloud cover in Summer
The sky is clear or mostly clear about 46% of the time across summer.
Chance of precipitation in Summer
Las Piedras gets around 254 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 humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 15 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 12 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 7.0 kWh/m².
Is summer a good time to visit Las Piedras?
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 Las Piedras for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Las Piedras in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Las Piedras sees daytime highs around 27°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 23 days see rain.
Sea temperature near Las Piedras in Summer
The nearest coast averages about 23°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 18 km away) is warmest in February at about 24°C and coldest in July near 11°C.
It's comfortable for a long swim from Nov 27 to Apr 9 — about 4.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 23 | 24 | 22 | 19 | 16 | 13 | 11 | 12 | 13 | 16 | 19 | 22 |
| Comfort | Refreshing | Refreshing | Refreshing | Cool | Cool | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 23 | Refreshing |
| Feb | 24 | Refreshing |
| Mar | 22 | Refreshing |
| Apr | 19 | Cool |
| May | 16 | Cool |
| Jun | 13 | Bracing |
| Jul | 11 | Bracing |
| Aug | 12 | Bracing |
| Sep | 13 | Bracing |
| Oct | 16 | Cool |
| Nov | 19 | Cool |
| Dec | 22 | Refreshing |
UV index in Las Piedras 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 Las Piedras peaks around January 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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) | 13 | 11 | 10 | 6 | 3 | 2 | 3 | 4 | 6 | 7 | 11 | 11 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 11 | Extreme |
| Mar | 10 | Very high |
| Apr | 6 | High |
| May | 3 | Moderate |
| Jun | 2 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 7 | Very high |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Where is Las Piedras?
Las Piedras sits at 34.7°S, 56.2°W, 72 m above sea level, in Uruguay. The nearest listed city is La Paz, 3.0 km away.
Topography around Las Piedras
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Las Piedras.
Within 3 km, the terrain around Las Piedras has only modest variations in elevation — a maximum elevation change of 61 m around an average of 58 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 90 m; within 80 km, significant variations in elevation — a maximum elevation change of 375 m.
The land around Las Piedras is covered by grassland (39%) and artificial surfaces (39%) within 3 km, grassland (45%) within 16 km, and water (35%), grassland (32%) and cropland (23%) within 80 km.
Uruguay travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / I / L
- 230 V · 50 Hz
- Prices
- ≈ 66% of US
- price level, 2025
- GDP per capita
- $25,216
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Homicide rate
- 11.2
- per 100k, 2023
- Road deaths
- 14.8
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 542
- 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 Piedras (-34.7302°, -56.2191°, elevation 72 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.