Summer Weather in Punta del Este Uruguay

Daily high temperatures are around 77°F, rarely falling below 66°F or exceeding 88°F. The highest daily average high temperature is 80°F on January 18.

Daily low temperatures increase by 5°F, from 60°F to 65°F, rarely falling below 53°F or exceeding 71°F. The highest daily average low temperature is 66°F on February 8.

For reference, on January 15, the hottest day of the year, temperatures in Punta del Este typically range from 65°F to 80°F, while on July 19, the coldest day of the year, they range from 46°F to 58°F.

The figure below shows you a compact characterization of the hourly average summer temperatures. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Torres Vedras, Portugal (5,895 miles away) and Wallaroo, Australia (7,617 miles) are the far-away foreign places with temperatures most similar to Punta del Este (view comparison).

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The summer in Punta del Este experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 31% throughout the season. The lowest chance of overcast or mostly cloudy conditions is 28% on January 8.

The clearest day of the summer is January 8, with clear, mostly clear, or partly cloudy conditions 71% of the time.

For reference, on June 25, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 52%, while on January 8, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 71%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Punta del Este, the chance of a wet day over the course of the summer is gradually increasing, starting the season at 26% and ending it at 28%.

For reference, the year's highest daily chance of a wet day is 32% on February 15, and its lowest chance is 21% on August 14.

Rainfall

To show variation within the season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the summer in Punta del Este is increasing, starting the season at 3.1 inches, when it rarely exceeds 5.8 inches or falls below 0.9 inches, and ending the season at 3.6 inches, when it rarely exceeds 7.3 inches or falls below 1.0 inches.

The lowest average 31-day accumulation is 2.8 inches on January 1.

Over the course of the summer in Punta del Este, the length of the day is rapidly decreasing. From the start to the end of the season, the length of the day decreases by 1 hour, 29 minutes, implying an average daily decrease of 1 minute, 0 seconds, and weekly decrease of 6 minutes, 58 seconds.

The shortest day of the summer is February 28, with 12 hours, 52 minutes of daylight and the longest day is December 21, with 14 hours, 31 minutes of daylight.

The earliest sunrise of the summer in Punta del Este is 5:18 AM on December 6 and the latest sunrise is 1 hour, 7 minutes later at 6:26 AM on February 28.

The latest sunset is 7:57 PM on January 6 and the earliest sunset is 40 minutes earlier at 7:17 PM on February 28.

Daylight saving time is not observed in Punta del Este during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:22 AM and sets 14 hours, 31 minutes later, at 7:53 PM, while on June 20, the shortest day of the year, it rises at 7:47 AM and sets 9 hours, 48 minutes later, at 5:35 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for the summer of 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Punta del Este is very rapidly increasing during the summer, rising from 12% to 42% over the course of the season.

The highest chance of a muggy day during the summer is 44% on February 9.

For reference, on February 9, the muggiest day of the year, there are muggy conditions 44% of the time, while on July 30, the least muggy day of the year, there are muggy conditions 0% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Punta del Este is essentially constant during the summer, remaining within 0.3 miles per hour of 12.2 miles per hour throughout.

For reference, on September 13, the windiest day of the year, the daily average wind speed is 12.6 miles per hour, while on May 5, the calmest day of the year, the daily average wind speed is 11.6 miles per hour.

The hourly average wind direction in Punta del Este throughout the summer is predominantly from the east, with a peak proportion of 45% on January 10.

Punta del Este is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature in Punta del Este is increasing during the summer, rising by 6°F, from 66°F to 72°F, over the course of the season.

The highest average surface water temperature during the summer is 72°F on February 18.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Temperatures in Punta del Este are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Punta del Este are very rapidly increasing during the summer, increasing by 1,833°F, from 1,191°F to 3,024°F, over the course of the season.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Punta del Este is rapidly decreasing during the summer, falling by 1.6 kWh, from 7.8 kWh to 6.2 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the summer is 8.0 kWh on January 1.

For the purposes of this report, the geographical coordinates of Punta del Este are -34.947 deg latitude, -54.934 deg longitude, and 49 ft elevation.

The topography within 2 miles of Punta del Este contains only modest variations in elevation, with a maximum elevation change of 233 feet and an average elevation above sea level of 34 feet. Within 10 miles contains only modest variations in elevation (502 feet). Within 50 miles contains significant variations in elevation (1,709 feet).

The area within 2 miles of Punta del Este is covered by water (47%), trees (23%), and artificial surfaces (22%), within 10 miles by water (65%) and grassland (20%), and within 50 miles by water (63%) and grassland (23%).