Winter Weather in Valdivia Chile

Daily high temperatures are around 54°F, rarely falling below 47°F or exceeding 60°F. The lowest daily average high temperature is 52°F on July 16.

Daily low temperatures are around 42°F, rarely falling below 31°F or exceeding 51°F. The lowest daily average low temperature is 41°F on July 17.

For reference, on February 5, the hottest day of the year, temperatures in Valdivia typically range from 50°F to 72°F, while on July 17, the coldest day of the year, they range from 41°F to 52°F.

The figure below shows you a compact characterization of the hourly average winter 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.

New Norfolk, Australia (6,206 miles away) is the far-away foreign place with temperatures most similar to Valdivia (view comparison).

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The winter in Valdivia experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 70% to 61%. The highest chance of overcast or mostly cloudy conditions is 72% on June 21.

The clearest day of the winter is August 31, with clear, mostly clear, or partly cloudy conditions 39% of the time.

For reference, on June 21, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 72%, while on February 10, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 79%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Valdivia, the chance of a wet day over the course of the winter is very rapidly decreasing, starting the season at 53% and ending it at 39%.

For reference, the year's highest daily chance of a wet day is 54% on May 30, and its lowest chance is 13% on February 8.

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 winter in Valdivia is very rapidly decreasing, starting the season at 7.6 inches, when it rarely exceeds 13.9 inches or falls below 2.9 inches, and ending the season at 4.4 inches, when it rarely exceeds 7.1 inches or falls below 2.1 inches.

The highest average 31-day accumulation is 7.6 inches on June 6.

Over the course of the winter in Valdivia, the length of the day is rapidly increasing. From the start to the end of the season, the length of the day increases by 1 hour, 42 minutes, implying an average daily increase of 1 minute, 7 seconds, and weekly increase of 7 minutes, 50 seconds.

The shortest day of the winter is June 20, with 9 hours, 21 minutes of daylight and the longest day is August 31, with 11 hours, 13 minutes of daylight.

The latest sunrise of the winter in Valdivia is 8:15 AM on June 27 and the earliest sunrise is 58 minutes earlier at 7:16 AM on August 31.

The earliest sunset is 5:34 PM on June 13 and the latest sunset is 56 minutes later at 6:29 PM on August 31.

Daylight saving time is observed in Valdivia during 2024, but it neither starts nor ends during the winter, so the entire season is in daylight saving time.

For reference, on December 21, the longest day of the year, the Sun rises at 6:21 AM and sets 15 hours, 0 minutes later, at 9:21 PM, while on June 20, the shortest day of the year, it rises at 8:14 AM and sets 9 hours, 21 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 winter 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 Valdivia is essentially constant during the winter, remaining around 0% throughout.

For reference, on March 19, the muggiest day of the year, there are muggy conditions 0% of the time, while on May 4, 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 Valdivia is essentially constant during the winter, remaining within 0.1 miles per hour of 6.7 miles per hour throughout.

For reference, on July 3, the windiest day of the year, the daily average wind speed is 6.8 miles per hour, while on April 19, the calmest day of the year, the daily average wind speed is 5.7 miles per hour.

The highest daily average wind speed during the winter is 6.8 miles per hour on July 3.

The hourly average wind direction in Valdivia throughout the winter is predominantly from the north, with a peak proportion of 43% on July 20.

Valdivia 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 Valdivia is gradually decreasing during the winter, falling by 2°F, from 54°F to 52°F, over the course of the season.

The lowest average surface water temperature during the winter is 52°F on August 8.

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).

The growing season in Valdivia typically lasts for 8.6 months (261 days), from around September 1 to around May 20, rarely starting before July 28 or after September 29, and rarely ending before April 17 or after June 24.

The winter in Valdivia is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season reaching a low of 6% on July 15.

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 Valdivia are very rapidly decreasing during the winter, decreasing by 1,619°F, from 1,681°F to 62°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 Valdivia is increasing during the winter, rising by 1.5 kWh, from 1.5 kWh to 3.0 kWh, over the course of the season.

The lowest average daily incident shortwave solar energy during the winter is 1.3 kWh on June 28.

For the purposes of this report, the geographical coordinates of Valdivia are -39.814 deg latitude, -73.246 deg longitude, and 56 ft elevation.

The topography within 2 miles of Valdivia contains only modest variations in elevation, with a maximum elevation change of 312 feet and an average elevation above sea level of 35 feet. Within 10 miles contains only modest variations in elevation (2,385 feet). Within 50 miles contains large variations in elevation (4,537 feet).

The area within 2 miles of Valdivia is covered by shrubs (39%), trees (27%), and water (23%), within 10 miles by trees (71%) and water (16%), and within 50 miles by water (44%) and trees (42%).