October Weather in Puerto Natales ChileDaily high temperatures increase by 3°F, from 52°F to 54°F, rarely falling below 46°F or exceeding 61°F. Daily low temperatures increase by 3°F, from 40°F to 43°F, rarely falling below 34°F or exceeding 48°F. For reference, on January 30, the hottest day of the year, temperatures in Puerto Natales typically range from 49°F to 61°F, while on July 1, the coldest day of the year, they range from 33°F to 41°F. The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on October. 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. Spean Bridge, United Kingdom (8,432 miles away) is the far-away foreign place with temperatures most similar to Puerto Natales (view comparison). CloudsThe month of October in Puerto Natales experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 58% throughout the month. The clearest day of the month is October 13, with clear, mostly clear, or partly cloudy conditions 43% of the time. For reference, on June 25, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 66%, while on September 20, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 44%. PrecipitationA wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Puerto Natales, the chance of a wet day over the course of October is gradually increasing, starting the month at 28% and ending it at 31%. For reference, the year's highest daily chance of a wet day is 42% on December 26, and its lowest chance is 26% on September 24. RainfallTo show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day. The average sliding 31-day rainfall during October in Puerto Natales is essentially constant, remaining about 1.4 inches throughout, and rarely exceeding 3.0 inches or falling below 0.5 inches. SunOver the course of October in Puerto Natales, the length of the day is rapidly increasing. From the start to the end of the month, the length of the day increases by 1 hour, 57 minutes, implying an average daily increase of 3 minutes, 54 seconds, and weekly increase of 27 minutes, 18 seconds. The shortest day of the month is October 1, with 12 hours, 47 minutes of daylight and the longest day is October 31, with 14 hours, 44 minutes of daylight. The latest sunrise of the month in Puerto Natales is 7:16 AM on October 1 and the earliest sunrise is 1 hour, 4 minutes earlier at 6:12 AM on October 31. The earliest sunset is 8:03 PM on October 1 and the latest sunset is 53 minutes later at 8:56 PM on October 31. Daylight saving time is observed in Puerto Natales during 2024, but it neither starts nor ends during October, so the entire month is in standard time. For reference, on December 21, the longest day of the year, the Sun rises at 5:27 AM and sets 16 hours, 41 minutes later, at 10:08 PM, while on June 20, the shortest day of the year, it rises at 8:58 AM and sets 7 hours, 47 minutes later, at 4:45 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. MoonThe figure below presents a compact representation of key lunar data for October 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.
HumidityWe 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 Puerto Natales is essentially constant during October, remaining around 0% throughout. For reference, on March 17, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time. WindThis 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 Puerto Natales is rapidly increasing during October, increasing from 13.5 miles per hour to 16.1 miles per hour over the course of the month. For reference, on November 27, the windiest day of the year, the daily average wind speed is 16.7 miles per hour, while on May 24, the calmest day of the year, the daily average wind speed is 11.0 miles per hour. The hourly average wind direction in Puerto Natales throughout October is predominantly from the west, with a peak proportion of 82% on October 31. Water TemperaturePuerto Natales 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 Puerto Natales is gradually increasing during October, rising by 2°F, from 43°F to 46°F, over the course of the month. Growing SeasonDefinitions 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 Puerto Natales typically lasts for 8.1 months (246 days), from around September 9 to around May 13, rarely starting before August 6 or after October 31, and rarely ending before April 11 or after June 10. The month of October in Puerto Natales is very likely fully outside of the growing season, with the chance that a given day is in the growing season increasing from 70% to 90% over the course of the month. 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 Puerto Natales are essentially constant during October, remaining within 16°F of 27°F throughout. Solar EnergyThis 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 Puerto Natales is increasing during October, rising by 1.3 kWh, from 3.5 kWh to 4.8 kWh, over the course of the month. TopographyFor the purposes of this report, the geographical coordinates of Puerto Natales are -51.724 deg latitude, -72.487 deg longitude, and 92 ft elevation. The topography within 2 miles of Puerto Natales contains only modest variations in elevation, with a maximum elevation change of 430 feet and an average elevation above sea level of 129 feet. Within 10 miles contains only modest variations in elevation (3,048 feet). Within 50 miles contains large variations in elevation (7,254 feet). The area within 2 miles of Puerto Natales is covered by water (34%), shrubs (31%), trees (19%), and grassland (17%), within 10 miles by trees (41%) and water (30%), and within 50 miles by trees (31%) and shrubs (29%). Data SourcesThis report illustrates the typical weather in Puerto Natales, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. Temperature and Dew PointThere is only a single weather station, Lago Argentino Aerodrome, in our network suitable to be used as a proxy for the historical temperature and dew point records of Puerto Natales. At a distance of 155 kilometers from Puerto Natales, further than our threshold of 150 kilometers, this station is deemed insufficiently nearby to be relied upon as our primary source for temperature and dew point records. Consequently, the station records are blended with interpolated values from NASA's MERRA-2 satellite-era reanalysis , and both are corrected for elevation differences according to the International Standard Atmosphere . The weight assigned to the MERRA-2 value depends on the distance from Puerto Natales to the nearest station, increasing from 0% at 150 kilometers to 100% at 200 kilometers. In this case, the MERRA-2 weight is 10%, making the weight assigned to the weather station 90%. Other DataAll data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . Time zones for airports and weather stations are provided by AskGeo.com . Maps are © OpenStreetMap contributors. DisclaimerThe information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. 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