December Weather in Huayacundo Arma Peru

Daily high temperatures are around 55°F, rarely falling below 51°F or exceeding 60°F.

Daily low temperatures are around 37°F, rarely falling below 32°F or exceeding 40°F.

For reference, on March 31, the hottest day of the year, temperatures in Huayacundo Arma typically range from 37°F to 56°F, while on July 16, the coldest day of the year, they range from 31°F to 52°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on December. 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.

Ullapool, United Kingdom (6,316 miles away) and Waiouru, New Zealand (6,606 miles) are the far-away foreign places with temperatures most similar to Huayacundo Arma (view comparison).

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The month of December in Huayacundo Arma experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 72% to 78%.

The clearest day of the month is December 1, with clear, mostly clear, or partly cloudy conditions 28% of the time.

For reference, on February 23, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 85%, while on August 3, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 72%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Huayacundo Arma, the chance of a wet day over the course of December is gradually increasing, starting the month at 9% and ending it at 12%.

For reference, the year's highest daily chance of a wet day is 17% on February 16, and its lowest chance is 0% on July 24.

Rainfall

To 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 December in Huayacundo Arma is essentially constant, remaining about 0.4 inches throughout, and rarely exceeding 1.3 inches or falling below -0.0 inches.

Over the course of December in Huayacundo Arma, the length of the day is essentially constant. The shortest day of the month is December 1, with 12 hours, 52 minutes of daylight and the longest day is December 21, with 12 hours, 56 minutes of daylight.

The earliest sunrise of the month in Huayacundo Arma is 5:24 AM on December 1 and the latest sunrise is 13 minutes later at 5:37 AM on December 31.

The earliest sunset is 6:16 PM on December 1 and the latest sunset is 15 minutes later at 6:31 PM on December 31.

Daylight saving time is not observed in Huayacundo Arma during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:31 AM and sets 12 hours, 56 minutes later, at 6:27 PM, while on June 20, the shortest day of the year, it rises at 6:23 AM and sets 11 hours, 20 minutes later, at 5:42 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 December 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 Huayacundo Arma is essentially constant during December, remaining around 0% throughout.

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 Huayacundo Arma is essentially constant during December, remaining within 0.2 miles per hour of 6.1 miles per hour throughout.

For reference, on August 22, the windiest day of the year, the daily average wind speed is 6.4 miles per hour, while on March 29, the calmest day of the year, the daily average wind speed is 5.3 miles per hour.

The hourly average wind direction in Huayacundo Arma throughout December is predominantly from the south, with a peak proportion of 46% on December 1.

Huayacundo Arma 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 Huayacundo Arma is gradually increasing during December, rising by 3°F, from 65°F to 68°F, over the course of the month.

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 Huayacundo Arma typically lasts for 3.9 months (116 days), from around December 16 to around April 11, rarely starting before October 19 or after January 27, and rarely ending before February 29 or after May 14.

The month of December in Huayacundo Arma is very likely fully outside of the growing season, with the chance that a given day is in the growing season rapidly increasing from 36% to 64% 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 Huayacundo Arma are essentially constant during December, remaining within 16°F of 123°F throughout.

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 Huayacundo Arma is essentially constant during December, remaining within 0.2 kWh of 6.6 kWh throughout.

For the purposes of this report, the geographical coordinates of Huayacundo Arma are -13.536 deg latitude, -75.305 deg longitude, and 11,119 ft elevation.

The topography within 2 miles of Huayacundo Arma contains extreme variations in elevation, with a maximum elevation change of 4,419 feet and an average elevation above sea level of 11,397 feet. Within 10 miles also contains extreme variations in elevation (9,121 feet). Within 50 miles also contains extreme variations in elevation (16,778 feet).

The area within 2 miles of Huayacundo Arma is covered by shrubs (66%) and cropland (11%), within 10 miles by shrubs (43%) and sparse vegetation (17%), and within 50 miles by shrubs (26%) and bare soil (25%).