Spring Weather in Copa Peru

Daily high temperatures are around 64°F, rarely falling below 59°F or exceeding 67°F. The highest daily average high temperature is 64°F on September 25.

Daily low temperatures are around 40°F, rarely falling below 36°F or exceeding 44°F.

For reference, on September 20, the hottest day of the year, temperatures in Copa typically range from 41°F to 64°F, while on July 14, the coldest day of the year, they range from 36°F to 63°F.

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

Ferndale, United States (4,635 miles away) and Carmel Valley Village, United States (4,354 miles) are the far-away foreign places with temperatures most similar to Copa (view comparison).

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The spring in Copa experiences very rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 38% to 75%.

The clearest day of the spring is September 1, with clear, mostly clear, or partly cloudy conditions 62% of the time.

For reference, on February 19, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 87%, while on August 2, 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 Copa, the chance of a wet day over the course of the spring is very rapidly increasing, starting the season at 2% and ending it at 14%.

For reference, the year's highest daily chance of a wet day is 22% on March 8, and its lowest chance is 1% on August 3.

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 spring in Copa is increasing, starting the season at 0.1 inches, when it rarely exceeds 0.2 inches or falls below -0.0 inches, and ending the season at 0.7 inches, when it rarely exceeds 1.7 inches.

Over the course of the spring in Copa, the length of the day is increasing. From the start to the end of the season, the length of the day increases by 46 minutes, implying an average daily increase of 31 seconds, and weekly increase of 3 minutes, 35 seconds.

The shortest day of the spring is September 1, with 11 hours, 55 minutes of daylight and the longest day is November 30, with 12 hours, 41 minutes of daylight.

The latest sunrise of the spring in Copa is 6:10 AM on September 1 and the earliest sunrise is 36 minutes earlier at 5:35 AM on November 17.

The earliest sunset is 6:03 PM on October 6 and the latest sunset is 14 minutes later at 6:17 PM on November 30.

Daylight saving time is not observed in Copa during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:44 AM and sets 12 hours, 44 minutes later, at 6:28 PM, while on June 20, the shortest day of the year, it rises at 6:24 AM and sets 11 hours, 31 minutes later, at 5:55 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 spring 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 Copa is essentially constant during the spring, 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 Copa is essentially constant during the spring, remaining within 0.2 miles per hour of 4.0 miles per hour throughout.

For reference, on July 31, the windiest day of the year, the daily average wind speed is 4.4 miles per hour, while on March 26, the calmest day of the year, the daily average wind speed is 3.3 miles per hour.

The hourly average wind direction in Copa throughout the spring is predominantly from the east, with a peak proportion of 69% on September 1.

Copa 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 Copa is gradually increasing during the spring, rising by 2°F, from 63°F to 66°F, over the course of the season.

The lowest average surface water temperature during the spring is 62°F on October 3.

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 Copa typically lasts for 11 months (332 days), from around July 31 to around June 28, rarely starting after August 24, or ending before June 5.

The spring in Copa is reliably fully within the growing season.

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 Copa are increasing during the spring, increasing by 342°F, from 223°F to 564°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 Copa is essentially constant during the spring, remaining within 0.2 kWh of 6.7 kWh throughout.

The highest average daily incident shortwave solar energy during the spring is 7.0 kWh on September 26.

For the purposes of this report, the geographical coordinates of Copa are -10.388 deg latitude, -77.080 deg longitude, and 11,138 ft elevation.

The topography within 2 miles of Copa contains extreme variations in elevation, with a maximum elevation change of 7,277 feet and an average elevation above sea level of 10,904 feet. Within 10 miles also contains extreme variations in elevation (14,068 feet). Within 50 miles also contains extreme variations in elevation (21,375 feet).

The area within 2 miles of Copa is covered by shrubs (74%) and trees (15%), within 10 miles by shrubs (61%) and sparse vegetation (13%), and within 50 miles by shrubs (37%) and grassland (23%).