Fall Weather in Kainantu Papua New Guinea

Daily high temperatures are around 71°F, rarely falling below 68°F or exceeding 73°F.

Daily low temperatures are around 59°F, rarely falling below 56°F or exceeding 62°F. The highest daily average low temperature is 60°F on April 15.

For reference, on October 16, the hottest day of the year, temperatures in Kainantu typically range from 59°F to 73°F, while on July 29, the coldest day of the year, they range from 57°F to 71°F.

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

Boquete, Panama (9,136 miles away) and La Playa, Colombia (9,765 miles) are the far-away foreign places with temperatures most similar to Kainantu (view comparison).

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The fall in Kainantu experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 97% to 88%.

The clearest day of the fall is May 31, with clear, mostly clear, or partly cloudy conditions 12% of the time.

For reference, on January 18, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 97%, while on August 15, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 21%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Kainantu, the chance of a wet day over the course of the fall is very rapidly decreasing, starting the season at 44% and ending it at 30%.

For reference, the year's highest daily chance of a wet day is 47% on February 4, and its lowest chance is 23% on August 20.

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 fall in Kainantu is very rapidly decreasing, starting the season at 7.5 inches, when it rarely exceeds 12.3 inches or falls below 3.6 inches, and ending the season at 4.7 inches, when it rarely exceeds 10.7 inches or falls below 0.8 inches.

The highest average 31-day accumulation is 7.9 inches on April 2.

Over the course of the fall in Kainantu, the length of the day is gradually decreasing. From the start to the end of the season, the length of the day decreases by 26 minutes, implying an average daily decrease of 17 seconds, and weekly decrease of 2 minutes, 2 seconds.

The shortest day of the fall is May 31, with 11 hours, 47 minutes of daylight and the longest day is March 1, with 12 hours, 13 minutes of daylight.

The latest sunrise of the fall in Kainantu is 6:22 AM on March 1 and the earliest sunrise is 5 minutes earlier at 6:16 AM on April 29.

The latest sunset is 6:35 PM on March 1 and the earliest sunset is 28 minutes earlier at 6:07 PM on May 23.

Daylight saving time is not observed in Kainantu during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:59 AM and sets 12 hours, 29 minutes later, at 6:29 PM, while on June 20, the shortest day of the year, it rises at 6:25 AM and sets 11 hours, 46 minutes later, at 6:10 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 fall 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 Kainantu is gradually decreasing during the fall, falling from 12% to 8% over the course of the season.

The highest chance of a muggy day during the fall is 16% on April 18.

For reference, on April 18, the muggiest day of the year, there are muggy conditions 16% of the time, while on August 18, the least muggy day of the year, there are muggy conditions 1% 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 Kainantu is essentially constant during the fall, remaining within 0.1 miles per hour of 2.0 miles per hour throughout.

For reference, on August 16, the windiest day of the year, the daily average wind speed is 2.3 miles per hour, while on November 29, the calmest day of the year, the daily average wind speed is 1.9 miles per hour.

The highest daily average wind speed during the fall is 2.2 miles per hour on March 1. The lowest daily average wind speed during the fall is 1.9 miles per hour on April 19.

The wind direction in Kainantu during the fall is predominantly out of the north from March 1 to April 25 and the east from April 25 to May 31.

Kainantu 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 Kainantu is essentially constant during the fall, remaining around 84°F throughout.

The highest average surface water temperature during the fall is 85°F on April 12.

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 Kainantu 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 Kainantu are very rapidly increasing during the fall, increasing by 1,296°F, from 3,496°F to 4,792°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 Kainantu is essentially constant during the fall, remaining within 0.3 kWh of 4.3 kWh throughout.

The highest average daily incident shortwave solar energy during the fall is 4.6 kWh on March 2. The lowest average daily incident shortwave solar energy during the fall is 4.0 kWh on May 5.

For the purposes of this report, the geographical coordinates of Kainantu are -6.289 deg latitude, 145.865 deg longitude, and 5,167 ft elevation.

The topography within 2 miles of Kainantu contains significant variations in elevation, with a maximum elevation change of 666 feet and an average elevation above sea level of 5,250 feet. Within 10 miles contains significant variations in elevation (6,818 feet). Within 50 miles also contains extreme variations in elevation (13,202 feet).

The area within 2 miles of Kainantu is covered by trees (42%), cropland (37%), and grassland (12%), within 10 miles by trees (55%) and cropland (20%), and within 50 miles by trees (75%).