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Fall Weather in Goroka Papua New Guinea

Daily high temperatures are around 72°F, rarely falling below 69°F or exceeding 75°F.

Daily low temperatures are around 61°F, rarely falling below 58°F or exceeding 63°F. The highest daily average low temperature is 61°F on April 21.

For reference, on September 16, the hottest day of the year, temperatures in Goroka typically range from 60°F to 74°F, while on July 30, the coldest day of the year, they range from 59°F to 72°F.

Average High and Low Temperature in the Fall in Goroka

Average High and Low Temperature in the Fall in GorokaMarAprMay56°F56°F58°F58°F60°F60°F62°F62°F64°F64°F66°F66°F68°F68°F70°F70°F72°F72°F74°F74°F76°F76°FSummerWinterMar 172°FMar 172°F61°F61°FMay 3172°FMay 3172°F60°F60°FApr 172°FApr 172°F61°F61°FMay 172°FMay 172°F61°F61°F
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

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.

Average Hourly Temperature in the Fall in Goroka

Average Hourly Temperature in the Fall in GorokaMarAprMay12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMSummerWintercoolcoolcomfortable
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Tobosi, Costa Rica (9,061 miles away) is the far-away foreign place with temperatures most similar to Goroka (view comparison).

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The fall in Goroka experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 97% to 90%.

The clearest day of the fall is May 23, with clear, mostly clear, or partly cloudy conditions 10% of the time.

For reference, on January 22, 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 19%.

Cloud Cover Categories in the Fall in Goroka

Cloud Cover Categories in the Fall in GorokaMarAprMay0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SummerWinterMar 13%Mar 13%May 3110%May 3110%Apr 15%Apr 15%May 17%May 17%partly cloudymostly cloudyovercastmostly clear
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Goroka, the chance of a wet day over the course of the fall is very rapidly decreasing, starting the season at 47% and ending it at 33%.

For reference, the year's highest daily chance of a wet day is 49% on February 10, and its lowest chance is 25% on August 22.

Probability of Precipitation in the Fall in Goroka

Probability of Precipitation in the Fall in GorokaMarAprMay0%0%5%5%10%10%15%15%20%20%25%25%30%30%35%35%40%40%45%45%50%50%SummerWinterMar 147%Mar 147%May 3133%May 3133%Apr 147%Apr 147%May 137%May 137%rain
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

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 Goroka is very rapidly decreasing, starting the season at 7.8 inches, when it rarely exceeds 12.3 inches or falls below 3.8 inches, and ending the season at 5.1 inches, when it rarely exceeds 10.5 inches or falls below 1.1 inches.

The highest average 31-day accumulation is 8.4 inches on April 2.

Average Monthly Rainfall in the Fall in Goroka

Average Monthly Rainfall in the Fall in GorokaMarAprMay0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 in12 in12 in14 in14 in16 in16 inSummerWinterApr 28.4 inApr 28.4 inMar 17.8 inMar 17.8 inMay 315.1 inMay 315.1 inMay 16.7 inMay 16.7 in
The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.

Over the course of the fall in Goroka, the length of the day is gradually decreasing. From the start to the end of the season, the length of the day decreases by 25 minutes, implying an average daily decrease of 17 seconds, and weekly decrease of 1 minute, 57 seconds.

The shortest day of the fall is May 31, with 11 hours, 48 minutes of daylight and the longest day is March 1, with 12 hours, 13 minutes of daylight.

Hours of Daylight and Twilight in the Fall in Goroka

Hours of Daylight and Twilight in the Fall in GorokaMarAprMay0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSummerWinterMar 2012 hr, 7 minMar 2012 hr, 7 mindaydaydaydaynightMay 3111 hr, 48 minMay 3111 hr, 48 minMay 111 hr, 54 minMay 111 hr, 54 min
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The latest sunrise of the fall in Goroka is 6:24 AM on March 1 and the earliest sunrise is 5 minutes earlier at 6:18 AM on April 29.

The latest sunset is 6:37 PM on March 1 and the earliest sunset is 28 minutes earlier at 6:09 PM on May 22.

Daylight saving time is not observed in Goroka during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 6:02 AM and sets 12 hours, 29 minutes later, at 6:30 PM, while on June 20, the shortest day of the year, it rises at 6:26 AM and sets 11 hours, 46 minutes later, at 6:13 PM.

Sunrise & Sunset with Twilight in the Fall in Goroka

Sunrise & Sunset with Twilight in the Fall in GorokaMarAprMay2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMSummerWinter6:18 AM6:18 AMApr 296:12 PMApr 296:12 PM6:24 AM6:24 AMMar 16:37 PMMar 16:37 PM6:20 AM6:20 AMMay 226:09 PMMay 226:09 PM6:20 AM6:20 AMApr 16:23 PMApr 16:23 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day in the fall. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

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.

Solar Elevation and Azimuth in the Fall in Goroka

Solar Elevation and Azimuth in the Fall in GorokaMarAprMay12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMSummerWinter00102020303040505060607080001010203030404050606070
northeastsouthwest
Solar elevation and azimuth in the the fall of 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

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.

Moon Rise, Set & Phases in the Fall in Goroka

Moon Rise, Set & Phases in the Fall in GorokaMarAprMay12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSummerWinterFeb 109:00 AMFeb 109:00 AMFeb 2410:31 PMFeb 2410:31 PMMar 107:01 PMMar 107:01 PMMar 255:01 PMMar 255:01 PMApr 94:22 AMApr 94:22 AMApr 249:50 AMApr 249:50 AMMay 81:23 PMMay 81:23 PMMay 2311:54 PMMay 2311:54 PMJun 610:38 PMJun 610:38 PMJun 2211:09 AMJun 2211:09 AM7:08 PM7:08 PM6:36 PM6:36 PM6:45 AM6:45 AM6:33 PM6:33 PM6:27 PM6:27 PM6:49 AM6:49 AM6:27 AM6:27 AM6:44 PM6:44 PM5:41 PM5:41 PM6:13 AM6:13 AM6:03 AM6:03 AM6:13 PM6:13 PM5:48 PM5:48 PM6:37 AM6:37 AM5:51 PM5:51 PM5:25 PM5:25 PM6:22 AM6:22 AM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

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 Goroka is essentially constant during the fall, remaining within 3% of 11% throughout.

The highest chance of a muggy day during the fall is 14% on April 24.

For reference, on April 24, the muggiest day of the year, there are muggy conditions 14% of the time, while on August 19, the least muggy day of the year, there are muggy conditions 1% of the time.

Humidity Comfort Levels in the Fall in Goroka

Humidity Comfort Levels in the Fall in GorokaMarAprMay0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SummerWinterApr 2414%Apr 2414%Mar 110%Mar 110%May 319%May 319%Apr 113%Apr 113%muggymuggyhumidhumidcomfortablecomfortable
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

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 Goroka is essentially constant during the fall, remaining within 0.1 miles per hour of 2.1 miles per hour throughout.

For reference, on September 4, the windiest day of the year, the daily average wind speed is 2.2 miles per hour, while on November 29, the calmest day of the year, the daily average wind speed is 2.0 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 2.0 miles per hour on April 19.

Average Wind Speed in the Fall in Goroka

Average Wind Speed in the Fall in GorokaMarAprMay0.0 mph0.0 mph0.5 mph0.5 mph1.0 mph1.0 mph1.5 mph1.5 mph2.0 mph2.0 mph2.5 mph2.5 mph3.0 mph3.0 mph3.5 mph3.5 mphSummerWinterMar 12.2 mphMar 12.2 mphApr 192.0 mphApr 192.0 mphMay 312.0 mphMay 312.0 mphApr 12.0 mphApr 12.0 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The wind direction in Goroka during the fall is predominantly out of the north from March 1 to May 13 and the east from May 13 to May 31.

Wind Direction in the Fall in Goroka

Wind Direction in the Fall in GorokaNEMarAprMay0%100%20%80%40%60%60%40%80%20%100%0%SummerWinterwestsoutheastnorth
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

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 Goroka 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.

Time Spent in Various Temperature Bands and the Growing Season in the Fall in Goroka

Time Spent in Various Temperature Bands and the Growing Season in the Fall in GorokaMarAprMay0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SummerWinter100%Apr 16100%Apr 16coolcomfortable
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is 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 Goroka are very rapidly increasing during the fall, increasing by 1,415°F, from 3,809°F to 5,224°F, over the course of the season.

Growing Degree Days in the Fall in Goroka

Growing Degree Days in the Fall in GorokaMarAprMay3,600°F3,600°F3,800°F3,800°F4,000°F4,000°F4,200°F4,200°F4,400°F4,400°F4,600°F4,600°F4,800°F4,800°F5,000°F5,000°F5,200°F5,200°F5,400°F5,400°FSummerWinterMar 13,809°FMar 13,809°FMay 315,224°FMay 315,224°FApr 14,288°FApr 14,288°FMay 14,759°FMay 14,759°F
The average growing degree days accumulated over the course of the fall, with 25th to 75th and 10th to 90th percentile bands.

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 Goroka 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.

Average Daily Incident Shortwave Solar Energy in the Fall in Goroka

Average Daily Incident Shortwave Solar Energy in the Fall in GorokaMarAprMay0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWhSummerWinterMar 24.6 kWhMar 24.6 kWhMay 54.0 kWhMay 54.0 kWhMay 314.1 kWhMay 314.1 kWhApr 14.3 kWhApr 14.3 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Goroka are -6.083 deg latitude, 145.387 deg longitude, and 5,187 ft elevation.

The topography within 2 miles of Goroka contains very significant variations in elevation, with a maximum elevation change of 1,083 feet and an average elevation above sea level of 5,103 feet. Within 10 miles contains very significant variations in elevation (7,156 feet). Within 50 miles also contains extreme variations in elevation (14,623 feet).

The area within 2 miles of Goroka is covered by trees (41%), cropland (29%), shrubs (18%), and grassland (11%), within 10 miles by trees (59%) and cropland (15%), and within 50 miles by trees (77%).

This report illustrates the typical weather in Goroka, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Goroka is further than 200 kilometers from the nearest reliable weather station, so the weather-related data on this page were taken entirely from NASA's MERRA-2 satellite-era reanalysis . 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.

The temperature and dew point estimates are corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of Goroka, according to the International Standard Atmosphere .

All 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.

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.

Disclaimer

The 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.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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