Goroka, Papua New Guinea experiences average highs of 23°C (73°F) and lows of 15°C (59°F) throughout the year. Rainfall is frequent, averaging about 24 rainy days per month. Average highs have stayed broadly stable across the available records.
Goroka, Papua New Guinea Weather & Climate 2026
Monthly climate averages for Goroka, Papua New Guinea. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: May–Oct 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
7/10
Best: June, July, August
UV Index
8
High
Temperature 23°C / 15°C
Feels Like 26°C / 17°C
Rainy Days 24
Rainfall 259 mm
Sunshine 8 h
Humidity 89%
Wind Speed 6 km/h
Dew Point 17°C
Hottest Month
23°C
October
Avg Low15°C
Rain24days
Coldest Month
15°C
July
Avg High22°C
Rain17days
Driest Month
16days
June
Avg High22°C
Avg Low15°C
Windiest Month
7 km/h
September (Gusts 30)
Worst Time to Visit
Consider avoiding January, March, November, December due to heavy rainfall.
Sun Position
Sunrise 06:27
Daylight 11.8h
Sunset 18:13
Live conditions—
Goroka on the map · live conditions
Goroka, Papua New Guinea
- Continent
- Oceania
- Country
- Papua New Guinea
- City
- Goroka
- Population
- 18.5K
- Coordinates
- -6.08°, 145.39°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 23°C
Avg Low 15°C
Rain 24 days/mo
Summer
Dec–Feb
Avg High 23°C
Avg Low 16°C
Rain 29 days/mo
Autumn
Mar–May
Avg High 23°C
Avg Low 16°C
Rain 27 days/mo
Winter
Jun–Aug
Avg High 22°C
Avg Low 15°C
Rain 17 days/mo
3/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 23°C / 16°C . Feb: 23°C / 16°C . Mar: 23°C / 16°C . Apr: 22°C / 16°C . May: 23°C / 16°C . Jun: 22°C / 15°C . Jul: 22°C / 15°C . Aug: 23°C / 15°C . Sep: 23°C / 15°C . Oct: 23°C / 15°C . Nov: 23°C / 15°C . Dec: 23°C / 16°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 390 mm. Feb: 500 mm. Mar: 402 mm. Apr: 323 mm. May: 163 mm. Jun: 97 mm. Jul: 99 mm. Aug: 120 mm. Sep: 144 mm. Oct: 186 mm. Nov: 287 mm. Dec: 400 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 90%. Feb: 92%. Mar: 92%. Apr: 92%. May: 90%. Jun: 88%. Jul: 87%. Aug: 87%. Sep: 86%. Oct: 88%. Nov: 89%. Dec: 91%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 6 km/h . Feb: 6 km/h . Mar: 6 km/h . Apr: 6 km/h . May: 6 km/h . Jun: 7 km/h . Jul: 7 km/h . Aug: 7 km/h . Sep: 7 km/h . Oct: 7 km/h . Nov: 6 km/h . Dec: 6 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 6h. Mar: 7h. Apr: 7h. May: 9h. Jun: 9h. Jul: 9h. Aug: 9h. Sep: 9h. Oct: 9h. Nov: 8h. Dec: 7h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 8. Feb: UV 8. Mar: UV 8. Apr: UV 8. May: UV 7. Jun: UV 7. Jul: UV 7. Aug: UV 8. Sep: UV 8. Oct: UV 9. Nov: UV 9. Dec: UV 8.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 134 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Oct 2025 · 24°C | Oct · 23°C |
| Coldest month | Aug 2025 · 15°C | Jul · 15°C |
| Wettest month | Feb 2025 · 396 mm | Feb · 500 mm |
| Windiest month | Sep 2025 · 8 km/h | Sep · 7 km/h |
Month-by-Month Weather Table
January
Wet 
February
Wet March
Wet April
Wet May
Wet June best
Excellent July best
Excellent August best
Excellent September
Wet October
Wet November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 23°C / 16°C | 26°C / 17°C | 28days (390 mm) Wet | 7.3h Good | 90% Very Muggy | 8.4 Very High | Wet | View Details |
| February | 23°C / 16°C | 26°C / 17°C | 28days (500 mm) Wet | 6.3h Fair | 92% Very Muggy | 8 Very High | Wet | View Details |
| March | 23°C / 16°C | 26°C / 17°C | 29days (402 mm) Wet | 6.7h Fair | 92% Very Muggy | 8.1 Very High | Wet | View Details |
| April | 22°C / 16°C | 26°C / 17°C | 28days (323 mm) Wet | 7h Good | 92% Very Muggy | 8 Very High | Wet | View Details |
| May | 23°C / 16°C | 26°C / 17°C | 23days (163 mm) Wet | 8.5h Good | 90% Very Muggy | 7.1 Very High | Wet | View Details |
| June best | 22°C / 15°C | 25°C / 16°C | 16days (97 mm) Wet | 9h Good | 88% Very Muggy | 7.1 Very High | Excellent | View Details |
| July best | 22°C / 15°C | 24°C / 16°C | 17days (99 mm) Wet | 8.9h Good | 87% Very Muggy | 6.9 High | Excellent | View Details |
| August best | 23°C / 15°C | 25°C / 16°C | 19days (120 mm) Wet | 9.2h Good | 87% Very Muggy | 7.7 Very High | Excellent | View Details |
| September | 23°C / 15°C | 26°C / 16°C | 21days (144 mm) Wet | 9.1h Good | 86% Very Muggy | 8.2 Very High | Wet | View Details |
| October | 23°C / 15°C | 26°C / 16°C | 24days (186 mm) Wet | 9h Good | 88% Very Muggy | 8.6 Very High | Wet | View Details |
| November | 23°C / 15°C | 26°C / 17°C | 26days (287 mm) Wet | 8.4h Good | 89% Very Muggy | 8.6 Very High | Wet | View Details |
| December | 23°C / 16°C | 26°C / 17°C | 30days (400 mm) Wet | 7.1h Good | 91% Very Muggy | 8.1 Very High | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Goroka are June, July, August, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Goroka, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Goroka is October, with average daytime highs of 23°C (74°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Goroka is July, with average overnight lows of 15°C (59°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Goroka is February, averaging 500mm of precipitation across 28 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Goroka runs through December, March, January, February, with the heaviest rainfall in December. Based on 10-year averages for Goroka.
Goroka receives approximately 96 sunshine hours per year. The sunniest month is August with around 9 hours. Based on climate data for Goroka.
The least favorable months to visit Goroka are January, March, November, December, primarily due to heavy rainfall. For the best conditions, consider June, July, August instead.
The annual average UV index in Goroka is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Goroka is 89%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Average wind speeds in Goroka are 6 km/h (4 mph). The windiest month is September with peak winds reaching 7 km/h (4 mph) (gusts up to 30 km/h / 19 mph).
Goroka averages 0 clear-sky days per month with overall cloud cover around 89%. The clearest skies occur in August.
The annual average dew point in Goroka is 17°C (63°F), which feels noticeably humid. Summer months may feel slightly sticky, but conditions remain manageable for most people.
Goroka has a Tropical Rainforest climate, classified as Af under the Köppen system. Tropical climates are warm year-round with high rainfall and temperatures rarely dropping below 18°C (64°F).
The 'feels like' temperature in Goroka ranges from 17°C (63°F) to 26°C (79°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
Yes, June is a great time to visit Goroka. It earns a climate score of 7.9/10 with Excellent.
For June in Goroka, pack Umbrella, Waterproof jacket, Waterproof shoes, Sunscreen (SPF 30+), Sunglasses. With average highs of 22°C (72°F) and 16 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
Last updated: