Arawa, Papua New Guinea experiences average highs of 29°C (84°F) and lows of 25°C (77°F) throughout the year. Rainfall is frequent, averaging about 29 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. High humidity combined with warm temperatures produces a tropical feel year-round. Average highs have stayed broadly stable across the available records.
Arawa, Papua New Guinea Weather & Climate 2026
Monthly climate averages for Arawa, Papua New Guinea. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Jul At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
2.1/10
Best: July, August
UV Index
8
High
Temperature 29°C / 25°C
Feels Like 36°C / 30°C
Rainy Days 29
Rainfall 360 mm
Sunshine 9 h
Humidity 90%
Wind Speed 8 km/h
Dew Point 25°C
Hottest Month
29°C
January
Avg Low25°C
Rain28days
Coldest Month
24°C
August
Avg High28°C
Rain29days
Driest Month
27days
February
Avg High29°C
Avg Low25°C
Windiest Month
9 km/h
September (Gusts 33)
Sea Temperature
30°C – 31°C
Warmest water: January (
31°C
)
Worst Time to Visit
Consider avoiding February, March, November, December due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 06:47
Daylight 11.8h
Sunset 18:32
Live conditions—
Arawa on the map · live conditions
Arawa, Papua New Guinea
- Continent
- Oceania
- Country
- Papua New Guinea
- City
- Arawa
- Population
- 40.3K
- Coordinates
- -6.23°, 155.57°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 29°C
Avg Low 24°C
Rain 28 days/mo
Summer
Dec–Feb
Avg High 29°C
Avg Low 25°C
Rain 28 days/mo
Autumn
Mar–May
Avg High 29°C
Avg Low 25°C
Rain 29 days/mo
Winter
Jun–Aug
Avg High 28°C
Avg Low 24°C
Rain 29 days/mo
2/3 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: 29°C / 25°C . Feb: 29°C / 25°C . Mar: 29°C / 25°C . Apr: 29°C / 25°C . May: 29°C / 25°C . Jun: 29°C / 25°C . Jul: 28°C / 24°C . Aug: 28°C / 24°C . Sep: 28°C / 24°C . Oct: 29°C / 25°C . Nov: 29°C / 25°C . Dec: 29°C / 25°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 355 mm. Feb: 307 mm. Mar: 408 mm. Apr: 382 mm. May: 355 mm. Jun: 284 mm. Jul: 355 mm. Aug: 399 mm. Sep: 361 mm. Oct: 330 mm. Nov: 387 mm. Dec: 393 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 89%. Feb: 89%. Mar: 89%. Apr: 90%. May: 90%. Jun: 90%. Jul: 90%. Aug: 90%. Sep: 90%. Oct: 89%. Nov: 89%. Dec: 89%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 7 km/h . Feb: 8 km/h . Mar: 7 km/h . Apr: 7 km/h . May: 8 km/h . Jun: 8 km/h . Jul: 9 km/h . Aug: 9 km/h . Sep: 9 km/h . Oct: 8 km/h . Nov: 7 km/h . Dec: 7 km/h .
Sunshine
Sunshine
Sunshine: Jan: 9h. Feb: 9h. Mar: 9h. Apr: 8h. May: 9h. Jun: 9h. Jul: 8h. Aug: 8h. Sep: 9h. Oct: 9h. Nov: 9h. Dec: 9h.
Sea Temperature
Sea Temperature
Line chart showing monthly sea temperature. Jan: 31°C . Feb: 31°C . Mar: 31°C . Apr: 31°C . May: 31°C . Jun: 31°C . Jul: 30°C . Aug: 30°C . Sep: 30°C . Oct: 31°C . Nov: 31°C . Dec: 31°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 8. Feb: UV 9. Mar: UV 8. Apr: UV 8. May: UV 7. Jun: UV 7. Jul: UV 7. Aug: UV 7. Sep: UV 8. Oct: UV 9. Nov: UV 8. Dec: UV 8.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 65 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jan 2025 · 30°C | Jan · 29°C |
| Coldest month | Aug 2025 · 24°C | Aug · 24°C |
| Wettest month | Apr 2025 · 462 mm | Mar · 408 mm |
| Windiest month | Feb 2025 · 9 km/h | Sep · 9 km/h |
Month-by-Month Weather Table
January
Wet 
February
Wet March
Wet April
Wet May
Wet June
Wet July best
Wet August best
Wet September
Wet October
Wet November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 29°C / 25°C | 37°C / 31°C | 28days (355 mm) Wet | 9.3h Good | 89% Very Muggy | 7.9 Very High | Wet | View Details |
| February | 29°C / 25°C | 37°C / 31°C | 27days (307 mm) Wet | 9h Good | 89% Very Muggy | 8.6 Very High | Wet | View Details |
| March | 29°C / 25°C | 37°C / 30°C | 29days (408 mm) Wet | 8.6h Good | 89% Very Muggy | 8.4 Very High | Wet | View Details |
| April | 29°C / 25°C | 36°C / 30°C | 29days (382 mm) Wet | 8.3h Good | 90% Very Muggy | 8 Very High | Wet | View Details |
| May | 29°C / 25°C | 36°C / 30°C | 30days (355 mm) Wet | 8.9h Good | 90% Very Muggy | 7.2 Very High | Wet | View Details |
| June | 29°C / 25°C | 35°C / 30°C | 28days (284 mm) Wet | 8.7h Good | 90% Very Muggy | 6.5 High | Wet | View Details |
| July best | 28°C / 24°C | 35°C / 30°C | 30days (355 mm) Wet | 8.4h Good | 90% Very Muggy | 6.6 High | Wet | View Details |
| August best | 28°C / 24°C | 35°C / 29°C | 29days (399 mm) Wet | 8.4h Good | 90% Very Muggy | 7 High | Wet | View Details |
| September | 28°C / 24°C | 35°C / 29°C | 28days (361 mm) Wet | 8.7h Good | 90% Very Muggy | 7.8 Very High | Wet | View Details |
| October | 29°C / 25°C | 36°C / 30°C | 29days (330 mm) Wet | 9.3h Good | 89% Very Muggy | 8.5 Very High | Wet | View Details |
| November | 29°C / 25°C | 37°C / 30°C | 28days (387 mm) Wet | 8.9h Good | 89% Very Muggy | 8.4 Very High | Wet | View Details |
| December | 29°C / 25°C | 37°C / 31°C | 29days (393 mm) Wet | 8.6h Good | 89% Very Muggy | 8.2 Very High | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Arawa are July, August, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Arawa, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Arawa is January, with average daytime highs of 29°C (85°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Arawa is August, with average overnight lows of 24°C (76°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Arawa is March, averaging 408mm of precipitation across 29 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Arawa runs through May, July, March, April, with the heaviest rainfall in May. Based on 10-year averages for Arawa.
Arawa receives approximately 105 sunshine hours per year. The sunniest month is January with around 9 hours. Based on climate data for Arawa.
The least favorable months to visit Arawa are February, March, November, December, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider July, August instead.
The annual average UV index in Arawa is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Arawa is 90%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Yes — sea temperatures in January, February, March, April, May, June, July, August, September, October, November, December average 31°C (88°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Arawa are 8 km/h (5 mph). The windiest month is September with peak winds reaching 9 km/h (6 mph) (gusts up to 33 km/h / 20 mph).
Arawa averages 0 clear-sky days per month with overall cloud cover around 85%. The clearest skies occur in June.
The annual average dew point in Arawa is 25°C (77°F), which feels oppressively humid. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Arawa 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 Arawa ranges from 30°C (86°F) to 36°C (97°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
June is not the best time to visit Arawa, with a climate score of 2.1/10. Consider visiting during July, August instead for better conditions.
For June in Arawa, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 29°C (83°F) and 28 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.
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