Port Moresby Weather in March

March in Port Moresby brings very high temperatures, with daytime highs of 30°C (86°F) and nights around 24°C (75°F). It's also the wettest month of the year, so an umbrella is a must.

Rainfall in Port Moresby in March

As part of the rainy season, Port Moresby sees around 19 days of rain in March, with an average of 294 mm (12 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Port Moresby in March

Temperatures in Port Moresby in March top out at 30°C (86°F) and drop to 24°C (75°F) overnight. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Port Moresby in March

With about 186 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

Average water temperature in March

With water at 28°C (82°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

If you're looking for dry conditions and comfortable temperatures, March may not be the ideal month to visit Port Moresby. Our weather planner can help you explore destinations with more pleasant weather conditions.

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For a detailed overview over the year and the best time to visit Papua New Guinea, check out our Port Moresby's climate page.

Port Moresby Temperature in March

Min Temperature 24°C (75°F)  

Max Temperature 30°C (86°F)  

Water Temperature 28°C (82°F)  

Chance of Rain 63%  

Precipitation 294 mm (12 in)  

Rainy days 19 days  

Humidity 80%  

Sunshine 186 hours  

Percentage Sunshine  

Daily Historical Temperatures

45-year average (1976-2025)

Based on our historical records, temperatures in Port Moresby typically stay consistent throughout March, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).

Average temperatures in March

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Historical weather for Port Moresby in March

Browse day-by-day weather records for Port Moresby spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Port Moresby historical weather extremes in March

According to our 20 years of weather records for Port Moresby, the following extremes were recorded between 2006 and 2026.

• The hottest March day on record in Port Moresby reached 36°C (97°F) (March 7, 2023).
• Port Moresby experienced its chilliest March day on March 19, 2018, reaching only 25°C (77°F).
• The coldest night in March in Port Moresby was on March 2, 2016, with a minimum of 18°C (64°F).
• The heaviest March precipitation occurred on March 1, 2013, when 200 mm (7.9 in) of precipitation fell.

What to Wear in Port Moresby in March

Warm temperatures in March make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Port Moresby in March

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Papua New Guinea, check out our Port Moresby's climate page.

More climate data for Port Moresby

Temperature Rainfall Sunshine Humidity Water Temp

See the full Port Moresby climate overview or explore weather in Papua New Guinea.