Honiara Weather in March
During March, Honiara experiences high daytime temperatures of 29°C (84°F) and cooler nights around 24°C (75°F). March sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Honiara in March
Honiara is in the rainy season in March, with rain on around 22 days and an average of 372 mm (15 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Honiara in March
If you're visiting Honiara in March, expect highs of 29°C (84°F) and overnight lows around 24°C (75°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Honiara in March
Expect a lot of sunshine this month, with about 199 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.
Average water temperature in March
With water at 29°C (84°F), conditions are warm and calm. Perfect for those who like tropical water temperatures, though it won't cool you down much.If you prefer dry days with pleasant temperatures, March may not be the ideal month to visit Honiara. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Solomon Islands, check out our Honiara's climate page.
Honiara Temperature in March
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Honiara typically stay consistent throughout March, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Honiara in March
Browse day-by-day weather records for Honiara spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Honiara historical weather extremes in March
Based on 20 years of weather observations in Honiara between 2006 and 2026, these are the recorded extremes.
- On March 19, 2007, temperatures climbed to 35°C (95°F), marking the warmest March day on record.
- The coldest March day was on March 20, 2009, with a maximum of 25°C (77°F).
- Nighttime temperatures dropped to 21°C (70°F) on March 3, 2019, marking the coldest March night on record.
- The heaviest March precipitation occurred on March 1, 2018, when 212 mm (8.3 in) of precipitation fell.
Best Places in Solomon Islands in March
Find out more about the weather in Solomon Islands and which places have the best travel conditions in this month. See all of Solomon Islands in March →
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What to Wear in Honiara in March
Warm weather calls for comfortable, breathable clothing in March. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. With water temperatures around 29°C (84°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Honiara in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Solomon Islands, check out our Honiara's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Honiara climate overview or explore weather in Solomon Islands.