Honiara Weather in May
May in Honiara brings high temperatures around 28°C (82°F) during the day, dropping to 24°C (75°F) at night, and as part of the rainy season, heavy rainfall is common.
Rainfall in Honiara in May
As part of the rainy season, Honiara sees around 16 days of rain in May, with an average of 241 mm (9.5 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in Honiara in May
Expect highs of 28°C (82°F) in Honiara in May, with nights dropping to around 24°C (75°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Honiara in May
The days are predominantly sunny, with an estimated total of around 211 hours of sunshine. Rain is often only seen in the afternoon or evening, leaving clear skies for most of the day. This results in rainy months that still feel bright and are suitable for travel.
Average water temperature in May
At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.If you prefer dry days with pleasant temperatures, June and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 May
Min Temperature
24°C (75°F)
Max Temperature
28°C (82°F)
Water Temperature
28°C (82°F)
Chance of Rain
52%
Precipitation
241 mm (9.5 in)
Rainy days
16 days
Humidity
79%
Sunshine
211 hours
Percentage Sunshine
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Honiara typically stay consistent throughout May, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in May
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Honiara in May
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 May
Based on weather observations in Honiara between 2006 and 2026, these are the recorded extremes during May.
- The warmest day in May was on May 4, 2023, with a maximum of 35°C (95°F).
- Honiara experienced its chilliest May day on May 30, 2009, reaching only 25°C (77°F).
- Nighttime temperatures dropped to 20°C (68°F) on May 28, 2007, marking the coldest May night on record.
Best Places in Solomon Islands in May
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 May →
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What to Wear in Honiara in May
Warm weather calls for comfortable, breathable clothing in May. 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. The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Honiara in May
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.
