Honiara
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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.

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

Honiara Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Honiara - and find the best time to visit.

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 records 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 →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    8/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Honiara 3-Day Forecast

Popular in May

Where to go in May - average daytime high across popular destinations.

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