Honiara weather in May 2025

Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Honiara in May. Check more long-term weather averages for Honiara in May before you book your next holiday to Solomon Islands in 2025/2026.

  • 30°C maximum daytime temperature in May in Honiara30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in May in Honiara15
    15 days with some rainfall
  • 22°C minimum night-time temperature in May in Honiara22
    22°C min night temperature
  • 12 hours of daylight per day in May in Honiara12
    12 hours of daylight per day
  • High heat & humidity in May in HoniaraH
    High heat & humidity
  • 139 mm monthly rainfall in May in Honiara139
    139 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in May in Honiara10
    10 (Very High) UV index
  • 29°C sea temperature in May in Honiara29
    29°C sea temperature

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The May weather guide for Solomon Islands (Honiara) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Honiara in May?

Daytime temperatures usually reach 30°C in Honiara in May with high heat and humidity, falling to 22°C at night.

How sunny is it in Honiara in May?

There are normally 6 hours of bright sunshine each day in Honiara in May - that's 50% of daylight hours.

How warm is the sea around Honiara in May?

The average sea temperature around Honiara in May is 29°C.

Does it rain in Honiara in May?

There are usually 15 days with some rain in Honiara in May and the average monthly rainfall is 139mm.

What is the chance of a cyclone in Honiara in May?

On average less than 1 day in May in Honiara is likely to be affected by the passage of one or more tropical storms.

Honiara May sunrise & sunset times

Browse the sunrise and sunset times for Honiara in May 2025. Select a month to view Honiara sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 06:24 18:10
Friday, 16th May 2025 06:26 18:07
Saturday, 31st May 2025 06:30 18:06

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