Solomon Islands weather in August 2025

Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Solomon Islands in August based on long-term weather averages. There is usually 13 days with some rainfall and 114 mm of average monthly rainfall in August.

  • 30°C maximum daytime temperature in August in Solomon Islands (Honiara)30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in August in Solomon Islands (Honiara)13
    13 days with some rainfall
  • 21°C minimum night-time temperature in August in Solomon Islands (Honiara)21
    21°C min night temperature
  • 12 hours of daylight per day in August in Solomon Islands (Honiara)12
    12 hours of daylight per day
  • High heat & humidity in August in Solomon Islands (Honiara)H
    High heat & humidity
  • 114 mm monthly rainfall in August in Solomon Islands (Honiara)114
    114 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Solomon Islands (Honiara)11
    11+ (Extreme) UV index
  • 28°C sea temperature in August in Solomon Islands (Honiara)28
    28°C sea temperature

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The August 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.

Top Solomon Islands destinations

Below are average maximum temperatures at popular countries, regions and places in the Solomon Islands in August. Select a holiday destination to see more weather parameters.

All Solomon Islands destinations

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

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How hot is it in the Solomon Islands in August?

Daytime temperatures usually reach 30°C in Honiara, Solomon Islands in August with high heat and humidity, falling to 21°C at night.

How sunny is it in the Solomon Islands in August?

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

How warm is the sea around the Solomon Islands in August?

The average sea temperature around Honiara, Solomon Islands in August is 28°C.

Does it rain in the Solomon Islands in August?

There are usually 13 days with some rain in Honiara, Solomon Islands in August and the average monthly rainfall is 114mm.

Solomon Islands August sunrise & sunset times

Browse the sunrise and sunset times for Solomon Islands in August 2025. Select a month to view Solomon Islands sunrise and sunset times for the next 12 months. The Solomon Islands sunrise and sunset times shown below are for Honiara.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:35 18:18
Saturday, 16th August 2025 06:30 18:19
Sunday, 31st August 2025 06:23 18:18

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