Rennell weather in January 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Rennell in January. Check more long-term weather averages for Rennell in January before you book your next holiday to Solomon Islands in 2025/2026.

  • 31°C maximum daytime temperature in January in Rennell31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in January in Rennell19
    19 days with some rainfall
  • 23°C minimum night-time temperature in January in Rennell23
    23°C min night temperature
  • 13 hours of daylight per day in January in Rennell13
    13 hours of daylight per day
  • High heat & humidity in January in RennellH
    High heat & humidity
  • 294 mm monthly rainfall in January in Rennell294
    294 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Rennell11
    11+ (Extreme) UV index
  • 29°C sea temperature in January in Rennell29
    29°C sea temperature

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The January weather guide for Solomon Islands (Rennell) 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 Rennell in January?

Daytime temperatures usually reach 31°C in Rennell in January with high heat and humidity, falling to 23°C at night.

How sunny is it in Rennell in January?

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

How warm is the sea around Rennell in January?

The average sea temperature around Rennell in January is 29°C.

Does it rain in Rennell in January?

There are usually 19 days with some rain in Rennell in January and the average monthly rainfall is 294mm.

What is the chance of a cyclone in Rennell in January?

On average 1 day in January in Rennell is likely to be affected by the passage of one or more tropical storms.

Rennell January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 05:59 18:47
Thursday, 16th January 2025 06:08 18:51
Friday, 31st January 2025 06:15 18:51

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