Rarotonga Weather in January
Cook Islands · 30-year monthly averages
🤔 Fair time to visit
January in Rarotonga is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 23°C (74°F). Expect roughly 256mm of precipitation, and heavy rainfall is common — this is peak wet season territory.
Avg high
29°C
84°F
Avg low
23°C
74°F
Rainfall
256mm
very wet
Mean temp
26°C
79°F
🎒 What to pack
- light summer clothing
- sunscreen and sunglasses
- compact umbrella or rain jacket
January vs the rest of the year
FAQ
- How hot is Rarotonga in January?
- January in Rarotonga is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 23°C (74°F). Expect roughly 256mm of precipitation, and heavy rainfall is common — this is peak wet season territory.
- Does it rain a lot in Rarotonga in January?
- Rarotonga sees around 256mm of precipitation in January on average — very wet by global standards.
- Is January a good time to visit Rarotonga?
- January is a workable month to visit Rarotonga, but expect some weather trade-offs.