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Maui in January: weather, sea & travel advice
This month's data profile
Rain shapes the decision
The deciding difference
January combines a warm sea with a high score, but differs little from February.
Practical conclusion
February is similarly suitable and brings a little more sunshine, so January should not be presented as an isolated best choice.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
81/100 · #7
Warmth
#10
Dryness
#9
Sun
#11
Sea warmth
#9
Published best categories: none
Maui · JanuaryPhoto: John P Salvatore · CC BY-SA 4.0Climate facts
- Average high
- 23 °C
- Average low
- 22 °C
- Sea
- 25 °C
- Rainy days (est.)
- 11 rainy days (est.)
- Sun (est.)
- 5 h/day
- Humidity
- 77 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| December | 24 | 22 | 13 | 60 | 5.0 | 78 | 5.5 | 25 | 77 |
| January (selected) | 23 | 22 | 11 | 54 | 5.3 | 77 | 4.7 | 25 | 81 |
| February | 23 | 21 | 11 | 50 | 6.2 | 77 | 5.2 | 24 | 81 |
How do the previous and next months compare?
Baseline: January (81/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| December | -4 | +0.5 °C | +0.8 °C | +1.7 | +6.3 mm | -0.3 h | +1.2 % | +0.8 m/s | +0.6 °C |
| February | ±0 | -0.4 °C | -0.4 °C | -0.2 | -4 mm | +0.9 h | +0.2 % | +0.5 m/s | -0.4 °C |
All twelve months in context

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Useful next decisions
Frequently asked questions
How warm is Maui in January?
The average daily high is around 23 °C, with an average daily low of about 22 °C.
Can you swim in Maui in January?
The sea is about 25 °C (warm).
Does it rain a lot in Maui in January?
The curated estimate is about 11 rainy days per month, not a directly measured long-term average. Total precipitation averages around 54 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Maui?
By the climate score, May, June, July and August are the strongest months for Maui. For a beach trip: June, July, August and September. January is not among them.