Madagascar
Nosy Be in December: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Nosy Be in December is climatically well suited to beach holidays. The average daily high is around 29 °C, and the sea is about 29 °C. With about 26 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
55/100 · #10
Warmth
#2
Dryness
#9
Sun
#4
Sea warmth
#6
Published best categories: none
Nosy Be · DecemberPhoto: Thomas Fuhrmann · CC BY-SA 4.0Climate facts
- Average high
- 29 °C
- Average low
- 26 °C
- Sea
- 29 °C
- Rainy days (est.)
- 26 rainy days (est.)
- Sun (est.)
- 8 h/day
- Humidity
- 79 %
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 |
|---|---|---|---|---|---|---|---|---|---|
| November | 30 | 25 | 16 | 90 | 8.3 | 74 | 1.8 | 28 | 62 |
| December (selected) | 29 | 26 | 26 | 208 | 7.8 | 79 | 1.8 | 29 | 55 |
| January | 29 | 26 | 28 | 296 | 7.2 | 82 | 2.1 | 29 | 55 |
How do the previous and next months compare?
Baseline: December (55/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| November | +7 | +0.3 °C | -0.6 °C | -9.5 | -118.3 mm | +0.5 h | -4.4 % | -0.1 m/s | -0.7 °C |
| January | ±0 | -0.7 °C | +0.1 °C | +2.7 | +88 mm | -0.6 h | +3.6 % | +0.3 m/s | +0.1 °C |
All twelve months in context
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Where to stay in Nosy Be
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Useful next decisions
Frequently asked questions
How warm is Nosy Be in December?
The average daily high is around 29 °C, with an average daily low of about 26 °C.
Can you swim in Nosy Be in December?
The sea is about 29 °C (very warm).
Does it rain a lot in Nosy Be in December?
The curated estimate is about 26 rainy days per month, not a directly measured long-term average. Total precipitation averages around 208 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Nosy Be?
By the climate score, June, July, August and September are the strongest months for Nosy Be. For a beach trip: June, July, August and September. December is not among them.