Atsinanana (Toamasina)
December
Weather in Atsinanana for December 2025
Your guide to Atsinanana weather in December - trends and predictions
In general, the average temperature in Atsinanana at the beginning of December is 27.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 28.4 °C by the end of December.
Atsinanana experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 192.9 mm.
Temperatures
Rain 🌧️
8
Dry days
23
Rainy days
0
Snow days
28°/23°
Temperatures
16 km/h
Avg max wind
77 %
Avg humidity
Atsinanana in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2  26° | 3 27° | 4 27° | 5  28° | 6 28° | 7 28° |
| 8  28° | 9 28° | 10 28° | 11 28° | 12 28° | 13 29° | 14 29° |
| 15  28° | 16 29° | 17 29° | 18 29° | 19 29° | 20 29° | 21 29° |
| 22  29° | 23 29° | 24  27° | 25 28° | 26 28° | 27 29° | 28 28° |
| 29 29° | 30 28° | 31  29° |
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Temperatures trend during December in Atsinanana
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Heavy rain | 27° /22° | 31.5 mm | 8 | |
| 2 Dec. | Light rain shower | 26° /22° | 3.4 mm | 8 | |
| 3 Dec. | Light rain shower | 27° /22° | 3.1 mm | 8 | |
| 4 Dec. | Patchy rain possible | 27° /22° | 2.4 mm | 8 | |
| 5 Dec. | Partly cloudy | 28° /21° | 0.2 mm | 8 | |
| 6 Dec. | Patchy rain possible | 28° /24° | 0.7 mm | 8 | |
| 7 Dec. | Patchy rain possible | 28° /23° | 1.5 mm | 8 | |
| 8 Dec. | Overcast | 28° /22° | 0 mm | 8 | |
| 9 Dec. | Patchy rain possible | 28° /23° | 0.6 mm | 8 | |
| 10 Dec. | Partly cloudy | 28° /23° | 0.4 mm | 8 | |
| 11 Dec. | Patchy rain possible | 28° /23° | 2.8 mm | 8 | |
| 12 Dec. | Patchy rain possible | 28° /23° | 4.7 mm | 8 | |
| 13 Dec. | Patchy rain possible | 29° /24° | 1.9 mm | 8 | |
| 14 Dec. | Light rain shower | 29° /24° | 1.5 mm | 8 | |
| 15 Dec. | Sunny | 28° /23° | 1.4 mm | 8 | |
| 16 Dec. | Patchy rain possible | 29° /23° | 2.6 mm | 8 | |
| 17 Dec. | Patchy rain possible | 29° /23° | 0.8 mm | 8 | |
| 18 Dec. | Patchy rain possible | 29° /24° | 0.4 mm | 8 | |
| 19 Dec. | Light rain shower | 29° /23° | 1.3 mm | 8 | |
| 20 Dec. | Patchy rain possible | 29° /23° | 1.1 mm | 8 | |
| 21 Dec. | Patchy rain possible | 29° /24° | 5.5 mm | 8 | |
| 22 Dec. | Moderate or heavy rain shower | 29° /23° | 11.9 mm | 7 | |
| 23 Dec. | Overcast | 29° /22° | 4.7 mm | 8 | |
| 24 Dec. | Heavy rain at times | 27° /23° | 14 mm | 7 | |
| 25 Dec. | Patchy rain possible | 28° /23° | 10.4 mm | 7 | |
| 26 Dec. | Moderate or heavy rain shower | 28° /23° | 9.3 mm | 7 | |
| 27 Dec. | Moderate rain at times | 29° /23° | 7.7 mm | 7 | |
| 28 Dec. | Patchy rain possible | 28° /23° | 7.5 mm | 7 | |
| 29 Dec. | Patchy rain possible | 29° /23° | 8.3 mm | 7 | |
| 30 Dec. | Patchy rain possible | 28° /23° | 15 mm | 7 | |
| 31 Dec. | Cloudy | 29° /23° | 9.3 mm | 7 | |
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Important Notice
Our weather forecast for Atsinanana in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Atsinanana forecast closer to your planned date for the most up-to-date weather information.
Atsinanana in December - FAQ
What are the expected maximum and minimum temperatures in Atsinanana during December?
During December, expect a variety of temperatures with highs around 28° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Atsinanana during December?
Significant rainfall exceeding 192.9 mm is expected in Atsinanana during December, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Atsinanana during December?
The average wind speed in Atsinanana during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Atsinanana
Explore the daily rainfall trends and prepare for Atsinananas December weather 💧
UV exposure in Atsinanana during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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