Soanierana Ivongo weather in December
In December, Soanierana Ivongo sees average daytime highs of 29°C and overnight lows near 23°C, with 224 mm of rain across 24.9 wet days and about 13 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 17% of the time in December, and the air most often feels oppressive.
Daylight stretches from about 12 h 54 min at the start of December to 13 hours by month's end. Set against the rest of the year, December is Soanierana Ivongo's 9th-clearest and 12th-windiest month. For the whole year in context, see Soanierana Ivongo's year-round climate.
- Daytime high
- 29°
- 3rd warmest
- Overnight low
- 23°
- 9th coldest
- Rainfall
- 224 mm
- 24.9 wet days
- Daylight
- 13 hours
- 5:08 AM – 6:08 PM
- Cloud cover
- 68%
- 9th clearest
- Wind
- 8 km/h
- 12th windiest
- Solar energy
- 6 kWh/m²
- Travel score
- 3.8
- out of 10
Temperature in December
Day-to-day highs hold fairly steady near 29°C through the month.
A typical December day in Soanierana Ivongo reaches about 29°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, December runs about 2°C warmer than November and on par with January.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 23 |
| 2 | 28 | 23 |
| 3 | 28 | 23 |
| 4 | 28 | 23 |
| 5 | 28 | 23 |
| 6 | 28 | 23 |
| 7 | 28 | 23 |
| 8 | 28 | 23 |
| 9 | 28 | 23 |
| 10 | 28 | 23 |
| 11 | 29 | 23 |
| 12 | 29 | 23 |
| 13 | 29 | 23 |
| 14 | 29 | 23 |
| 15 | 29 | 23 |
| 16 | 29 | 23 |
| 17 | 29 | 23 |
| 18 | 29 | 24 |
| 19 | 29 | 24 |
| 20 | 29 | 24 |
| 21 | 29 | 24 |
| 22 | 29 | 24 |
| 23 | 29 | 24 |
| 24 | 29 | 24 |
| 25 | 29 | 24 |
| 26 | 29 | 24 |
| 27 | 29 | 24 |
| 28 | 29 | 24 |
| 29 | 29 | 24 |
| 30 | 29 | 24 |
| 31 | 29 | 24 |
How December really feels in Soanierana Ivongo
Once humidity and wind are folded in, December averages 19 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Soanierana Ivongo weather by month
How December compares with the rest of the year at a glance. December is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 24° | 368 | 27.5 | 12.9 | 3.1 |
| Feb | 29° / 24° | 376 | 24.2 | 12.6 | 3.2 |
| Mar | 29° / 24° | 383 | 27.7 | 12.1 | 3.4 |
| Apr | 27° / 23° | 258 | 25.8 | 11.6 | 4.1 |
| May | 26° / 21° | 249 | 24.5 | 11.2 | 4.6 |
| Jun | 24° / 20° | 244 | 26.1 | 11 | 4.4 |
| Jul | 23° / 19° | 278 | 27 | 11.1 | 4.3 |
| Aug | 23° / 19° | 200 | 24.9 | 11.4 | 4.7 |
| Sep | 24° / 19° | 144 | 22.2 | 11.9 | 5.1 |
| Oct | 26° / 20° | 128 | 20.5 | 12.4 | 5.3 |
| Nov | 27° / 22° | 126 | 19.8 | 12.8 | 5.0 |
| Dec | 29° / 23° | 224 | 24.9 | 13 | 3.8 |
Cloud cover in December
The sky is clear or mostly clear about 17% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 49 | 49 | 48 | 47 | 47 | 45 | 45 | 44 | 44 | 43 | 42 | 42 | 41 | 41 | 38 | 38 | 36 | 36 | 36 | 35 | 33 | 33 | 32 | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
| Cloudier (%) | 51 | 51 | 52 | 53 | 53 | 55 | 55 | 56 | 56 | 57 | 58 | 58 | 59 | 59 | 62 | 62 | 64 | 64 | 64 | 65 | 67 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 49 | 51 |
| 2 | 49 | 51 |
| 3 | 48 | 52 |
| 4 | 47 | 53 |
| 5 | 47 | 53 |
| 6 | 45 | 55 |
| 7 | 45 | 55 |
| 8 | 44 | 56 |
| 9 | 44 | 56 |
| 10 | 43 | 57 |
| 11 | 42 | 58 |
| 12 | 42 | 58 |
| 13 | 41 | 59 |
| 14 | 41 | 59 |
| 15 | 38 | 62 |
| 16 | 38 | 62 |
| 17 | 36 | 64 |
| 18 | 36 | 64 |
| 19 | 36 | 64 |
| 20 | 35 | 65 |
| 21 | 33 | 67 |
| 22 | 33 | 67 |
| 23 | 32 | 68 |
| 24 | 31 | 69 |
| 25 | 30 | 70 |
| 26 | 29 | 71 |
| 27 | 28 | 72 |
| 28 | 27 | 73 |
| 29 | 26 | 74 |
| 30 | 25 | 75 |
| 31 | 24 | 76 |
Chance of precipitation in December
Soanierana Ivongo gets around 224 mm of rain over 24.9 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 80% and peaks near 88% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 74 | 75 | 75 | 75 | 75 | 76 | 76 | 76 | 77 | 77 | 77 | 78 | 78 | 79 | 79 | 80 | 81 | 81 | 82 | 82 | 83 | 83 | 84 | 84 | 85 | 85 | 86 | 86 | 87 | 87 | 88 |
| Rain chance (%) | |
|---|---|
| 1 | 74 |
| 2 | 75 |
| 3 | 75 |
| 4 | 75 |
| 5 | 75 |
| 6 | 76 |
| 7 | 76 |
| 8 | 76 |
| 9 | 77 |
| 10 | 77 |
| 11 | 77 |
| 12 | 78 |
| 13 | 78 |
| 14 | 79 |
| 15 | 79 |
| 16 | 80 |
| 17 | 81 |
| 18 | 81 |
| 19 | 82 |
| 20 | 82 |
| 21 | 83 |
| 22 | 83 |
| 23 | 84 |
| 24 | 84 |
| 25 | 85 |
| 26 | 85 |
| 27 | 86 |
| 28 | 86 |
| 29 | 87 |
| 30 | 87 |
| 31 | 88 |
Humidity in December
Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the oppressive band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 12 | 10 | 9 | 9 | 8 | 7 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
| Oppressive (%) | 82 | 83 | 84 | 83 | 83 | 84 | 84 | 83 | 83 | 82 | 81 | 81 | 79 | 78 | 78 | 77 | 76 | 75 | 75 | 74 | 74 | 73 | 73 | 73 | 72 | 71 | 71 | 70 | 70 | 69 | 69 |
| Miserable (%) | 5 | 6 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 24 | 25 | 26 | 26 | 27 | 28 | 28 | 29 | 30 | 31 | 31 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 1 | 12 | 82 | 5 |
| 2 | 1 | 10 | 83 | 6 |
| 3 | 1 | 9 | 84 | 6 |
| 4 | 1 | 9 | 83 | 7 |
| 5 | 1 | 8 | 83 | 8 |
| 6 | 0 | 7 | 84 | 9 |
| 7 | 0 | 6 | 84 | 10 |
| 8 | 0 | 6 | 83 | 11 |
| 9 | 0 | 5 | 83 | 12 |
| 10 | 0 | 5 | 82 | 13 |
| 11 | 0 | 5 | 81 | 14 |
| 12 | 0 | 4 | 81 | 15 |
| 13 | 0 | 4 | 79 | 17 |
| 14 | 0 | 4 | 78 | 18 |
| 15 | 0 | 3 | 78 | 19 |
| 16 | 0 | 3 | 77 | 20 |
| 17 | 0 | 3 | 76 | 21 |
| 18 | 0 | 3 | 75 | 22 |
| 19 | 0 | 2 | 75 | 23 |
| 20 | 0 | 2 | 74 | 24 |
| 21 | 0 | 2 | 74 | 24 |
| 22 | 0 | 2 | 73 | 25 |
| 23 | 0 | 1 | 73 | 26 |
| 24 | 0 | 1 | 73 | 26 |
| 25 | 0 | 1 | 72 | 27 |
| 26 | 0 | 1 | 71 | 28 |
| 27 | 0 | 1 | 71 | 28 |
| 28 | 0 | 1 | 70 | 29 |
| 29 | 0 | 0 | 70 | 30 |
| 30 | 0 | 0 | 69 | 31 |
| 31 | 0 | 0 | 69 | 31 |
Wind in December
Winds average 8 km/h in December, the calmest month.
Across December, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 8 | calm |
Sunrise & sunset in December
Daylight runs from about 12 h 54 min at the start of December to 13 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over December. Sunrise moves from 5:03 AM to 5:15 AM, and sunset from 6:00 PM to 6:15 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.9 | 12.9 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 |
| Sunrise (AM) | 5:03 | 5:03 | 5:04 | 5:04 | 5:04 | 5:04 | 5:05 | 5:05 | 5:05 | 5:06 | 5:06 | 5:06 | 5:07 | 5:07 | 5:07 | 5:08 | 5:08 | 5:09 | 5:09 | 5:09 | 5:10 | 5:10 | 5:11 | 5:11 | 5:12 | 5:12 | 5:13 | 5:13 | 5:14 | 5:14 | 5:15 |
| Sunset (PM) | 6:00 | 6:00 | 6:01 | 6:01 | 6:02 | 6:02 | 6:03 | 6:04 | 6:04 | 6:05 | 6:05 | 6:06 | 6:06 | 6:07 | 6:07 | 6:08 | 6:08 | 6:09 | 6:09 | 6:10 | 6:10 | 6:11 | 6:11 | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:14 | 6:15 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.9 | 5:03 | 6:00 |
| 2 | 12.9 | 5:03 | 6:00 |
| 3 | 13.0 | 5:04 | 6:01 |
| 4 | 13.0 | 5:04 | 6:01 |
| 5 | 13.0 | 5:04 | 6:02 |
| 6 | 13.0 | 5:04 | 6:02 |
| 7 | 13.0 | 5:05 | 6:03 |
| 8 | 13.0 | 5:05 | 6:04 |
| 9 | 13.0 | 5:05 | 6:04 |
| 10 | 13.0 | 5:06 | 6:05 |
| 11 | 13.0 | 5:06 | 6:05 |
| 12 | 13.0 | 5:06 | 6:06 |
| 13 | 13.0 | 5:07 | 6:06 |
| 14 | 13.0 | 5:07 | 6:07 |
| 15 | 13.0 | 5:07 | 6:07 |
| 16 | 13.0 | 5:08 | 6:08 |
| 17 | 13.0 | 5:08 | 6:08 |
| 18 | 13.0 | 5:09 | 6:09 |
| 19 | 13.0 | 5:09 | 6:09 |
| 20 | 13.0 | 5:09 | 6:10 |
| 21 | 13.0 | 5:10 | 6:10 |
| 22 | 13.0 | 5:10 | 6:11 |
| 23 | 13.0 | 5:11 | 6:11 |
| 24 | 13.0 | 5:11 | 6:12 |
| 25 | 13.0 | 5:12 | 6:12 |
| 26 | 13.0 | 5:12 | 6:13 |
| 27 | 13.0 | 5:13 | 6:13 |
| 28 | 13.0 | 5:13 | 6:14 |
| 29 | 13.0 | 5:14 | 6:14 |
| 30 | 13.0 | 5:14 | 6:14 |
| 31 | 13.0 | 5:15 | 6:15 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 6 kWh/m².
For context, solar energy here swings from a low near 3.27 kWh/m² to a high of 6.03 kWh/m² in November across the year — December's 6 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.7 | 5.6 | 5.6 | 5.6 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.1 | Intense |
| 2 | 6.1 | Intense |
| 3 | 6.1 | Intense |
| 4 | 6.1 | Intense |
| 5 | 6.1 | Intense |
| 6 | 6.1 | Intense |
| 7 | 6.1 | Intense |
| 8 | 6.1 | Intense |
| 9 | 6.1 | Intense |
| 10 | 6.1 | Intense |
| 11 | 6.1 | Intense |
| 12 | 6.1 | Intense |
| 13 | 6.1 | Intense |
| 14 | 6.1 | Intense |
| 15 | 6.1 | Intense |
| 16 | 6.0 | Intense |
| 17 | 6.0 | Intense |
| 18 | 6.0 | Intense |
| 19 | 6.0 | Bright |
| 20 | 6.0 | Bright |
| 21 | 5.9 | Bright |
| 22 | 5.9 | Bright |
| 23 | 5.8 | Bright |
| 24 | 5.8 | Bright |
| 25 | 5.8 | Bright |
| 26 | 5.7 | Bright |
| 27 | 5.7 | Bright |
| 28 | 5.7 | Bright |
| 29 | 5.6 | Bright |
| 30 | 5.6 | Bright |
| 31 | 5.6 | Bright |
Hazard calendar for Soanierana Ivongo
In December, Soanierana Ivongo sits inside its cyclone season. The full year is below, with each hazard's peak months called out.
Soanierana Ivongo sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is December a good time to visit Soanierana Ivongo?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a weaker month for outdoor sightseeing in Soanierana Ivongo.
What to pack for Soanierana Ivongo in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Soanierana Ivongo sees daytime highs around 29°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 25 days see rain.
Sea temperature near Soanierana Ivongo in December
The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in February at about 29°C and coldest in August near 24°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 29 | 28 | 28 | 27 | 25 | 24 | 24 | 24 | 26 | 27 | 28 |
| Comfort | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Refreshing | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 29 | Tropical |
| Mar | 28 | Tropical |
| Apr | 28 | Warm |
| May | 27 | Warm |
| Jun | 25 | Warm |
| Jul | 24 | Warm |
| Aug | 24 | Refreshing |
| Sep | 24 | Warm |
| Oct | 26 | Warm |
| Nov | 27 | Warm |
| Dec | 28 | Warm |
UV index in Soanierana Ivongo in December
Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Soanierana Ivongo peaks around February 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 15 | 14 | 11 | 9 | 7 | 8 | 10 | 11 | 13 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 9 | Very high |
| Jun | 7 | High |
| Jul | 8 | Very high |
| Aug | 10 | Very high |
| Sep | 11 | Extreme |
| Oct | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Soanierana Ivongo in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Soanierana Ivongo is worst in November — around 27 µg/m³ PM2.5 (moderate), about 4.5× the cleanest month (February, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 11 | 27 | 9 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 6 | Good |
| Mar | 6 | Good |
| Apr | 6 | Good |
| May | 7 | Good |
| Jun | 7 | Good |
| Jul | 7 | Good |
| Aug | 6 | Good |
| Sep | 6 | Good |
| Oct | 11 | Good |
| Nov | 27 | Moderate |
| Dec | 9 | Good |
Where is Soanierana Ivongo?
Soanierana Ivongo sits at 16.9°S, 49.6°E, 117 m above sea level, in Madagascar. The nearest listed city is Ambodifotatra, 29 km away.
Topography around Soanierana Ivongo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Soanierana Ivongo.
Within 3 km, the terrain around Soanierana Ivongo has only modest variations in elevation — a maximum elevation change of 105 m around an average of 8 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 433 m; within 80 km, large variations in elevation — a maximum elevation change of 1,196 m.
The land around Soanierana Ivongo is covered by water (34%) and trees (24%) within 3 km, water (39%) and trees (21%) within 16 km, and trees (45%) and water (40%) within 80 km.
Madagascar travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 220 V · 50 Hz
- Prices
- ≈ 31% of US
- price level, 2025
- GDP per capita
- $599
- 2025
- Happiness
- 4.2 / 10
- World Happiness, 2025
- Safe drinking water
- 22%
- of population, 2024
- Road deaths
- 29.2
- per 100k/yr, 2019
- Income group
- Low
- World Bank
- English
- Low
- EF EPI 457
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Soanierana Ivongo (-16.9167°, 49.5833°, elevation 117 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).