Mahajanga weather in December
In December, Mahajanga sees average daytime highs of 30°C and overnight lows near 25°C, with 205 mm of rain across 24 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 27% 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 12 h 54 min by month's end. Set against the rest of the year, December is Mahajanga's 10th-clearest and 11th-windiest month. For the whole year in context, see Mahajanga's year-round climate.
- Daytime high
- 30°
- 7th warmest
- Overnight low
- 25°
- 11th coldest
- Rainfall
- 205 mm
- 24 wet days
- Daylight
- 12 h 54 min
- 5:23 AM – 6:19 PM
- Cloud cover
- 62%
- 10th clearest
- Wind
- 10 km/h
- 11th windiest
- Solar energy
- 6.2 kWh/m²
- Travel score
- 3.4
- out of 10
Temperature in December
Day-to-day highs hold fairly steady near 30°C through the month.
A typical December day in Mahajanga reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, December runs on par with 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) | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 31 | 25 |
| 2 | 31 | 25 |
| 3 | 31 | 25 |
| 4 | 31 | 25 |
| 5 | 30 | 25 |
| 6 | 30 | 25 |
| 7 | 30 | 25 |
| 8 | 30 | 25 |
| 9 | 30 | 25 |
| 10 | 30 | 25 |
| 11 | 30 | 25 |
| 12 | 30 | 25 |
| 13 | 30 | 26 |
| 14 | 30 | 26 |
| 15 | 30 | 26 |
| 16 | 30 | 26 |
| 17 | 30 | 26 |
| 18 | 30 | 26 |
| 19 | 30 | 26 |
| 20 | 30 | 26 |
| 21 | 30 | 26 |
| 22 | 30 | 26 |
| 23 | 30 | 26 |
| 24 | 30 | 25 |
| 25 | 30 | 25 |
| 26 | 30 | 25 |
| 27 | 30 | 25 |
| 28 | 30 | 25 |
| 29 | 30 | 25 |
| 30 | 30 | 25 |
| 31 | 30 | 25 |
How December really feels in Mahajanga
Once humidity and wind are folded in, December averages 31 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.
Mahajanga weather by month
How December compares with the rest of the year at a glance. December is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 25° | 431 | 28.5 | 12.8 | 3.0 |
| Feb | 30° / 25° | 311 | 24 | 12.5 | 3.1 |
| Mar | 31° / 26° | 197 | 21 | 12.1 | 3.5 |
| Apr | 32° / 25° | 43 | 8.3 | 11.7 | 4.7 |
| May | 31° / 24° | 6 | 1.1 | 11.3 | 6.0 |
| Jun | 30° / 22° | 1 | 0.2 | 11.1 | 6.9 |
| Jul | 29° / 21° | 1 | 0.2 | 11.2 | 7.3 |
| Aug | 30° / 21° | 1 | 0.2 | 11.5 | 7.0 |
| Sep | 30° / 23° | 3 | 0.6 | 11.9 | 6.5 |
| Oct | 31° / 24° | 17 | 4.3 | 12.4 | 5.5 |
| Nov | 31° / 25° | 80 | 15.1 | 12.7 | 4.2 |
| Dec | 30° / 25° | 205 | 24 | 12.9 | 3.4 |
Cloud cover in December
The sky is clear or mostly clear about 27% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 55%. 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 (%) | 64 | 62 | 62 | 61 | 60 | 58 | 56 | 55 | 53 | 52 | 51 | 49 | 47 | 45 | 45 | 43 | 41 | 41 | 39 | 39 | 38 | 38 | 37 | 35 | 35 | 33 | 32 | 31 | 28 | 28 | 28 |
| Cloudier (%) | 36 | 38 | 38 | 39 | 40 | 42 | 44 | 45 | 47 | 48 | 49 | 51 | 53 | 55 | 55 | 57 | 59 | 59 | 61 | 61 | 62 | 62 | 63 | 65 | 65 | 67 | 68 | 69 | 72 | 72 | 72 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 64 | 36 |
| 2 | 62 | 38 |
| 3 | 62 | 38 |
| 4 | 61 | 39 |
| 5 | 60 | 40 |
| 6 | 58 | 42 |
| 7 | 56 | 44 |
| 8 | 55 | 45 |
| 9 | 53 | 47 |
| 10 | 52 | 48 |
| 11 | 51 | 49 |
| 12 | 49 | 51 |
| 13 | 47 | 53 |
| 14 | 45 | 55 |
| 15 | 45 | 55 |
| 16 | 43 | 57 |
| 17 | 41 | 59 |
| 18 | 41 | 59 |
| 19 | 39 | 61 |
| 20 | 39 | 61 |
| 21 | 38 | 62 |
| 22 | 38 | 62 |
| 23 | 37 | 63 |
| 24 | 35 | 65 |
| 25 | 35 | 65 |
| 26 | 33 | 67 |
| 27 | 32 | 68 |
| 28 | 31 | 69 |
| 29 | 28 | 72 |
| 30 | 28 | 72 |
| 31 | 28 | 72 |
Chance of precipitation in December
Mahajanga gets around 205 mm of rain over 24 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 78% and peaks near 86% 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 (%) | 69 | 69 | 70 | 70 | 71 | 72 | 72 | 73 | 74 | 74 | 75 | 76 | 76 | 77 | 78 | 78 | 79 | 79 | 80 | 80 | 80 | 80 | 81 | 81 | 82 | 83 | 84 | 85 | 85 | 86 | 86 |
| Rain chance (%) | |
|---|---|
| 1 | 69 |
| 2 | 69 |
| 3 | 70 |
| 4 | 70 |
| 5 | 71 |
| 6 | 72 |
| 7 | 72 |
| 8 | 73 |
| 9 | 74 |
| 10 | 74 |
| 11 | 75 |
| 12 | 76 |
| 13 | 76 |
| 14 | 77 |
| 15 | 78 |
| 16 | 78 |
| 17 | 79 |
| 18 | 79 |
| 19 | 80 |
| 20 | 80 |
| 21 | 80 |
| 22 | 80 |
| 23 | 81 |
| 24 | 81 |
| 25 | 82 |
| 26 | 83 |
| 27 | 84 |
| 28 | 85 |
| 29 | 85 |
| 30 | 86 |
| 31 | 86 |
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 61% 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 (%) | 2 | 1 | 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 |
| Muggy (%) | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
| Oppressive (%) | 69 | 70 | 69 | 68 | 68 | 67 | 65 | 65 | 65 | 64 | 62 | 62 | 61 | 62 | 61 | 61 | 60 | 60 | 60 | 60 | 59 | 59 | 58 | 58 | 57 | 56 | 55 | 55 | 53 | 52 | 51 |
| Miserable (%) | 19 | 20 | 21 | 22 | 23 | 24 | 26 | 27 | 28 | 29 | 31 | 32 | 33 | 33 | 34 | 35 | 36 | 36 | 37 | 37 | 38 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 46 | 47 | 48 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 2 | 10 | 69 | 19 |
| 2 | 1 | 9 | 70 | 20 |
| 3 | 1 | 9 | 69 | 21 |
| 4 | 1 | 9 | 68 | 22 |
| 5 | 1 | 8 | 68 | 23 |
| 6 | 1 | 8 | 67 | 24 |
| 7 | 1 | 8 | 65 | 26 |
| 8 | 0 | 8 | 65 | 27 |
| 9 | 0 | 7 | 65 | 28 |
| 10 | 0 | 7 | 64 | 29 |
| 11 | 0 | 7 | 62 | 31 |
| 12 | 0 | 6 | 62 | 32 |
| 13 | 0 | 6 | 61 | 33 |
| 14 | 0 | 5 | 62 | 33 |
| 15 | 0 | 5 | 61 | 34 |
| 16 | 0 | 4 | 61 | 35 |
| 17 | 0 | 4 | 60 | 36 |
| 18 | 0 | 4 | 60 | 36 |
| 19 | 0 | 3 | 60 | 37 |
| 20 | 0 | 3 | 60 | 37 |
| 21 | 0 | 3 | 59 | 38 |
| 22 | 0 | 3 | 59 | 38 |
| 23 | 0 | 3 | 58 | 39 |
| 24 | 0 | 2 | 58 | 40 |
| 25 | 0 | 2 | 57 | 41 |
| 26 | 0 | 2 | 56 | 42 |
| 27 | 0 | 2 | 55 | 43 |
| 28 | 0 | 1 | 55 | 44 |
| 29 | 0 | 1 | 53 | 46 |
| 30 | 0 | 1 | 52 | 47 |
| 31 | 0 | 1 | 51 | 48 |
Wind in December
Winds average 10 km/h in December.
Across December, daily wind ranges from about 9 km/h on the calmest days to 10 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) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 |
| 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 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 10 | calm |
Sunrise & sunset in December
Daylight runs from about 12 h 54 min at the start of December to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over December. Sunrise moves from 5:18 AM to 5:30 AM, and sunset from 6:11 PM to 6:26 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 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 |
| Sunrise (AM) | 5:18 | 5:19 | 5:19 | 5:19 | 5:19 | 5:20 | 5:20 | 5:20 | 5:20 | 5:21 | 5:21 | 5:22 | 5:22 | 5:22 | 5:23 | 5:23 | 5:23 | 5:24 | 5:24 | 5:25 | 5:25 | 5:26 | 5:26 | 5:27 | 5:27 | 5:28 | 5:28 | 5:29 | 5:29 | 5:30 | 5:30 |
| Sunset (PM) | 6:11 | 6:11 | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:15 | 6:16 | 6:16 | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 | 6:19 | 6:20 | 6:20 | 6:21 | 6:21 | 6:22 | 6:22 | 6:23 | 6:23 | 6:24 | 6:24 | 6:24 | 6:25 | 6:25 | 6:26 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.9 | 5:18 | 6:11 |
| 2 | 12.9 | 5:19 | 6:11 |
| 3 | 12.9 | 5:19 | 6:12 |
| 4 | 12.9 | 5:19 | 6:12 |
| 5 | 12.9 | 5:19 | 6:13 |
| 6 | 12.9 | 5:20 | 6:13 |
| 7 | 12.9 | 5:20 | 6:14 |
| 8 | 12.9 | 5:20 | 6:14 |
| 9 | 12.9 | 5:20 | 6:15 |
| 10 | 12.9 | 5:21 | 6:16 |
| 11 | 12.9 | 5:21 | 6:16 |
| 12 | 12.9 | 5:22 | 6:17 |
| 13 | 12.9 | 5:22 | 6:17 |
| 14 | 12.9 | 5:22 | 6:18 |
| 15 | 12.9 | 5:23 | 6:18 |
| 16 | 12.9 | 5:23 | 6:19 |
| 17 | 12.9 | 5:23 | 6:19 |
| 18 | 12.9 | 5:24 | 6:20 |
| 19 | 12.9 | 5:24 | 6:20 |
| 20 | 12.9 | 5:25 | 6:21 |
| 21 | 12.9 | 5:25 | 6:21 |
| 22 | 12.9 | 5:26 | 6:22 |
| 23 | 12.9 | 5:26 | 6:22 |
| 24 | 12.9 | 5:27 | 6:23 |
| 25 | 12.9 | 5:27 | 6:23 |
| 26 | 12.9 | 5:28 | 6:24 |
| 27 | 12.9 | 5:28 | 6:24 |
| 28 | 12.9 | 5:29 | 6:24 |
| 29 | 12.9 | 5:29 | 6:25 |
| 30 | 12.9 | 5:30 | 6:25 |
| 31 | 12.9 | 5:30 | 6:26 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 6.2 kWh/m².
For context, solar energy here swings from a low near 4.93 kWh/m² to a high of 7.13 kWh/m² in October across the year — December's 6.2 kWh/m² falls in the middle.
| 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) | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.6 |
| Level | Intense | Intense | Intense | Intense | 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 |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.5 | Intense |
| 2 | 6.5 | Intense |
| 3 | 6.5 | Intense |
| 4 | 6.5 | Intense |
| 5 | 6.5 | Intense |
| 6 | 6.5 | Intense |
| 7 | 6.4 | Intense |
| 8 | 6.4 | Intense |
| 9 | 6.4 | Intense |
| 10 | 6.3 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.3 | Intense |
| 14 | 6.2 | Intense |
| 15 | 6.2 | Intense |
| 16 | 6.2 | Intense |
| 17 | 6.2 | Intense |
| 18 | 6.1 | Intense |
| 19 | 6.1 | Intense |
| 20 | 6.1 | Intense |
| 21 | 6.0 | Intense |
| 22 | 6.0 | Intense |
| 23 | 6.0 | Bright |
| 24 | 5.9 | Bright |
| 25 | 5.9 | Bright |
| 26 | 5.8 | Bright |
| 27 | 5.8 | Bright |
| 28 | 5.8 | Bright |
| 29 | 5.7 | Bright |
| 30 | 5.7 | Bright |
| 31 | 5.6 | Bright |
Hazard calendar for Mahajanga
In December, Mahajanga sits inside its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.
Mahajanga sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Mahajanga's monsoon runs December–March, when most of the year's rain falls.
Is December a good time to visit Mahajanga?
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 Mahajanga.
What to pack for Mahajanga in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Mahajanga sees daytime highs around 30°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 24 days see rain.
Sea temperature near Mahajanga in December
The nearest coast averages about 29°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 March at about 30°C and coldest in August near 25°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) | 29 | 29 | 30 | 30 | 28 | 27 | 26 | 25 | 26 | 27 | 29 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 30 | Tropical |
| Apr | 30 | Tropical |
| May | 28 | Tropical |
| Jun | 27 | Warm |
| Jul | 26 | Warm |
| Aug | 25 | Warm |
| Sep | 26 | Warm |
| Oct | 27 | Warm |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Mahajanga 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 Mahajanga peaks around February 14 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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) | 14 | 16 | 14 | 11 | 9 | 7 | 8 | 10 | 12 | 13 | 12 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 16 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 9 | Very high |
| Jun | 7 | Very high |
| Jul | 8 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 14 | Extreme |
Where is Mahajanga?
Mahajanga sits at 15.7°S, 46.3°E, 20 m above sea level, in Madagascar. The nearest listed city is Marovoay, 56 km away.
Topography around Mahajanga
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mahajanga.
Within 3 km, the terrain around Mahajanga has only modest variations in elevation — a maximum elevation change of 45 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 98 m; within 80 km, significant variations in elevation — a maximum elevation change of 310 m.
The land around Mahajanga is covered by water (52%) and artificial surfaces (24%) within 3 km, water (50%) and grassland (33%) within 16 km, and grassland (42%) and water (34%) 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 Mahajanga (-15.7167°, 46.3167°, elevation 20 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).