Tsaratanana in Summer
In summer (December, January and February), Tsaratanana sees average daytime highs around 28°C and overnight lows near 20°C, with 1221 mm of rain over about 72 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 6% of the time across summer, and the air most often feels muggy.
Summer is Tsaratanana's weakest season of the year to visit on our travel score. For the whole year in context, see Tsaratanana's year-round climate.
- Avg daytime high
- 28°C
- 2nd-warmest season
- Avg overnight low
- 20°C
- Rainfall
- 1221 mm
- 72 wet days
- Avg wind
- 7 km/h
- Travel score
- 3.9
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Tsaratanana in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Tsaratanana reaches about 28°C and drops to 20°C overnight. The warmest of the three months is December, the coolest December.
Tsaratanana weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 20° | 482 | 26.5 | 12.9 | 3.8 |
| Feb | 27° / 20° | 445 | 24.4 | 12.6 | 3.8 |
| Mar | 28° / 20° | 251 | 19.9 | 12.1 | 4.6 |
| Apr | 28° / 19° | 45 | 8.2 | 11.6 | 6.3 |
| May | 27° / 17° | 15 | 2.6 | 11.2 | 8.0 |
| Jun | 25° / 15° | 3 | 0.9 | 11 | 8.8 |
| Jul | 24° / 14° | 5 | 0.7 | 11.1 | 9.0 |
| Aug | 25° / 14° | 2 | 0.5 | 11.4 | 8.9 |
| Sep | 27° / 15° | 4 | 1 | 11.9 | 8.3 |
| Oct | 29° / 17° | 31 | 5.1 | 12.4 | 6.4 |
| Nov | 30° / 19° | 125 | 11.9 | 12.8 | 4.9 |
| Dec | 29° / 20° | 294 | 21.1 | 13 | 4.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 6% of the time across summer.
Chance of precipitation in Summer
Tsaratanana gets around 1221 mm of rain over 72 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 54 min in early December to 12 h 24 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.4 kWh/m².
Hazard calendar for Tsaratanana
In summer, Tsaratanana overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Tsaratanana's monsoon runs December–March, when most of the year's rain falls.
Is summer a good time to visit Tsaratanana?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Tsaratanana.
What to pack for Tsaratanana in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Tsaratanana sees daytime highs around 28°C and nights near 20°C. Pack light clothes, rain gear and sun protection. About 72 days see rain.
UV index in Tsaratanana in Summer
Clear-sky midday UV across summer averages around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Tsaratanana peaks around February 10 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) | 16 | 16 | 14 | 11 | 9 | 7 | 8 | 10 | 12 | 13 | 13 | 15 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | 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 | 13 | Extreme |
| Dec | 15 | Extreme |
Air quality in Tsaratanana in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Tsaratanana is worst in November — around 19 µg/m³ PM2.5 (moderate), about 4.6× the cleanest month (April, 4 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) | 5 | 5 | 5 | 4 | 5 | 6 | 8 | 8 | 8 | 13 | 19 | 9 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 5 | Good |
| Feb | 5 | Good |
| Mar | 5 | Good |
| Apr | 4 | Good |
| May | 5 | Good |
| Jun | 6 | Good |
| Jul | 8 | Good |
| Aug | 8 | Good |
| Sep | 8 | Good |
| Oct | 13 | Moderate |
| Nov | 19 | Moderate |
| Dec | 9 | Good |
Where is Tsaratanana?
Tsaratanana sits at 16.8°S, 47.7°E, 349 m above sea level, in Madagascar. The nearest listed city is Mampikony, 78 km away.
Topography around Tsaratanana
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tsaratanana.
Within 3 km, the terrain around Tsaratanana has only modest variations in elevation — a maximum elevation change of 100 m around an average of 353 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 914 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,394 m.
The land around Tsaratanana is covered by grassland (69%) and cropland (21%) within 3 km, grassland (85%) within 16 km, and grassland (93%) 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 Tsaratanana (-16.7971°, 47.6516°, elevation 349 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.