Boriziny in Summer
In summer (December, January and February), Boriziny sees average daytime highs around 32°C and overnight lows near 24°C, with 1072 mm of rain over about 74 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Over the season highs ease from about 34°C in early December to 32°C by late February. The sky is clear or mostly clear about 14% of the time across summer, and the air most often feels oppressive.
Summer is Boriziny's weakest season of the year to visit on our travel score. For the whole year in context, see Boriziny's year-round climate.
- Avg daytime high
- 32°C
- 3rd-warmest season
- Avg overnight low
- 24°C
- Rainfall
- 1072 mm
- 74 wet days
- Avg wind
- 7 km/h
- Travel score
- 2.4
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Boriziny in Summer
Over the season highs ease from about 34°C in early December to 32°C by late February.
A typical summer day in Boriziny reaches about 32°C and drops to 24°C overnight. The warmest of the three months is December, the coolest January.
How summer really feels in Boriziny
Once humidity and wind are folded in, summer brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Boriziny 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 | 32° / 24° | 472 | 27 | 12.8 | 2.4 |
| Feb | 32° / 24° | 344 | 24.2 | 12.5 | 2.5 |
| Mar | 33° / 24° | 217 | 19.1 | 12.1 | 2.8 |
| Apr | 34° / 24° | 36 | 6.5 | 11.7 | 3.6 |
| May | 33° / 22° | 9 | 1.6 | 11.3 | 4.6 |
| Jun | 31° / 21° | 2 | 0.4 | 11.1 | 5.7 |
| Jul | 31° / 20° | 1 | 0.3 | 11.2 | 6.1 |
| Aug | 32° / 20° | 2 | 0.3 | 11.5 | 5.6 |
| Sep | 33° / 21° | 2 | 0.6 | 11.9 | 4.6 |
| Oct | 35° / 23° | 21 | 4.3 | 12.4 | 3.2 |
| Nov | 35° / 24° | 102 | 12.1 | 12.7 | 2.4 |
| Dec | 34° / 24° | 256 | 22.4 | 12.9 | 2.3 |
Cloud cover in Summer
The sky is clear or mostly clear about 14% of the time across summer.
Chance of precipitation in Summer
Boriziny gets around 1072 mm of rain over 74 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — 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 18 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 5.7 kWh/m².
Hazard calendar for Boriziny
In summer, Boriziny overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Boriziny's monsoon runs December–March, when most of the year's rain falls.
Is summer a good time to visit Boriziny?
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 Boriziny.
What to pack for Boriziny in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Boriziny sees daytime highs around 32°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 74 days see rain.
UV index in Boriziny 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 Boriziny peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 8 (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 | 8 | 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 | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 9 | Very high |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 14 | Extreme |
Air quality in Boriziny 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 Boriziny is worst in November — around 21 µg/m³ PM2.5 (moderate), about 5.3× the cleanest month (July, 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) | 6 | 6 | 6 | 5 | 5 | 4 | 4 | 5 | 6 | 12 | 21 | 12 |
| 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 | 5 | Good |
| May | 5 | Good |
| Jun | 4 | Good |
| Jul | 4 | Good |
| Aug | 5 | Good |
| Sep | 6 | Good |
| Oct | 12 | Good |
| Nov | 21 | Moderate |
| Dec | 12 | Good |
Where is Boriziny?
Boriziny sits at 15.6°S, 47.7°E, 22 m above sea level, in Madagascar. The nearest listed city is Mampikony, 60 km away.
Topography around Boriziny
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Boriziny.
Within 3 km, the terrain around Boriziny has only modest variations in elevation — a maximum elevation change of 69 m around an average of 22 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 306 m; within 80 km, large variations in elevation — a maximum elevation change of 1,122 m.
The land around Boriziny is covered by cropland (49%) and grassland (33%) within 3 km, grassland (53%) and trees (24%) within 16 km, and grassland (61%) and trees (25%) 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 Boriziny (-15.55°, 47.6667°, elevation 22 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.