Xai-Xai in Summer
In summer (December, January and February), Xai-Xai sees average daytime highs around 30°C and overnight lows near 24°C, with 323 mm of rain over about 36 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 36% of the time across summer, and the air most often feels oppressive.
Summer is Xai-Xai's weakest season of the year to visit on our travel score. For the whole year in context, see Xai-Xai's year-round climate.
- Avg daytime high
- 30°C
- warmest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 323 mm
- 36 wet days
- Avg wind
- 14 km/h
- Travel score
- 4.6
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Xai-Xai in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Xai-Xai reaches about 30°C and drops to 24°C overnight. The warmest of the three months is January, the coolest December.
How summer really feels in Xai-Xai
Once humidity and wind are folded in, summer brings about 83 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.
Xai-Xai 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 | 31° / 24° | 129 | 13.8 | 13.4 | 4.4 |
| Feb | 31° / 24° | 83 | 11.5 | 12.9 | 4.5 |
| Mar | 30° / 23° | 74 | 12 | 12.2 | 5.0 |
| Apr | 28° / 21° | 44 | 9.4 | 11.4 | 6.2 |
| May | 27° / 19° | 28 | 6.1 | 10.8 | 7.7 |
| Jun | 25° / 17° | 20 | 4.8 | 10.5 | 8.2 |
| Jul | 25° / 16° | 18 | 4.6 | 10.6 | 8.4 |
| Aug | 26° / 17° | 15 | 3.4 | 11.1 | 8.2 |
| Sep | 28° / 19° | 25 | 4.4 | 11.8 | 7.4 |
| Oct | 28° / 20° | 37 | 6.5 | 12.6 | 6.4 |
| Nov | 30° / 22° | 73 | 9.6 | 13.2 | 5.3 |
| Dec | 30° / 23° | 111 | 10.8 | 13.5 | 4.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 36% of the time across summer.
Chance of precipitation in Summer
Xai-Xai gets around 323 mm of rain over 36 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 14 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 24 min in early December to 12 h 36 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 6.2 kWh/m².
Hazard calendar for Xai-Xai
In summer, Xai-Xai overlaps its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.
Xai-Xai sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Xai-Xai's rainy season runs November–March, when most of the year's rain falls.
Is summer a good time to visit Xai-Xai?
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 reasonable time to visit Xai-Xai for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Xai-Xai in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Xai-Xai sees daytime highs around 30°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 36 days see rain.
Sea temperature near Xai-Xai in Summer
The nearest coast averages about 27°C across summer — 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 28°C and coldest in August near 22°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) | 27 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 22 | 23 | 24 | 26 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 28 | Warm |
| Mar | 27 | Warm |
| Apr | 26 | Warm |
| May | 25 | Warm |
| Jun | 24 | Refreshing |
| Jul | 23 | Refreshing |
| Aug | 22 | Refreshing |
| Sep | 22 | Refreshing |
| Oct | 23 | Refreshing |
| Nov | 24 | Warm |
| Dec | 26 | Warm |
UV index in Xai-Xai in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Xai-Xai peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (moderate).
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 | 13 | 11 | 8 | 6 | 5 | 5 | 7 | 8 | 9 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 11 | Extreme |
| Apr | 8 | Very high |
| May | 6 | High |
| Jun | 5 | Moderate |
| Jul | 5 | Moderate |
| Aug | 7 | High |
| Sep | 8 | Very high |
| Oct | 9 | Very high |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Xai-Xai 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 Xai-Xai is worst in September — around 16 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (January, 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 | 7 | 7 | 8 | 10 | 12 | 12 | 14 | 16 | 12 | 9 | 7 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 7 | Good |
| Mar | 7 | Good |
| Apr | 8 | Good |
| May | 10 | Good |
| Jun | 12 | Good |
| Jul | 12 | Moderate |
| Aug | 14 | Moderate |
| Sep | 16 | Moderate |
| Oct | 12 | Good |
| Nov | 9 | Good |
| Dec | 7 | Good |
Where is Xai-Xai?
Xai-Xai sits at 25.1°S, 33.6°E, 4 m above sea level, in Mozambique. The nearest listed city is Chibuto, 42 km away.
Topography around Xai-Xai
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Xai-Xai.
Within 3 km, the terrain around Xai-Xai has only modest variations in elevation — a maximum elevation change of 89 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 110 m; within 80 km, only modest variations in elevation — a maximum elevation change of 158 m.
The land around Xai-Xai is covered by cropland (35%) within 3 km, grassland (31%) and cropland (31%) within 16 km, and trees (30%), water (30%) and grassland (27%) within 80 km.
Mozambique travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / M
- 220 V · 50 Hz
- Prices
- ≈ 37% of US
- price level, 2025
- GDP per capita
- $627
- 2025
- Happiness
- 5.3 / 10
- World Happiness, 2025
- Safe drinking water
- 28%
- of population, 2024
- Homicide rate
- 3.6
- per 100k, 2011
- Road deaths
- 30
- per 100k/yr, 2019
- Income group
- Low
- World Bank
- English
- Low
- EF EPI 465
- 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 Xai-Xai (-25.0519°, 33.6442°, elevation 4 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.