Caia in Summer
In summer (December, January and February), Caia sees average daytime highs around 33°C and overnight lows near 24°C, with 431 mm of rain over about 49 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 33°C. The sky is clear or mostly clear about 26% of the time across summer, and the air most often feels oppressive.
Summer is Caia's weakest season of the year to visit on our travel score. For the whole year in context, see Caia's year-round climate.
- Avg daytime high
- 33°C
- 2nd-warmest season
- Avg overnight low
- 24°C
- Rainfall
- 431 mm
- 49 wet days
- Avg wind
- 9 km/h
- Travel score
- 3.1
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Caia in Summer
Across summer, daytime highs hold fairly steady around 33°C.
A typical summer day in Caia reaches about 33°C and drops to 24°C overnight. The warmest of the three months is December, the coolest February.
How summer really feels in Caia
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.
Caia 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° | 184 | 18.6 | 12.9 | 3.1 |
| Feb | 32° / 24° | 115 | 14.8 | 12.6 | 3.3 |
| Mar | 32° / 23° | 89 | 13.9 | 12.1 | 3.9 |
| Apr | 31° / 22° | 30 | 6.6 | 11.6 | 5.2 |
| May | 29° / 19° | 10 | 2.4 | 11.2 | 6.7 |
| Jun | 27° / 17° | 6 | 1.8 | 11 | 8.0 |
| Jul | 27° / 17° | 9 | 2.7 | 11 | 8.0 |
| Aug | 29° / 18° | 4 | 1.1 | 11.4 | 6.8 |
| Sep | 32° / 20° | 7 | 1.6 | 11.9 | 4.9 |
| Oct | 34° / 22° | 13 | 2.7 | 12.4 | 3.7 |
| Nov | 35° / 24° | 49 | 6.8 | 12.8 | 2.8 |
| Dec | 33° / 24° | 132 | 15.3 | 13 | 2.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 26% of the time across summer.
Chance of precipitation in Summer
Caia gets around 431 mm of rain over 49 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 9 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 hours 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 5.9 kWh/m².
Hazard calendar for Caia
In summer, Caia overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Caia's monsoon runs December–March, when most of the year's rain falls.
Is summer a good time to visit Caia?
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 Caia.
What to pack for Caia in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Caia sees daytime highs around 33°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 49 days see rain.
UV index in Caia in Summer
Clear-sky midday UV across summer averages 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 Caia peaks around January 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (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 | 14 | 13 | 10 | 8 | 7 | 7 | 8 | 9 | 12 | 12 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 13 | Extreme |
| Apr | 10 | Extreme |
| May | 8 | Very high |
| Jun | 7 | High |
| Jul | 7 | High |
| Aug | 8 | Very high |
| Sep | 9 | Very high |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 14 | Extreme |
Air quality in Caia 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 Caia is worst in September — around 44 µg/m³ PM2.5 (poor), about 6.7× the cleanest month (March, 7 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) | 7 | 8 | 7 | 7 | 8 | 9 | 21 | 37 | 44 | 28 | 14 | 7 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Poor | Poor | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 8 | Good |
| Mar | 7 | Good |
| Apr | 7 | Good |
| May | 8 | Good |
| Jun | 9 | Good |
| Jul | 21 | Moderate |
| Aug | 37 | Poor |
| Sep | 44 | Poor |
| Oct | 28 | Moderate |
| Nov | 14 | Moderate |
| Dec | 7 | Good |
Where is Caia?
Caia sits at 17.8°S, 35.3°E, 35 m above sea level, in Mozambique. The nearest listed city is Morrumbala, 60 km away.
Topography around Caia
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Caia.
Within 3 km, the terrain around Caia has only modest variations in elevation — a maximum elevation change of 27 m around an average of 30 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 240 m; within 80 km, large variations in elevation — a maximum elevation change of 1,127 m.
The land around Caia is covered by cropland (45%) within 3 km, cropland (31%) and trees (24%) within 16 km, and trees (51%) 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 Caia (-17.8203°, 35.3442°, elevation 35 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.