Mlalo in Summer
In summer (December, January and February), Mlalo sees average daytime highs around 32°C and overnight lows near 25°C, with 131 mm of rain over about 31 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 41% of the time across summer, and the air most often feels oppressive.
Summer is Mlalo's 3rd-best season to visit on our travel score. For the whole year in context, see Mlalo's year-round climate.
- Avg daytime high
- 32°C
- warmest season of the year
- Avg overnight low
- 25°C
- Rainfall
- 131 mm
- 31 wet days
- Avg wind
- 12 km/h
- Travel score
- 3.8
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Mlalo in Summer
Across summer, daytime highs hold fairly steady around 32°C.
A typical summer day in Mlalo reaches about 32°C and drops to 25°C overnight. The warmest of the three months is February, the coolest December.
How summer really feels in Mlalo
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.
Mlalo 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 | 33° / 25° | 31 | 8.1 | 12.3 | 3.9 |
| Feb | 33° / 25° | 31 | 6.4 | 12.2 | 3.9 |
| Mar | 32° / 25° | 87 | 18.9 | 12 | 3.1 |
| Apr | 30° / 24° | 148 | 23.3 | 11.9 | 3.3 |
| May | 29° / 23° | 165 | 18.4 | 11.8 | 4.7 |
| Jun | 28° / 21° | 44 | 11.7 | 11.7 | 5.9 |
| Jul | 28° / 20° | 35 | 11.2 | 11.7 | 6.3 |
| Aug | 28° / 20° | 40 | 12.9 | 11.8 | 6.0 |
| Sep | 29° / 21° | 40 | 13.5 | 12 | 5.4 |
| Oct | 30° / 22° | 87 | 16.2 | 12.1 | 4.6 |
| Nov | 30° / 23° | 84 | 19.2 | 12.2 | 3.9 |
| Dec | 32° / 24° | 68 | 16.5 | 12.3 | 3.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 41% of the time across summer.
Chance of precipitation in Summer
Mlalo gets around 131 mm of rain over 31 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 12 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 18 min in early December to 12 h 06 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 6.5 kWh/m².
Hazard calendar for Mlalo
In summer, Mlalo overlaps its cyclone season. The full year is below, with each hazard's peak months called out.
Mlalo sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Mlalo's rainy season runs March–May, when most of the year's rain falls.
Is summer a good time to visit Mlalo?
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 Mlalo. The water and warmth also suit a beach or pool day.
What to pack for Mlalo in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Mlalo sees daytime highs around 32°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 31 days see rain.
Sea temperature near Mlalo in Summer
The nearest coast averages about 28°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 30 km away) is warmest in March at about 29°C and coldest in August near 26°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) | 28 | 28 | 29 | 29 | 28 | 27 | 26 | 26 | 26 | 27 | 28 | 28 |
| Comfort | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 28 | Tropical |
| Jun | 27 | Warm |
| Jul | 26 | Warm |
| Aug | 26 | Warm |
| Sep | 26 | Warm |
| Oct | 27 | Warm |
| Nov | 28 | Warm |
| Dec | 28 | Tropical |
UV index in Mlalo 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 Mlalo peaks around March 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 10 (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 | 14 | 15 | 15 | 11 | 10 | 10 | 11 | 13 | 13 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 15 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 11 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in Mlalo 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 Mlalo is worst in January — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 10 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) | 20 | 20 | 15 | 11 | 13 | 16 | 17 | 15 | 13 | 10 | 10 | 16 |
| Level | Moderate | Moderate | Moderate | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 20 | Moderate |
| Feb | 20 | Moderate |
| Mar | 15 | Moderate |
| Apr | 11 | Good |
| May | 13 | Moderate |
| Jun | 16 | Moderate |
| Jul | 17 | Moderate |
| Aug | 15 | Moderate |
| Sep | 13 | Moderate |
| Oct | 10 | Good |
| Nov | 10 | Good |
| Dec | 16 | Moderate |
Where is Mlalo?
Mlalo sits at 4.9°S, 38.9°E, 133 m above sea level, in Tanzania. The nearest listed city is Tanga, 24 km away.
Topography around Mlalo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mlalo.
Within 3 km, the terrain around Mlalo has only modest variations in elevation — a maximum elevation change of 56 m around an average of 124 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 572 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,254 m.
The land around Mlalo is covered by shrubs (55%) and trees (36%) within 3 km, trees (62%) and shrubs (29%) within 16 km, and trees (33%), water (29%) and shrubs (21%) within 80 km.
Tanzania travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type D / G
- 230 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $1,319
- 2025
- Happiness
- 3.9 / 10
- World Happiness, 2025
- Safe drinking water
- 31%
- of population, 2024
- Homicide rate
- 3.7
- per 100k, 2020
- Road deaths
- 31.1
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Low
- EF EPI 479
- 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 Mlalo (-4.9333°, 38.9333°, elevation 133 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.