Tanga in Spring
In spring (September, October and November), Tanga sees average daytime highs around 30°C and overnight lows near 22°C, with 210 mm of rain over about 49 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 28°C in early September to 31°C by late November. The sky is clear or mostly clear about 44% of the time across spring, and the air most often feels oppressive.
Spring is Tanga's 2nd-best season to visit on our travel score. For the whole year in context, see Tanga's year-round climate.
- Avg daytime high
- 30°C
- 3rd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 210 mm
- 49 wet days
- Avg wind
- 9 km/h
- Travel score
- 4.6
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Tanga in Spring
Over the season highs climb from about 28°C in early September to 31°C by late November.
A typical spring day in Tanga reaches about 30°C and drops to 22°C overnight. The warmest of the three months is November, the coolest September.
How spring really feels in Tanga
Once humidity and wind are folded in, spring brings about 50 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Tanga weather by month
How the three spring months (September, October and November) 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 Spring
The sky is clear or mostly clear about 44% of the time across spring.
Chance of precipitation in Spring
Tanga gets around 210 mm of rain over 49 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 9 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 54 min in early September to 12 h 18 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.0 kWh/m².
Hazard calendar for Tanga
In spring, Tanga overlaps its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.
Tanga sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Tanga's rainy season runs March–May, when most of the year's rain falls.
Is spring a good time to visit Tanga?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Tanga for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Tanga in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Tanga sees daytime highs around 30°C and nights near 22°C. Pack light clothes, rain gear and sun protection. About 49 days see rain.
Sea temperature near Tanga in Spring
The nearest coast averages about 27°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore 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 Tanga in Spring
Clear-sky midday UV across spring 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 Tanga peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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 | 14 | 11 | 10 | 10 | 10 | 13 | 13 | 12 | 12 |
| 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 | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 10 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Tanga in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Tanga 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 Tanga?
Tanga sits at 5.1°S, 39.1°E, 22 m above sea level, in Tanzania. The nearest listed city is Mlalo, 24 km away.
Topography around Tanga
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tanga.
Within 3 km, the terrain around Tanga has only modest variations in elevation — a maximum elevation change of 47 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 133 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,025 m.
The land around Tanga is covered by artificial surfaces (35%), water (24%) and trees (20%) within 3 km, water (40%) and trees (25%) within 16 km, and water (43%) and trees (32%) 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 Tanga (-5.0689°, 39.0988°, 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.