Nanganga in Summer
In summer (December, January and February), Nanganga sees average daytime highs around 29°C and overnight lows near 21°C, with 499 mm of rain over about 60 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 29°C. The sky is clear or mostly clear about 12% of the time across summer, and the air most often feels oppressive.
Summer is Nanganga's weakest season of the year to visit on our travel score. For the whole year in context, see Nanganga's year-round climate.
- Avg daytime high
- 29°C
- 2nd-warmest season
- Avg overnight low
- 21°C
- Rainfall
- 499 mm
- 60 wet days
- Avg wind
- 8 km/h
- Travel score
- 4.0
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Nanganga in Summer
Across summer, daytime highs hold fairly steady around 29°C.
A typical summer day in Nanganga reaches about 29°C and drops to 21°C overnight. The warmest of the three months is December, the coolest December.
Nanganga 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 | 29° / 21° | 174 | 21.2 | 12.5 | 4.0 |
| Feb | 29° / 21° | 186 | 19.4 | 12.3 | 4.0 |
| Mar | 28° / 21° | 251 | 26.2 | 12.1 | 3.6 |
| Apr | 28° / 20° | 126 | 19.2 | 11.8 | 4.9 |
| May | 28° / 18° | 28 | 6.4 | 11.5 | 7.1 |
| Jun | 27° / 17° | 6 | 1.8 | 11.4 | 7.9 |
| Jul | 27° / 16° | 5 | 1.4 | 11.5 | 8.0 |
| Aug | 28° / 16° | 6 | 1.9 | 11.7 | 7.7 |
| Sep | 29° / 17° | 9 | 3.2 | 11.9 | 6.8 |
| Oct | 29° / 19° | 24 | 6.8 | 12.2 | 5.9 |
| Nov | 30° / 20° | 56 | 11.5 | 12.5 | 5.0 |
| Dec | 29° / 21° | 140 | 19.8 | 12.6 | 4.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 12% of the time across summer.
Chance of precipitation in Summer
Nanganga gets around 499 mm of rain over 60 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 8 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 36 min in early December to 12 h 12 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 5.5 kWh/m².
Hazard calendar for Nanganga
In summer, Nanganga overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Nanganga's monsoon runs December–April, when most of the year's rain falls.
Is summer a good time to visit Nanganga?
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 Nanganga for sightseeing.
What to pack for Nanganga in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Nanganga sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 60 days see rain.
UV index in Nanganga 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 Nanganga peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 9 (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) | 13 | 14 | 15 | 13 | 10 | 10 | 9 | 11 | 13 | 14 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 10 | Very high |
| Jun | 10 | Very high |
| Jul | 9 | Very high |
| Aug | 11 | Extreme |
| Sep | 13 | Extreme |
| Oct | 14 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in Nanganga 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 Nanganga is worst in July — around 18 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (May, 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) | 13 | 12 | 11 | 11 | 10 | 12 | 18 | 18 | 11 | 10 | 12 | 10 |
| Level | Moderate | Moderate | Good | Good | Good | Good | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 12 | Moderate |
| Mar | 11 | Good |
| Apr | 11 | Good |
| May | 10 | Good |
| Jun | 12 | Good |
| Jul | 18 | Moderate |
| Aug | 18 | Moderate |
| Sep | 11 | Good |
| Oct | 10 | Good |
| Nov | 12 | Good |
| Dec | 10 | Good |
Where is Nanganga?
Nanganga sits at 10.4°S, 39.1°E, 214 m above sea level, in Tanzania. The nearest listed city is Nyangao, 16 km away.
Topography around Nanganga
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nanganga.
Within 3 km, the terrain around Nanganga has only modest variations in elevation — a maximum elevation change of 90 m around an average of 221 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 687 m; within 80 km, large variations in elevation — a maximum elevation change of 936 m.
The land around Nanganga is covered by grassland (37%), shrubs (31%) and cropland (22%) within 3 km, trees (43%), shrubs (25%) and grassland (20%) within 16 km, and trees (47%), shrubs (22%) and grassland (22%) 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 Nanganga (-10.3833°, 39.15°, elevation 214 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.