Shanwa in Summer
In summer (December, January and February), Shanwa sees average daytime highs around 28°C and overnight lows near 18°C, with 425 mm of rain over about 52 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 18% of the time across summer, and the air most often feels humid.
Summer is Shanwa's weakest season of the year to visit on our travel score. For the whole year in context, see Shanwa's year-round climate.
- Avg daytime high
- 28°C
- coldest season of the year
- Avg overnight low
- 18°C
- Rainfall
- 425 mm
- 52 wet days
- Avg wind
- 7 km/h
- Travel score
- 5.0
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Shanwa in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Shanwa reaches about 28°C and drops to 18°C overnight. The warmest of the three months is February, the coolest January.
Shanwa 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 | 28° / 18° | 146 | 18.6 | 12.2 | 5.1 |
| Feb | 28° / 18° | 110 | 14.6 | 12.1 | 4.9 |
| Mar | 28° / 19° | 140 | 17.1 | 12 | 4.9 |
| Apr | 28° / 18° | 114 | 14.2 | 11.9 | 5.5 |
| May | 28° / 19° | 27 | 4.4 | 11.9 | 6.6 |
| Jun | 28° / 18° | 5 | 1 | 11.8 | 6.9 |
| Jul | 28° / 17° | 3 | 0.3 | 11.8 | 7.2 |
| Aug | 29° / 18° | 6 | 0.9 | 11.9 | 6.6 |
| Sep | 30° / 19° | 11 | 2.3 | 12 | 5.6 |
| Oct | 31° / 19° | 40 | 6.4 | 12.1 | 4.9 |
| Nov | 29° / 19° | 121 | 13.9 | 12.1 | 4.8 |
| Dec | 28° / 18° | 169 | 19.1 | 12.2 | 4.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 18% of the time across summer.
Chance of precipitation in Summer
Shanwa gets around 425 mm of rain over 52 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 12 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 6.0 kWh/m².
Hazard calendar for Shanwa
In summer, Shanwa overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Shanwa's rainy season runs November–April, when most of the year's rain falls.
Is summer a good time to visit Shanwa?
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 Shanwa for sightseeing.
What to pack for Shanwa in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Shanwa sees daytime highs around 28°C and nights near 18°C. Pack light clothes, rain gear and sun protection. About 52 days see rain.
UV index in Shanwa 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 Shanwa peaks around March 14 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (extreme).
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 | 15 | 16 | 15 | 12 | 10 | 11 | 12 | 13 | 14 | 13 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 16 | Extreme |
| Apr | 15 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 13 | Extreme |
| Oct | 14 | Extreme |
| Nov | 13 | Extreme |
| Dec | 12 | Extreme |
Air quality in Shanwa 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 Shanwa is worst in January — around 18 µg/m³ PM2.5 (moderate), about 1.8× 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) | 18 | 17 | 15 | 12 | 10 | 13 | 13 | 12 | 12 | 11 | 12 | 14 |
| Level | Moderate | Moderate | Moderate | Good | Good | Moderate | Moderate | Moderate | Good | Good | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 17 | Moderate |
| Mar | 15 | Moderate |
| Apr | 12 | Good |
| May | 10 | Good |
| Jun | 13 | Moderate |
| Jul | 13 | Moderate |
| Aug | 12 | Moderate |
| Sep | 12 | Good |
| Oct | 11 | Good |
| Nov | 12 | Good |
| Dec | 14 | Moderate |
Where is Shanwa?
Shanwa sits at 3.2°S, 33.8°E, 1,342 m above sea level, in Tanzania. The nearest listed city is Nyalikungu, 3.0 km away.
Topography around Shanwa
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Shanwa.
Within 3 km, the terrain around Shanwa has only modest variations in elevation — a maximum elevation change of 90 m around an average of 1,329 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 161 m; within 80 km, significant variations in elevation — a maximum elevation change of 506 m.
The land around Shanwa is covered by cropland (79%) within 3 km, cropland (80%) within 16 km, and cropland (79%) 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 Shanwa (-3.1667°, 33.7667°, elevation 1,342 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.