Nansio in Summer
In summer (December, January and February), Nansio sees average daytime highs around 25°C and overnight lows near 22°C, with 619 mm of rain over about 69 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 25°C. The sky is clear or mostly clear about 24% of the time across summer, and the air most often feels muggy.
Summer is Nansio's 3rd-best season to visit on our travel score. Nansio has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Nansio's year-round climate.
- Avg daytime high
- 25°C
- 2nd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 619 mm
- 69 wet days
- Avg wind
- 11 km/h
- Travel score
- 4.7
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Nansio in Summer
Across summer, daytime highs hold fairly steady around 25°C.
A typical summer day in Nansio reaches about 25°C and drops to 22°C overnight. The warmest of the three months is February, the coolest December.
Nansio 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 | 25° / 22° | 200 | 23.9 | 12.1 | 4.7 |
| Feb | 26° / 22° | 149 | 18.2 | 12.1 | 5.1 |
| Mar | 26° / 22° | 230 | 21.7 | 12 | 4.9 |
| Apr | 25° / 22° | 257 | 21.8 | 12 | 4.7 |
| May | 26° / 22° | 128 | 16.3 | 11.9 | 5.9 |
| Jun | 25° / 22° | 45 | 8.2 | 11.9 | 7.2 |
| Jul | 25° / 21° | 17 | 3.9 | 11.9 | 8.2 |
| Aug | 25° / 21° | 70 | 10.4 | 11.9 | 7.1 |
| Sep | 25° / 22° | 128 | 17.6 | 12 | 5.7 |
| Oct | 25° / 22° | 253 | 25.8 | 12 | 4.3 |
| Nov | 25° / 21° | 303 | 27 | 12.1 | 4.0 |
| Dec | 25° / 22° | 270 | 26.9 | 12.1 | 4.3 |
Cloud cover in Summer
The sky is clear or mostly clear about 24% of the time across summer.
Chance of precipitation in Summer
Nansio gets around 619 mm of rain over 69 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 06 min in early December to 12 hours 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 6.1 kWh/m².
Hazard calendar for Nansio
In summer, Nansio overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Nansio's rainy season runs October–April, when most of the year's rain falls.
Is summer a good time to visit Nansio?
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 Nansio for sightseeing.
What to pack for Nansio in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Nansio sees daytime highs around 25°C and nights near 22°C. Pack rain gear and sun protection. Worth having: light clothes. About 69 days see rain.
UV index in Nansio 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 Nansio peaks around March 16 at about 16 (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 | 15 | 16 | 15 | 12 | 10 | 11 | 11 | 13 | 14 | 13 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | 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 | Very high |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 13 | Extreme |
| Oct | 14 | Extreme |
| Nov | 13 | Extreme |
| Dec | 12 | Extreme |
Air quality in Nansio 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 Nansio is worst in January — around 18 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 8 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 | 16 | 11 | 9 | 10 | 14 | 16 | 15 | 13 | 9 | 8 | 10 |
| Level | Moderate | Moderate | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 16 | Moderate |
| Mar | 11 | Good |
| Apr | 9 | Good |
| May | 10 | Good |
| Jun | 14 | Moderate |
| Jul | 16 | Moderate |
| Aug | 15 | Moderate |
| Sep | 13 | Moderate |
| Oct | 9 | Good |
| Nov | 8 | Good |
| Dec | 10 | Good |
Where is Nansio?
Nansio sits at 2.1°S, 33.0°E, 1,134 m above sea level, in Tanzania. The nearest listed city is Muriti, 22 km away.
Topography around Nansio
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nansio.
Within 3 km, the terrain around Nansio has only modest variations in elevation — a maximum elevation change of 72 m around an average of 1,143 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 188 m; within 80 km, significant variations in elevation — a maximum elevation change of 473 m.
The land around Nansio is covered by water (69%) within 3 km, water (63%) within 16 km, and water (66%) and cropland (25%) 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 Nansio (-2.1333°, 33.05°, elevation 1,134 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.