Nyamuswa in Summer
In summer (December, January and February), Nyamuswa sees average daytime highs around 28°C and overnight lows near 18°C, with 428 mm of rain over about 59 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 20% of the time across summer, and the air most often feels humid.
Summer is Nyamuswa's 3rd-best season to visit on our travel score. For the whole year in context, see Nyamuswa's year-round climate.
- Avg daytime high
- 28°C
- coldest season of the year
- Avg overnight low
- 18°C
- Rainfall
- 428 mm
- 59 wet days
- Avg wind
- 6 km/h
- Travel score
- 4.7
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Nyamuswa in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Nyamuswa reaches about 28°C and drops to 18°C overnight. The warmest of the three months is February, the coolest January.
Nyamuswa 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° | 143 | 20 | 12.1 | 4.9 |
| Feb | 29° / 18° | 113 | 17.1 | 12.1 | 4.5 |
| Mar | 29° / 18° | 150 | 19.8 | 12 | 4.4 |
| Apr | 28° / 18° | 160 | 20.3 | 12 | 4.6 |
| May | 28° / 18° | 73 | 12.9 | 11.9 | 5.7 |
| Jun | 28° / 18° | 27 | 5.9 | 11.9 | 6.2 |
| Jul | 29° / 18° | 13 | 3.2 | 11.9 | 6.3 |
| Aug | 29° / 18° | 33 | 6 | 11.9 | 5.8 |
| Sep | 30° / 19° | 47 | 8.7 | 12 | 5.1 |
| Oct | 30° / 19° | 88 | 14.2 | 12 | 4.5 |
| Nov | 28° / 18° | 166 | 20.5 | 12.1 | 4.4 |
| Dec | 27° / 18° | 173 | 21.8 | 12.1 | 4.7 |
Cloud cover in Summer
The sky is clear or mostly clear about 20% of the time across summer.
Chance of precipitation in Summer
Nyamuswa gets around 428 mm of rain over 59 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 6 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 6.0 kWh/m².
Hazard calendar for Nyamuswa
In summer, Nyamuswa overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Nyamuswa's rainy season runs October–April, when most of the year's rain falls.
Is summer a good time to visit Nyamuswa?
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 Nyamuswa for sightseeing.
What to pack for Nyamuswa in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Nyamuswa sees daytime highs around 28°C and nights near 18°C. Pack light clothes, rain gear and sun protection. About 59 days see rain.
UV index in Nyamuswa 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 Nyamuswa peaks around March 17 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) | 15 | 15 | 16 | 15 | 12 | 9 | 11 | 12 | 13 | 14 | 13 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 16 | Extreme |
| Apr | 15 | Extreme |
| May | 12 | Extreme |
| Jun | 9 | Very high |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 13 | Extreme |
| Oct | 14 | Extreme |
| Nov | 13 | Extreme |
| Dec | 12 | Extreme |
Air quality in Nyamuswa 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 Nyamuswa is worst in July — around 20 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 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 | 16 | 13 | 11 | 12 | 18 | 20 | 16 | 15 | 11 | 10 | 12 |
| Level | Moderate | Moderate | Moderate | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 16 | Moderate |
| Mar | 13 | Moderate |
| Apr | 11 | Good |
| May | 12 | Good |
| Jun | 18 | Moderate |
| Jul | 20 | Moderate |
| Aug | 16 | Moderate |
| Sep | 15 | Moderate |
| Oct | 11 | Good |
| Nov | 10 | Good |
| Dec | 12 | Good |
Where is Nyamuswa?
Nyamuswa sits at 1.9°S, 34.0°E, 1,386 m above sea level, in Tanzania. The nearest listed city is Butiama, 16 km away.
Topography around Nyamuswa
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nyamuswa.
Within 3 km, the terrain around Nyamuswa has only modest variations in elevation — a maximum elevation change of 176 m around an average of 1,370 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 573 m; within 80 km, large variations in elevation — a maximum elevation change of 656 m.
The land around Nyamuswa is covered by cropland (57%) and shrubs (21%) within 3 km, cropland (53%) and shrubs (28%) within 16 km, and grassland (33%) and cropland (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 Nyamuswa (-1.9°, 34.0167°, elevation 1,386 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.