Kasulu in Winter
In winter (June, July and August), Kasulu sees average daytime highs around 28°C and overnight lows near 16°C, with 28 mm of rain over about 6 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 27°C in early June to 29°C by late August. The sky is clear or mostly clear about 34% of the time across winter, and the air most often feels dry.
Winter is Kasulu's best season of the year to visit on our travel score. For the whole year in context, see Kasulu's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 16°C
- Rainfall
- 28 mm
- 6 wet days
- Avg wind
- 6 km/h
- Travel score
- 7.4
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Kasulu in Winter
Over the season highs climb from about 27°C in early June to 29°C by late August.
A typical winter day in Kasulu reaches about 28°C and drops to 16°C overnight. The warmest of the three months is August, the coolest July.
Kasulu weather by month
How the three winter months (June, July and August) 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° / 17° | 235 | 28.3 | 12.2 | 3.8 |
| Feb | 26° / 17° | 189 | 24.3 | 12.1 | 4.0 |
| Mar | 26° / 17° | 214 | 27.3 | 12 | 4.0 |
| Apr | 25° / 17° | 172 | 23.7 | 11.9 | 4.3 |
| May | 26° / 17° | 68 | 11.1 | 11.8 | 6.4 |
| Jun | 27° / 16° | 14 | 3 | 11.7 | 7.6 |
| Jul | 27° / 16° | 3 | 0.8 | 11.8 | 7.9 |
| Aug | 29° / 17° | 11 | 1.8 | 11.9 | 6.8 |
| Sep | 29° / 18° | 36 | 6.4 | 12 | 5.7 |
| Oct | 28° / 18° | 136 | 17 | 12.1 | 4.9 |
| Nov | 26° / 17° | 231 | 25.5 | 12.2 | 4.0 |
| Dec | 25° / 17° | 257 | 28.9 | 12.3 | 3.8 |
Cloud cover in Winter
The sky is clear or mostly clear about 34% of the time across winter.
Chance of precipitation in Winter
Kasulu gets around 28 mm of rain over 6 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 6 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 48 min in early June to 11 h 54 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 5.6 kWh/m².
Hazard calendar for Kasulu
None of Kasulu's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Kasulu sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Kasulu's rainy season runs October–April, when most of the year's rain falls.
Is winter a good time to visit Kasulu?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is one of the better times to visit Kasulu for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Kasulu in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Kasulu sees daytime highs around 28°C and nights near 16°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.
UV index in Kasulu in Winter
Clear-sky midday UV across winter averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Kasulu peaks around March 14 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 14 at about 8 (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) | 10 | 15 | 16 | 15 | 12 | 10 | 11 | 8 | 13 | 14 | 13 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| Feb | 15 | Extreme |
| Mar | 16 | Extreme |
| Apr | 15 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Very high |
| Jul | 11 | Extreme |
| Aug | 8 | Very high |
| Sep | 13 | Extreme |
| Oct | 14 | Extreme |
| Nov | 13 | Extreme |
| Dec | 12 | Extreme |
Air quality in Kasulu in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Kasulu is worst in July — around 47 µg/m³ PM2.5 (poor), about 3.3× the cleanest month (April, 14 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 | 17 | 14 | 18 | 35 | 47 | 43 | 36 | 23 | 17 | 16 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 20 | Moderate |
| Feb | 20 | Moderate |
| Mar | 17 | Moderate |
| Apr | 14 | Moderate |
| May | 18 | Moderate |
| Jun | 35 | Moderate |
| Jul | 47 | Poor |
| Aug | 43 | Poor |
| Sep | 36 | Poor |
| Oct | 23 | Moderate |
| Nov | 17 | Moderate |
| Dec | 16 | Moderate |
Where is Kasulu?
Kasulu sits at 4.6°S, 30.1°E, 1,310 m above sea level, in Tanzania. The nearest listed city is Mwandiga, 57 km away.
Topography around Kasulu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kasulu.
Within 3 km, the terrain around Kasulu has significant variations in elevation — a maximum elevation change of 288 m around an average of 1,320 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 629 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,720 m.
The land around Kasulu is covered by artificial surfaces (29%), cropland (27%) and trees (21%) within 3 km, grassland (49%) and cropland (28%) within 16 km, and grassland (35%), cropland (22%) and trees (21%) 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 Kasulu (-4.5767°, 30.1025°, elevation 1,310 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.