Sirari in Winter
In winter (June, July and August), Sirari sees average daytime highs around 27°C and overnight lows near 16°C, with 110 mm of rain over about 23 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 16% of the time across winter, and the air most often feels comfortable.
Winter is Sirari's best season of the year to visit on our travel score. For the whole year in context, see Sirari's year-round climate.
- Avg daytime high
- 27°C
- coldest season of the year
- Avg overnight low
- 16°C
- Rainfall
- 110 mm
- 23 wet days
- Avg wind
- 7 km/h
- Travel score
- 6.7
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Sirari in Winter
Across winter, daytime highs hold fairly steady around 27°C.
A typical winter day in Sirari reaches about 27°C and drops to 16°C overnight. The warmest of the three months is August, the coolest July.
Sirari 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 | 27° / 17° | 135 | 18.6 | 12.1 | 5.2 |
| Feb | 28° / 17° | 100 | 15.3 | 12 | 5.3 |
| Mar | 28° / 17° | 156 | 19.8 | 12 | 4.9 |
| Apr | 27° / 17° | 189 | 20.8 | 12 | 4.6 |
| May | 26° / 17° | 105 | 16.2 | 11.9 | 5.6 |
| Jun | 26° / 17° | 42 | 8.4 | 11.9 | 6.6 |
| Jul | 27° / 16° | 24 | 5.6 | 11.9 | 7.0 |
| Aug | 27° / 17° | 44 | 8.6 | 12 | 6.5 |
| Sep | 28° / 17° | 58 | 10 | 12 | 5.9 |
| Oct | 28° / 17° | 104 | 14.1 | 12 | 5.2 |
| Nov | 27° / 17° | 207 | 20.4 | 12.1 | 4.7 |
| Dec | 26° / 17° | 187 | 22.3 | 12.1 | 4.8 |
Cloud cover in Winter
The sky is clear or mostly clear about 16% of the time across winter.
Chance of precipitation in Winter
Sirari gets around 110 mm of rain over 23 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 7 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 54 min in early June to 12 hours 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 5.4 kWh/m².
Is winter a good time to visit Sirari?
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 a reasonable time to visit Sirari for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Sirari in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Sirari sees daytime highs around 27°C and nights near 16°C. Pack light clothes. Worth having: rain gear and sun protection. About 23 days see rain.
UV index in Sirari in Winter
Clear-sky midday UV across winter averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sirari 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) | 15 | 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 | 15 | 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 Sirari 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 Sirari is worst in July — around 46 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (October, 28 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) | 31 | 28 | 30 | 29 | 31 | 39 | 46 | 35 | 31 | 28 | 28 | 28 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 31 | Moderate |
| Feb | 28 | Moderate |
| Mar | 30 | Moderate |
| Apr | 29 | Moderate |
| May | 31 | Moderate |
| Jun | 39 | Poor |
| Jul | 46 | Poor |
| Aug | 35 | Moderate |
| Sep | 31 | Moderate |
| Oct | 28 | Moderate |
| Nov | 28 | Moderate |
| Dec | 28 | Moderate |
Where is Sirari?
Sirari sits at 1.3°S, 34.5°E, 1,679 m above sea level, in Tanzania. The nearest listed city is Isebania, 3.0 km away.
Topography around Sirari
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sirari.
Within 3 km, the terrain around Sirari has only modest variations in elevation — a maximum elevation change of 188 m around an average of 1,606 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 531 m; within 80 km, large variations in elevation — a maximum elevation change of 1,107 m.
The land around Sirari is covered by cropland (37%) and trees (30%) within 3 km, cropland (51%) and trees (20%) within 16 km, and grassland (37%) and shrubs (20%) 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 Sirari (-1.2537°, 34.476°, elevation 1,679 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.