Izazi in Summer
In summer (December, January and February), Izazi sees average daytime highs around 30°C and overnight lows near 21°C, with 265 mm of rain over about 42 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 32°C in early December to 30°C by late February. The sky is clear or mostly clear about 22% of the time across summer, and the air most often feels muggy.
Summer is Izazi's weakest season of the year to visit on our travel score. For the whole year in context, see Izazi's year-round climate.
- Avg daytime high
- 30°C
- 2nd-warmest season
- Avg overnight low
- 21°C
- Rainfall
- 265 mm
- 42 wet days
- Avg wind
- 6 km/h
- Travel score
- 4.2
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Izazi in Summer
Over the season highs ease from about 32°C in early December to 30°C by late February.
A typical summer day in Izazi reaches about 30°C and drops to 21°C overnight. The warmest of the three months is December, the coolest February.
How summer really feels in Izazi
Once humidity and wind are folded in, summer brings about 9 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Izazi 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 | 30° / 21° | 101 | 16.3 | 12.4 | 4.2 |
| Feb | 30° / 21° | 76 | 13.7 | 12.2 | 4.3 |
| Mar | 30° / 21° | 88 | 15.3 | 12 | 4.3 |
| Apr | 30° / 20° | 47 | 9 | 11.8 | 5.1 |
| May | 30° / 19° | 4 | 1 | 11.7 | 6.1 |
| Jun | 29° / 17° | 0 | 0 | 11.6 | 7.0 |
| Jul | 28° / 16° | 0 | 0 | 11.6 | 7.6 |
| Aug | 29° / 16° | 0 | 0 | 11.8 | 7.0 |
| Sep | 31° / 17° | 0 | 0 | 12 | 6.0 |
| Oct | 32° / 19° | 4 | 0.5 | 12.2 | 4.9 |
| Nov | 33° / 20° | 23 | 3.6 | 12.3 | 4.1 |
| Dec | 31° / 21° | 88 | 12 | 12.4 | 4.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 22% of the time across summer.
Chance of precipitation in Summer
Izazi gets around 265 mm of rain over 42 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 6 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 24 min in early December to 12 h 12 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 Izazi
In summer, Izazi overlaps its cyclone season. The full year is below, with each hazard's peak months called out.
Izazi sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is summer a good time to visit Izazi?
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 Izazi for sightseeing.
What to pack for Izazi in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Izazi sees daytime highs around 30°C and nights near 21°C. Pack light clothes, rain gear and sun protection. About 42 days see rain.
UV index in Izazi in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Izazi peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 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) | 12 | 15 | 16 | 14 | 11 | 10 | 11 | 11 | 12 | 14 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 15 | Extreme |
| Mar | 16 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 14 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in Izazi 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 Izazi is worst in September — around 21 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (May, 7 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) | 10 | 11 | 10 | 8 | 7 | 7 | 10 | 15 | 21 | 18 | 13 | 8 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 11 | Good |
| Mar | 10 | Good |
| Apr | 8 | Good |
| May | 7 | Good |
| Jun | 7 | Good |
| Jul | 10 | Good |
| Aug | 15 | Moderate |
| Sep | 21 | Moderate |
| Oct | 18 | Moderate |
| Nov | 13 | Moderate |
| Dec | 8 | Good |
Where is Izazi?
Izazi sits at 7.2°S, 35.7°E, 727 m above sea level, in Tanzania. The nearest listed city is Ilula, 63 km away.
Topography around Izazi
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Izazi.
Within 3 km, the terrain around Izazi has only modest variations in elevation — a maximum elevation change of 73 m around an average of 729 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 713 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,911 m.
The land around Izazi is covered by shrubs (63%) and grassland (34%) within 3 km, shrubs (48%), water (25%) and grassland (20%) within 16 km, and shrubs (51%) and grassland (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 Izazi (-7.2°, 35.7333°, elevation 727 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.