Arusha in Spring
In spring (September, October and November), Arusha sees average daytime highs around 24°C and overnight lows near 14°C, with 137 mm of rain over about 26 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Across spring, daytime highs hold fairly steady around 24°C. The sky is clear or mostly clear about 21% of the time across spring, and the air most often feels dry.
Spring is Arusha's 2nd-best season to visit on our travel score. For the whole year in context, see Arusha's year-round climate.
- Avg daytime high
- 24°C
- 2nd-warmest season
- Avg overnight low
- 14°C
- Rainfall
- 137 mm
- 26 wet days
- Avg wind
- 7 km/h
- Travel score
- 7.0
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Arusha in Spring
Across spring, daytime highs hold fairly steady around 24°C.
A typical spring day in Arusha reaches about 24°C and drops to 14°C overnight. The warmest of the three months is October, the coolest September.
Arusha weather by month
How the three spring months (September, October and November) 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 | 26° / 15° | 82 | 10.6 | 12.2 | 6.6 |
| Feb | 27° / 15° | 73 | 8.9 | 12.1 | 6.5 |
| Mar | 26° / 16° | 143 | 16.7 | 12 | 5.6 |
| Apr | 24° / 16° | 145 | 21.7 | 11.9 | 4.9 |
| May | 22° / 14° | 50 | 11.9 | 11.8 | 6.2 |
| Jun | 21° / 12° | 7 | 2.3 | 11.8 | 7.3 |
| Jul | 21° / 11° | 4 | 1.1 | 11.8 | 7.5 |
| Aug | 22° / 11° | 4 | 1.1 | 11.9 | 7.8 |
| Sep | 24° / 12° | 4 | 1.1 | 12 | 8.3 |
| Oct | 25° / 14° | 30 | 7.3 | 12.1 | 7.2 |
| Nov | 25° / 15° | 103 | 17.7 | 12.2 | 5.6 |
| Dec | 25° / 15° | 108 | 16.7 | 12.2 | 5.7 |
Cloud cover in Spring
The sky is clear or mostly clear about 21% of the time across spring.
Chance of precipitation in Spring
Arusha gets around 137 mm of rain over 26 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 7 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 54 min in early September to 12 h 12 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.8 kWh/m².
Hazard calendar for Arusha
In spring, Arusha overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Arusha's rainy season runs November–April, when most of the year's rain falls.
Is spring a good time to visit Arusha?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is one of the better times to visit Arusha for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Arusha in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Arusha sees daytime highs around 24°C and nights near 14°C. Pack rain gear and sun protection. Worth having: light clothes. About 26 days see rain.
UV index in Arusha in Spring
Clear-sky midday UV across spring 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 Arusha peaks around March 14 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 10 (extreme).
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 | 16 | 16 | 15 | 12 | 10 | 11 | 11 | 14 | 14 | 14 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 16 | Extreme |
| Mar | 16 | Extreme |
| Apr | 15 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 14 | Extreme |
| Oct | 14 | Extreme |
| Nov | 14 | Extreme |
| Dec | 13 | Extreme |
Air quality in Arusha in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Arusha is worst in June — around 16 µg/m³ PM2.5 (moderate), about 1.7× 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) | 14 | 13 | 13 | 12 | 13 | 16 | 16 | 13 | 12 | 11 | 10 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 13 | Moderate |
| Mar | 13 | Moderate |
| Apr | 12 | Moderate |
| May | 13 | Moderate |
| Jun | 16 | Moderate |
| Jul | 16 | Moderate |
| Aug | 13 | Moderate |
| Sep | 12 | Good |
| Oct | 11 | Good |
| Nov | 10 | Good |
| Dec | 13 | Moderate |
Where is Arusha?
Arusha sits at 3.4°S, 36.7°E, 1,415 m above sea level, in Tanzania. The nearest listed city is Usa River, 19 km away.
Topography around Arusha
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arusha.
Within 3 km, the terrain around Arusha has only modest variations in elevation — a maximum elevation change of 236 m around an average of 1,419 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,490 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,854 m.
The land around Arusha is covered by artificial surfaces (57%) and trees (36%) within 3 km, trees (30%), cropland (25%) and grassland (23%) within 16 km, and grassland (41%) and shrubs (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 Arusha (-3.3667°, 36.6833°, elevation 1,415 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.