The most comfortable time to visit Arusha is from April to mid November, and again in early and mid December. For sun, aim for December to March; for walking, go from late May to early September.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
For sun, go from December to March. It peaks in mid February, at 68. Avoid late June to early August for this: it falls to 9, mostly because it is too cool. The clearest skies come in February, when the sky is typically 56% covered at midday (partly cloudy).
The being outside season here runs from April to mid November, with a second spell in early and mid December. It peaks in mid June, at 88. The weakest stretch is from mid February to mid March, when it drops to 45, mostly because it is often wet.
For walking, go from late May to early September. It peaks in mid July, at 72. Avoid late January to March for this: it falls to 11, mostly because it is too warm.
The year, measured
The average temperature in Arusha over the whole year is 21°C. February is the hottest month, with highs of about 28°C; July is the coldest, with lows of about 16°C. The rainy (wet) season in Arusha runs from October to May, peaking in November with a 60% chance of rain on a given day. The dry season is June to September; July is the driest month, at 14%. Winds in Arusha are highest in October, averaging 4.0 m/s (14 km/h), and lightest in January, at 2.8 m/s (10 km/h). The prevailing wind is from the E. The clearest skies in Arusha come in February, when the sky is typically 52% covered; April is the cloudiest month, at 76%.
Month by month Arusha climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 27°C | 18°C | 27°C | 58% | 56% | 2.8 m/s | 53 | 62 | 15 |
| February | 28°C | 18°C | 28°C | 56% | 52% | 3.1 m/s | 48 | 67 | 12 |
| March | 28°C | 19°C | 28°C | 47% | 58% | 3.2 m/s | 49 | 62 | 14 |
| April | 25°C | 19°C | 26°C | 55% | 76% | 3.0 m/s | 64 | 42 | 28 |
| May | 23°C | 18°C | 23°C | 41% | 73% | 2.9 m/s | 78 | 28 | 47 |
| June | 22°C | 16°C | 21°C | 28% | 67% | 3.0 m/s | 86 | 15 | 64 |
| July | 22°C | 16°C | 20°C | 14% | 65% | 3.3 m/s | 84 | 12 | 69 |
| August | 23°C | 16°C | 21°C | 23% | 60% | 3.6 m/s | 85 | 16 | 64 |
| September | 24°C | 16°C | 23°C | 25% | 56% | 3.9 m/s | 83 | 27 | 53 |
| October | 26°C | 18°C | 24°C | 44% | 56% | 4.0 m/s | 73 | 44 | 35 |
| November | 27°C | 19°C | 26°C | 60% | 63% | 3.6 m/s | 61 | 52 | 24 |
| December | 27°C | 19°C | 27°C | 45% | 60% | 3.0 m/s | 54 | 60 | 16 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Arusha weather by season
Year round, Arusha has days of about 22°C at their warmest in July, its coolest month, and 28°C in February, its warmest; the coolest hours of the day run from 16°C to 19°C through the year, and the average temperature over the year is 21°C around the clock. Rain is most likely around November and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Arusha weather in winterJune to August
Winter in Arusha has typical daily highs of about 22°C and lows of about 16°C, with a 22% chance of rain on a given day.
Arusha weather in springSeptember to November
Spring in Arusha has typical daily highs of about 26°C and lows of about 18°C, with a 43% chance of rain on a given day.
Arusha weather in summerDecember to February
Summer in Arusha has typical daily highs of about 27°C and lows of about 18°C, with a 53% chance of rain on a given day.
Arusha weather in autumnMarch to May
Autumn in Arusha has typical daily highs of about 25°C and lows of about 19°C, with a 47% chance of rain on a given day.
When is the rainy season in Arusha?
The rainy (wet) season in Arusha runs from October to May, peaking in November with a 60% chance of rain on a given day. The dry season is June to September; July is the driest month, at 14%.
What time of year is Arusha windiest?
Winds in Arusha are highest in October, averaging 4.0 m/s (14 km/h), and lightest in January, at 2.8 m/s (10 km/h). The prevailing wind is from the E.
What is the average temperature in Arusha year round?
The average temperature in Arusha over the whole year is 21°C. February is the hottest month, with highs of about 28°C; July is the coldest, with lows of about 16°C.
Where to go instead in late February, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.