January · Tanzania
Best time to visit Arusha in January Weather, crowds & prices
Weather in Arusha in January
Average temperature 22°C, 130 mm of rain, about 28 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
January score
7.8/10
Ranked #5 of 12 months
- Avg temp
- 22°C
- Rainfall
- 130 mm
- Humidity
- 76%
- Days with 6h+ sun
- 28
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
January in Arusha scores 7.8/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 22°C, 130 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.
Arusha sits beneath Mount Meru as the staging town for Serengeti, Ngorongoro, and northern Tanzania safaris.
January in Arusha: strong conditions, 5th of 12
Trail conditions at 22°C (71°F) favour early starts and shaded routes in January; midday is for water breaks, not for exposed climbs.
130 mm of rain makes this a wet month here, though with about 28 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.8/10 on the same scale — 5th of 12 months, versus 9.5/10 for the best month here.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
Budget for mid-season pricing, and crowds are moderate.
If your dates are flexible, October is materially better in Arusha — 1.7 points higher on the same scale.
Frequently asked
- What is the weather like in Arusha in January?
- In January, Arusha averages 22°C, 130 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 7.8/10.
- Is January a good time to visit Arusha?
- January earns a 7.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Arusha in January?
- Expect about 130 mm of rain in January. Average humidity is 76% and there are about 28 days with 6+ hours of sunshine.
Curated in Arusha
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Arusha, Tanzania. Live activities and tours from GetYourGuide, matched to this destination.