December · Tanzania
Best time to visit Arusha in December Weather, crowds & prices
Weather in Arusha in December
Average temperature 22°C, 256 mm of rain, about 26 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
6.8/10
Ranked #12 of 12 months
- Avg temp
- 22°C
- Rainfall
- 256 mm
- Humidity
- 80%
- Days with 6h+ sun
- 26
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Arusha scores 6.8/10 for nature and wildlife travel - ranked #12 of 12. Expect around 22°C, 256 mm of rain, and roughly 26 days with 6+ hours of sunshine this month.
Arusha sits beneath Mount Meru as the staging town for Serengeti, Ngorongoro, and northern Tanzania safaris.
December in Arusha: mixed conditions, plan around the weather
December averages 22°C (72°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
256 mm makes this the wettest stretch of the year, though about 26 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 6.8/10 here, 12th of 12 months, against 9.5/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? October scores 2.7 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Arusha in December?
- In December, Arusha averages 22°C, 256 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 6.8/10.
- Is December a good time to visit Arusha?
- December earns a 6.8/10 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 December?
- Expect about 256 mm of rain in December. Average humidity is 80% and there are about 26 days with 6+ hours of sunshine.
Curated in Arusha
Tickets & experiences
Things to do in Arusha
Arusha, Tanzania. Live activities and tours from GetYourGuide, matched to this destination.