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Tanzania Weather Guide – Climate, Seasons & When to Visit

Tanzania is a tropical country near the equator. We don’t have Winter and Summer; we have “Dry Season” (June–Oct) and “Green Season” (Nov–May).

One of the biggest misconceptions about Tanzania is that it is hot everywhere, all the time. While the coast (Zanzibar) is tropical and warm, the Northern Safari Circuit (Serengeti, Ngorongoro) is at a high altitude. This means mornings can be surprisingly chilly!

Here is the definitive guide to weather patterns so you know exactly what to pack.

The Two Main Seasons

Tanzania doesn’t follow the typical four seasons (Spring, Summer, Autumn, Winter). Instead, our calendar is dictated by the rains.

1. The Long Dry Season (June – October)

  • The Vibe: Blue skies, dusty roads, and cool evenings.
  • Safari Conditions: Excellent. The grass is short, and animals gather at waterholes.
  • Temperature:

                 -Day: Pleasant (25°C / 77°F).

               -Night: Chilly! In the Ngorongoro Crater, it can drop to 6°C (43°F). You will need a fleece jacket for morning game drives.

2. The Short Rains (November – December)

  • The Vibe: Refreshing. The dust settles, and the grass turns green.
  • Rain Pattern: It usually rains for 1–2 hours in the afternoon or at night. It rarely rains all day.
  • Safari Conditions: Good. This is the start of the “Green Season.”

3. The Short Dry Season (January – February)

  • The Vibe: Hot and dry.
  • Safari Conditions: This is the “Calving Season” in the Serengeti. It is arguably the best time for clear photography.
  • Temperature: This is the hottest time of the year. Highs of 30°C (86°F) are common.

4. The Long Rains (March – May)

  • The Vibe: Lush, dramatic, and wet.
  • Rain Pattern: Heavy tropical downpours are common, especially in April.
  • Safari Conditions: Some lodges close during this time. Roads can be muddy. However, the landscapes are incredibly beautiful and free of crowds.

Regional Weather Breakdown

Northern Parks (Serengeti, Tarangire, Arusha)

  • Altitude: High (1,500m – 2,400m).
  • Weather: Temperate. It feels like a perpetual spring/autumn.
  • Clothing: Layers are essential. T-shirt at noon, sweater at 6 AM.

The Coast & Zanzibar

  • Altitude: Sea Level.
  • Weather: Hot and Humid year-round.
  • Clothing: Swimwear and light linens. It never gets “cold” here.
  • Best Beach Weather: July–September (Cooler & Dry) and January–February (Hot & Dry).
  • Avoid: April and May (Many beach resorts close due to heavy monsoon rains).

Mount Kilimanjaro

  • Altitude: Extreme (5,895m at peak).
  • Weather: Varies by zone. Rainforest at the bottom (warm/wet), Arctic desert at the top (freezing).
  • Summit Night: Temperatures can drop to -15°C to -20°C.

Month-by-Month Temperature & Rain Chart

Month Avg Day Temp (Safari) Avg Rain Risk Clothing Advice
Jan 29°C / 84°F Low Shorts & T-shirts
Feb 30°C / 86°F Low Shorts & T-shirts
Mar 29°C / 84°F Medium Light Rain Jacket
Apr 26°C / 79°F High Rain Poncho & Boots
May 25°C / 77°F Medium Rain Jacket
Jun 24°C / 75°F Very Low Fleece Jacket needed
Jul 24°C / 75°F Very Low Fleece Jacket needed
Aug 25°C / 77°F Very Low Light Sweater
Sep 27°C / 80°F Low T-shirts
Oct 28°C / 82°F Low T-shirts
Nov 28°C / 82°F Medium Light Rain Jacket
Dec 28°C / 82°F Medium Light Rain Jacket

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