Nungwi, Tanzania: vitamin D, best months and travel guide
Northern beach with sunsets and clear water. Best for: couples, divers, party travellers.
The best months for vitamin D in Nungwi are January, May, June, October, when a full dose takes about 6 minutes at midday. Rainy or stormy from February to April and from July to September and from November to December.
Nungwi month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Excellent | 7.5 h | 8.1 | 7 min | 29°C | 17/30 |
| February | Bad weather | 8.4 h | 9.1 | 6 min | 31°C | 20/30 |
| March | Bad weather | 8.1 h | 8.9 | 6 min | 31°C | 24/30 |
| April | Bad weather | 6.3 h | 7.2 | 7 min | 28°C | 26/30 |
| May | Excellent | 7.4 h | 7.6 | 7 min | 29°C | 13/30 |
| June | Excellent | 7.2 h | 7.1 | 8 min | 29°C | 15/30 |
| July | Bad weather | 7.5 h | 7.2 | 7 min | 28°C | 20/30 |
| August | Bad weather | 8.1 h | 8.2 | 7 min | 28°C | 20/30 |
| September | Bad weather | 8.4 h | 8.6 | 6 min | 28°C | 22/30 |
| October | Excellent | 8.6 h | 9.0 | 6 min | 30°C | 17/30 |
| November | Bad weather | 8.7 h | 9.0 | 6 min | 30°C | 19/30 |
| December | Bad weather | 8.4 h | 8.6 | 6 min | 29°C | 24/30 |
Sun window is the number of hours a day with UV Index 2.5 or higher. Full dose is the minutes at midday for about 1,000 IU of vitamin D with a quarter of the body bare, for skin type III. Rainy days are days with at least 1 mm out of 30.
What to expect in Nungwi
Northern beach with sunsets and clear water. Hot and humid coast, two rainy seasons (long rains April to May, short rains November). Beaches have strong tides at some sites. Dress modestly in Stone Town.
In Nungwi afternoon highs average from 28°C in July to 31°C in February. The wettest month is April (about 26 rainy days out of 30) and the driest is May (13). Midday UV peaks at 9.1 in February, which is very strong, so protect your skin.
More about Tanzania · Tanzania in October · Best places in October
Questions about Nungwi
When is the best time to visit Nungwi for vitamin D?
The best months for vitamin D in Nungwi are January, May, June, October, when a full dose takes about 6 minutes at midday.
What is the weather like in Nungwi?
Afternoon highs average from 28°C in July to 31°C in February. The wettest month is April, with about 26 rainy days out of 30.
Which months should I avoid in Nungwi?
For a beach stay, avoid the months when it is rainy or stormy from February to April and from July to September and from November to December.