Nosy Be weather by month & the best time to visit

🇲🇬 Madagascar · beach resort · tropical — wet & dry seasons climate

The best time to visit Nosy Be is July — its sunniest month (Sunshine Score 96/100), with August and June close behind. Nosy Be averages about 3,127 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 10 mm of rain in July.

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Sun hours / year

3,127

Sunniest month

July

Peak score

96/100

Rain / year

1,314 mm

Midday UV at peak

12 (extreme)

Sea at warmest

32°C / 90°F

Population

66k

Elevation

5 m

When is the best time to visit Nosy Be?

For sunshine, the best time to visit Nosy Be is July, then August and June. The dullest month is January (70/100, 309 mm of rain). The full month-by-month picture is in the table below.

How sunny is Nosy Be?

Nosy Be is one of the sunniest places on Earth: about 3,127 hours of sunshine a year. July (96/100) is noticeably better than January (70). It ranks #9 of 16 destinations in Madagascar for annual sunshine, below the national median of 3,157 hours. Rain is strongly seasonal here: roughly 60% of the year's 1,314 mm falls in the three months around January.

Sunshine Score by month

Sea temperature in Nosy Be by month

The sea off Nosy Be is warmest in March at around 32°C / 90°F, and coolest in August at 27°C / 81°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.

See Nosy Be on the interactive sunshine globe →

Nearby places for sunshine

• Dzaoudzi Mayotte · 333 km · best in Aug · 3,007 h sun/yr
• Moroni Comoros · 582 km · best in Aug · 3,029 h sun/yr
• Antananarivo Madagascar · 616 km · best in Sep · 2,966 h sun/yr
• Saint-Denis (Réunion) Réunion · 1,138 km · best in Jul · 3,187 h sun/yr
• Dar es Salaam Tanzania · 1,227 km · best in Jul · 2,837 h sun/yr
• Victoria (Seychelles) Seychelles · 1,244 km · best in Jul · 2,943 h sun/yr

Nearest destinations

• Antisiranana Madagascar · 151 km · 2,851 h sun/yr · best in Aug
• Sambava Madagascar · 228 km · 2,701 h sun/yr · best in Sep
• Maroantsetra Madagascar · 279 km · 2,206 h sun/yr · best in Sep
• Mahajanga Madagascar · 337 km · 3,261 h sun/yr · best in Jun
• Tsaratanana Madagascar · 390 km · 3,338 h sun/yr · best in Aug