Sunshine Atlas

Nosy Be weather by month & the best time to visit

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

Nosy Be, Madagascar
Nosy Be — photo by Jokromberg, CC BY-SA 4.0 via Wikimedia Commons

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.

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

January: 70February: 70March: 70April: 82May: 92June: 95July: 9696August: 96September: 95October: 93November: 79December: 70JFMAMJJASOND
MonthScoreDay highNight lowRainUVSea
January70 29° / 84°F26° / 79°F 309 mm1131° / 88°F
February70 29° / 84°F26° / 79°F 247 mm1231° / 88°F
March70 29° / 84°F26° / 79°F 235 mm1232° / 90°F
April82 30° / 86°F26° / 79°F 83 mm1132° / 90°F
May92 29° / 84°F25° / 77°F 31 mm931° / 88°F
June95 28° / 82°F24° / 75°F 13 mm829° / 84°F
July96 27° / 81°F23° / 73°F 10 mm828° / 82°F
August96 28° / 82°F23° / 73°F 8 mm1027° / 81°F
September95 28° / 82°F23° / 73°F 13 mm1128° / 82°F
October93 29° / 84°F24° / 75°F 27 mm1229° / 84°F
November79 30° / 86°F25° / 77°F 101 mm1231° / 88°F
December70 29° / 84°F26° / 79°F 237 mm1131° / 88°F

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 map →

Nearest destinations

Nosy Be: questions and answers

What kind of destination is Nosy Be?

Nosy Be is a beach resort in Madagascar with a tropical — wet & dry seasons climate — the sea reaches 32°C at its warmest and is swimmable (21°C+) year-round.

How many hours of sunshine does Nosy Be get a year?

Nosy Be gets about 3,127 hours of sunshine a year, at its best around July.

When is the best time to visit Nosy Be?

The sunniest time to visit Nosy Be is July, when the Sunshine Score peaks at 96/100 (with August and June close behind). Expect daytime highs around 27°C / 81°F.

What is the least sunny month in Nosy Be?

January is the least sunny month in Nosy Be, scoring 70/100 with about 309 mm of rain.

What is the sea temperature in Nosy Be?

The sea in Nosy Be ranges from about 27°C (August) to 32°C (March). Month-by-month sea temperatures are on this page.

How strong is the sun in Nosy Be?

The typical midday UV index in Nosy Be peaks around 12 (extreme) in February, easing to about 8 (very high) in June. Month-by-month midday UV values are in the UV column of the table on this page.

Put the Nosy Be sunshine badge on your site

A compact badge showing Nosy Be's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:

Live preview — this is exactly what your readers see: