The best times to visit Nosy Be for ideal weather are

April 30th to August 5th


August 27th to October 14th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Nosy Be Travel Info

Weather in Nosy Be


Average temperatures in Nosy Be vary very little. Considering humidity, temperatures feel hot all year with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 16th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Nosy Be, the hottest months are April, November, and then March. See average monthly temperatures below. The warmest time of year is generally mid April where highs are regularly around 92.4°F (33.6°C) with temperatures rarely dropping below 74.8°F (23.8°C) at night.

Nosy Be Temperatures (Fahrenheit)


Nosy Be Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Nosy Be Perceived Temperature (F)


Nosy Be Perceived Temperature (C)



Average Nosy Be Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 89.7 82.3 74.8
Feb 89.6 82.5 75.1
Mar 90.4 83.1 74.7
Apr 91.1 83.3 74.4
May 90.4 81.9 71.8
Jun 88.6 79.3 68.3
Jul 87.8 78.6 67.1
Aug 88.4 79.1 67.6
Sep 89.4 79.9 68.5
Oct 91.9 82.6 71.9
Nov 91.5 83.2 74
Dec 90.2 82.9 74.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 32.1 27.9 23.8
Feb 32 28.1 23.9
Mar 32.4 28.4 23.7
Apr 32.8 28.5 23.6
May 32.4 27.7 22.1
Jun 31.4 26.3 20.2
Jul 31 25.9 19.5
Aug 31.3 26.2 19.8
Sep 31.9 26.6 20.3
Oct 33.3 28.1 22.2
Nov 33.1 28.4 23.3
Dec 32.3 28.3 23.7



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Nosy Be are July, May, and then August. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early July. For example, on the week of July 2nd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late December with an average of 4 days of significant precipitation the week of December 24th.

When can you find snow in Nosy Be? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Nosy Be.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Nosy Be (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 50% 0 14.4
Feb 52% 0 10.3
Mar 42% 0 9
Apr 26% 0 4.5
May 8% 0 0.8
Jun 9% 0 0.8
Jul 6% 0 1.4
Aug 9% 0 1
Sep 10% 0 1.1
Oct 9% 0 1.3
Nov 26% 0 5.3
Dec 49% 0 13.8

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 50 0 36.6
Feb 52 0 26.2
Mar 42 0 22.9
Apr 26 0 11.4
May 8 0 2
Jun 9 0 2
Jul 6 0 3.6
Aug 9 0 2.5
Sep 10 0 2.8
Oct 9 0 3.3
Nov 26 0 13.5
Dec 49 0 35.1


Humidity and Wind

Nosy Be has some very humid months, with other moderately humid months on the other side of the year. The least humid month is September (49.9% relative humidity), and the most humid month is February (74%).

Wind in Nosy Be is usually calm. The windiest month is October, followed by September and November. October’s average wind speed of around 5.4 knots (6.2 MPH or 10 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid October where average top sustained speeds reach 8.9 knots, which is considered a gentle breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Nosy Be.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 5 Light breeze 8.2 Gentle breeze
Feb 4.6 Light breeze 7.7 Gentle breeze
Mar 4.3 Light breeze 7.2 Gentle breeze
Apr 4.1 Light breeze 6.8 Light breeze
May 4.1 Light breeze 6.6 Gentle breeze
Jun 4.3 Light breeze 7.3 Gentle breeze
Jul 4.4 Light breeze 7.5 Gentle breeze
Aug 4.8 Light breeze 7.8 Gentle breeze
Sep 5.4 Light breeze 8.6 Gentle breeze
Oct 5.4 Light breeze 8.6 Gentle breeze
Nov 5.1 Light breeze 8.3 Gentle breeze
Dec 4.4 Light breeze 7.5 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 73.6%
Feb 74%
Mar 69.6%
Apr 65.3%
May 61.5%
Jun 58.8%
Jul 56.2%
Aug 53%
Sep 49.9%
Oct 51.4%
Nov 56.8%
Dec 68%


Is it Safe to Travel to Nosy Be?

Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Oct 07, 2019 there are travel warnings and regional advisories for Madagascar; exercise a high degree of caution and avoid some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Nosy Be, Madagascar is May, followed by November and July. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Nosy Be in October. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 44.3 in October means 44.3% of the tourists vs. May.



Overall Nosy Be Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 91.4°F (33°C) and 89.4°F (31.9°C) with similar temperatures in the later months. Rain is somewhat common with 3 to 13 days of significant precipitation per month. Fall is the busiest for tourism, which makes it a good time for those looking for things to do.

Winter (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the least precipitation with 2 to 3 days of precipitation per month. June – August is fairly slow season for tourism in Nosy Be, so lodging and other accommodations may cost slightly less.

Spring (September through November)

Spring daily highs range from 92.4°F (33.6°C) and 88.7°F (31.5°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 3 to 8 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Summer (December through February)

Weather is perfect this time of year in Nosy Be to be enjoyable for warm weather travelers. The average high during this season is between 90.4°F (32.4°C) and 88.7°F (31.5°C). On average, it rains or snows a very great amount: 14 to 16 times per month. These times of year are the second busiest with tourists.


Best Times to TravelMadagascar › Nosy Be, Madagascar