Climate and monthly weather forecastAntalaha, Madagascar
Climate and monthly weather forecast
The climate of Antalaha
Antalaha, Madagascar, nestled within the Tropical rainforest per the Köppen climate classification, maintains a relatively constant climatic atmosphere, where averages do not fluctuate too much throughout the year. With an Af predominance, this tropical town experiences a perpetual presence of heat, humidity, and rainfall.A survey of the yearly temperatures highlights a narrow range with highs moving from 24.7°C (76.5°F) to 29.8°C (85.6°F) and lows wavering within a few degrees from 19.3°C (66.7°F) to 23.6°C (74.5°F). Humidity seems to be a constant companion of Antalaha with monthly averages ranging between 78% to 82%. The steady stream of warmth couples with this substantial moisture content to form an almost muggy atmosphere.
A year's span sees rainfall ranging from 29mm (1.14") to 132mm (5.2") monthly, with the heavier downpours predominantly seen at the end of the year and the start of the next, and in March. The year rolls out with a high record of rainfall days reaching from 16.7 days to 27.4 days each month. The sea, in contrast, provides a steady cooling effect with minimal fluctuating temperatures, which oscillate between 24.7°C (76.5°F) to 29°C (84.2°F).
Wind speeds differ throughout the year from the gentler breezes at 9.6km/h (6mph) to a gustier belt reaching 17.6km/h (10.9mph). Even the sunshine hours per day reflect a modest spread across the year from a low of 5.7 hours to a peak of 10.6 hours. Travellers and locals can expect a visibility of 10km (6.2mi) throughout all months, showing a clear, unobstructed view of the town.
The best time to visit Antalaha
The best time to venture to Antalaha would be during the months of October and November. These months herald a slight tapering down of the rainfall, allowing for more outdoor activities with rainfall dropping to around 29mm (1.14") and 36mm (1.42") respectively. The days lengthen to approximately 12.4 hours in October and 12.8 hours in November, maximizing sunny daylight. Alongside the longer days, these months enjoy a rapid increase in the amount of sunshine received per day, ramping up to approximately 8.1 hours and 8.4 hours per day.The worst time to visit Antalaha
Conversely, the months at the beginning and year end would not be an ideal time to plan a visit to Antalaha. The months of January, February, and March witness a deluge of rain reaching upwards of 132mm (5.2") in January and March with 96mm (3.78") in February. The number of rainfall days also peak within these months, substantiating the high precipitation levels. In tandem with the rain, the prevailing wind speed in March escalates to 11.2km/h (7mph), further compounding the inhospitable conditions.Spring weather in Antalaha
The season of spring in Antalaha is defined by gradually decreasing temperature scales. The high temperature oscillates from 29.4°C (84.9°F) in March, showing a downward trajectory to 27.3°C (81.1°F) in May. Similarly, lows follow a similar dipping trend, with the average temperature moving from 23.5°C (74.3°F) in March to 20.8°C (69.4°F) by May. Simultaneously, rainfall sees a steady decrease, bringing some relief from the earlier heavy downpours. The rainfall amount moves from 132mm (5.2") in March to a lesser 51mm (2.01") by May.Summer weather in Antalaha
June through to August marks the summer months in Antalaha. The summer months see a lowering of both peak and minimum temperatures, dipping to 24.7°C (76.5°F) and 24.8°C (76.6°F) respectively for the highs, while the lows decrease to 19.7°C (67.5°F) and 19.3°C (66.7°F). The rainfall also shows a decided decrease, dropping to 56mm (2.2") in June, 46mm (1.81") in July, and furthering this downward trend to 32mm (1.26") in August. Despite these changes, the humidity persists with minimal monthly fluctuations.Autumn weather in Antalaha
The cool trend continues into autumn, with September and October bringing readings of 25.3°C (77.5°F) and 27.1°C (80.8°F) for the high and a constant 19.7°C (67.5°F) for the low in September and a slight increase to 20.8°C (69.4°F) in October. Rainfall shows an impressive decrease from the previous months, falling from 32mm (1.26") in September to a low of 29mm (1.14") in October, offering a respite from the previously elevated rains.Winter weather in Antalaha
The final months of the year, November and December, usher in the winter season in Antalaha. The climate, still ruled by warmth, shows an upward trend in temperature reaching 28.5°C (83.3°F) in November and climbing to 29.8°C (85.6°F) by December for the high readings. The lows follow a parallel ascending path reaching 22.3°C (72.1°F) and 23.3°C (73.9°F) respectively. However, these months show a return to high rainfall with the amount escalating from 36mm (1.42") in November to 100mm (3.94") in December, signalling the return to wetter conditions.Weather in January
January in Antalaha, Madagascar sees thermometers rising to an average high of 29.7°C (85.5°F) while the minimum temperature hovers around 23.6°C (74.5°F), setting the stage for a tropical warmth. The sea matches the land surface with a comfortable warmth encouraging underwater explorations. Weather in January »Weather in February
In February, Antalaha experiences weather conditions quite similar to January. The marginal drop in maximum temperature to 29.8°C (85.6°F) and minimum to 23.4°C (74.1°F) signifies a subtle shift in atmospheric conditions. The average precipitation falls to 96mm (3.78"), a slight dip from the preceding month’s rainfall. Weather in February »Weather in March
Following a path of similarity, the weather in March doesn't bring much change to Antalaha. With average high and low temperatures standing at 29.4°C (84.9°F) and 23.5°C (74.3°F) respectively, the city's tropical climate continues. Weather in March »Weather in April
April signifies the arrival of subtle changes in the weather pattern of Antalaha. While the average high temperature dips to 28.7°C (83.7°F), the city retains its warm charm. Nevertheless, the rainfall continues to decrease, standing at 92mm (3.62") this month. Weather in April »Weather in May
May heralds a definite change in the weather environment of Antalaha. With a further dip in the average high to 27.3°C (81.1°F) and low to 22°C (71.6°F), the city begins to tread on the cooler side. It experiences only 51mm (2.01") of rainfall, marking a relative dry spell. Weather in May »Weather in June
June in Antalaha indicates a transition period as the weather takes a cooler turn. The daytime temperature drops further to an average high of 25.7°C (78.3°F). Combined with the lowest precipitation - 69mm (2.72"), this month marks a break in the otherwise tropical warmth. Weather in June »Weather in July
July continues the semi-tropical trend in Antalaha's weather with highs dipping to 24.7°C (76.5°F). The cooler temperatures contribute to a distinct change in the overall climate. This transition is marked by 56mm (2.2") of rainfall, the lowest this year. Weather in July »Weather in August
August in Antalaha presents a soothing weather condition with temperatures observed around 24.8°C (76.6°F). Despite the continuation of lesser precipitation totaling 46mm (1.81") for the month, the climate doesn't lose its charm. Weather in August »Weather in September
September witnesses a turn around in Antalaha's weather with temperatures mildly rising to an average 25.3°C (77.5°F) high. There is a negligible increment in rainfall amounting to 32mm (1.26"), which extends the dry spell a bit more. Weather in September »Weather in October
October in Antalaha brings back the tropical essence in full swing with an average high temperature of 27.1°C (80.8°F). The most notable feature is the noticeably minimal rainfall of 29mm (1.14"), making it the driest month of the year. Weather in October »Weather in November
November in Antalaha maintains the tropical warmth with temperatures peaking at 28.5°C (83.3°F). The slight increase in rainfall adds a refreshing touch to the ambience and does not deter outdoor activities. The warm sea and the city's warming weather harmonise perfectly. Weather in November »Weather in December
The month of December brings Antalaha back to where the weather story started. With an average high of 29.8°C (85.6°F), the city welcomes a full-fledged tropical climate. A notable increase in rainfall, now 100mm (3.94"), comes as a respite from past months. Weather in December »Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The wettest months are January and March, with an average 132mm (5.2") of rainfall.
In Antalaha, Madagascar, during the entire year, the rain falls for 273.6 days and collects up to 871mm (34.29") of precipitation.
January through March, November and December, with an average maximum UV index of 7, are months with the highest UV index.
In Antalaha, the months of February and December are known for the peak temperatures, reaching an average high of 29.8°C (85.6°F).
February and March, with an average relative humidity of 82%, are most humid months in Antalaha.
The month with the most sunshine is February, with an average of 10.6h of sunshine.
The month with the warmest seawater is March, with an average sea temperature of 29°C (84.2°F).
The months with the lowest UV index are April through October, with an average maximum UV index of 6.
June has the shortest days of the year, with an average of 11h and 18min of daylight.
July tends to be the coldest month, with temperatures averaging a daily high of 24.7°C (76.5°F) and a low of 19.7°C (67.5°F).
With an average of 5.7h of sunshine, July has the least sunshine of the year in Antalaha.
The month with the coldest seawater in Antalaha is August, with an average sea temperature of 24.7°C (76.5°F).
October is the month with the least rainfall in Antalaha, Madagascar. Rain falls for 17.9 days and accumulates 29mm (1.14") of precipitation.
The months with the lowest humidity in Antalaha are November and December, with an average relative humidity of 78%.
The month with the longest days in Antalaha, Madagascar, is December, with an average of 13h and 0min of daylight.
Antalaha, Madagascar, does not observe Daylight Saving Time (DST). EAT timezone is used over the entire year.
Average temperature
Antalaha, Madagascar
The warmest months (with the highest average high temperature) are February and December (29.8°C).
The month with the lowest average high temperature is July (24.7°C).
The month with the highest average low temperature is January (23.6°C).
The coldest month (with the lowest average low temperature) is August (19.3°C).
Average pressure
Antalaha, Madagascar
- Average pressure in January:
1011.1mbar - Average pressure in February:
1010.9mbar - Average pressure in March:
1011.5mbar - Average pressure in April:
1013.4mbar - Average pressure in May:
1015.9mbar - Average pressure in June:
1017.6mbar
- Average pressure in July:
1018.6mbar - Average pressure in August:
1018.9mbar - Average pressure in September:
1018.4mbar - Average pressure in October:
1016.1mbar - Average pressure in November:
1014mbar - Average pressure in December:
1012.3mbar
The month with the highest atmospheric pressure is August (1018.9mbar).
The month with the lowest atmospheric pressure is February (1010.9mbar).
Average wind speed
Antalaha, Madagascar
- Average wind speed in January:
9.6km/h - Average wind speed in February:
9.6km/h - Average wind speed in March:
11.2km/h - Average wind speed in April:
13.7km/h - Average wind speed in May:
14.6km/h - Average wind speed in June:
16.6km/h
- Average wind speed in July:
17.6km/h - Average wind speed in August:
16.7km/h - Average wind speed in September:
15.7km/h - Average wind speed in October:
13.3km/h - Average wind speed in November:
12km/h - Average wind speed in December:
11km/h
The windiest month (with the highest average wind speed) is July (17.6km/h).
The calmest months (with the lowest average wind speed) are January and February (9.6km/h).
Average humidity
Antalaha, Madagascar
The months with the highest relative humidity are February and March (82%).
The months with the lowest relative humidity are November and December (78%).
Average rainfall
Antalaha, Madagascar
- Average rainfall in January:
132mm - Average rainfall in February:
96mm - Average rainfall in March:
132mm - Average rainfall in April:
92mm - Average rainfall in May:
51mm - Average rainfall in June:
69mm
The wettest months (with the highest rainfall) are January and March (132mm).
The driest month (with the least rainfall) is October (29mm).
Average rainfall days
Antalaha, Madagascar
- Average rainfall days in January:
27.4 days - Average rainfall days in February:
23.7 days - Average rainfall days in March:
25.5 days - Average rainfall days in April:
25.9 days - Average rainfall days in May:
23 days - Average rainfall days in June:
24.5 days
- Average rainfall days in July:
23.5 days - Average rainfall days in August:
23.8 days - Average rainfall days in September:
19.5 days - Average rainfall days in October:
17.9 days - Average rainfall days in November:
16.7 days - Average rainfall days in December:
22.2 days
The month with the highest number of rainy days is January (27.4 days).
The month with the least rainy days is November (16.7 days).
Average sea temperature
Antalaha, Madagascar
The best month for swimming (with the highest average sea temperature) is March (29°C).
The coldest month (with the lowest average sea temperature) is August (24.7°C).
Average daylight / Average sunshine
Antalaha, Madagascar
- Average daylight in January:
12h and 54min - Average daylight in February:
12h and 36min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 48min - Average daylight in May:
11h and 24min - Average daylight in June:
11h and 18min
- Average daylight in July:
11h and 18min - Average daylight in August:
11h and 36min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 24min - Average daylight in November:
12h and 48min - Average daylight in December:
13h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).
- Average sunshine in January:
10h and 18min - Average sunshine in February:
10h and 36min - Average sunshine in March:
8h and 54min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 6min - Average sunshine in June:
6h and 12min
- Average sunshine in July:
5h and 42min - Average sunshine in August:
7h and 18min - Average sunshine in September:
7h and 42min - Average sunshine in October:
8h and 6min - Average sunshine in November:
8h and 24min - Average sunshine in December:
10h and 12min
The month with the most sunshine is February (Average sunshine: 10h and 36min).
The month with the least sunshine is July (Average sunshine: 5h and 42min).
Average sunshine days
Antalaha, Madagascar
- Average sunshine days in January:
2.7 days - Average sunshine days in February:
3.5 days - Average sunshine days in March:
3.2 days - Average sunshine days in April:
2.3 days - Average sunshine days in May:
4 days - Average sunshine days in June:
2.3 days
- Average sunshine days in July:
3.7 days - Average sunshine days in August:
3.1 days - Average sunshine days in September:
4.3 days - Average sunshine days in October:
7.5 days - Average sunshine days in November:
7.9 days - Average sunshine days in December:
5.5 days
The month with the most sunshine days is November (7.9 days).
The months with the least sunshine days are April and June (2.3 days).
Average UV index
Antalaha, Madagascar
The months with the highest UV index are January, February, March, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 6).
Average cloud cover
Antalaha, Madagascar
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is December (Cloud cover 36).
Average visibility
Antalaha, Madagascar
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
