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Contents
- The climate of Mahajanga
- The best time to visit Mahajanga
- The worst time to visit Mahajanga
- Spring weather in Mahajanga
- Summer weather in Mahajanga
- Autumn weather in Mahajanga
- Winter weather in Mahajanga
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Mahajanga
Mahajanga, Madagascar, falls under the dominion of the Aw Köppen climate classification signifying a tropical wet and dry or savanna climate. Geographically located in the tropical region, the city experiences a significant swing in weather patterns between the wet and dry season.
The general climate remains tremendously warm throughout the year, with temperatures experiencing slight fluctuations. A continual pattern is noted, with peak warmth stretching from November to February with average high temperatures ranging between 30.9°C (87.6°F) and 31.7°C (89.1°F). The coolness sets its-foot in during the mid-year, but temperatures only dive moderately, with average lows stretching from 20.3°C (68.5°F) in July to 25.2°C (77.4°F) in February.
Humidity levels mirror the temperature trend, remaining consistently high, around the 78-percent mark at the start of the year, then dropping to the mid-year low of 58%, before rebounding towards the end of the year. Rainfall patterns paint a distinct portrait of two halves. The year starts with high downpour, with January seeing 254mm (10") rainfall, then takes a nosedive at mid-year, almost touching barrenness with 2mm (0.08") in July and August, then gradually climbs back up towards the end of the year, with December closing at 117mm (4.61"). Daylight hours remain relatively consistent throughout the year, hovering around an approximate 12 hours.
The general climate remains tremendously warm throughout the year, with temperatures experiencing slight fluctuations. A continual pattern is noted, with peak warmth stretching from November to February with average high temperatures ranging between 30.9°C (87.6°F) and 31.7°C (89.1°F). The coolness sets its-foot in during the mid-year, but temperatures only dive moderately, with average lows stretching from 20.3°C (68.5°F) in July to 25.2°C (77.4°F) in February.
Humidity levels mirror the temperature trend, remaining consistently high, around the 78-percent mark at the start of the year, then dropping to the mid-year low of 58%, before rebounding towards the end of the year. Rainfall patterns paint a distinct portrait of two halves. The year starts with high downpour, with January seeing 254mm (10") rainfall, then takes a nosedive at mid-year, almost touching barrenness with 2mm (0.08") in July and August, then gradually climbs back up towards the end of the year, with December closing at 117mm (4.61"). Daylight hours remain relatively consistent throughout the year, hovering around an approximate 12 hours.
The best time to visit Mahajanga
For the sun-lovers and warmth seekers, the best time to visit Mahajanga is during the shoulder months of the peak summer, from September to November. This is the period when the sunshine rates are at their cleanest, the sea temperatures are endearingly warm between 26.9°C (80.4°F) and 28.3°C (82.9°F), and the rainfall amounts have not yet rocketed.
The worst time to visit Mahajanga
Visitors keen to avoid heavy downpour and high humidity rates would do well to avoid the first quarter of the year, especially January with its near constant rain showers, amounting to a hefty 254mm (10") and coupled with a high humidity level of 78%.
Spring weather in Mahajanga
Spring in Mahajanga is not defined in traditional north-south terms, but for the sake of interpretation, can be denoted as the period from September to November. This period is characterized by rising temperatures, with the highest of 30.9°C (87.6°F) reached in September and escalating to 31.7°C (89.1°F) by November. Rainfall is sparse, totaling to 3mm (0.12"), 20mm (0.79"), and 84mm (3.31") respectively across these months.
Summer weather in Mahajanga
The graphically divided summer, signaling the start and end of the calendar year, extends from December to February. The season sees the highest temperatures of the year, reaching up to 31.6°C (88.9°F) in January. However, the weather is greatly balanced by prolific rainfall, the heaviest of the year, with December and January witnessing 117mm (4.61") and 254mm (10") respectively.
Autumn weather in Mahajanga
Referred to as autumn, the stretch from March to May witnesses a drop in both temperatures and rainfall. Temperature averages descend from 30.6°C (87.1°F) in March to 30.3°C (86.5°F) in May, while rainfall decreases from 132mm (5.2") in March to merely 8mm (0.31") in May.
Winter weather in Mahajanga
Labelled as Winter, the period from June to August is identifiable by the lowest temperatures and scantiest rainfall of the year. Temperature dips to 28.8°C (83.8°F) in June, while rainfall touches its nadir at 2mm (0.08") in both July and August. Even sea temperatures dip to an annual low of 25.8°C (78.4°F) in August. Despite the title, the season still incessantly graces with ample daylight, averaging 11 hours.
Weather in January
Starting the year, January in Mahajanga, Madagascar, presents a humid climate with the sea temperature at a warm 29.2°C (84.6°F). This month is noticeably warmer when compared to the subsequent month of February. Although the start of the year is generally wet, it allows for a lush, green landscape, making the city a picturesque sight. Weather in January »
Weather in February
As February rolls in, the city of Mahajanga experiences a slight decrease in temperature from January, resulting in a marginally cooler, yet still warm environment. Although a reduction in rainfall from 254mm (10") in January to 147mm (5.79") is noted, the weather still remains significantly humid. Weather in February »
Weather in March
In March, Mahajanga further sees a fall in rainfall to 132mm (5.2"), enhancing the city's appeal to outdoor enthusiasts. The temperature exhibits a slight shift from February conditions but remains on the warmer side. As the rainfall decreases, the foliage keeps its vibrantly green hue, highlighting the city's natural beauty. Weather in March »
Weather in April
April ushers Mahajanga into drier conditions, alluring more adventure seekers. Compared to the 72% relative humidity in March, a significant decrease is observed. The gradual reduction in rainfall from March can be noted, turning the city into a more outdoor-friendly location. Weather in April »
Weather in May
May in Mahajanga witnesses a considerable drop in rainfall to just 8mm (0.31"), marking the onset of the dryer months. The temperature ranges also contrast with the previous month, indicating a cooler direction. Despite the fall in temperature, the city continues to maintain its welcoming warmth. Weather in May »
Weather in June
June continues the trend of falling temperatures and drier conditions, with relative humidity down to 62%. Compared to the previous months, June provides the city's residents with a cooler climate and less rainfall. However, the sea temperature of 27.2°C (81°F) offers an inviting environment for aquatic activities. Weather in June »
Weather in July
July remains relatively dry, adding to the appeal of outdoor activities. With humidity dropping to 59%, it makes Mahajanga a comfort zone for travellers. As residents adjust to a moderate temperature, the decrease in rainfall and stable wind speeds provide a pleasant atmosphere. Weather in July »
Weather in August
In August, Mahajanga experiences a steady weather pattern, slightly cooler and drier compared to July. Yet, the city attains a balance within its climatic conditions. It is during this month that the temperature, relative humidity, and rainfall work together to create a perfect outdoor climate. Weather in August »
Weather in September
September brings a warmth back to Mahajanga, with a noticeable rise in temperature, up to a maximum of 30.9°C (87.6°F). This month marks the transition from cooler to warmer months. It further builds upon August's pleasant conditions, maintaining an ideal atmosphere for both locals and visitors. Weather in September »
Weather in October
In October, Mahajanga sees a return of moisture, with rainfall levels at 20mm (0.79"), a significant rise from the dry spell of past months. Temperature and sea temperature start to rise in sync in anticipation of the upcoming summer months. Weather in October »
Weather in November
With the arrival of November, Mahajanga starts to shift towards becoming noticeably warmer and wetter. An increase from the previous month's rain level becomes apparent with rainfall measured at 84mm (3.31"). Nonetheless, despite the wet conditions, the city retains its captivating charm, inviting visitors to experience the change of seasons first hand. Weather in November »
Weather in December
December marks the end of the year with a significant increase in rainfall, reaching 117mm (4.61"). On comparison, it draws a stark contrast with November's conditions, moving the city into a far wetter state. Despite this, Mahajanga remains a destination of interest, with the high temperature and rise in sea temperatures complementing the wet atmosphere. 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
What is the most humid month in Mahajanga?
The months with the highest humidity are January and February, with an average relative humidity of 78%.
What is the rainiest month in Mahajanga?
January is the month with the most rainfall. Rain falls for 27.6 days and accumulates 254mm (10") of precipitation.
How many days does it rain in Mahajanga?
Throughout the year, in Mahajanga, there are 161.5 rainfall days, and 817mm (32.17") of precipitation is accumulated.
What is the month with the highest UV index in Mahajanga?
January through May, August through December, with an average maximum UV index of 7, are months with the highest UV index in Mahajanga, Madagascar.
What is the month with the warmest sea water in Mahajanga?
February is the month with the warmest seawater in Mahajanga, with an average sea temperature of 29.7°C (85.5°F).
What is the month with the least sunshine in Mahajanga?
April and August, with an average of 7.5h of sunshine, are months with the least sunshine.
What is the month with the shortest days in Mahajanga?
The month with the shortest days is June, with an average of 11h and 12min of daylight.
When is the lowest UV index in Mahajanga?
The months with the lowest UV index are June and July, with an average maximum UV index of 6.
What is the coldest month in Mahajanga?
Mahajanga's temperature records reveal July as the coldest month, marked by average highs of 28.8°C (83.8°F) and lows of 20.3°C (68.5°F).
What is the driest month in Mahajanga?
July is the month with the least rainfall. Rain falls for 1.8 days and accumulates 2mm (0.08") of precipitation.
What is the least humid month in Mahajanga?
August and September, with an average relative humidity of 58%, are the least humid months in Mahajanga.
What is the month with the coldest sea water in Mahajanga?
August is the month with the coldest seawater in Mahajanga, Madagascar, with an average sea temperature of 25.8°C (78.4°F).
What month is the hottest in Mahajanga?
Mahajanga's November weather reaches an average high of 31.7°C (89.1°F) and an average low of 25.5°C (77.9°F), making it the warmest month.
What month has the most sunshine in Mahajanga?
With an average of 11.3h of sunshine, November has the most sunshine of the year in Mahajanga.
When are the longest days in Mahajanga?
The month with the longest days in Mahajanga is December, with an average of 13h and 0min of daylight.
Is there Daylight Saving Time (DST) in Mahajanga?
Mahajanga does not utilize Daylight Saving Time (DST). EAT timezone is used over the entire year.
Average temperature
Mahajanga, Madagascar
The warmest month (with the highest average high temperature) is November (31.7°C).
The month with the lowest average high temperature is July (28.8°C).
The month with the highest average low temperature is December (25.8°C).
The coldest month (with the lowest average low temperature) is July (20.3°C).
Average pressure
Mahajanga, Madagascar
- Average pressure in January:
1010.1mbar - Average pressure in February:
1009.9mbar - Average pressure in March:
1010.4mbar - Average pressure in April:
1012mbar - Average pressure in May:
1014.4mbar - Average pressure in June:
1016.3mbar
- Average pressure in July:
1017.3mbar - Average pressure in August:
1017mbar - Average pressure in September:
1016.1mbar - Average pressure in October:
1013.5mbar - Average pressure in November:
1011.7mbar - Average pressure in December:
1010.8mbar
The month with the highest atmospheric pressure is July (1017.3mbar).
The month with the lowest atmospheric pressure is February (1009.9mbar).
Average wind speed
Mahajanga, Madagascar
- Average wind speed in January:
11.7km/h - Average wind speed in February:
10.7km/h - Average wind speed in March:
10.2km/h - Average wind speed in April:
11.5km/h - Average wind speed in May:
12.6km/h - Average wind speed in June:
14.3km/h
- Average wind speed in July:
14.6km/h - Average wind speed in August:
14.5km/h - Average wind speed in September:
14.3km/h - Average wind speed in October:
13.2km/h - Average wind speed in November:
12.2km/h - Average wind speed in December:
11.1km/h
The windiest month (with the highest average wind speed) is July (14.6km/h).
The calmest month (with the lowest average wind speed) is March (10.2km/h).
Average humidity
Mahajanga, Madagascar
The months with the highest relative humidity are January and February (78%).
The months with the lowest relative humidity are August and September (58%).
Average rainfall
Mahajanga, Madagascar
The wettest month (with the highest rainfall) is January (254mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days
Mahajanga, Madagascar
- Average rainfall days in January:
27.6 days - Average rainfall days in February:
22.8 days - Average rainfall days in March:
24.5 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
6.3 days - Average rainfall days in June:
3.1 days
- Average rainfall days in July:
1.8 days - Average rainfall days in August:
2.7 days - Average rainfall days in September:
3.9 days - Average rainfall days in October:
10.7 days - Average rainfall days in November:
19 days - Average rainfall days in December:
23.5 days
The month with the highest number of rainy days is January (27.6 days).
The month with the least rainy days is July (1.8 days).
Average sea temperature
Mahajanga, Madagascar
The best month for swimming (with the highest average sea temperature) is February (29.7°C).
The coldest month (with the lowest average sea temperature) is August (25.8°C).
Average daylight / Average sunshine
Mahajanga, Madagascar
- Average daylight in January:
12h and 5min - Average daylight in February:
12h and 4min - Average daylight in March:
12h and 1min - Average daylight in April:
11h and 4min - Average daylight in May:
11h and 2min - Average daylight in June:
11h and 1min
- Average daylight in July:
11h and 2min - Average daylight in August:
11h and 4min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 3min - Average daylight in November:
12h and 5min - 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 12min).
- Average sunshine in January:
9h and 2min - Average sunshine in February:
10h and 1min - Average sunshine in March:
10h and 2min - Average sunshine in April:
7h and 3min - Average sunshine in May:
7h and 4min - Average sunshine in June:
7h and 4min
- Average sunshine in July:
7h and 4min - Average sunshine in August:
7h and 3min - Average sunshine in September:
9h and 5min - Average sunshine in October:
9h and 5min - Average sunshine in November:
11h and 2min - Average sunshine in December:
11h and 1min
The month with the most sunshine is November (Average sunshine: 11h and 18min).
The months with the least sunshine are April and August (Average sunshine: 7h and 30min).
Average sunshine days
Mahajanga, Madagascar
- Average sunshine days in January:
3.3 days - Average sunshine days in February:
4.8 days - Average sunshine days in March:
5.6 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
23.9 days - Average sunshine days in June:
26.4 days
- Average sunshine days in July:
28.8 days - Average sunshine days in August:
27.1 days - Average sunshine days in September:
25.3 days - Average sunshine days in October:
18.3 days - Average sunshine days in November:
10.3 days - Average sunshine days in December:
7.2 days
The month with the most sunshine days is July (28.8 days).
The month with the least sunshine days is January (3.3 days).
Average UV index
Mahajanga, Madagascar
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 7).
The months with the lowest UV index are June and July (UV index 6).
Average cloud cover
Mahajanga, Madagascar
The month with the most cloud cover is January (Cloud cover 45).
The months with the least cloud cover are August and September (Cloud cover 12).
Average visibility
Mahajanga, Madagascar
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Mahajanga, Madagascar
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