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Contents
- The climate of Bombaim
- The best time to visit Bombaim
- The worst time to visit Bombaim
- Spring weather in Bombaim
- Summer weather in Bombaim
- Autumn weather in Bombaim
- Winter weather in Bombaim
- 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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Bombaim
Moving through the Köppen climate classification, Bombaim falls under the As category, signifying a tropical wet and dry climate with a pronounced summer dry season. Its geographical position adds some interesting meteorological nuances. Rainfall and humidity play a crucial role in defining the climate in this part of São Tomé and Príncipe.
Humidity levels remain relatively stable, ranging from a low of 76% in March to a peak of 83% from August to October. The rainfall follows a rather distinct pattern - a dry period observed from June to September with a dramatic dip to 9mm (0.35") in July and a wet period from October to May, with November witnessing the highest rainfall, reaching 224mm (8.82").
Temperature variations are relatively subtle, given the tropical climate. The coldest month is July with a low of 23°C (73.4°F), while the hottest is April, with a high of 28.8°C (83.8°F). A constant daylight duration of 12.1 hours is present throughout the year, which greatly contributes to the tropical feel of this region.
Wind speeds fluctuate mildly through the year, with the most wind coming in July and August at a topspeed of 18.3km/h (11.4mph). Pressure remains fairly constant throughout the year, maintaining a narrow range from 1009.8mb to 1014.3mb.
Humidity levels remain relatively stable, ranging from a low of 76% in March to a peak of 83% from August to October. The rainfall follows a rather distinct pattern - a dry period observed from June to September with a dramatic dip to 9mm (0.35") in July and a wet period from October to May, with November witnessing the highest rainfall, reaching 224mm (8.82").
Temperature variations are relatively subtle, given the tropical climate. The coldest month is July with a low of 23°C (73.4°F), while the hottest is April, with a high of 28.8°C (83.8°F). A constant daylight duration of 12.1 hours is present throughout the year, which greatly contributes to the tropical feel of this region.
Wind speeds fluctuate mildly through the year, with the most wind coming in July and August at a topspeed of 18.3km/h (11.4mph). Pressure remains fairly constant throughout the year, maintaining a narrow range from 1009.8mb to 1014.3mb.
The best time to visit Bombaim
For those looking to escape the rain and enjoy the most sun, the period from June to September offers the ideal window. This period characterizes lower rainfall, with July seeing the lowest rainfall of 9mm (0.35"). Sunshine hours per day peak in this period as well, reaching a maximum of 16.4 in June. However, the temperature is also slightly lower during these months, with July being the coolest month, exhibiting a minimum temperature of 23°C (73.4°F).
The worst time to visit Bombaim
If high rainfall and humidity is a deterrent, then avoiding the span from October to May would be beneficial. November and December witness the heaviest rainfall, averaging 224mm (8.82") and 159mm (6.26") respectively, along with high humidity levels from 81% to 83%. Although the temperature during this time is warm, ranging from a low of 23.2°C (73.8°F) in August to a high of 28.8°C (83.8°F) in April, the conditions might be uncomfortably wet for some visitors.
Spring weather in Bombaim
Spring, covering March, April and May, brings a transition period in Bombaim. Temperatures begin to rise, moving from a high of 28°C (82.4°F) in March to 28.6°C (83.5°F) in April. Rainfall also increases significantly from 100mm (3.94") in March to 122mm (4.8") in May. Humidity levels rise too, from 76% in March to 79% in May. Despite this, daylight and sunshine hours remain constant with an average of 12.1 and 8.1 respectively.
Summer weather in Bombaim
Summer in Bombaim includes June, July and August. These months mark the driest period of the year with minimal rainfall. Temperatures remain relatively moderate, with highs ranging from 25.6°C (78.1°F) to 24.8°C (76.6°F) and lows from 24.3°C (75.7°F) to 23.2°C (73.8°F). June sees the longest sunshine duration of 16.4 days, yielding plenty of warmth for visitors to soak in.
Autumn weather in Bombaim
Autumn, consisting of September, October and November, sees a significant transition in Bombaim’s climate. Rainfall rates surge from 35mm (1.38") in September to 224mm (8.82") in November, making this time the wettest period of the year. Despite the rise in rainfall, temperatures remain constant, ranging from a high of 27.1°C (80.8°F) in November to a low of 24.6°C (76.3°F) in September.
Winter weather in Bombaim
Spanning December, January and February, winter months in Bombaim are characterized by a mix of weather conditions. Rainfall totals range from a high of 159mm (6.26") in December to a relative low of 100mm (3.94") in February. Temperature fluctuations are minimal, with highs from 27.5°C (81.5°F) to 28°C (82.4°F) and lows from 26.6°C (79.9°F) to 27°C (80.6°F). Sunlit days range from 1.5 to 3.1 days over these months, providing enough light and warmth for outdoor activities.
Weather in January
The start of the year in Bombaim, São Tomé and Príncipe brings some of the highest temperatures, with highs reaching 28°C (82.4°F) and lows dipping to 27°C (80.6°F). The pleasant warmth masks the high humidity that blankets the city. Weather in January »
Weather in February
The transition from January to February sees minimal changes in Bombaim's weather pattern. Temperatures slightly increase, but remain within the comfortable zone for the inhabitants. A near-constant breeze provides much-needed relief from the pervasive humidity in the region. Weather in February »
Weather in March
As March rolls in, the weather in Bombaim stays remarkably similar to February. While the slight upward trend in temperature continues, the city retains its warm and humid environment. Wind speeds show a slight increase at 11.7km/h (7.3mph), stirring up a refreshing respite amidst the steady climate. Weather in March »
Weather in April
April sees a minor cooling trend in the city with temperatures dropping to a low of 27.2°C (81°F), despite the high levels of rainfall at 126mm (4.96"). Balancing the rainfall, the city's atmospheric pressure stabilizes signifying a calm and peaceful period. Weather in April »
Weather in May
The weather in Bombaim takes a noticeable shift in May. A drop in temperature sets in, bringing a cooler feel to the days and nights in the city. The reduction in rain showers marks the beginning of an approaching dry spell, highlighting nature's cyclical patterns. Weather in May »
Weather in June
As June unravels, the weather in Bombaim transitions towards its driest spell, with an all-year low rainfall of 22mm (0.87") and only 7.3 days with rainfall. A consistent breeze strums across the city, easing the otherwise high humidity levels. Weather in June »
Weather in July
July continues the dry trend seen in June but with a cooler atmosphere. Days become shorter and the hours of sunshine slowly dwindle. A strong and constant wind ushers in a refreshing and cool effect, making up for the less sunny conditions. Weather in July »
Weather in August
August ushers in an increase in rainfall and a higher number of rainy days, marking the end of the dry spell. Despite the reintroduction of rains, the temperature remains fairly constant and the days continue to be warm and humid. Weather in August »
Weather in September
Reversing the trend from the past few months, September sees heightened rainfall levels, setting the stage for the wet period in Bombaim. Although the weather remains fairly warm, the increased cloud coverage brings a sense of coolness. Weather in September »
Weather in October
October brings with it the heaviest rainfall of the year at 220mm (8.66"), transforming Bombaim into a vibrant and lush green landscape. While the high temperatures persist, the quantity of sunlight diminishes. Varying wind speeds enliven the atmosphere and bring relief to the warm humid climate. Weather in October »
Weather in November
November sees a gradual decrease in rainfall, signaling the shift towards drier months. Still, this month has rainfall levels second only to October, and it maintains the general pattern of warmth and high humidity. A noticeable drop in wind speed brings a calmness to the city, complementing the gradually decreasing rain showers. Weather in November »
Weather in December
Closing the year, December continues the trend of falling temperatures with a low of 26.6°C (79.9°F). Less rainfall and fewer rainy days suggest the onset of drier months. Despite being the close of the year, the weather in Bombaim seems to gear up for the next cycle of seasons with anticipation. Weather in December »
Updated: Feb 5, 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
How many days does it rain in Bombaim?
Throughout the year, in Bombaim, there are 241.7 rainfall days, and 1287mm (50.67") of precipitation is accumulated.
What are the months with the highest UV index in Bombaim?
January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index in Bombaim, São Tomé and Príncipe.
What month has the most sunshine in Bombaim?
The month with the most sunshine in Bombaim is February, with an average of 8.6h of sunshine.
What month is the hottest in Bombaim?
With an average high-temperature of 28.8°C (83.8°F) and an average low-temperature of 27.5°C (81.5°F), March is the warmest month.
What is the least humid month in Bombaim?
March is the least humid month, with an average relative humidity of 76%.
When are the longest days in Bombaim?
The month with the longest days in Bombaim, São Tomé and Príncipe, is June, with an average of 12h and 6min of daylight.
What is the coldest month in Bombaim?
Bombaim's July weather reaches an average high of 24.5°C (76.1°F) and an average low of 23°C (73.4°F), making it the coldest month.
What is the driest month in Bombaim?
The month with the least rainfall is July, when the rain falls for 8.4 days and typically collects 9mm (0.35") of precipitation.
When is the lowest UV index in Bombaim?
July is the month with the lowest UV index, with an average maximum UV index of 5.
What is the most humid month in Bombaim?
The months with the highest humidity in Bombaim, São Tomé and Príncipe, are August through October, with an average relative humidity of 83%.
What is the month with the least sunshine in Bombaim?
With an average of 5h of sunshine, August has the least sunshine of the year in Bombaim, São Tomé and Príncipe.
What is the wettest month in Bombaim?
The month with the most rainfall in Bombaim, São Tomé and Príncipe, is November, when the rain falls for 26.7 days and typically aggregates up to 224mm (8.82") of precipitation.
What is the month with the shortest days in Bombaim?
November has the shortest days of the year, with an average of 12h and 6min of daylight.
Is there Daylight Saving Time (DST) in Bombaim?
Bombaim does not utilize Daylight Saving Time (DST). GMT timezone is used over the entire year.
Average temperature
Bombaim, São Tomé and Príncipe
The warmest month (with the highest average high temperature) is March (28.8°C).
The month with the lowest average high temperature is July (24.5°C).
The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is July (23°C).
Average pressure
Bombaim, São Tomé and Príncipe
- Average pressure in January:
1010.7mbar - Average pressure in February:
1009.8mbar - Average pressure in March:
1009.9mbar - Average pressure in April:
1010.1mbar - Average pressure in May:
1011.3mbar - Average pressure in June:
1013.5mbar
- Average pressure in July:
1014.3mbar - Average pressure in August:
1014.1mbar - Average pressure in September:
1013.1mbar - Average pressure in October:
1011.4mbar - Average pressure in November:
1010.4mbar - Average pressure in December:
1010.6mbar
The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is February (1009.8mbar).
Average wind speed
Bombaim, São Tomé and Príncipe
- Average wind speed in January:
11.1km/h - Average wind speed in February:
11.6km/h - Average wind speed in March:
11.7km/h - Average wind speed in April:
10.9km/h - Average wind speed in May:
13km/h - Average wind speed in June:
17.6km/h
- Average wind speed in July:
17.7km/h - Average wind speed in August:
17.1km/h - Average wind speed in September:
16.8km/h - Average wind speed in October:
14.2km/h - Average wind speed in November:
12.3km/h - Average wind speed in December:
10.8km/h
The windiest month (with the highest average wind speed) is July (17.7km/h).
The calmest month (with the lowest average wind speed) is December (10.8km/h).
Average humidity
Bombaim, São Tomé and Príncipe
The months with the highest relative humidity are August, September and October (83%).
The month with the lowest relative humidity is March (76%).
Average rainfall
Bombaim, São Tomé and Príncipe
- Average rainfall in January:
130mm - Average rainfall in February:
100mm - Average rainfall in March:
119mm - Average rainfall in April:
126mm - Average rainfall in May:
122mm - Average rainfall in June:
22mm
The wettest month (with the highest rainfall) is November (224mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days
Bombaim, São Tomé and Príncipe
- Average rainfall days in January:
27.1 days - Average rainfall days in February:
23.4 days - Average rainfall days in March:
24.4 days - Average rainfall days in April:
22 days - Average rainfall days in May:
20.5 days - Average rainfall days in June:
7.3 days
- Average rainfall days in July:
8.4 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
15.8 days - Average rainfall days in October:
24.7 days - Average rainfall days in November:
26.7 days - Average rainfall days in December:
28.6 days
The month with the highest number of rainy days is December (28.6 days).
The month with the least rainy days is June (7.3 days).
Average daylight / Average sunshine
Bombaim, São Tomé and Príncipe
- Average daylight in January:
12h and 1min - Average daylight in February:
12h and 1min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 1min - Average daylight in May:
12h and 1min - Average daylight in June:
12h and 1min
- Average daylight in July:
12h and 1min - Average daylight in August:
12h and 1min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 1min - Average daylight in November:
12h and 1min - Average daylight in December:
12h and 1min
The month with the longest days is June (Average daylight: 12h and 6min).
The month with the shortest days is November (Average daylight: 12h and 6min).
- Average sunshine in January:
8h and 2min - Average sunshine in February:
8h and 4min - Average sunshine in March:
8h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
7h and 4min - Average sunshine in June:
6h and 2min
- Average sunshine in July:
6h and 0min - Average sunshine in August:
5h and 0min - Average sunshine in September:
5h and 2min - Average sunshine in October:
6h and 4min - Average sunshine in November:
7h and 0min - Average sunshine in December:
8h and 1min
The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 0min).
Average sunshine days
Bombaim, São Tomé and Príncipe
- Average sunshine days in January:
3.1 days - Average sunshine days in February:
3.8 days - Average sunshine days in March:
5.3 days - Average sunshine days in April:
6.2 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
16.4 days
- Average sunshine days in July:
14.8 days - Average sunshine days in August:
8 days - Average sunshine days in September:
5.3 days - Average sunshine days in October:
2.7 days - Average sunshine days in November:
2 days - Average sunshine days in December:
1.5 days
The month with the most sunshine days is June (16.4 days).
The month with the least sunshine days is December (1.5 days).
Average UV index
Bombaim, São Tomé and Príncipe
The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover
Bombaim, São Tomé and Príncipe
The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is February (Cloud cover 37).
Average visibility
Bombaim, São Tomé and Príncipe
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).
Bombaim, São Tomé and Príncipe
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