October weather forecast
Mumbai, India

The iconic ancient arch monument of the Gateway of Mumbai, India
The iconic ancient arch monument of the Gateway of Mumbai, India

Weather in October

The first month of the post-monsoon autumn, October, is also a hot month in Mumbai, India, with an average temperature varying between 33.2°C (91.8°F) and 23.4°C (74.1°F).
The perfect water temperature of 28.8°C (83.8°F) with 55.8mm (2.2") of accumulated rainfall and only 3 rainfall days, makes October a great period for swimming and other water activities.

Temperature

In Mumbai, India, the average high-temperature in October is essentially the same as in September - a still tropical 33.2°C (91.8°F). In October, the average low-temperature is 23.4°C (74.1°F).

Heat index

In October, the average heat index is estimated at a life-threatening hot 47.9°C (118.2°F). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like wind, metabolic differences, differences in body mass, height, and shape, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Mumbai, the average relative humidity in October is 78%.

Rainfall

In Mumbai, during October, the rain falls for 3 days and regularly aggregates up to 55.8mm (2.2") of precipitation. In Mumbai, India, during the entire year, the rain falls for 78.9 days and collects up to 2258mm (88.9") of precipitation.

Sea temperature

In Mumbai, India, in October, the average water temperature is 28.8°C (83.8°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In October, the average length of the day in Mumbai is 11h and 43min.
On the first day of October in Mumbai, sunrise is at 6:29 am and sunset at 6:27 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:05 pm IST.

Sunshine

The average sunshine in October is 7.7h.

UV index

The average daily maximum UV index in October in Mumbai is 10. A UV Index value of 8 to 10 symbolizes a very high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 10 in October interpret into the following advice:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
[Resources]

FAQ

What is the temperature in October in Mumbai?

In October, the average high-temperature is 33.2°C (91.8°F), and the average low-temperature is 23.4°C (74.1°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in October is estimated at 47.9°C (118.2°F).

What is the average humidity in October in Mumbai?

In October, the average relative humidity is 78%.

How many days does it rain in October in Mumbai?

In Mumbai, in October, during 3 rainfall days, 55.8mm (2.2") of precipitation is typically accumulated.

How warm is the water in October in Mumbai?

In October, the average sea temperature is 28.8°C (83.8°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Mumbai have in October?

The average day length in October in Mumbai, India, is 11h and 43min.

When is the sunrise / sunset in October in Mumbai?

On the first day of October, sunrise is at 6:29 am and sunset at 6:27 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:05 pm IST.

How many hours of sunshine does Mumbai have in October?

In October, the average sunshine duration in Mumbai is 7.7h.

How high is the UV index in October in Mumbai?

The average daily maximum UV index in October is 10. A UV Index estimate of 8 to 10 represents a very high health threat from unsafe exposure to Sun's UV rays.

Average temperature in October
Mumbai, India

Average temperature in October - Mumbai, India
  • Average high temperature in October: 33.2°C

The warmest month (with the highest average high temperature) is November (33.5°C).
The month with the lowest average high temperature is August (29.6°C).

  • Average low temperature in October: 23.4°C

The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

[Resources]

Average humidity in October
Mumbai, India

Average humidity in October - Mumbai, India
  • Average humidity in October: 78%

The months with the highest relative humidity are July and August (86%).
The month with the lowest relative humidity is February (67%).

[Resources]

Average rainfall in October
Mumbai, India

Average rainfall in October - Mumbai, India
  • Average rainfall in October: 55.8mm

The wettest month (with the highest rainfall) is July (799.7mm).
The driest month (with the least rainfall) is March (0.2mm).

[Resources]

Average rainfall days in October
Mumbai, India

Average rainfall days in October - Mumbai, India
  • Average rainfall days in October: 3 days

The month with the highest number of rainy days is July (23.2 days).
The month with the least rainy days is March (0 days).

[Resources]

Average sea temperature in October
Mumbai, India

Average sea temperature in October - Mumbai, India
  • Average sea temperature in October: 28.8°C

The best month for swimming (with the highest average sea temperature) is June (30°C).
The coldest month (with the lowest average sea temperature) is February (24.9°C).

[Resources]

Average daylight in October /
Average sunshine in October
Mumbai, India

Average daylight in October / Average sunshine in October - Mumbai, India
  • Average daylight in October: 11h and 43min

The month with the longest days is June (Average daylight: 13h and 16min).
The month with the shortest days is December (Average daylight: 11h and 1min).

  • Average sunshine in October: 7.7h

The month with the most sunshine is May (Average sunshine: 9.6h).
The months with the least sunshine are July and August (Average sunshine: 2.4).

[Resources]

Average UV index in October
Mumbai, India

Average UV index in October - Mumbai, India
  • Average UV index in October: 10

The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location