October weather forecast
Mumbai, India

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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

October is when the monsoon completely recedes making way for delightful weather. A major drop in rainfall levels to 56mm (2.2") and fluctuating temperatures with a high of 33.2°C (91.8°F) and low of 23.4°C (74.1°F) herald the autumn season in Mumbai. The city is lush green, a residual effect of the monsoon, making it very pleasing to the eye. It's a good time to venture outdoors and appreciate the beautiful sunsets along the coastline. As October progresses, the cool breeze brings a whiff of the impending winter.

Temperature

Transitioning into October, Mumbai experiences an average high-temperature of a still tropical 33.2°C (91.8°F), marking a minor shift from the preceding month. An average low-temperature of 23.4°C (74.1°F) is anticipated throughout the nights during October.

Heat index

For October, the heat index is appraised at a life-threatening hot 48°C (118.4°F). Heed: Expect heat cramps and heat exhaustion. Continued action may cause heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

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

Rainfall

In Mumbai, in October, during 3 rainfall days, 56mm (2.2") of precipitation is typically accumulated. Throughout the year, in Mumbai, there are 78.9 rainfall days, and 2258mm (88.9") of precipitation is accumulated.

Sea temperature

In October, the average sea temperature in Mumbai is 28.8°C (83.8°F).
Note: Swimming, diving, and other water activities in the temperature range of 25°C (77°F) to 29°C (84.2°F) are perceived as very enjoyable and comfortable for prolonged durations.

Daylight

In Mumbai, the average length of the day in October is 11h and 43min.
On the first day of the month, sunrise is at 6:29 am and sunset at 6:26 pm. On the last day of October, in Mumbai, sunrise is at 6:38 am and sunset at 6:05 pm IST.

Sunshine

In October, the average sunshine is 7.7h.

UV index

The average daily maximum UV index in October is 10. A UV Index of 8 to 10 symbolizes a very high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 10 in October translates into these instructions:
Refrain from exposing skin and eyes. Without protection, they can get damaged rapidly. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended. Sunscreen of at least SPF 30 should be applied generously and reapplied often on overcast days, especially post swim or outdoor exercise. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
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Frequently asked questions

How hot does it get in Mumbai in October?

October temperatures in Mumbai vary between a high-temperature of 33.2°C (91.8°F) and a low-temperature of 23.4°C (74.1°F). In October, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is appraised at 48°C (118.4°F).

What is the average humidity in October in Mumbai?

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

How much does it rain in Mumbai in October?

In Mumbai, in October, it is raining for 3 days, with typically 56mm (2.2") of accumulated precipitation.

What is the water temperature in October in Mumbai?

In Mumbai, India, in October, the average water 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 is 11h and 43min.

When are sunrise and sunset in October in Mumbai?

On the first day of October in Mumbai, India, sunrise is at 6:29 am and sunset at 6:26 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:05 pm IST.

How long on average sun shines in October in Mumbai?

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

What is the UV index reading in October in Mumbai?

In October, the average daily maximum UV index in Mumbai is 10. A UV Index reading of 8 to 10 represents a very high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

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).

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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%).

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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).

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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).

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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).

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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 4min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in October: 7h and 4min

The month with the most sunshine is May (Average sunshine: 9h and 36min).
The months with the least sunshine are July and August (Average sunshine: 2h and 24min).

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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).

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Mumbai, India

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