Mumbai is the most populated city I India. It is massive port and important cultural center of the country. It is situated on eastern coast of the Arabian Sea at the estuary of Ulhas River. The sea and the river are forming two islands, both occupied by the city. Majority of territory is plain.

Climate of the region is tropical with pronounced dry and rainy seasons. Average temperature is in range between 18 °C (64 °F) and 30 °C (86 °F). Almost all of 2430 mm (95”) of annual rain fall between June and September when monsoons are blowing. Rest of months are much drier. Due to prevailing north winds January and February are coolest months.

Of holidays in India

Due to religious versatility of India (Hindus, Muslims, Christians, Zoroastrians, Jains and some other) there is some kind of holiday or festival almost at any given day of a year. Since over 80% of population is practicing Hinduism following lists of holidays will contain respective holidays with public holidays and unofficial observances. Dates for celebrations in Hinduism are defined by special lunar calendar, so following lists will provide respective ranges of dates in Gregorian calendar.

Seasons

Contents:

• Spring
• Summer
• Autumn
• Winter

Spring in Mumbai

Weather in begging of March is rather tolerable, but later in the month air temperature and humidity is starting its growth. Average temperature range for March is between 33 °C (91 °F) at afternoon and 22 °C (71 °F) at night. Approach of monsoon season makes weather in April stuffy. Temperature range of 25-33 °C (77-91 °F) seem to be not that impressive, but combined with high humidity it is suffocating.

In May heat reaches daily range of 27-34 °C (80-93 °F). Rainy season starts in late May. Temperature of the sea grows from 27 °C (80 °F) in March to 30 °C (86 °F) in May. Considering given above it is better to schedule visit to Mumbai on early spring. Weather of late spring requires respective precaution measures (sunscreens, constant hydration etc).

Climate of the Spring Months

March Max average t°: +30 °C (87 °F) Min average t°: +22 °C (72 °F) Water t°: +27 °C (81 °F) Sundial in the day: 11.5 hours Rainy days: 0 days Precipitation: 2 mm (0.08")

April Max average t°: +32 °C (89 °F) Min average t°: +24 °C (76 °F) Water t°: +29 °C (84 °F) Sundial in the day: 12 hours Rainy days: 0 days Precipitation: 1 mm (0.04")

May Max average t°: +33 °C (91 °F) Min average t°: +27 °C (80 °F) Water t°: +30 °C (86 °F) Sundial in the day: 11 hours Rainy days: 0 days Precipitation: 3.5 mm (0.1")

Spring Holidays

March – Strawberry Festival.
March-April – Ram Navami, Mahavir Jayanti.

April 1 – April Fool’s Day.
April 14 – Dr BL Ambedkar's Birthday.

May – Buddha Purnima.
May 5 – Bombay Lantern Festival.

Summer in Mumbai

June is the first month of rainy season. During this month the city receives around 500 mm (19”) of precipitation. Daytime average reaches mark of 32 °C (89 °F) while nighttime temperature stays same. July is the peak of rainy season. It rains almost every day and the city receives 820 mm (32”) of precipitation. Usually there are only three dry days in July, though temperature decreases to range of 26-30 °C (79-86 °F).

Amount of rainfall in August is lower than in July and slightly higher than in June. Temperature ranges are same as they were in previous month. Temperature of the sea for the season is around 28 °C (82 °F). During summer visit in Mumbai sunscreen is needed even despite prevailing cloudiness.

Climate of the Summer Months

June Max average t°: +32 °C (89°F) Min average t°: +26 °C (79 °F) Water t°: +30 °C (86 °F) Sundial in the day: 6.5 hours Rainy days: 18 days Precipitation: 536 mm (21")

July Max average t°: +29 °C (85 °F) Min average t°: +25 °C (77 °F) Water t°: +28 °C (82 °F) Sundial in the day: 5 hours Rainy days: 28 days Precipitation: 807 mm (32")

August Max average t°: +29 °C (85 °F) Min average t°: +24 °C (76 °F) Water t°: +28 °C (82 °F) Sundial in the day: 5.5 hours Rainy days: 24 days Precipitation: 553 mm (22")

Summer Holidays

August 15 – Independence Day.
August 17 – Parsi New Year (Mumbai has the world’s biggest population of Zoroastrians).
August 26 – Nariyal Poornima (Fishermen festival), Raksha Bandhan.

Autumn in Mumbai

September is rainy too, but there are less than half of amount of precipitation of August. Due to decreased intensity and frequency of rains weather becomes warmer at afternoons and because of rising northern winds nights become cooler. Changes of temperature are not that noticeable in September but at October afternoon air usually warms up to 33 °C (91 °F).

In November daytime temperature stays same, but nights become cooler with around 23 °C (73 °F). Last autumn month is almost completely dry. There is usually only one rainy day. The sea is as warm as it was before.

Climate of the Autumn Months

September Max average t°: +29.5 °C (85 °F) Min average t°: +24.5 °C (76 °F) Water t°: +28 °C (82 °F) Sundial in the day: 7 hours Rainy days: 13 days Precipitation: 281 mm (11.1")

October Max average t°: +32 °C (89 °F) Min average t°: +24 °C (76 °F) Water t°: +29 °C (84 °F) Sundial in the day: 9.5 hours Rainy days: 3 days Precipitation: 51 mm (2.0")

November Max average t°: +32 °C (89 °F) Min average t°: +22 °C (72 °F) Water t°: +28 °C (82 °F) Sundial in the day: 10 hours Rainy days: 0 days Precipitation: 5 mm (0.2")

Autumn Holidays

September 2-3 – Govinda/Krishna Janmashtami.
September 9 – Bandra Feast.
September 13 – Ganesh Chaturthi.

October – Dussehra.
October 2 – Gandhi Jayanti.
October 10-19 – Navratri.

October-November – Diwali.
November – Guru Nanak Jayant.
November 14 – Children Day.

Winter in Mumbai

Winter is the best season to visit Mumbai. The air is dry and warm. Actually afternoons are pretty hot with around 32 °C (89 °F), but dry heat is more tolerable than humid. Nights are pleasantly cool with their 20 °C (68 °F) of average temperature. Amount of precipitation is neglectable in term of tourism, especially comparing to summer. And on top of this weather magnificence there is warm sea with its 25-27 °C (77-80 °F). Though sunscreens are necessary anyway.

Climate of the Winter Months

December Max average t°: +30 °C (87 °F) Min average t°: +20 °C (68 °F) Water t°: +26 °C (79 °F) Sundial in the day: 10 hours Rainy days: 0 days Precipitation: 3 mm (0.1")

January Max average t°: +28 °C (83 °F) Min average t°: +19 °C (66 °F) Water t°: +25 °C (77 °F) Sundial in the day: 11 hours Rainy days: 0 days Precipitation: 0.2 mm (0.01")

February Max average t°: +29 °C (84 °F) Min average t°: +19 °C (67 °F) Water t°: +25 °C (77 °F) Sundial in the day: 11 hours Rainy days: 0 days Precipitation: 0.3 mm (0.01")

Winter Holidays

December – Lohri Festival, Mood Indigo.
December-January – Putrada Ekadasi.

January – Shat-tila Ekadasi.
January 1 – New Year celebration.
January 5 – Guru Gobdin Singh’s Birthday.
January 15 – Army Day celebration.
January 26 – Republic Day Celebration.

February – Chembur Festival.
February 14 – St valentine’s Day.
February-March – Holi.