June weather forecast
Mumbai, India

June in Mumbai is synonymous with the onset of the monsoon. It drastically reduces the heat accompanied by significant precipitation. The rain brings down the maximum temperature to 32.1°C (89.8°F) and brings a welcome relief from the scorching summer months. Opting for indoor activities seems wise considering the copious rainfall, one of the highest the city experiences throughout the year. As the monsoon starts to dominate the weather signature, the cityscape transforms, painting it in multiple hues of green.

Temperature

Mumbai's weather in June indicates an average high-temperature of a still tropical 32.1°C (89.8°F), nearly consistent with the 33.3°C (91.9°F) of May. In the month of June, the average low-temperature in Mumbai usually rests at a moderately hot 26°C (78.8°F).

Heat index

June's mean heat index is appraised at a life-threatening hot 45°C (113°F). Be on the lookout: Heat cramps and heat exhaustion are anticipated. Continued exertion can result in heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In June, the average relative humidity in Mumbai is 80%.

Rainfall

In Mumbai, India, in June, it is raining for 14.5 days, with typically 523mm (20.59") of accumulated 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

June is the month with the warmest seawater, with an average sea temperature of 30°C (86°F).
Note: When the water's temperature hits more than 30°C (86°F), it arguably becomes less enjoyable for cooling down.

Daylight

With an average of 13h and 18min of daylight, June has the longest days of the year.
On the first day of June in Mumbai, sunrise is at 6:00 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:20 pm IST.

Sunshine

In Mumbai, India, the average sunshine in June is 5h.

UV index

The months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an extreme health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In June, the maximum UV index of 12 translates into these guidelines:
Enforce every vital precaution. Those with light skin could endure burns in a matter of minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Even on overcast days, apply and frequently reapply a sunscreen with SPF 30 or more, specifically after a swim or outdoor workout. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.