June weather forecast
Hanoi, Vietnam

June maintains the summertime climate from May, represented by comparatively high humidity and temperature levels. Interestingly, daylight hours peak at 13.4 hours in June, the longest in the year. This extended daylight provides a longer time frame for tourists to explore the beauty of Hanoi. The increased precipitation in this month signals the heart of the monsoon season, a pattern which escalates in the subsequent month.

Temperature

In Hanoi, Vietnam, the peak temperatures are generally noted in June, averaging a high of 35.4°C (95.7°F) and a low of 26.6°C (79.9°F).

Heat index

The heat index for June is evaluated at a life-threatening hot 52°C (125.6°F). Beware: Heat exhaustion along with heat cramps are on the cards. Heatstroke could result from sustained physical activity.
Heat index's context suggests values are appropriate for shady areas and slight breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In June, the average relative humidity is 71%.

Rainfall

In Hanoi, during June, the rain falls for 19.5 days and regularly aggregates up to 66mm (2.6") of precipitation. In Hanoi, during the entire year, the rain falls for 181.2 days and collects up to 595mm (23.43") of precipitation.

Daylight

June has the longest days of the year, with an average of 13h and 24min of daylight.
On the first day of the month, sunrise is at 05:14 and sunset at 18:34. On the last day of June, sunrise is at 05:18 and sunset at 18:42 +07.

Sunshine

With an average of 10.1h of sunshine, June has the most sunshine of the year in Hanoi.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 7 in June converts into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.