June weather forecast
Sai Tso Wan, Hong Kong

June, the first month of the summer in Sai Tso Wan, is a hot month, with an average temperature ranging between min 26.8°C (80.2°F) and max 30.1°C (86.2°F).

Temperature

The average high-temperature during June is a hot 30.1°C (86.2°F), almost matching the conditions of the preceding month. June nights in Sai Tso Wan register a minor temperature decline, steadying at a warm 26.8°C (80.2°F).

Heat index

For most parts of June, the heat index is calculated to be a very hot 39°C (102.2°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant 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's vital to remain hydrated, particularly during prolonged physical activities.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In Sai Tso Wan, the average relative humidity in June is 82%.

Rainfall

In Sai Tso Wan, during June, the rain falls for 24.7 days and regularly aggregates up to 198mm (7.8") of precipitation. Throughout the year, there are 207.6 rainfall days, and 1194mm (47.01") of precipitation is accumulated.

Daylight

June has the longest days of the year, with an average of 13h and 30min of daylight.
On the first day of the month, sunrise is at 05:38 and sunset at 19:03. On the last day of June, sunrise is at 05:42 and sunset at 19:11 HKT.

Sunshine

In June, the average sunshine in Sai Tso Wan is 9.2h.

UV index

The months with the highest UV index in Sai Tso Wan are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In June, a daily UV index of 7 turns into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.