May weather forecast
Mường Khương, Vietnam

May, the last month of the spring in Mường Khương, is another tropical month, with an average temperature varying between 20.3°C (68.5°F) and 32.2°C (90°F).

Temperature

Mường Khương's temperature records reveal May as the warmest month, marked by average highs of 32.2°C (90°F) and lows of 20.3°C (68.5°F).

Heat index

The heat index value for May is calculated to be a blisteringly hot 41°C (105.8°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In May, the average relative humidity is 70%.

Rainfall

In Mường Khương, during May, the rain falls for 18.6 days and regularly aggregates up to 92mm (3.62") of precipitation. Throughout the year, there are 189.1 rainfall days, and 809mm (31.85") of precipitation is accumulated.

Daylight

In May, the average length of the day is 13h and 14min.
On the first day of the month, sunrise is at 05:30 and sunset at 18:30. On the last day of May, sunrise is at 05:18 and sunset at 18:44 +07.

Sunshine

The average sunshine in May is 10.3h.

UV index

March through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 6 in May translates into these instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.