Halong Bay Weather in May

Halong Bay Weather in May
Throughout the month of May daytime temperatures will generally reach highs of around 31°C that's about 88°F. At night the average minimum temperature drops down to around 24°C, that's 75°F. In recent times the highest recorded temperature in May has been 40°C that's 104°F, with the lowest recorded temperature 15°C, about 59°F.

The average daily relative humidity for May is around 87%.The average monthly amount of precipitation has been recorded at around 192 mm, that's 7.6 inches. Throughout the month you can expect to see rain or drizzle falling on 12 days of the month.

The average daily wind speed in May has been around 8 km/h, that’s the equivalent to about 5 mph, or 5 knots. In recent years the maximum sustained wind speed has reached 43 km/h, that’s the equivalent of around 26 mph, or 23 knots.Given average maximum temperatures and humidity levels you can expect dangerous heat conditions. Sunstroke, muscle cramps and heat exhaustion are likely. Heatstroke is possible with prolonged exposure and/or physical activity (see heat index for more information).

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