May weather forecast
Prachuap Khiri Khan, Thailand

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Weather in May

May does not see a relentless rise in temperature as April but rather a consistency in warmth. There's a significant rise in rainfall, the highest so far, going up to 127mm (5"), distributed across 14 days. It causes an increase in relative humidity to 77%, leading to a humid, almost wet, environment. Outdoor enthusiasts would be wise to plan activities around the weather, with the understanding that frequent showers, intermittently heavy, will occur. With daylight available for around 12.7 hours, the change from sultriness to gentle showers, with occasional thundershowers, can be witnessed within a single day.

Temperature

May's climate in Prachuap Khiri Khan shows a minor adjustment in average high-temperatures to a still hot 33.5°C (92.3°F) from April's 34°C (93.2°F). In Prachuap Khiri Khan, May's nights observe an average temperature dip to a moderately hot 25.3°C (77.5°F).

Heat index

The heat index for May is computed to be a burning hot 49°C (120.2°F). Alert: Heat cramps and heat exhaustion are likely to occur. Prolonged exertion can lead to heatstroke.
Consider that heat index readings are for situations in the shade and light wind. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. 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.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

In Prachuap Khiri Khan, the average relative humidity in May is 77%.

Rainfall

In Prachuap Khiri Khan, Thailand, in May, it is raining for 14 days, with typically 127mm (5") of accumulated precipitation. In Prachuap Khiri Khan, during the entire year, the rain falls for 128 days and collects up to 1092mm (42.99") of precipitation.

Daylight

The average length of the day in May in Prachuap Khiri Khan is 12h and 40min.
On the first day of the month, sunrise is at 06:01 and sunset at 18:34. On the last day of May, in Prachuap Khiri Khan, Thailand, sunrise is at 05:55 and sunset at 18:41 +07.
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Frequently asked questions

How hot does it get in Prachuap Khiri Khan in May?

In Prachuap Khiri Khan, 33.5°C (92.3°F) is the average high-temperature and 25.3°C (77.5°F) is the average low-temperature during May. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in May is computed to be 49°C (120.2°F).

What is the average humidity in May in Prachuap Khiri Khan?

The average relative humidity in May in Prachuap Khiri Khan, Thailand, is 77%.

How many days does it rain in May in Prachuap Khiri Khan?

In Prachuap Khiri Khan, during May, the rain falls for 14 days and regularly aggregates up to 127mm (5") of precipitation.

What is the average length of the day in May in Prachuap Khiri Khan?

In Prachuap Khiri Khan, the average day length in May is 12h and 40min.

When are sunrise and sunset in May in Prachuap Khiri Khan?

On the first day of May in Prachuap Khiri Khan, Thailand, sunrise is at 06:01 and sunset at 18:34. On the last day of the month, sunrise is at 05:55 and sunset at 18:41 +07.
Average humidity
Average rainfall days
Average daylight

Average temperature in May
Prachuap Khiri Khan, Thailand

Average temperature in May - Prachuap Khiri Khan, Thailand
  • Average high temperature in May: 33.5°C

The warmest month (with the highest average high temperature) is April (34°C).
The month with the lowest average high temperature is December (30.4°C).

  • Average low temperature in May: 25.3°C

The months with the highest average low temperature are May and June (25.3°C).
The coldest month (with the lowest average low temperature) is January (20.6°C).

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Average humidity in May
Prachuap Khiri Khan, Thailand

Average humidity in May - Prachuap Khiri Khan, Thailand
  • Average humidity in May: 77%

The month with the highest relative humidity is October (82%).
The month with the lowest relative humidity is December (70%).

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Average rainfall in May
Prachuap Khiri Khan, Thailand

Average rainfall in May - Prachuap Khiri Khan, Thailand
  • Average rainfall in May: 126.9mm

The wettest month (with the highest rainfall) is October (227.8mm).
The driest month (with the least rainfall) is December (15mm).

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Average rainfall days in May
Prachuap Khiri Khan, Thailand

Average rainfall days in May - Prachuap Khiri Khan, Thailand
  • Average rainfall days in May: 14 days

The month with the highest number of rainy days is August (20 days).
The months with the least rainy days are January and December (3 days).

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Average daylight in May
Prachuap Khiri Khan, Thailand

Average daylight in May - Prachuap Khiri Khan, Thailand
  • Average daylight in May: 12h and 4min

The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).

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Prachuap Khiri Khan, Thailand

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