May weather forecast
Ban Lum, Thailand

May

Weather in May

The last month of the spring, May, is another very hot month in Ban Lum, Thailand, with an average temperature varying between 27.1°C (80.8°F) and 36.3°C (97.3°F).

Temperature

Ban Lum's transition from April to May introduces an average high-temperature of a still very hot 36.3°C (97.3°F), marking an insignificant variation from the 38.5°C (101.3°F). During May, Ban Lum consistently records a temperature low averaging a moderately hot 27.1°C (80.8°F).

Heat index

The heat index value during May is evaluated at a burning hot 49°C (120.2°F). Caution: Heat cramps along with heat exhaustion are expected. Sustained activity could lead to heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. 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 highly critical to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

In Ban Lum, the average relative humidity in May is 60%.

Rainfall

In Ban Lum, during May, the rain falls for 22.7 days and regularly aggregates up to 95mm (3.74") of precipitation. Throughout the year, there are 193.8 rainfall days, and 911mm (35.87") of precipitation is accumulated.

Daylight

In May, the average length of the day is 12h and 56min.
On the first day of the month, sunrise is at 05:54 and sunset at 18:40. On the last day of May, in Ban Lum, sunrise is at 05:46 and sunset at 18:50 +07.

Sunshine

With an average of 10.8h of sunshine, May has the most sunshine of the year.

UV index

In Ban Lum, Thailand, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 7 in May converts into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

How hot is it in May?
Ban Lum in May has an average high-temperature of 36.3°C (97.3°F) and an average low-temperature of 27.1°C (80.8°F). In May, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 49°C (120.2°F).
What is the average humidity in May?
The average relative humidity in May is 60%.
How much does it rain in May?
In Ban Lum, in May, during 22.7 rainfall days, 95mm (3.74") of precipitation is typically accumulated.
How many hours of daylight does Ban Lum have in May?
The average day length in May is 12h and 56min.
When are sunrise and sunset in May?
In May, on the first day of the month, sunrise is at 05:54 and sunset at 18:40. On the last day of the month, sunrise is at 05:46 and sunset at 18:50 +07.
What month has the most sunshine?
The month with the most sunshine is May, with an average of 10.8h of sunshine.
How many hours of sunshine does Ban Lum have in May?
In Ban Lum, the average sunshine duration in May is 10.8h.
How high is the UV index in May in Ban Lum?
In May, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May
Ban Lum, Thailand
  • Average high temperature in May: 36.3°C

The warmest month (with the highest average high temperature) is April (38.5°C).
The month with the lowest average high temperature is December (29.4°C).

  • Average low temperature in May: 27.1°C

The month with the highest average low temperature is April (27.5°C).
The coldest month (with the lowest average low temperature) is December (18.9°C).

Average pressure in May
Ban Lum, Thailand
  • Average pressure in May: 1007.1mbar

The month with the highest atmospheric pressure is December (1013.5mbar).
The month with the lowest atmospheric pressure is June (1006.1mbar).

Average wind speed in May
Ban Lum, Thailand
  • Average wind speed in May: 6.5km/h

The windiest month (with the highest average wind speed) is June (7.2km/h).
The calmest month (with the lowest average wind speed) is October (4.1km/h).

Average humidity in May
Ban Lum, Thailand
  • Average humidity in May: 60%

The months with the highest relative humidity are August and September (83%).
The month with the lowest relative humidity is March (40%).

Average rainfall in May
Ban Lum, Thailand
  • Average rainfall in May: 95mm

The wettest month (with the highest rainfall) is August (196mm).
The driest month (with the least rainfall) is February (5mm).

Average rainfall days in May
Ban Lum, Thailand
  • Average rainfall days in May: 22.7 days

The month with the highest number of rainy days is August (27.7 days).
The month with the least rainy days is February (2.2 days).

Average daylight in May /
Average sunshine in May
Ban Lum, Thailand
  • Average daylight in May: 12h and 5min

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in May: 10h and 5min

The month with the most sunshine is May (Average sunshine: 10h and 48min).
The month with the least sunshine is August (Average sunshine: 6h and 30min).

Average sunshine days in May
Ban Lum, Thailand
  • Average sunshine days in May: 6.7 days

The month with the most sunshine days is January (26.8 days).
The month with the least sunshine days is September (2 days).

Average UV index in May
Ban Lum, Thailand
  • Average UV index in May: 7

The months with the highest UV index are February, March and April (UV index 8).
The months with the lowest UV index are July, August, November and December (UV index 6).

Average cloud cover in May
Ban Lum, Thailand
  • Average cloud cover in May: 36

The months with the most cloud cover are July and August (Cloud cover 56).
The month with the least cloud cover is February (Cloud cover 12).

Average visibility in May
Ban Lum, Thailand
  • Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, November and December (10km).
The month with the lowest visibility is August (8km).

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