March weather forecast
Bangkok, Thailand

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A beautiful park outside the Wat Ratchanatdaram Temple in the heart of Bangkok, Thailand
A beautiful park outside the Wat Ratchanatdaram Temple in the heart of Bangkok, Thailand

Weather in March

March sees a continuation of warm weather in Bangkok, Thailand with a noticeable ascent in mercury levels. This month reaches a yearly high temperature of 34.3°C (93.7°F), starting an intensely warm period in the city. However, residents and visitors relish the extended daylight duration of 12.1 hours, allowing ample time for outdoor adventures. Despite the heat, the rain showers increase marginally signaling the onset of the wet season. As the city gears up for the impending monsoon season, the escalating sea temperatures keep beach-goers satisfied.

Temperature

Bangkok greets March with an average high-temperature of a still tropical 34.3°C (93.7°F), marking a slight deviation from the preceding month. During the nights in March, an average low-temperature of 25.9°C (78.6°F) is observed.

Heat index

In March, the average heat index is estimated at a blazing hot 49°C (120.2°F). Be wary: Heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
Remember that heat index calculations are made for conditions in the shade with light wind. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The average relative humidity in March is 72%.

Rainfall

In Bangkok, in March, during 3 rainfall days, 42mm (1.65") of precipitation is typically accumulated. In Bangkok, during the entire year, the rain falls for 128 days and collects up to 1648mm (64.88") of precipitation.

Sea temperature

In Bangkok, in March, the average water temperature is 28.3°C (82.9°F).
Note: In water activities such as swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed highly pleasurable for extended periods without any unease.

Daylight

In Bangkok, the average length of the day in March is 12h and 4min.
On the first day of the month, sunrise is at 06:34 and sunset at 18:26. On the last day of March, sunrise is at 06:14 and sunset at 18:29 +07.

Sunshine

In Bangkok, the average sunshine in March is 8.7h.

UV index

The months with the highest UV index are February through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In March, the maximum UV index of 12 suggests this advice:
Ensure every key safety measure. People with light skin might sustain burns in fewer than 5 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Despite the cloudy weather, sunscreen with a sun protection factor of at least 30 should be liberally applied and reapplied, including after a swim or outdoor activity. Attention! The reflection of both water and sand can increase the intensity of UV rays.

Frequently asked questions

How hot is it in March?

The high-temperature, in March, in Bangkok, is 34.3°C (93.7°F), while the low-temperature averages to 25.9°C (78.6°F). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in March is estimated at 49°C (120.2°F).

What is the average humidity in March in Bangkok?

In Bangkok, the average relative humidity in March is 72%.

How much does it rain in March?

In Bangkok, during March, the rain falls for 3 days and regularly aggregates up to 42mm (1.65") of precipitation.

What is the sea water temperature in March?

In Bangkok, in March, the average water temperature is 28.3°C (82.9°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in March in Bangkok?

In Bangkok, the average day length in March is 12h and 4min.

What time are sunrise and sunset in March?

On the first day of March in Bangkok, sunrise is at 06:34 and sunset at 18:26. On the last day of the month, sunrise is at 06:14 and sunset at 18:29 +07.

How long on average sun shines in March?

In Bangkok, the average sunshine duration in March is 8.7h.

What is the month with the highest UV index?

February through September, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index intensity in March?

In Bangkok, the average daily maximum UV index in March is 12. A UV Index estimate of 11, and higher, represents an excessive health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in March
Bangkok, Thailand

Average temperature in March - Bangkok, Thailand
  • Average high temperature in March: 34.3°C

The warmest month (with the highest average high temperature) is April (35.4°C).
The month with the lowest average high temperature is December (31.7°C).

  • Average low temperature in March: 25.9°C

The month with the highest average low temperature is April (26.9°C).
The coldest month (with the lowest average low temperature) is December (22°C).

Average humidity in March
Bangkok, Thailand

Average humidity in March - Bangkok, Thailand
  • Average humidity in March: 72%

The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is December (66%).

Average rainfall in March
Bangkok, Thailand

Average rainfall in March - Bangkok, Thailand
  • Average rainfall in March: 42.1mm

The wettest month (with the highest rainfall) is September (334.3mm).
The driest month (with the least rainfall) is December (6.3mm).

Average rainfall days in March
Bangkok, Thailand

Average rainfall days in March - Bangkok, Thailand
  • Average rainfall days in March: 3 days

The month with the highest number of rainy days is September (21 days).
The months with the least rainy days are January and December (1 days).

Average sea temperature in March
Bangkok, Thailand

Average sea temperature in March - Bangkok, Thailand
  • Average sea temperature in March: 28.3°C

The best month for swimming (with the highest average sea temperature) is May (29.9°C).
The coldest month (with the lowest average sea temperature) is January (26.7°C).

Average daylight in March /
Average sunshine in March
Bangkok, Thailand

Average daylight in March / Average sunshine in March - Bangkok, Thailand
  • Average daylight in March: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in March: 8h and 4min

The month with the most sunshine is February (Average sunshine: 9h and 0min).
The months with the least sunshine are August and September (Average sunshine: 5h and 12min).

Average UV index in March
Bangkok, Thailand

Average UV index in March - Bangkok, Thailand
  • Average UV index in March: 12

The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).

Bangkok, Thailand

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