April Weather in Si That, Thailand

Last updated: August 27, 2025

In April, the average temperature in Si That, Thailand hovers around 29°C (85°F), making it a warm destination. However, temperatures can vary significantly, with a minimum of 16°C (62°F) and a staggering maximum of 42°C (108°F). Be prepared for some rainfall, as the area receives an average of 80 mm (3.1 in) over about 10 days. Additionally, the average humidity sits at a comfortable 40%, ensuring a pleasant atmosphere for your visit.

April Temperature in Si That

In April in Si That, the average temperature is 29°C (85°F). The maximum can reach 42°C (108°F), and the minimum can be as low as 16°C (62°F). Travelers should prepare for a warm climate with the possibility of extreme heat, making lightweight clothing and hydration essential.

April Weather in Si That: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Si That, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Si That, April typically has an average temperature of 29°C (85°F), with highs reaching up to 42°C (108°F) and lows dropping to around 16°C (62°F).

Data source: Temperature data for Si That generated using information from the Copernicus Climate Change Service.

April Precipitation in Si That

In Si That in April, the total precipitation amount is 80 mm (3.1 in) over a period of 10 days.

April Precipitation Trends in Si That

The chart displays monthly precipitation patterns in Si That, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Si That, April typically receives around 80 mm (3.1 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Si That

In Si That in April humidity is 40%. With an average temperature of 29°C (85°F), this humidity feels like a warm embrace, making travel enjoyable as long as you stay hydrated and take breaks in the shade.

April Average Humidity in Si That

This chart illustrates the average monthly humidity levels in Si That, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Si That is approximately 40%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Si That

In Si That in April, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Si That, you can check here.

Maximum UV Index Levels in Si That for April

The chart shows the monthly maximum UV Index (UVI) for Si That in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Si That typically reaches 14, which falls under the extreme exposure category.

Data source: Si That April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How April Weather in Si That Compares to Other Months

Weather in Si That varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Si That, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Si That, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	4 mm (0.2 inches)	59%	very high
February Weather	25°C (77°F)	14 mm (0.6 inches)	54%	extreme
March Weather	28°C (83°F)	36 mm (1.4 inches)	45%	extreme
April Weather	29°C (85°F)	80 mm (3.1 inches)	40%	extreme
May Weather	29°C (85°F)	167 mm (6.6 inches)	65%	extreme
June Weather	29°C (85°F)	157 mm (6.2 inches)	82%	extreme
July Weather	29°C (84°F)	266 mm (10.5 inches)	90%	extreme
August Weather	28°C (83°F)	235 mm (9.3 inches)	92%	extreme
September Weather	28°C (83°F)	223 mm (8.8 inches)	86%	extreme
October Weather	27°C (81°F)	117 mm (4.6 inches)	80%	extreme
November Weather	26°C (79°F)	17 mm (0.7 inches)	72%	very high
December Weather	23°C (74°F)	6 mm (0.2 inches)	66%	very high