Si Wilai Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Si Wilai

Si Wilai temperature today is 28°, feels like 31°, with a humidity level of 75% and wind at 3.49 km/h. Rain chance today is 0%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in Si Wilai: expect a high of 32° and a low of 24°, with broken clouds.

clear sky
28°
clear sky
H: 28° L: 28°
Feels like 31°
AQI: Fair (2/5)
Humidity
75%
Dew 23°
Wind speed
3.49 km/h
S · G3.74
Pressure
1014 hPa
Visibility
10 km
Weather Summary
Currently in Si Wilai, expect varied conditions with hot temperatures around 28°, though it feels warmer. Winds are calm winds. Stay hydrated and seek shade during peak hours.
Precipitation Probability
0%
22
0%
01
0%
04
0%
07
0%
10
0%
13
0%
16
0%
19
0%
22
0%
01
0%
04
0%
07
0%
10
0%
13
0%
16
0%
19
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
27°
Wed
22:00
25°
 
24°
 
25°
 
29°
Thu
10:00
32°
 
31°
 
27°
 
25°
Thu
22:00
25°
 
24°
 
26°
 
30°
Fri
10:00
32°
 
24°
 
24°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
05:56
Sunset
Sunset
17:49
Moon Phase
Waning Crescent (10%)
Timezone: GMT+05:30
Last updated: Oct 7, 2026 5:54 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
18.181881
Longitude
Longitude
103.747932
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More about Si Wilai
Content curated by the NearWeather editorial team · Updated periodically

Si Wilai, Thailand - Climate and Weather Guide

Welcome to our comprehensive guide to the climate and weather in Si Wilai, Thailand. Whether you're a local resident or a traveler planning a visit, having a good understanding of the weather patterns and climate of this region is essential for making the most of your time there. Situated in the northeastern part of Thailand, Si Wilai experiences a tropical climate with distinct wet and dry seasons. Let's delve into the details of the weather patterns, temperatures, and precipitation throughout the year in Si Wilai.

Temperature in Si Wilai

The temperatures in Si Wilai vary significantly throughout the year due to the distinct wet and dry seasons. The hottest months are typically from March to May, with average high temperatures ranging from 33°C to 36°C (91°F to 97°F). The coolest period is from November to February, with average low temperatures ranging from 17°C to 22°C (63°F to 72°F). The transition months of October and March experience moderate temperatures, making them ideal times to visit for milder weather conditions.

Here's a breakdown of the average monthly temperatures in Si Wilai:

Month Average High (°C) Average Low (°C)
January 32 20
February 33 22
March 36 24
April 35 25
May 34 25
June 33 25
July 32 25
August 32 25
September 32 25
October 31 24
November 30 22
December 31 20

Precipitation and Wet Season

The wet season in Si Wilai typically spans from May to October, with peak rainfall occurring in August and September. During this period, the region receives a significant amount of precipitation, contributing to lush vegetation and vibrant landscapes. The annual average rainfall in Si Wilai is approximately 1,200mm to 1,500mm.

Here's a monthly breakdown of the average rainfall in Si Wilai:

Month Rainfall (mm)
January 5
February 20
March 35
April 85
May 200
June 190
July 180
August 270
September 270
October 160
November 30
December 10

Dry Season and Humidity

The dry season in Si Wilai typically spans from November to April, characterized by lower humidity and minimal rainfall. This period is considered the best time to visit for those seeking outdoor activities and exploration, as the clear skies and comfortable temperatures create ideal conditions for sightseeing, trekking, and cultural experiences.

The average humidity in Si Wilai ranges from 70% to 80% throughout the year, with slightly lower levels during the dry season. The combination of warm temperatures and moderate humidity makes for a tropical climate that is enjoyable for most visitors.

Climatic Influences

The climate of Si Wilai is influenced by its geographical location within the northeastern region of Thailand. The area experiences the impact of the southwest monsoon, which brings the majority of the annual rainfall during the wet season. Additionally, the region's proximity to the Mekong River and its tributaries contributes to the overall climate patterns, particularly in terms of humidity and agricultural activities.

Understanding the climatic influences and seasonal variations is crucial for planning activities and travel in Si Wilai, ensuring an optimal experience while minimizing potential weather-related disruptions.

Conclusion

In conclusion, Si Wilai, Thailand, offers a diverse climate with distinct wet and dry seasons. From the warmer and wetter months of May to October to the cooler and drier period from November to April, visitors to Si Wilai can experience a range of weather conditions throughout the year. Whether you're drawn to the lush landscapes of the wet season or the sunny skies of the dry season, Si Wilai has something to offer for every type of traveler. By understanding the climate and weather patterns, you can make informed decisions about the best time to visit and the activities to enjoy during your stay in this enchanting region of Thailand.

Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Si Wilai
What is the temperature in Si Wilai right now?

The current temperature in Si Wilai is 28°, and it feels like 31°. Today's high is 28° and the low is 28°.

Will it rain in Si Wilai today?

No rain is expected in Si Wilai today (0% chance). Conditions are currently clear sky.

What is the weather in Si Wilai today?

Si Wilai is experiencing clear sky with a temperature of 28°. Humidity is at 75% and wind speed is 3.49 km/h from the S.

What is the humidity in Si Wilai today?

Humidity in Si Wilai is 75% right now, with a dew point of 23°. Comfort levels are moderate.

What is the wind speed in Si Wilai today?

Wind speed in Si Wilai is 3.49 km/h, flowing at 180° S wind direction. Gusts up to 3.74 km/h.

What is the 5-day forecast for Si Wilai?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for Si Wilai. Today's high is 28° and low is 28°, with a 0% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in Si Wilai today?

It feels like 31° in Si Wilai today, with 0% cloud cover and 10 km visibility.

Weather in Si Wilai