nomadseason

October Weather in Si Chiang Mai, Thailand

Last updated: August 27, 2025

In October, the average temperature in Si Chiang Mai, Thailand is a warm 28°C (82°F). You'll experience minimums around 20°C (68°F) and maximums soaring up to 36°C (98°F). Be prepared for some rain, with 129 mm (5.1 in) expected over 15 days, and a notable average humidity of 74%. Ideal for those who love tropical climates!

October Temperature in Si Chiang Mai

In October in Si Chiang Mai, the average temperature is 28°C (82°F), with maximums reaching 36°C (98°F) and minimums dropping as low as 20°C (68°F). This warm and pleasant weather makes it an ideal time for travelers seeking sun and outdoor adventures.

October Weather in Si Chiang Mai: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Si Chiang Mai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Si Chiang Mai, October typically has an average temperature of 28°C (82°F), with highs reaching up to 36°C (98°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec747682848584848383827973
Data source: Temperature data for Si Chiang Mai generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Si Chiang Mai

In Si Chiang Mai in October, the precipitation amount is 129 mm (5.1 in) over a span of 15 days.

October Precipitation Trends in Si Chiang Mai

The chart displays monthly precipitation patterns in Si Chiang Mai, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Si Chiang Mai, October typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec6174170204309331402265129107
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Si Chiang Mai

In Si Chiang Mai in October, humidity is 74%. With an average temperature of 28°C (82°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities feel more exhausting and requiring frequent breaks to stay hydrated.

October Average Humidity in Si Chiang Mai

This chart illustrates the average monthly humidity levels in Si Chiang Mai, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Si Chiang Mai is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec52%49%39%40%69%81%83%87%86%74%63%57%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Si Chiang Mai

In Si Chiang Mai in October, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Si Chiang Mai.

Maximum UV Index Levels in Si Chiang Mai for October

The chart shows the monthly maximum UV Index (UVI) for Si Chiang Mai in October, 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 October, the maximum UV index in Si Chiang Mai typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131414131414141298
Data source: Si Chiang Mai October 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 October Weather in Si Chiang Mai Compares to Other Months

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

This table compares monthly weather conditions in Si Chiang Mai, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)6 mm (0.2 inches)52%very high
February Weather25°C (76°F)17 mm (0.7 inches)49%extreme
March Weather28°C (82°F)41 mm (1.6 inches)39%extreme
April Weather29°C (85°F)70 mm (2.8 inches)40%extreme
May Weather29°C (85°F)204 mm (8.0 inches)69%extreme
June Weather29°C (85°F)309 mm (12.2 inches)81%extreme
July Weather29°C (84°F)331 mm (13.0 inches)83%extreme
August Weather28°C (83°F)402 mm (15.8 inches)87%extreme
September Weather28°C (83°F)265 mm (10.4 inches)86%extreme
October Weather28°C (82°F)129 mm (5.1 inches)74%extreme
November Weather26°C (79°F)10 mm (0.4 inches)63%very high
December Weather23°C (74°F)7 mm (0.3 inches)57%very high

Compare Si Chiang Mai's Climate with Cities Worldwide