Climate Insights for Chaiya

The climate in Chaiya is cold. The average annual temperature is -4°C and approximately 330mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Chaiya sits near the equator, so seasonal temperature differences are minimal throughout the year. Chaiya experiences heavy snowfall, typically from January through December.

Chaiya sees moderate temperature variation throughout the year, ranging from -11°C to 0°C. December is the warmest month, though highs remain moderate at 0°C with a mean of 0°C. The coldest month is July, when overnight lows fall to -11°C and the daily average is -8°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between May and June, with a 3°C shift in average temperatures.

Chaiya is a quite dry location, receiving approximately 330mm of precipitation annually, which averages out to around 28mm per month. The wettest month is April, averaging 33mm of rainfall. June and July also tend to see above-average precipitation. The driest month is February, with just 10mm. That's 22mm less than April, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Chaiya receives heavy snowfall, accumulating around 330cm annually from January through December. The snowiest month is April, with approximately 33cm. Winter travel should account for significant snow cover.

Chaiya is mildly breezy, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 13km/h in winter, 11km/h in spring, 10km/h in summer, 14km/h in autumn.

It is currently summer in Chaiya, which began on June 21, 2026. Chaiya sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in December at around 0°C, while the coldest stretch bottoms out in July near -11°C. Autumn is next, beginning on September 23, 2026 (16 days from now).

The table below shows monthly climate averages for Chaiya based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.