Climate Overview
The climate in Nakhon Nayok is hot. The average annual temperature is 28°C and approximately 1536mm of precipitation falls per year. September is the wettest month, receiving around 301mm of rainfall. Nakhon Nayok is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, March, May. The coldest months are December, January, February, when temperatures can drop to 21°C.
Temperature
Nakhon Nayok sees moderate temperature variation throughout the year, ranging from 21°C to 35°C. April is the hottest month, with daytime highs reaching 35°C and an average of 30°C. December is the coolest month, with minimum temperatures around 21°C and an average of 26°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
Nakhon Nayok is a fairly wet location, receiving approximately 1536mm of precipitation annually, which averages out to around 128mm per month. The wettest month is September, averaging 301mm of rainfall. August and July also tend to see above-average precipitation. The driest month is February, with just 14mm. That's 287mm less than September, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Nakhon Nayok is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
90 days until Autumn
It is currently summer in Nakhon Nayok, which began on June 21, 2026. Nakhon Nayok is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in April at around 35°C, while the coldest stretch bottoms out in December near 21°C. Autumn is next, beginning on September 23, 2026 — 90 days from now.
Spring
Temperatures range from 24 to 35°C. Precipitation is moderate at around 265mm for the season, averaging 88mm per month. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 33°C. Rainfall is heavy, totalling around 706mm across the season with a monthly average of 235mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 32°C. Rainfall is heavy, totalling around 512mm across the season with a monthly average of 171mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 21 to 33°C. Rainfall is relatively light, with around 53mm over the season and a monthly average of 18mm. Winds are generally light, averaging 2km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Nakhon Nayok 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. 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.
