January weather forecast
Kanchanaburi, Thailand

The onset of the year in Kanchanaburi, Thailand sees a blend of warmth, moderate humidity, and less frequent rain. Daylight persists for about 11 hours with ample sunshine, keeping the surroundings steeped in pleasant temperatures. Relative to December, temperatures in January see a minor hike, while preciptation experiences a reduction, limiting the downpour instances. January records a maximum temperature of 33°C (91.4°F) and a minor 3mm (0.12") rainfall throughout the month, indicating a predominantly dry weather. Coming into February, one would witness a similar weather pattern, but with slightly amplified temperatures and humidity.

Temperature

January's average high-temperature is a still hot 33°C (91.4°F), maintaining a close comparison with December's 31.3°C (88.3°F). Kanchanaburi records a pronounced decline from the day's peak to an average nighttime low-temperature of 19.9°C (67.8°F) throughout January.

Heat index

For most parts of January, the heat index is appraised at an extremely hot 41°C (105.8°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

In January, the average relative humidity in Kanchanaburi is 64%.

Rainfall

The month with the least rainfall is January, when the rain falls for 1 days and typically collects 3mm (0.12") of precipitation.

Daylight

The average length of the day in January in Kanchanaburi is 11h and 24min.
On the first day of January, sunrise is at 06:45 and sunset at 18:04. On the last day of the month, sunrise is at 06:49 and sunset at 18:20 +07.

Sunshine

The months with the most sunshine are January through April and December, with an average of 9h of sunshine.

UV index

The average daily maximum UV index in January in Kanchanaburi is 10. A UV Index estimate of 8 to 10 represents a very high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 10 during January translates into these guidelines:
Ensure you're protected; unprotected eyes and skin can get hurt in moments. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Even under cloud cover, use sunscreen with at least an SPF 30 generously and reapply frequently post every swim or outdoor exercise.