May weather forecast
Udon Thani, Thailand

Moving into May, Udon Thani witnesses a slight dip in temperature, accompanied by a drastic surge in humidity to 74%. The city is drenched in the highest rainfall of the year at 199mm (7.83"), signifying the heavy monsoon onset. Despite the rain showers, daylight hours rise to their peak, as do the sun's lingering presence, allowing for warm, sunny afternoons. The resultant weather pattern in May forms an integral part of Udon Thani's distinct tropical climate. Consequently, the May weather in Udon Thani is marked by moderately high temperatures, abundant rainfall, and significant humidity.

Temperature

The onset of May manifests an average high-temperature of a hot 34.4°C (93.9°F), demonstrating a minor variation from the preceding month. During May, the temperature in Udon Thani is averaged to a low of 24.8°C (76.6°F) at night.

Heat index

May's average heat index is calculated to be a life-threatening hot 50°C (122°F). Warning: Heat cramps and heat exhaustion are anticipated. Heatstroke is a risk with ongoing activity.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

The average relative humidity in May in Udon Thani is 74%.

Rainfall

In May, the rain falls for 16 days. Throughout May, 199mm (7.83") of precipitation is accumulated. In Udon Thani, during the entire year, the rain falls for 118 days and collects up to 1241mm (48.86") of precipitation.

Daylight

The average length of the day in May in Udon Thani is 12h and 57min.
On the first day of the month, sunrise is at 05:42 and sunset at 18:29. On the last day of May, sunrise is at 05:33 and sunset at 18:39 +07.

Sunshine

The average sunshine in May is 7h.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index in Udon Thani. A UV Index reading of 11, and higher, represents an excessive health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 12 during May translates into the following directions:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. 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. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. After a swim or an outdoor workout, generously apply and reapply a broad-spectrum SPF 30+ sunscreen.