April weather forecast
Balfai, Bhutan

April, like March, is a hot spring month in Balfai, Bhutan, with temperature in the range of an average low of 21°C (69.8°F) and an average high of 33.3°C (91.9°F).

Temperature

A minimal variation is noted in Balfai's average high-temperature at the onset of April, reaching a still hot 33.3°C (91.9°F) from March's 31.6°C (88.9°F). With the onset of night in April, Balfai reveals a significant decrease in temperature, averaging at an agreeable 21°C (69.8°F).

Heat index

For April, the heat index is estimated at a scorching 40°C (104°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

In April, the average relative humidity is 59%.

Rainfall

In Balfai, in April, it is raining for 16.2 days, with typically 68mm (2.68") of accumulated precipitation. In Balfai, during the entire year, the rain falls for 198.1 days and collects up to 1687mm (66.42") of precipitation.

Daylight

In Balfai, Bhutan, the average length of the day in April is 12h and 49min.
On the first day of April in Balfai, sunrise is at 05:44 and sunset at 18:11. On the last day of the month, sunrise is at 05:15 and sunset at 18:26 +06.

Sunshine

In Balfai, the average sunshine in April is 9.2h.

UV index

April, June and September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 7 in April converts into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.