April brings mild and comfortable weather, making it one of the best months to visit
Dehradun. This month sees temperatures rise considerably compared to
March, bringing a delightful warmth. Sightseeing and forest walks take precedence amongst tourists and residents due to the sun's extended stay with daylight hours reaching up to 12.9. Regardless of its geographical proximity to the Himalayas, April sees a significant dip in humidity levels, ensuring that the city enjoys a dry warmth. The brilliant, sunny weather coexists with the city's natural beauty, providing ideal photographic opportunities.
Temperature
The shift from March to April brings an increase in the average high-temperature, moving from a moderately hot 26.4°C to a tropical 32.1°C. In April, the nighttime temperature plummets remarkably from the daily apex to a steady average of 16.7°C.
Heat index
Throughout April, the heat index is appraised at a hot 34°C. Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
April is the least humid month, with an average relative humidity of 46%.
Rainfall
During April, Dehradun regularly aggregates up to 23mm of precipitation. Throughout the year, in Dehradun, 2209mm of rain is accumulated.
Daylight
The average length of the day in April is 12h and 55min.
On the first day of the month, sunrise is at 6:07 am and sunset at 6:36 pm. On the last day of April, sunrise is at 5:35 am and sunset at 6:54 pm IST.