May weather forecastDehradun, India

Weather in May

The transition into full-fledged summer is seen in May, with temperatures reaching their annual highs, especially at 35.6°C (96.1°F). This sharp increase in temperature from April calls for lightweight clothes and plenty of hydration. Despite the heat, Dehradun remains an attractive destination thanks to its flamboyant surroundings coming alive under the bright sun. The city's natural air conditioning comes in the form of sporadic showers and cooling winds from the Himalayas. While afternoons can be hot, mornings and evenings remain relatively cooler and pleasant.

Temperature

In Dehradun, May is identified by the highest average temperatures, reaching a peak of 35.6°C (96.1°F) and a low of 20.7°C (69.3°F).

Heat index

The heat index value during May is computed to be an extremely hot 41°C (105.8°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The average relative humidity in May is 48%.

Rainfall

In Dehradun, in May, 42mm (1.65") of precipitation is typically accumulated. Throughout the year, in Dehradun, India, 2209mm (86.97") of rain is accumulated.

Daylight

In May, the average length of the day is 13h and 41min.
On the first day of May in Dehradun, sunrise is at 5:34 am and sunset at 6:55 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 7:14 pm IST.