May weather forecast

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Flag of Nepal

Weather in May

May in Nepal marks the end of spring and the beginning of summer, characterized by rising temperatures and a significant increase in rainfall. In the capital city Kathmandu, situated in the hilly mid-region, average temperatures range from 15°C (59°F) to 30°C (86°F). The lowland Terai regions experience higher temperatures, generally fluctuating between 25°C (77°F) and 40°C (104°F). Meanwhile, in the high Himalayan regions, temperatures typically vary from 10°C (50°F) to 20°C (68°F).

Pokhara, a city nestled between serene lakes and towering mountains, sees average temperatures ranging from 20°C (68°F) to 33°C (91.4°F). The frequency of rainfall intensifies during this month, often causing occasional disruptions to the visibility of the Himalayan peaks.

The Terai plains, by May, have fully embraced the tropical climate. The region is hot, humid, and experiences increasing rainfall, a stark contrast to the cooler and drier conditions experienced during the winter months.

May experiences a significant increase in precipitation compared to April, making it one of the wettest months of the year. The arrival of the pre-monsoon showers indicates the transition towards the full-fledged monsoon season. These rain events, while still intermittent, are more intense and frequent.

The accessibility of high altitude trekking routes such as the Everest Base Camp and the Annapurna Circuit starts to decrease due to the increasing likelihood of heavy rain and sudden weather changes. Meanwhile, the increasing heat, humidity, and rainfall in the Terai region render wildlife viewing at the Chitwan National Park less optimal towards the end of the month. However, the Kathmandu Valley, while experiencing warmer temperatures and occasional showers, continues to offer pleasant trekking conditions.

  • Kathmandu - May »
    In Kathmandu during the entire year, the rain falls for 110 days and collects up to 1455mm (57.28") of precipitation. On the first day of May in Kathmandu, sunrise is at 5:23 am and sunset at 6:37 pm.
  • Pokhara - May »
    In Pokhara, during May, the rain falls for 5 days and regularly aggregates up to 359mm (14.13") of precipitation. In Pokhara, during May, the rain falls for 5 days and regularly aggregates up to 359mm (14.13") of precipitation.
  • Biratnagar - May »
    On the first day of May in Biratnagar, Nepal, sunrise is at 5:17 am and sunset at 6:28 pm. In Biratnagar, during May, the rain falls for 16.8 days and regularly aggregates up to 74mm (2.91") of precipitation.
  • Bharatpur - May »
    In Bharatpur during the entire year, the rain falls for 197.3 days and collects up to 1846mm (72.68") of precipitation. The warmest month in Bharatpur is May, with an average high-temperature of 28.5°C (83.3°F) and an average low-temperature of 17.4°C (63.3°F).
  • Janakpur - May »
    The months with the most sunshine in Janakpur are April and May, with an average of 11.8h of sunshine. The months with the highest UV index in Janakpur are April, May and August, with an average maximum UV index of 8.
  • Bhaktapur - May »
    As May arrives in Bhaktapur so does the monsoon season, marked by high rainfall, increasing temperatures, and enhanced humidity. On the last day of the month, in Bhaktapur, sunrise is at 5:07 am and sunset at 6:54 pm +0545.
  • Nepalgunj - May »
    May is Nepalgunj's warmest month, registering average high temperatures of 37.4°C (99.3°F) and lows of 24.6°C (76.3°F). May, recognised by an average high temperature of 37.4°C (99.3°F) and a low of 24.6°C (76.3°F), is Nepalgunj's warmest month.
  • Birendranagar - May »
    May proves to be the warmest month in Birendranagar, recording an average peak temperature of 33.9°C (93°F) and a minimum temperature of 20.4°C (68.7°F). Birendranagar's warmest month, May, generally records average temperatures ranging from a high of 33.9°C (93°F) to a low of 20.4°C (68.7°F).
  • Itahari - May »
    The beginning of May in Itahari records an average high-temperature of a still fiery hot 36.3°C (97.3°F), almost echoing the conditions of the previous month. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating.
  • Tulsipur - May »
    As summer continues to dominate, May lays claim to the record of the hottest month of the year in Tulsipur, with temperature highs soaring up to 41.6°C (106.9°F). In Tulsipur, Nepal, during May, the rain falls for 5.2 days and regularly aggregates up to 12mm (0.47") of precipitation.


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