Nepal Heatwave and Rainfall 2026

Hospitals in Nepal's hills and mountains, including Sotang Primary Hospital, requested antivenom supplies due to increasing venomous snakebites linked to rising temperatures and climate change affecting previously unaffected areas.

Monsoon winds affected Koshi, Madhesh, Bagmati, Gandaki, and Lumbini provinces, bringing cloudy skies, light rain, thunderstorms in hilly areas, and moderate rainfall with snowfall in Himalayan and hilly regions, alongside ongoing heatwave warnings for parts of the Terai.

Inner Terai regions including Nepalgunj and Bhairahawa faced extreme heatwaves with temperatures reaching up to 40°C, while cities such as Pokhara, Kathmandu, Biratnagar, and Taplejung experienced moderate rain with thunderstorms and lightning.

Western Nepal's Terai districts including Nepalgunj, Bhairahawa, and Dhangadhi continue experiencing heatwave conditions with temperatures up to 40°C, while monsoon rainfall and thunderstorms expand across other regions including Kathmandu Valley.

Monsoon activity is active in eastern and central Nepal covering Koshi, Madhesh, Bagmati, and parts of Gandaki and eastern Lumbini provinces with moderate rain and thunderstorms in hills and mountains. Meanwhile, intense heatwave persists in several western Terai districts, with temperatures up to 41°C in Nepalgunj.

Temperatures in Nepal's Terai region keep rising with hot winds forecast for Sudurpashchim and Lumbini provinces over the next three days. Dhangadhi may reach 40°C, while Nepalgunj and Bhairahawa could hit 41°C, prompting public health precautions.

Western Terai cities like Nepalgunj and Dhangadhi experience extreme heat up to 41°C, while central locations such as Birendranagar, Bhairahawa, and Ghorahi have hot days at 35 to 39°C without rain. Central and eastern hilly areas, including Kathmandu and Pokhara, face chances of moderate rain and thunderstorms in the afternoon.

Monsoon rains are active in eastern Nepal with moderate rain and thunderstorms forecast in hilly and Himalayan regions of Koshi, Bagmati, Gandaki, and Lumbini provinces. Heatwave conditions persist in parts of western Terai with temperatures reaching up to 41°C.

Monsoon winds affect Koshi, Madhesh, Bagmati, Gandaki, and Lumbini provinces, with cloudy skies and potential moderate rainfall accompanied by thunderstorms in hilly and Terai regions. Heatwaves may occur in parts of Lumbini and Sudurpaschim Terai provinces, with hot days in Bagmati and Gandaki Terai areas.

Nepal experiences a mixed influence of western, local, and monsoon winds, causing cloudy skies, light rain, snowfall, and hot winds across various provinces including Koshi, Bagmati, Gandaki, and Sudurpaschim. Rain and snowfall with thunderstorms occur in Himalayan and hilly regions.

The Department of Hydrology and Meteorology issued a heatwave alert for Terai regions in Sudurpashchim and Lumbini provinces, forecasting rising temperatures and a 40% chance of moderate rain and thunderstorms in Kathmandu Valley.

Monsoon remains weak and confined to eastern Nepal with moderate rainfall expected in parts of Koshi Province. Heatwave conditions intensify in western Terai regions, including Nepalgunj and Dhangadhi, with temperatures reaching up to 41°C.

The Rastriya Swatantra Party set up a health desk at its national convention in Chitwan, providing heat safety advice and conducting health check-ups for attendees, with 23 people examined showing normal health.

The southwest monsoon entered Nepal six days behind usual schedule on June 19, reaching eastern Koshi Province with weak rains expected to spread further in coming days. The Department of Hydrology and Meteorology continues monitoring and issuing bulletins on monsoon progression.

Indian tourists escaping northern India's heatwave increased summer visits to Nepal's cooler regions such as Chitwan and Pokhara, significantly boosting local tourism during the off-season.

Madhesh Province experienced a severe heatwave with temperatures above 35°C, disrupting daily life and causing a surge in heat-related illnesses and snakebite cases, straining local hospitals in Janakpur and Birgunj.

Western and central Terai cities including Nepalgunj and Bhairahawa faced extreme heat up to 41°C, alongside rain, thunderstorms, and lightning in hilly and eastern cities such as Pokhara and Biratnagar.

Eastern Nepal, including Koshi Province, experienced moderate to heavy rain and thunderstorms, while western Terai districts faced a heatwave with temperatures up to 41°C.

Nepal recorded its highest pre-monsoon rainfall in 45 years, measuring 339.77 mm, which is 145.5% of the normal average and surpasses the previous record set in 1990 of 331.40 mm, attributed to western low-pressure systems and extreme heat.

Bhairahawa recorded 41.5°C and Nepalgunj 40.4°C amid rising temperatures in Terai, concurrent with heavy rainfall in districts such as Gorkha, Morang, Sunsari, and Jhapa.

Heatwave-like conditions continued in western and central Terai with temperatures between 37 and 39°C, while heavy thunderstorms were forecast for hilly and Himalayan regions including Pokhara.

Khajura in Banke district recorded Nepal's highest temperature at 40.1°C amid an intensifying heatwave affecting large parts of the Tarai including Sudurpashchim, Lumbini, Gandaki, and Bagmati provinces.

Heatwaves with temperatures up to 40°C affected Nepalgunj, Dhangadhi, and Bhairahawa in Terai, while hilly and eastern regions including Pokhara and Taplejung experienced moderate rain with thunderstorms.

The monsoon arrival in Nepal was forecast to be delayed by about one week, expected around June 20, with potential for less rainfall and higher temperatures this season, affecting approximately 226,000 citizens.

Nepal's Tarai region experienced a severe heatwave with temperatures exceeding 38°C and alerts issued in multiple districts; forecasts predicted temperatures up to 41°C in Nepalgunj over the coming days.

Nepal's upper atmosphere influenced by a western low-pressure line caused partial cloudiness and moderate thunderstorms in several provinces, with heatwaves and hot days expected in some Terai regions.

Nepal's Ministry of Health issued warnings about increasing heatwave risks, advising vulnerable groups such as children, elderly, and chronically ill to take precautions and avoid outdoor activities during peak heat periods.

Terai regions in Nepal began experiencing extreme heat with temperatures reaching up to 40°C, while hilly and mountainous areas received light to moderate rain with thunderstorms and lightning.