Nepalgunj in Summer
In summer (June, July and August), Nepalgunj sees average daytime highs around 34°C and overnight lows near 27°C, with 799 mm of rain over about 64 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 38°C in early June to 33°C by late August. The sky is clear or mostly clear about 22% of the time across summer, and the air most often feels miserable.
Summer is Nepalgunj's weakest season of the year to visit on our travel score. For the whole year in context, see Nepalgunj's year-round climate.
- Avg daytime high
- 34°C
- 2nd-warmest season
- Avg overnight low
- 27°C
- Rainfall
- 799 mm
- 64 wet days
- Avg wind
- 8 km/h
- Travel score
- 2.1
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Nepalgunj in Summer
Over the season highs ease from about 38°C in early June to 33°C by late August.
A typical summer day in Nepalgunj reaches about 34°C and drops to 27°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Nepalgunj
Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Nepalgunj weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 21° / 9° | 28 | 3 | 10.4 | 8.1 |
| Feb | 25° / 12° | 35 | 3.5 | 11 | 8.4 |
| Mar | 31° / 16° | 22 | 2.5 | 11.8 | 6.0 |
| Apr | 36° / 21° | 16 | 3.2 | 12.7 | 2.4 |
| May | 38° / 25° | 32 | 6.7 | 13.4 | 1.4 |
| Jun | 36° / 27° | 175 | 14.4 | 13.7 | 1.7 |
| Jul | 33° / 27° | 356 | 25.2 | 13.6 | 2.2 |
| Aug | 33° / 27° | 268 | 24.7 | 13 | 2.4 |
| Sep | 32° / 25° | 154 | 17.3 | 12.2 | 3.2 |
| Oct | 31° / 21° | 29 | 3 | 11.3 | 5.6 |
| Nov | 28° / 15° | 4 | 0.5 | 10.6 | 8.3 |
| Dec | 23° / 10° | 13 | 0.9 | 10.3 | 9.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 22% of the time across summer.
Chance of precipitation in Summer
Nepalgunj gets around 799 mm of rain over 64 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 8 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 36 min in early June to 12 h 36 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 4.8 kWh/m².
Hazard calendar for Nepalgunj
In summer, Nepalgunj overlaps its monsoon and dust season. The full year is below, with each hazard's peak months called out.
Nepalgunj's monsoon runs June–August, when most of the year's rain falls.
Nepalgunj sees seasonal dust haze (May–June), heaviest in June.
Is summer a good time to visit Nepalgunj?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Nepalgunj.
What to pack for Nepalgunj in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Nepalgunj sees daytime highs around 34°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 64 days see rain.
UV index in Nepalgunj in Summer
Clear-sky midday UV across summer averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Nepalgunj peaks around August 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 4 | 4 | 8 | 8 | 9 | 9 | 9 | 10 | 8 | 6 | 4 | 3 |
| Level | Moderate | Moderate | Very high | Very high | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 4 | Moderate |
| Mar | 8 | Very high |
| Apr | 8 | Very high |
| May | 9 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Nepalgunj in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Nepalgunj is worst in January — around 184 µg/m³ PM2.5 (very unhealthy), about 3.7× the cleanest month (July, 49 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 184 | 140 | 106 | 90 | 74 | 73 | 49 | 56 | 65 | 108 | 155 | 177 |
| Level | Very unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Unhealthy | Unhealthy | Unhealthy | Very unhealthy | Very unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 184 | Very unhealthy |
| Feb | 140 | Unhealthy |
| Mar | 106 | Unhealthy |
| Apr | 90 | Unhealthy |
| May | 74 | Unhealthy |
| Jun | 73 | Unhealthy |
| Jul | 49 | Poor |
| Aug | 56 | Unhealthy |
| Sep | 65 | Unhealthy |
| Oct | 108 | Unhealthy |
| Nov | 155 | Very unhealthy |
| Dec | 177 | Very unhealthy |
Where is Nepalgunj?
Nepalgunj sits at 28.1°N, 81.6°E, 150 m above sea level, in Nepal. The nearest listed city is Gulariyā, 32 km away.
Topography around Nepalgunj
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nepalgunj.
Within 3 km, the terrain around Nepalgunj has only modest variations in elevation — a maximum elevation change of 14 m around an average of 149 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 84 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,664 m.
The land around Nepalgunj is covered by cropland (61%) and artificial surfaces (22%) within 3 km, cropland (62%) and trees (30%) within 16 km, and cropland (48%) and trees (46%) within 80 km.
Nepal travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / D / M
- 230 V · 50 Hz
- Prices
- ≈ 24% of US
- price level, 2025
- GDP per capita
- $1,536
- 2025
- Happiness
- 5.1 / 10
- World Happiness, 2025
- Safe drinking water
- 16%
- of population, 2024
- Homicide rate
- 2.1
- per 100k, 2020
- Road deaths
- 16.3
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Moderate
- EF EPI 514
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Nepalgunj (28.05°, 81.6167°, elevation 150 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.