Biratnagar in Summer
In summer (June, July and August), Biratnagar sees average daytime highs around 32°C and overnight lows near 26°C, with 1064 mm of rain over about 82 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 7% of the time across summer, and the air most often feels miserable.
Summer is Biratnagar's weakest season of the year to visit on our travel score. For the whole year in context, see Biratnagar's year-round climate.
- Avg daytime high
- 32°C
- 2nd-warmest season
- Avg overnight low
- 26°C
- Rainfall
- 1064 mm
- 82 wet days
- Avg wind
- 10 km/h
- Travel score
- 2.2
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Biratnagar in Summer
Across summer, daytime highs hold fairly steady around 32°C.
A typical summer day in Biratnagar reaches about 32°C and drops to 26°C overnight. The warmest of the three months is June, the coolest June.
How summer really feels in Biratnagar
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.
Biratnagar 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 | 24° / 11° | 10 | 1.4 | 10.5 | 9.0 |
| Feb | 27° / 14° | 12 | 1.7 | 11.1 | 8.3 |
| Mar | 32° / 19° | 12 | 2.4 | 11.8 | 4.9 |
| Apr | 35° / 23° | 35 | 6.2 | 12.6 | 2.7 |
| May | 35° / 25° | 118 | 14.9 | 13.3 | 2.5 |
| Jun | 33° / 26° | 306 | 24.4 | 13.6 | 2.3 |
| Jul | 32° / 26° | 412 | 29.4 | 13.5 | 2.2 |
| Aug | 32° / 26° | 346 | 28.4 | 12.9 | 2.2 |
| Sep | 32° / 26° | 278 | 23.2 | 12.2 | 2.9 |
| Oct | 31° / 22° | 77 | 6.2 | 11.4 | 5.2 |
| Nov | 29° / 17° | 4 | 0.6 | 10.7 | 7.5 |
| Dec | 25° / 13° | 4 | 0.5 | 10.4 | 9.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 7% of the time across summer.
Chance of precipitation in Summer
Biratnagar gets around 1064 mm of rain over 82 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 10 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 30 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 4.0 kWh/m².
Hazard calendar for Biratnagar
In summer, Biratnagar overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Biratnagar's monsoon runs June–September, when most of the year's rain falls.
Is summer a good time to visit Biratnagar?
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 Biratnagar.
What to pack for Biratnagar in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Biratnagar sees daytime highs around 32°C and nights near 26°C. Pack light clothes and rain gear. About 82 days see rain.
UV index in Biratnagar 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 Biratnagar peaks around July 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 20 at about 4 (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 | 7 | 8 | 7 | 11 | 9 | 10 | 6 | 3 | 4 |
| Level | Moderate | Moderate | Very high | High | Very high | Very high | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 4 | Moderate |
| Mar | 8 | Very high |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 7 | Very high |
| Jul | 11 | Extreme |
| Aug | 9 | Very high |
| Sep | 10 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 4 | Moderate |
Air quality in Biratnagar 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 Biratnagar is worst in January — around 243 µg/m³ PM2.5 (very unhealthy), about 5.3× the cleanest month (July, 46 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) | 243 | 196 | 138 | 97 | 75 | 62 | 46 | 58 | 73 | 124 | 191 | 231 |
| Level | Very unhealthy | Very unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Unhealthy | Unhealthy | Unhealthy | Very unhealthy | Very unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 243 | Very unhealthy |
| Feb | 196 | Very unhealthy |
| Mar | 138 | Unhealthy |
| Apr | 97 | Unhealthy |
| May | 75 | Unhealthy |
| Jun | 62 | Unhealthy |
| Jul | 46 | Poor |
| Aug | 58 | Unhealthy |
| Sep | 73 | Unhealthy |
| Oct | 124 | Unhealthy |
| Nov | 191 | Very unhealthy |
| Dec | 231 | Very unhealthy |
Where is Biratnagar?
Biratnagar sits at 26.5°N, 87.3°E, 74 m above sea level, in Nepal. The nearest listed city is Inaruwa, 21 km away.
Topography around Biratnagar
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Biratnagar.
Within 3 km, the terrain around Biratnagar has only modest variations in elevation — a maximum elevation change of 16 m around an average of 71 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 47 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,727 m.
The land around Biratnagar is covered by cropland (44%) and artificial surfaces (43%) within 3 km, cropland (75%) within 16 km, and cropland (59%) and trees (35%) 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 Biratnagar (26.455°, 87.2701°, elevation 74 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.