Climate averages 1991–2020
Nepalgunj weather
by month.
See how the year changes. May has the highest average daily maximum; November has the lowest average monthly rainfall.
Pleasant-weather months by our simple rule: JanuaryFebruaryNovemberDecember
Long-term climate patterns, not a forecast for a particular trip.
Across the year Nepalgunj averages a daytime high of 29.1°C and a nighttime low of 18.3°C, with about 1,130 mm of rain on roughly 105 days. May is the warmest month (average high 36.7°C) and January the coolest (20.2°C). July is the wettest month with 355 mm; November is the driest with 3.8 mm.
Months with pleasant weather by a simple rule (average high between 18°C and 29°C, average low of at least 5°C and at most 8 rain days): January, February, November and December. This looks at temperature and rain only, not humidity, wind, sea temperature or crowds.
The annual picture
A year in Nepalgunj
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Nepalgunj climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 20.2°C8.2°C | 8.2°C | 27 | 3.0 | 10.611 h |
| February | 23.8°C10.6°C | 10.6°C | 35 | 3.5 | 11.211 h |
| March | 29.6°C14.5°C | 14.5°C | 21 | 2.4 | 12.012 h |
| April | 35.3°C19.5°C | 19.5°C | 16 | 3.2 | 12.813 h |
| May | 36.7°C23.6°C | 23.6°C | 32 | 6.6 | 13.514 h |
| June | 34.8°C25.8°C | 25.8°C | 175 | 14.7 | 13.914 h |
| July | 30.7°C25.4°C | 25.4°C | 355 | 25.2 | 13.714 h |
| August | 30.4°C25.1°C | 25.1°C | 268 | 24.8 | 13.113 h |
| September | 30.2°C23.8°C | 23.8°C | 154 | 17.2 | 12.312 h |
| October | 29.3°C19.0°C | 19.0°C | 29 | 2.9 | 11.512 h |
| November | 25.9°C14.0°C | 14.0°C | 3.8 | 0.5 | 10.811 h |
| December | 21.8°C9.9°C | 9.9°C | 12 | 0.9 | 10.410 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
Nearby cities
- BahraighIndia · 53 kmHigh 30.0°C · Low 19.5°C · 1,143 mm rain a year
- BirendranagarNepal · 61 kmHigh 26.2°C · Low 16.2°C · 1,959 mm rain a year
- LakhīmpurIndia · 83 kmHigh 29.9°C · Low 19.3°C · 1,196 mm rain a year
- BalrāmpurIndia · 89 kmHigh 29.9°C · Low 19.6°C · 1,214 mm rain a year
- SītāpurIndia · 107 kmHigh 30.2°C · Low 19.4°C · 1,026 mm rain a year
- Gondā CityIndia · 107 kmHigh 30.2°C · Low 19.7°C · 1,204 mm rain a year
- Dhangaḍhi̇̄Nepal · 124 kmHigh 28.3°C · Low 17.4°C · 1,515 mm rain a year
- Nawābganj, IndiaIndia · 131 kmHigh 30.5°C · Low 19.7°C · 1,028 mm rain a year
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsWhat do the high and low temperatures mean?
We average the daily maximum and daily minimum for each calendar month over 1991–2020. They are not record extremes, a forecast range or temperatures at a fixed time of day.
How is a rain day counted?
A local calendar day (standard time, UTC+5:45, no daylight saving) with at least 1 mm of total precipitation counts as one rain day. We count these for each year and month, then average across 30 years. The average does not predict which days will be wet.
Where do the numbers come from?
ERA5-Land (temperature) and ERA5 (precipitation) reanalysis from the Copernicus Climate Change Service, read from the Open-Meteo open-data archive. Temperature comes from the 0.1° model cell at 28.10°, 81.60° (6 km from the city centre), adjusted down by 0.1°C for the difference between the city's elevation (150 m) and the cell's (130 m). Rain comes from the 0.25° cell at 28.00°, 81.50°. These are model estimates, not weather-station readings; coast, hills and city streets can differ.
Does this page show sunshine, humidity or sea temperature?
No. The data used here contain air temperature and precipitation only. Daylight hours are calculated from the city's latitude (sunrise to sunset), not measured sunshine.