Climate averages 1991–2020
Dharān weather
in May.
A hot, wet month: the 2nd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Dharān: daytime highs average 29.9°C and nights cool to about 21.8°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 127 mm of rain on roughly 18 days, which makes May a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 27 min on an average May day.
The nearest other city in this atlas is Inaruwa (27 km away). In May its highs average 32.4°C, 2.5°C warmer than Dharān, with 118 mm of rain.
Among the 16 cities listed in Nepal, Dharān ranks 14th of 16 for the warmest May highs and joint 11th of 16 for the driest May (rainfall, lowest first). The mean May high of those 16 cities is 32.7°C; Dharān is 2.8°C cooler than that mean.
From May to June, average highs fall by 0.8°C to 29.1°C, and monthly rainfall rises from 127 mm to 319 mm.
The annual picture
May in context
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
Dharān climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 19.9°C9.6°C | 9.6°C | 9.5 | 1.9 | 10.711 h |
| February | 22.4°C11.7°C | 11.7°C | 13 | 2.5 | 11.211 h |
| March | 27.5°C14.8°C | 14.8°C | 15 | 3.3 | 12.012 h |
| April | 30.4°C18.5°C | 18.5°C | 44 | 8.5 | 12.813 h |
| May, selected | 29.9°C21.8°C | 21.8°C | 127 | 18.4 | 13.413 h |
| June | 29.1°C23.8°C | 23.8°C | 319 | 26.6 | 13.814 h |
| July | 28.4°C24.2°C | 24.2°C | 480 | 29.8 | 13.714 h |
| August | 28.6°C24.1°C | 24.1°C | 371 | 29.7 | 13.113 h |
| September | 28.0°C23.0°C | 23.0°C | 276 | 24.5 | 12.312 h |
| October | 27.1°C19.1°C | 19.1°C | 73 | 8.1 | 11.512 h |
| November | 24.4°C14.6°C | 14.6°C | 7.4 | 1.1 | 10.911 h |
| December | 21.4°C11.0°C | 11.0°C | 4.6 | 1.0 | 10.510 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
May in nearby cities
- Inaruwa in MayNepal · 27 kmHigh 32.4°C · Low 23.7°C · 118 mm rain
- Biratnagar in MayNepal · 40 kmHigh 32.8°C · Low 24.2°C · 118 mm rain
- Triyuga in MayNepal · 58 kmHigh 32.7°C · Low 23.6°C · 101 mm rain
- Arāria in MayIndia · 78 kmHigh 32.7°C · Low 24.0°C · 208 mm rain
- Lahān in MayNepal · 80 kmHigh 33.6°C · Low 24.0°C · 97 mm rain
- Dārjiling in MayIndia · 101 kmHigh 19.7°C · Low 12.3°C · 377 mm rain
- Kishanganj in MayIndia · 104 kmHigh 31.8°C · Low 23.7°C · 215 mm rain
- Siliguri in MayIndia · 115 kmHigh 29.8°C · Low 22.1°C · 231 mm rain
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 limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Dharān) is explained once on the Dharān year overview and on the Sources, method and limits page.