Climate averages 1991–2020
Janakpur weather
in May.
A very hot, moderately 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 very hot month in Janakpur: daytime highs average 35.2°C and nights cool to about 25.0°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 87 mm of rain on roughly 11 days, which makes May a moderately 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 Madhubani (44 km away). In May its highs average 35.4°C, about as warm as Janakpur, with 79 mm of rain.
Among the 16 cities listed in Nepal, Janakpur ranks 5th of 16 for the warmest May highs and 6th of 16 for the driest May (rainfall, lowest first). The mean May high of those 16 cities is 32.7°C; Janakpur is 2.6°C warmer than that mean.
From May to June, average highs fall by 2.0°C to 33.2°C, and monthly rainfall rises from 87 mm to 229 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
Janakpur climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.8°C10.4°C | 10.4°C | 13 | 1.8 | 10.711 h |
| February | 25.5°C13.1°C | 13.1°C | 13 | 2.0 | 11.211 h |
| March | 31.6°C17.9°C | 17.9°C | 11 | 2.0 | 12.012 h |
| April | 35.4°C22.6°C | 22.6°C | 27 | 5.0 | 12.813 h |
| May, selected | 35.2°C25.0°C | 25.0°C | 87 | 11.4 | 13.413 h |
| June | 33.2°C25.8°C | 25.8°C | 229 | 20.6 | 13.814 h |
| July | 30.9°C25.7°C | 25.7°C | 397 | 26.9 | 13.614 h |
| August | 30.9°C25.6°C | 25.6°C | 270 | 26.2 | 13.113 h |
| September | 30.4°C24.5°C | 24.5°C | 224 | 21.3 | 12.312 h |
| October | 29.7°C21.0°C | 21.0°C | 53 | 5.5 | 11.512 h |
| November | 27.3°C16.2°C | 16.2°C | 2.6 | 0.4 | 10.911 h |
| December | 23.6°C12.2°C | 12.2°C | 5.0 | 0.7 | 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
- Madhubani in MayIndia · 44 kmHigh 35.4°C · Low 25.1°C · 79 mm rain
- Lahān in MayNepal · 55 kmHigh 33.6°C · Low 24.0°C · 97 mm rain
- Darbhanga in MayIndia · 64 kmHigh 36.1°C · Low 25.2°C · 79 mm rain
- Triyuga in MayNepal · 77 kmHigh 32.7°C · Low 23.6°C · 101 mm rain
- Benipur in MayIndia · 78 kmHigh 36.0°C · Low 25.2°C · 82 mm rain
- Muzaffarpur in MayIndia · 86 kmHigh 36.9°C · Low 25.7°C · 50 mm rain
- Mothīhāri in MayIndia · 101 kmHigh 36.6°C · Low 25.7°C · 84 mm rain
- Birgañj in MayNepal · 109 kmHigh 35.6°C · Low 24.9°C · 76 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 Janakpur) is explained once on the Janakpur year overview and on the Sources, method and limits page.