Bettiah Weather in May
Average highs run from 40°C on May 1 to 41°C on May 31, and lows from 25°C to 28°C. Normal precipitation for the month is 65 mm over about 12 wet days.
May day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
May at a glance
- Average high
- 41°C
- Average low
- 27°C
- Precipitation
- 65 mm
- Reanalysis high
- 48°CMay 30, 1998
- Reanalysis low
- 20°CMay 3, 2004
- Daylight
- 13 h 11 min to 13 h 42 min
- Cloud cover
- 49%
- Humidity
- 33%
- Dew point
- 13°C
- Wind
- 11.5 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 40°C | 25°C | 45°C 1991 | 21°C 2005 | 27% |
| May 2 | 40°C | 25°C | 46°C 1995 | 22°C 2017 | 27% |
| May 3 | 40°C | 25°C | 46°C 1999 | 20°C 2004 | 28% |
| May 4 | 40°C | 25°C | 45°C 1993 | 21°C 2004 | 28% |
| May 5 | 40°C | 26°C | 47°C 1993 | 21°C 2003 | 29% |
| May 6 | 40°C | 26°C | 45°C 1993 | 21°C 2019 | 30% |
| May 7 | 40°C | 26°C | 46°C 1991 | 22°C 2019 | 30% |
| May 8 | 41°C | 26°C | 45°C 1991 | 21°C 2020 | 30% |
| May 9 | 41°C | 26°C | 46°C 1991 | 22°C 2020 | 30% |
| May 10 | 41°C | 26°C | 46°C 1991 | 23°C 2005 | 31% |
| May 11 | 41°C | 26°C | 45°C 1996 | 21°C 1997 | 32% |
| May 12 | 41°C | 26°C | 44°C 2010 | 23°C 1998 | 33% |
| May 13 | 41°C | 26°C | 44°C 1996 | 23°C 1994 | 33% |
| May 14 | 41°C | 27°C | 45°C 1992 | 24°C 1993 | 34% |
| May 15 | 41°C | 27°C | 44°C 2010 | 22°C 1999 | 32% |
| May 16 | 41°C | 27°C | 45°C 1992 | 24°C 2009 | 33% |
| May 17 | 41°C | 27°C | 45°C 2012 | 24°C 2020 | 35% |
| May 18 | 41°C | 27°C | 45°C 1995 | 23°C 2013 | 35% |
| May 19 | 41°C | 27°C | 45°C 1995 | 23°C 2013 | 37% |
| May 20 | 41°C | 27°C | 44°C 1992 | 24°C 2011 | 38% |
| May 21 | 41°C | 27°C | 44°C 2014 | 23°C 2013 | 40% |
| May 22 | 41°C | 27°C | 46°C 1998 | 24°C 2020 | 40% |
| May 23 | 41°C | 27°C | 46°C 2012 | 25°C 2020 | 42% |
| May 24 | 41°C | 27°C | 45°C 1991 | 24°C 2013 | 43% |
| May 25 | 41°C | 27°C | 46°C 1995 | 24°C 2013 | 44% |
| May 26 | 41°C | 27°C | 46°C 1996 | 24°C 1992 | 42% |
| May 27 | 41°C | 27°C | 45°C 1995 | 23°C 1992 | 42% |
| May 28 | 41°C | 27°C | 46°C 1996 | 24°C 2002 | 42% |
| May 29 | 41°C | 28°C | 46°C 1996 | 25°C 2002 | 43% |
| May 30 | 41°C | 28°C | 48°C 1998 | 25°C 1992 | 45% |
| May 31 | 41°C | 28°C | 47°C 1998 | 24°C 2013 | 46% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+5:30).
- May 1
- sunrise 5:14 AM, sunset 6:25 PM
- May 31
- sunrise 4:59 AM, sunset 6:41 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.