April is one of the warmer months of the year in Supaul, with average highs near 39.2°C and lows around 22.8°C (mean 31°C). It is one of the drier months, averaging 33 mm of rainfall and 31% relative humidity across the period.
April is one of the warmer months of the year in Supaul. Across 45 years of records, the warmest April in Supaul was 2016 — when the month averaged 34°C — while the coldest was 2020 at 28.6°C. Typical April days reach 39.2°C with nights near 22.8°C. The long-term April temperature trend is broadly flat.
April is one of the drier months in Supaul, averaging 33 mm of rainfall. The wettest April on record was 1982 with 94 mm, while the driest was 1995 at 0 mm.
Relative humidity in Supaul during April averages 31%. The most humid April was 2020 at 49%, and the least humid was 1989 at 13%.
April receives about 6.3 kWh/m²/day of solar energy in Supaul. The sunniest April was 1989 at 7.2 kWh/m²/day, and the cloudiest was 1997 at 5.4.
Average wind speed in Supaul during April is 2.3 m/s. The windiest April was 2016 at 3.2 m/s, while the calmest were 2005 and 2011 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 30.9°C | 31.1°C | 31.1°C | 31.2°C | 30.5°C | -0.4°C |
| Avg High | 39.4°C | 39.9°C | 39.1°C | 38.8°C | 38.5°C | -0.9°C |
| Avg Low | 22.4°C | 22.5°C | 23.1°C | 23.5°C | 22.5°C | +0.1°C |
| Avg Rain | 34 mm | 14 mm | 32 mm | 46 mm | 41 mm | +7 mm |
April temperatures in Supaul have stayed relatively stable across the record.
April has ranged from a record low of 15.1°C (1989) to a record high of 45.5°C (2024).
Rainfall in April is one of the drier months, averaging 33 mm, with a wettest year of 94 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Supaul
April is a good time to visit Supaul, with days averaging 39.2°C and nights around 22.8°C (mean 31°C, warmer than Supaul's yearly average) and moderate rainfall. November and February are marginally more temperate, but April still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 37.3°C | 30.0°C | 22.7°C | 43.4°C | 18.5°C | 67 mm | 43% | 2.3 m/s | 5.5 |
| 2024 | 40.4°C | 31.7°C | 22.9°C | 45.5°C | 18.7°C | 11 mm | 28% | 3.1 m/s | 6.5 |
| 2023 | 38.7°C | 30.7°C | 22.6°C | 44.8°C | 18.0°C | 30 mm | 32% | 2.1 m/s | 6 |
| 2022 | 38.9°C | 30.9°C | 23.0°C | 42.3°C | 20.0°C | 44 mm | 45% | 2.4 m/s | 5.7 |
| 2021 | 39.8°C | 31.2°C | 22.5°C | 42.1°C | 18.9°C | 31 mm | 25% | 2 m/s | 6.2 |
| 2020 ❄️ | 35.8°C | 28.6°C | 21.4°C | 39.3°C | 17.1°C | 65 mm | 49% | 2.1 m/s | 5.9 |
| 2019 | 38.1°C | 30.7°C | 23.3°C | 41.9°C | 20.2°C | 71 mm | 44% | 2.2 m/s | 5.6 |
| 2018 | 36.6°C | 29.8°C | 23.0°C | 40.8°C | 20.7°C | 83 mm | 47% | 2.2 m/s | 5.6 |
| 2017 | 38.9°C | 31.3°C | 23.7°C | 42.1°C | 18.0°C | 56 mm | 39% | 2.3 m/s | 5.8 |
| 2016 🔥 | 42.5°C | 34.0°C | 25.4°C | 45.1°C | 21.1°C | 12 mm | 22% | 3.2 m/s | 6.5 |
| 2015 | 36.2°C | 29.5°C | 22.8°C | 40.6°C | 19.8°C | 68 mm | 46% | 2 m/s | 5.9 |
| 2014 | 40.7°C | 32.3°C | 24.0°C | 43.6°C | 19.0°C | 2 mm | 20% | 2.4 m/s | 6.9 |
| 2013 | 37.9°C | 30.3°C | 22.8°C | 43.1°C | 18.8°C | 65 mm | 34% | 2.5 m/s | 6.2 |
| 2012 | 39.3°C | 31.5°C | 23.6°C | 43.0°C | 20.9°C | 29 mm | 32% | 2.6 m/s | 6.5 |
| 2011 | 36.7°C | 29.3°C | 22.0°C | 39.2°C | 18.3°C | 62 mm | 38% | 1.8 m/s | 6.1 |
| 2010 | 41.4°C | 33.1°C | 24.8°C | 44.3°C | 21.0°C | 11 mm | 25% | 2.3 m/s | 6.4 |
| 2009 | 39.5°C | 31.1°C | 22.7°C | 42.2°C | 19.3°C | 14 mm | 25% | 2.2 m/s | 6.6 |
| 2008 | 38.6°C | 30.6°C | 22.6°C | 42.6°C | 18.0°C | 25 mm | 34% | 1.9 m/s | 6.7 |
| 2007 | 39.0°C | 31.6°C | 24.1°C | 41.2°C | 19.4°C | 35 mm | 35% | 2 m/s | 6.2 |
| 2006 | 38.4°C | 30.8°C | 23.1°C | 42.8°C | 19.7°C | 27 mm | 33% | 2 m/s | 6 |
| 2005 | 39.1°C | 31.0°C | 22.8°C | 41.6°C | 16.6°C | 30 mm | 28% | 1.8 m/s | 6.4 |
| 2004 | 38.3°C | 31.1°C | 23.8°C | 44.1°C | 19.4°C | 64 mm | 40% | 2.3 m/s | 5.7 |
| 2003 | 40.3°C | 32.0°C | 23.7°C | 43.1°C | 19.9°C | 9 mm | 28% | 2.3 m/s | 6.5 |
| 2002 | 38.1°C | 30.5°C | 22.9°C | 42.1°C | 17.1°C | 51 mm | 42% | 2.7 m/s | 6 |
| 2001 | 40.0°C | 31.6°C | 23.3°C | 44.3°C | 20.0°C | 13 mm | 24% | 2.2 m/s | 6.6 |
| 2000 | 39.6°C | 30.9°C | 22.1°C | 42.9°C | 18.3°C | 54 mm | 31% | 2.4 m/s | 6.3 |
| 1999 | 41.9°C | 32.3°C | 22.8°C | 45.3°C | 18.9°C | 5 mm | 19% | 2.1 m/s | 6.3 |
| 1998 | 38.8°C | 30.8°C | 22.8°C | 42.4°C | 17.4°C | 34 mm | 35% | 2.4 m/s | 6.1 |
| 1997 | 36.4°C | 28.7°C | 21.1°C | 39.7°C | 17.7°C | 36 mm | 37% | 2.1 m/s | 5.4 |
| 1996 | 40.6°C | 31.8°C | 23.0°C | 44.2°C | 15.2°C | 6 mm | 18% | 2.5 m/s | 5.8 |
| 1995 | 40.9°C | 31.7°C | 22.6°C | 44.7°C | 17.3°C | 0 mm | 16% | 2.4 m/s | 6.8 |
| 1994 | 40.0°C | 31.4°C | 22.9°C | 42.3°C | 18.6°C | 10 mm | 22% | 2.3 m/s | 6.6 |
| 1993 | 38.6°C | 30.2°C | 21.9°C | 42.0°C | 18.0°C | 32 mm | 31% | 2.5 m/s | 5.9 |
| 1992 | 41.5°C | 32.3°C | 23.1°C | 44.3°C | 18.2°C | 11 mm | 18% | 3.1 m/s | 6.2 |
| 1991 | 40.4°C | 31.7°C | 22.9°C | 43.3°C | 19.5°C | 1 mm | 19% | 2.2 m/s | 6.5 |
| 1990 | 39.5°C | 30.5°C | 21.5°C | 44.1°C | 16.8°C | 10 mm | 24% | 2.5 m/s | 6.5 |
| 1989 | 41.0°C | 31.1°C | 21.2°C | 44.2°C | 15.1°C | 2 mm | 13% | 2.7 m/s | 7.2 |
| 1988 | 40.0°C | 31.4°C | 22.8°C | 43.5°C | 16.5°C | 31 mm | 28% | 2 m/s | 6 |
| 1987 | 39.2°C | 31.0°C | 22.7°C | 41.8°C | 20.1°C | 44 mm | 26% | 2.6 m/s | 6.6 |
| 1986 | 39.8°C | 31.5°C | 23.3°C | 43.4°C | 19.2°C | 31 mm | 25% | 2.2 m/s | 7.1 |
| 1985 | 40.8°C | 32.3°C | 23.8°C | 44.7°C | 20.3°C | 8 mm | 24% | 2.8 m/s | 7.1 |
| 1984 | 41.0°C | 32.6°C | 24.2°C | 44.3°C | 22.0°C | 19 mm | 22% | 2.2 m/s | 6.3 |
| 1983 | 37.8°C | 29.8°C | 21.7°C | 41.8°C | 18.2°C | 29 mm | 28% | 2.9 m/s | — |
| 1982 🌧️ | 37.6°C | 29.3°C | 21.0°C | 40.6°C | 17.6°C | 94 mm | 39% | 2.2 m/s | — |
| 1981 | 37.4°C | 29.3°C | 21.3°C | 40.7°C | 16.7°C | 53 mm | 40% | 2.3 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 39.2°C with lows near 22.8°C (mean 31°C), based on 45 years of NASA POWER data.
April averages 33 mm of rainfall in Supaul, one of the drier months. The wettest on record was 94 mm in 1982.
The hottest April reached 45.5°C in 2024. The coldest dipped to 15.1°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.2°C. Daytime highs moved from 38.9°C to 39°C and overnight lows from 22.4°C to 22.7°C over the same span.
April is one of the warmer months of the year in Supaul and one of the drier months, so plan for around 39.2°C daytime highs and 22.8°C at night.
Not quite — April is the 10th coolest month in Supaul, averaging 31°C.
For April in Supaul, pack light, breathable clothing and sun protection, with typical highs of 39.2°C and lows of 22.8°C.
Relative humidity in April averages 31% — relatively dry.
Average wind speed in April is 2.3 m/s. The windiest April on record averaged 3.2 m/s (2016).
The wettest April on record was 1982 with 94 mm. On average, April sees 33 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Supaul behaves each April, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for April specifically, along with year-by-year records and how the month has changed over the decades.
