April is one of the warmer months of the year in Sirmaur, with average highs near 37.8°C and lows around 12.4°C (mean 25.1°C). It is one of the drier months, averaging 34 mm of rainfall and 31% relative humidity across the period.
April is one of the warmer months of the year in Sirmaur. Across 45 years of records, the warmest April in Sirmaur was 2022 — when the month averaged 28.1°C — while the coldest was 1982 at 21.1°C. Typical April days reach 37.8°C with nights near 12.4°C. The long-term trend is warming, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.6°C | 24.6°C | 25.8°C | 25.5°C | 24.7°C | +0.1°C |
| Avg High | 37.5°C | 37.9°C | 38.8°C | 37.5°C | 36.5°C | -1°C |
| Avg Low | 11.7°C | 11.2°C | 12.7°C | 13.6°C | 12.8°C | +1.1°C |
| Avg Rain | 51 mm | 23 mm | 28 mm | 30 mm | 40 mm | -11 mm |
April temperatures in Sirmaur have risen by about 0.7°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 8.9°C (1996) to a record high of 41.3°C (1999).
Rainfall in April is one of the drier months, averaging 34 mm, with a wettest year of 291 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
One of the best times to visit Sirmaur
April is one of the best times to visit Sirmaur. Expect days averaging 37.8°C and nights around 12.4°C (mean 25.1°C) — warmer than Sirmaur's yearly average — with moderate rainfall (34 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 37.7°C | 12.4°C | 25.1°C | 32 mm | 35% | 2 m/s | 6.7 |
| 2024 | 34.9°C | 13.9°C | 24.4°C | 16 mm | 37% | 2.2 m/s | 6.4 |
| 2023 | 35.9°C | 11.2°C | 23.5°C | 60 mm | 46% | 1.9 m/s | 6.4 |
| 2022 🔥 | 40.0°C | 16.2°C | 28.1°C | 3 mm | 28% | 2.3 m/s | 7 |
| 2021 | 37.1°C | 12.1°C | 24.6°C | 63 mm | 29% | 2.7 m/s | 6.5 |
| 2020 | 33.4°C | 11.1°C | 22.3°C | 65 mm | 51% | 1.9 m/s | 6.3 |
| 2019 | 37.8°C | 13.2°C | 25.5°C | 32 mm | 41% | 2.2 m/s | 6.6 |
| 2018 | 38.0°C | 14.0°C | 26.0°C | 43 mm | 34% | 2.1 m/s | 6.4 |
| 2017 | 40.2°C | 13.0°C | 26.6°C | 53 mm | 30% | 2.5 m/s | 6.8 |
| 2016 | 39.1°C | 16.5°C | 27.8°C | 15 mm | 29% | 2.5 m/s | 6.7 |
| 2015 | 35.3°C | 12.7°C | 24.0°C | 56 mm | 50% | 2 m/s | 6.2 |
| 2014 | 37.7°C | 12.4°C | 25.0°C | 26 mm | 41% | 2.3 m/s | 6.7 |
| 2013 | 34.8°C | 13.6°C | 24.2°C | 3 mm | 37% | 2.3 m/s | 6.6 |
| 2012 | 34.9°C | 14.4°C | 24.7°C | 44 mm | 36% | 2 m/s | 6.2 |
| 2011 | 36.9°C | 10.3°C | 23.6°C | 22 mm | 36% | 1.9 m/s | 6.3 |
| 2010 | 40.0°C | 15.7°C | 27.9°C | 2 mm | 17% | 2.5 m/s | 6.9 |
| 2009 | 39.3°C | 11.8°C | 25.5°C | 32 mm | 30% | 2.7 m/s | 7.1 |
| 2008 | 39.1°C | 11.2°C | 25.2°C | 57 mm | 33% | 2.4 m/s | 6.6 |
| 2007 | 37.9°C | 14.3°C | 26.1°C | 13 mm | 33% | 2.3 m/s | 7.1 |
| 2006 | 39.0°C | 11.6°C | 25.3°C | 10 mm | 29% | 2.2 m/s | 6.7 |
| 2005 | 36.5°C | 9.6°C | 23.0°C | 7 mm | 30% | 2.2 m/s | 6.8 |
| 2004 | 38.7°C | 16.1°C | 27.4°C | 48 mm | 23% | 2.3 m/s | 6.2 |
| 2003 | 38.5°C | 13.8°C | 26.2°C | 15 mm | 27% | 2.5 m/s | 6.9 |
| 2002 | 39.8°C | 11.9°C | 25.9°C | 40 mm | 26% | 2.2 m/s | 6.7 |
| 2001 | 39.2°C | 13.3°C | 26.3°C | 54 mm | 31% | 2.3 m/s | 6.5 |
| 2000 | 40.4°C | 13.1°C | 26.7°C | 5 mm | 14% | 2.5 m/s | 7.2 |
| 1999 | 41.3°C | 14.2°C | 27.7°C | 0 mm | 13% | 2.6 m/s | 7.2 |
| 1998 | 37.4°C | 13.8°C | 25.6°C | 33 mm | 33% | 2.2 m/s | 6.6 |
| 1997 | 36.2°C | 10.0°C | 23.1°C | 80 mm | 41% | 2.1 m/s | 6.2 |
| 1996 | 38.5°C | 8.9°C | 23.7°C | 12 mm | 28% | 2.3 m/s | 6.6 |
| 1995 | 36.6°C | 10.0°C | 23.3°C | 15 mm | 32% | 2.3 m/s | 6.3 |
| 1994 | 35.4°C | 12.0°C | 23.7°C | 52 mm | 33% | 2 m/s | 6.1 |
| 1993 | 39.8°C | 9.3°C | 24.5°C | 10 mm | 33% | 2.4 m/s | 6.8 |
| 1992 | 37.5°C | 13.3°C | 25.4°C | 0 mm | 24% | 2.3 m/s | 6.4 |
| 1991 | 38.5°C | 11.1°C | 24.8°C | 30 mm | 24% | 2.6 m/s | 6.4 |
| 1990 | 37.8°C | 9.8°C | 23.8°C | 3 mm | 30% | 2.7 m/s | 6.6 |
| 1989 | 36.4°C | 9.6°C | 23.0°C | 2 mm | 23% | 2.7 m/s | 6.7 |
| 1988 | 39.7°C | 10.3°C | 25.0°C | 2 mm | 21% | 2.4 m/s | 6.6 |
| 1987 | 38.9°C | 13.7°C | 26.3°C | 2 mm | 20% | 2.6 m/s | 6.4 |
| 1986 | 38.4°C | 11.8°C | 25.1°C | 8 mm | 29% | 2.4 m/s | 6.7 |
| 1985 | 39.4°C | 13.4°C | 26.4°C | 15 mm | 26% | 2.4 m/s | 6.3 |
| 1984 | 39.0°C | 13.8°C | 26.4°C | 40 mm | 25% | 2.3 m/s | 6.3 |
| 1983 | 36.6°C | 10.9°C | 23.8°C | 92 mm | 39% | 2.3 m/s | — |
| 1982 ❄️ 🌧️ | 31.8°C | 10.3°C | 21.1°C | 291 mm | 53% | 1.9 m/s | — |
| 1981 | 37.7°C | 11.3°C | 24.5°C | 9 mm | 29% | 2.6 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 37.8°C with lows near 12.4°C (mean 25.1°C), based on 45 years of NASA POWER data.
April averages 34 mm of rainfall in Sirmaur, one of the drier months. The wettest on record was 291 mm in 1982.
The hottest April reached 41.3°C in 1999. The coldest dipped to 8.9°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.7°C. Daytime highs moved from 36.9°C to 37.1°C and overnight lows from 11.9°C to 13.2°C over the same span.
April is one of the warmer months of the year in Sirmaur and one of the drier months, so plan for around 37.8°C daytime highs and 12.4°C at night.
Not quite — April is the 8th coolest month in Sirmaur, averaging 25.1°C.
For April in Sirmaur, pack light, breathable clothing and sun protection, with typical highs of 37.8°C and lows of 12.4°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 2.7 m/s (1989).
The wettest April on record was 1982 with 291 mm. On average, April sees 34 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 Sirmaur 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.
