December is one of the cooler months of the year in Giridih, with average highs near 23.5°C and lows around 10.3°C (mean 16.9°C). It is one of the drier months, averaging 9 mm of rainfall and 64% relative humidity across the period.
December is one of the cooler months of the year in Giridih. Across 45 years of records, the warmest December in Giridih was 1988 — when the month averaged 18.9°C — while the coldest was 2025 at 14.5°C. Typical December days reach 23.5°C with nights near 10.3°C. The long-term trend is cooling, about 0.3°C per decade.
December is one of the drier months in Giridih, averaging 9 mm of rainfall. The wettest December on record was 1986 with 52 mm, while the driest were 2016, 2022 and 2025, among others at 0 mm.
Relative humidity in Giridih during December averages 64%. The most humid December was 2025 at 82%, and the least humid was 1992 at 43%.
December receives about 3.6 kWh/m²/day of solar energy in Giridih. The sunniest Decembers were 1984 and 1988 at 4.3 kWh/m²/day, and the cloudiest were 2015 and 2019 at 2.9.
Average wind speed in Giridih during December is 1.5 m/s. The windiest December was 2012 at 2 m/s, while the calmest were 2008 and 2011 at 1.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.7°C | 16.7°C | 17.0°C | 16.6°C | 16.5°C | -1.2°C |
| Avg High | 24.6°C | 23.5°C | 23.5°C | 23.0°C | 22.5°C | -2.1°C |
| Avg Low | 10.7°C | 10.0°C | 10.4°C | 10.1°C | 10.4°C | -0.3°C |
| Avg Rain | 12 mm | 11 mm | 3 mm | 9 mm | 11 mm | -1 mm |
December temperatures in Giridih have fallen by about 0.9°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 3.3°C (2012) to a record high of 28.9°C (1988).
Rainfall in December is one of the drier months, averaging 9 mm, with a wettest year of 52 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.5°C per decade while lows fell 0.1°C per decade, narrowing the gap between day and night.
A good time to visit Giridih
December is a good time to visit Giridih, with days averaging 23.5°C and nights around 10.3°C (mean 16.9°C, cooler than Giridih's yearly average) and low rainfall. November and February are marginally more temperate, but December still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 ❄️ | 20.9°C | 14.5°C | 8.1°C | 23.2°C | 5.1°C | 0 mm | 82% | 1.5 m/s | — |
| 2024 | 23.0°C | 17.2°C | 11.3°C | 25.4°C | 5.9°C | 3 mm | 74% | 1.4 m/s | 3.3 |
| 2023 | 22.6°C | 17.0°C | 11.4°C | 27.2°C | 6.9°C | 48 mm | 75% | 1.4 m/s | 3.2 |
| 2022 | 23.5°C | 16.8°C | 10.1°C | 25.8°C | 7.0°C | 0 mm | 68% | 1.6 m/s | 3.4 |
| 2021 | 21.9°C | 16.5°C | 11.1°C | 25.2°C | 4.3°C | 17 mm | 81% | 1.5 m/s | 3.2 |
| 2020 | 23.3°C | 16.8°C | 10.3°C | 25.9°C | 5.3°C | 1 mm | 69% | 1.4 m/s | 3.1 |
| 2019 | 21.0°C | 15.3°C | 9.7°C | 24.8°C | 3.3°C | 13 mm | 81% | 1.6 m/s | 2.9 |
| 2018 | 22.6°C | 16.1°C | 9.6°C | 25.4°C | 4.2°C | 34 mm | 63% | 1.6 m/s | 3.2 |
| 2017 | 23.5°C | 17.4°C | 11.3°C | 25.9°C | 6.6°C | 2 mm | 69% | 1.4 m/s | 3.5 |
| 2016 | 23.4°C | 16.7°C | 9.9°C | 26.1°C | 7.4°C | 0 mm | 74% | 1.6 m/s | 3.4 |
| 2015 | 24.9°C | 18.5°C | 12.2°C | 28.9°C | 6.8°C | 3 mm | 60% | 1.3 m/s | 2.9 |
| 2014 | 22.8°C | 15.7°C | 8.6°C | 26.4°C | 4.6°C | 5 mm | 61% | 1.7 m/s | 3.4 |
| 2013 | 23.0°C | 16.8°C | 10.5°C | 24.6°C | 7.3°C | 0 mm | 74% | 1.4 m/s | 3.4 |
| 2012 | 22.1°C | 15.1°C | 8.1°C | 25.7°C | 3.3°C | 9 mm | 70% | 2 m/s | 3.5 |
| 2011 | 22.7°C | 16.5°C | 10.4°C | 25.5°C | 5.2°C | 0 mm | 70% | 1.1 m/s | 3.3 |
| 2010 | 24.2°C | 17.6°C | 10.9°C | 27.1°C | 6.1°C | 24 mm | 60% | 1.5 m/s | 3.4 |
| 2009 | 23.6°C | 17.3°C | 10.9°C | 25.9°C | 7.1°C | 4 mm | 64% | 1.3 m/s | 3.4 |
| 2008 | 23.8°C | 17.9°C | 12.0°C | 26.5°C | 8.1°C | 0 mm | 75% | 1.1 m/s | 3 |
| 2007 | 22.3°C | 15.7°C | 9.1°C | 24.6°C | 5.8°C | 0 mm | 71% | 1.5 m/s | 3.7 |
| 2006 | 23.3°C | 17.0°C | 10.6°C | 26.4°C | 7.5°C | 0 mm | 69% | 1.4 m/s | 3.6 |
| 2005 | 24.6°C | 17.4°C | 10.2°C | 26.7°C | 6.7°C | 15 mm | 56% | 1.5 m/s | 3.8 |
| 2004 | 23.4°C | 17.3°C | 11.2°C | 24.8°C | 5.5°C | 1 mm | 68% | 1.2 m/s | 3.4 |
| 2003 | 22.3°C | 16.4°C | 10.6°C | 25.1°C | 6.3°C | 12 mm | 74% | 1.3 m/s | 3.8 |
| 2002 | 23.9°C | 17.2°C | 10.5°C | 26.3°C | 7.4°C | 2 mm | 59% | 1.3 m/s | 3.7 |
| 2001 | 23.3°C | 16.5°C | 9.8°C | 25.0°C | 7.1°C | 0 mm | 60% | 1.3 m/s | 3.8 |
| 2000 | 24.6°C | 17.0°C | 9.3°C | 26.0°C | 7.4°C | 0 mm | 50% | 1.5 m/s | 4 |
| 1999 | 23.6°C | 17.0°C | 10.5°C | 24.4°C | 7.1°C | 0 mm | 65% | 1.3 m/s | 4 |
| 1998 | 22.9°C | 16.3°C | 9.6°C | 24.8°C | 5.7°C | 0 mm | 65% | 1.3 m/s | 3.9 |
| 1997 | 21.3°C | 16.0°C | 10.7°C | 25.7°C | 5.9°C | 34 mm | 80% | 1.5 m/s | 3.1 |
| 1996 | 24.1°C | 16.1°C | 8.1°C | 25.9°C | 5.0°C | 0 mm | 49% | 1.7 m/s | 3.7 |
| 1995 | 23.3°C | 16.8°C | 10.3°C | 26.0°C | 8.0°C | 27 mm | 67% | 1.5 m/s | 3.7 |
| 1994 | 23.4°C | 16.5°C | 9.5°C | 26.5°C | 4.8°C | 0 mm | 56% | 1.5 m/s | 4.2 |
| 1993 | 23.5°C | 16.4°C | 9.3°C | 25.3°C | 6.6°C | 0 mm | 57% | 1.3 m/s | 4.1 |
| 1992 | 26.1°C | 18.4°C | 10.7°C | 27.8°C | 7.6°C | 1 mm | 43% | 1.5 m/s | 4.1 |
| 1991 | 23.3°C | 16.9°C | 10.4°C | 25.8°C | 6.4°C | 49 mm | 63% | 1.4 m/s | 4 |
| 1990 | 23.5°C | 17.0°C | 10.6°C | 25.0°C | 6.1°C | 0 mm | 62% | 1.5 m/s | 4.2 |
| 1989 | 25.7°C | 18.2°C | 10.7°C | 28.2°C | 6.7°C | 19 mm | 47% | 1.6 m/s | 4.1 |
| 1988 🔥 | 26.0°C | 18.9°C | 11.9°C | 28.9°C | 7.5°C | 6 mm | 54% | 1.5 m/s | 4.3 |
| 1987 | 23.6°C | 16.8°C | 10.0°C | 25.6°C | 7.6°C | 3 mm | 68% | 1.5 m/s | 4.2 |
| 1986 🌧️ | 25.1°C | 18.5°C | 12.0°C | 28.0°C | 7.3°C | 52 mm | 59% | 1.4 m/s | 3.8 |
| 1985 | 23.4°C | 16.9°C | 10.4°C | 26.1°C | 6.1°C | 1 mm | 70% | 1.6 m/s | 4.2 |
| 1984 | 24.5°C | 16.9°C | 9.4°C | 27.8°C | 4.2°C | 0 mm | 54% | 1.8 m/s | 4.3 |
| 1983 | 25.4°C | 18.4°C | 11.3°C | 28.7°C | 6.2°C | 15 mm | 47% | 1.6 m/s | — |
| 1982 | 25.3°C | 18.0°C | 10.6°C | 27.7°C | 7.7°C | 0 mm | 52% | 1.9 m/s | — |
| 1981 | 22.8°C | 16.5°C | 10.2°C | 24.4°C | 6.6°C | 15 mm | 68% | 1.6 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 23.5°C with lows near 10.3°C (mean 16.9°C), based on 45 years of NASA POWER data.
December averages 9 mm of rainfall in Giridih, one of the drier months. The wettest on record was 52 mm in 1986.
The hottest December reached 28.9°C in 1988. The coldest dipped to 3.3°C in 2012.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have fallen by about 0.9°C. Daytime highs moved from 24.3°C to 22.4°C and overnight lows from 10.4°C to 10.4°C over the same span.
December is one of the cooler months of the year in Giridih and one of the drier months, so plan for around 23.5°C daytime highs and 10.3°C at night.
Not quite — December is the 2nd coolest month in Giridih, averaging 16.9°C.
For December in Giridih, pack light layers you can adjust through the day, with typical highs of 23.5°C and lows of 10.3°C.
Relative humidity in December averages 64% — moderately humid.
Average wind speed in December is 1.5 m/s. The windiest December on record averaged 2 m/s (2012).
The wettest December on record was 1986 with 52 mm. On average, December sees 9 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 Giridih behaves each December, 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 December specifically, along with year-by-year records and how the month has changed over the decades.
