December is one of the cooler months of the year in Diu, with average highs near 28.4°C and lows around 20.2°C (mean 24.3°C). It is one of the drier months, averaging 2 mm of rainfall and 61% relative humidity across the period.
December is one of the cooler months of the year in Diu. Across 45 years of records, the warmest December in Diu was 1987 — when the month averaged 26.2°C — while the coldest was 2021 at 22.5°C. Typical December days reach 28.4°C with nights near 20.2°C. The long-term December temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.2°C | 24.4°C | 24.7°C | 24.3°C | 23.9°C | -0.3°C |
| Avg High | 28.3°C | 28.2°C | 28.7°C | 28.8°C | 28.0°C | -0.3°C |
| Avg Low | 20.0°C | 20.5°C | 20.6°C | 19.8°C | 19.8°C | -0.2°C |
| Avg Rain | 1 mm | 0 mm | 1 mm | 2 mm | 7 mm | +7 mm |
December temperatures in Diu have stayed relatively stable across the record.
December has ranged from a record low of 17.9°C (2020) to a record high of 30°C (2011).
Rainfall in December is one of the drier months, averaging 2 mm, with a wettest year of 27 mm.
One of the best times to visit Diu
December is one of the best times to visit Diu. Expect days averaging 28.4°C and nights around 20.2°C (mean 24.3°C) — cooler than Diu's yearly average — with low rainfall (2 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 27.0°C | 21.3°C | 24.2°C | 0 mm | 70% | 4.7 m/s | — |
| 2024 | 27.7°C | 18.5°C | 23.1°C | 0 mm | 67% | 4.9 m/s | 4.2 |
| 2023 | 29.0°C | 22.2°C | 25.6°C | 0 mm | 68% | 4.6 m/s | 3.9 |
| 2022 | 28.9°C | 20.5°C | 24.7°C | 1 mm | 66% | 4.1 m/s | 4.4 |
| 2021 ❄️ | 26.4°C | 18.7°C | 22.5°C | 16 mm | 71% | 4.4 m/s | 4 |
| 2020 🌧️ | 28.7°C | 17.9°C | 23.3°C | 27 mm | 67% | 4.1 m/s | 4.3 |
| 2019 | 28.4°C | 18.0°C | 23.2°C | 3 mm | 72% | 5.3 m/s | 4 |
| 2018 | 28.9°C | 19.6°C | 24.2°C | 0 mm | 56% | 4.1 m/s | 4.4 |
| 2017 | 27.4°C | 19.8°C | 23.6°C | 16 mm | 66% | 4.6 m/s | 3.8 |
| 2016 | 28.7°C | 21.0°C | 24.9°C | 0 mm | 63% | 4.2 m/s | 4.7 |
| 2015 | 29.6°C | 20.3°C | 25.0°C | 0 mm | 54% | 4.2 m/s | 4.6 |
| 2014 | 29.4°C | 20.1°C | 24.7°C | 1 mm | 57% | 4.5 m/s | 4.5 |
| 2013 | 29.1°C | 19.7°C | 24.4°C | 0 mm | 61% | 4.3 m/s | 4.6 |
| 2012 | 29.0°C | 20.2°C | 24.6°C | 0 mm | 63% | 3.8 m/s | 4.5 |
| 2011 | 30.0°C | 19.2°C | 24.6°C | 0 mm | 60% | 4 m/s | 4.5 |
| 2010 | 27.9°C | 19.6°C | 23.7°C | 0 mm | 61% | 4 m/s | 4.6 |
| 2009 | 28.1°C | 20.6°C | 24.3°C | 0 mm | 61% | 3.5 m/s | 4.4 |
| 2008 | 28.8°C | 21.3°C | 25.1°C | 2 mm | 65% | 3.6 m/s | 4.2 |
| 2007 | 28.7°C | 18.9°C | 23.8°C | 0 mm | 63% | 4.7 m/s | 4.4 |
| 2006 | 28.2°C | 20.7°C | 24.5°C | 0 mm | 65% | 3.8 m/s | 4.5 |
| 2005 | 28.1°C | 18.8°C | 23.4°C | 0 mm | 60% | 4.3 m/s | 4.7 |
| 2004 | 28.7°C | 21.6°C | 25.2°C | 0 mm | 62% | 4 m/s | 4.4 |
| 2003 | 28.9°C | 19.9°C | 24.4°C | 0 mm | 57% | 4 m/s | 4.6 |
| 2002 | 28.9°C | 22.1°C | 25.5°C | 0 mm | 58% | 3.8 m/s | 4.6 |
| 2001 | 29.4°C | 21.4°C | 25.4°C | 0 mm | 58% | 3.7 m/s | 4.7 |
| 2000 | 29.1°C | 21.1°C | 25.1°C | 4 mm | 57% | 3.7 m/s | 4.6 |
| 1999 | 27.6°C | 20.7°C | 24.2°C | 0 mm | 60% | 3.8 m/s | 4.7 |
| 1998 | 27.9°C | 21.8°C | 24.9°C | 0 mm | 64% | 3.9 m/s | 4.5 |
| 1997 | 28.9°C | 20.2°C | 24.6°C | 2 mm | 57% | 4 m/s | 4.4 |
| 1996 | 27.8°C | 20.5°C | 24.1°C | 0 mm | 59% | 4.2 m/s | 4.3 |
| 1995 | 28.1°C | 20.8°C | 24.4°C | 0 mm | 59% | 3.8 m/s | 4.5 |
| 1994 | 27.7°C | 18.8°C | 23.2°C | 1 mm | 58% | 4.2 m/s | 4.5 |
| 1993 | 28.3°C | 21.1°C | 24.7°C | 0 mm | 62% | 3.2 m/s | 4.6 |
| 1992 | 27.9°C | 21.7°C | 24.8°C | 0 mm | 61% | 3.5 m/s | 4.5 |
| 1991 | 28.5°C | 21.0°C | 24.8°C | 0 mm | 57% | 3.7 m/s | 4.5 |
| 1990 | 29.1°C | 18.6°C | 23.9°C | 0 mm | 60% | 3.7 m/s | 4.4 |
| 1989 | 28.6°C | 19.9°C | 24.3°C | 0 mm | 54% | 3.6 m/s | 4.4 |
| 1988 | 28.0°C | 20.7°C | 24.4°C | 0 mm | 62% | 3.6 m/s | 4.5 |
| 1987 🔥 | 29.6°C | 22.8°C | 26.2°C | 5 mm | 56% | 4.1 m/s | 4.5 |
| 1986 | 27.8°C | 18.0°C | 22.9°C | 1 mm | 57% | 4.5 m/s | 4.5 |
| 1985 | 28.7°C | 20.2°C | 24.5°C | 0 mm | 56% | 3.8 m/s | 4.5 |
| 1984 | 29.6°C | 19.0°C | 24.3°C | 0 mm | 54% | 3.8 m/s | 4.4 |
| 1983 | 27.1°C | 18.6°C | 22.8°C | 0 mm | 57% | 4.2 m/s | — |
| 1982 | 28.2°C | 21.0°C | 24.6°C | 0 mm | 59% | 3.8 m/s | — |
| 1981 | 27.4°C | 20.0°C | 23.7°C | 1 mm | 64% | 4.2 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 28.4°C with lows near 20.2°C (mean 24.3°C), based on 45 years of NASA POWER data.
December averages 2 mm of rainfall in Diu, one of the drier months. The wettest on record was 27 mm in 2020.
The hottest December reached 30°C in 2011. The coldest dipped to 17.9°C in 2020.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have held steady by about 0°C. Daytime highs moved from 28.2°C to 27.8°C and overnight lows from 19.8°C to 20.2°C over the same span.
December is one of the cooler months of the year in Diu and one of the drier months, so plan for around 28.4°C daytime highs and 20.2°C at night.
Not quite — December is the 3rd coolest month in Diu, averaging 24.3°C.
For December in Diu, pack light layers you can adjust through the day, with typical highs of 28.4°C and lows of 20.2°C.
Relative humidity in December averages 61% — moderately humid.
Average wind speed in December is 4.1 m/s. The windiest December on record averaged 5.3 m/s (2019).
The wettest December on record was 2020 with 27 mm. On average, December sees 2 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 Diu 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.
