December is one of the cooler months of the year in Diu, with average highs near 26.6°C and lows around 22.5°C (mean 24.6°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 25.9°C — while the coldest was 1983 at 23.1°C. Typical December days reach 26.6°C with nights near 22.5°C. The long-term December temperature trend is broadly flat.
December is one of the drier months in Diu, averaging 2 mm of rainfall. The wettest December on record was 2020 with 27 mm, while the driest were 2015, 2016 and 2024, among others at 0 mm.
Relative humidity in Diu during December averages 61%. The most humid December was 2019 at 72%, and the least humid was 1984 at 54%.
December receives about 4.4 kWh/m²/day of solar energy in Diu. The sunniest Decembers were 2001, 2005 and 2016, among others at 4.7 kWh/m²/day, and the cloudiest was 2017 at 3.8.
Average wind speed in Diu during December is 4.1 m/s. The windiest December was 2019 at 5.3 m/s, while the calmest was 1993 at 3.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.3°C | 24.7°C | 24.9°C | 24.5°C | 24.2°C | -0.1°C |
| Avg High | 26.5°C | 26.6°C | 27.0°C | 26.6°C | 26.1°C | -0.4°C |
| Avg Low | 22.2°C | 22.8°C | 22.9°C | 22.4°C | 22.3°C | +0.1°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 26.6°C and nights around 22.5°C (mean 24.6°C) — cooler than Diu's yearly average — with low rainfall (2 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 26.2°C | 24.3°C | 22.4°C | 27.0°C | 21.3°C | 0 mm | 70% | 4.7 m/s | — |
| 2024 | 25.6°C | 23.3°C | 21.1°C | 27.7°C | 18.5°C | 0 mm | 67% | 4.9 m/s | 4.2 |
| 2023 | 27.0°C | 25.2°C | 23.5°C | 29.0°C | 22.2°C | 0 mm | 68% | 4.6 m/s | 3.9 |
| 2022 | 26.8°C | 24.8°C | 22.8°C | 28.9°C | 20.5°C | 1 mm | 66% | 4.1 m/s | 4.4 |
| 2021 | 25.3°C | 23.7°C | 22.0°C | 26.4°C | 18.7°C | 16 mm | 71% | 4.4 m/s | 4 |
| 2020 🌧️ | 26.0°C | 23.9°C | 21.8°C | 28.7°C | 17.9°C | 27 mm | 67% | 4.1 m/s | 4.3 |
| 2019 | 26.2°C | 24.3°C | 22.5°C | 28.4°C | 18.0°C | 3 mm | 72% | 5.3 m/s | 4 |
| 2018 | 26.5°C | 24.5°C | 22.6°C | 28.9°C | 19.6°C | 0 mm | 56% | 4.1 m/s | 4.4 |
| 2017 | 25.5°C | 23.7°C | 21.9°C | 27.4°C | 19.8°C | 16 mm | 66% | 4.6 m/s | 3.8 |
| 2016 | 27.0°C | 24.8°C | 22.6°C | 28.7°C | 21.0°C | 0 mm | 63% | 4.2 m/s | 4.7 |
| 2015 | 27.2°C | 25.0°C | 22.8°C | 29.6°C | 20.3°C | 0 mm | 54% | 4.2 m/s | 4.6 |
| 2014 | 26.9°C | 24.8°C | 22.7°C | 29.4°C | 20.1°C | 1 mm | 57% | 4.5 m/s | 4.5 |
| 2013 | 26.4°C | 24.1°C | 21.9°C | 29.1°C | 19.7°C | 0 mm | 61% | 4.3 m/s | 4.6 |
| 2012 | 27.0°C | 24.9°C | 22.9°C | 29.0°C | 20.2°C | 0 mm | 63% | 3.8 m/s | 4.5 |
| 2011 | 27.5°C | 24.9°C | 22.3°C | 30.0°C | 19.2°C | 0 mm | 60% | 4 m/s | 4.5 |
| 2010 | 25.5°C | 23.8°C | 22.0°C | 27.9°C | 19.6°C | 0 mm | 61% | 4 m/s | 4.6 |
| 2009 | 26.8°C | 24.9°C | 23.0°C | 28.1°C | 20.6°C | 0 mm | 61% | 3.5 m/s | 4.4 |
| 2008 | 27.4°C | 25.6°C | 23.8°C | 28.8°C | 21.3°C | 2 mm | 65% | 3.6 m/s | 4.2 |
| 2007 | 26.3°C | 24.2°C | 22.1°C | 28.7°C | 18.9°C | 0 mm | 63% | 4.7 m/s | 4.4 |
| 2006 | 26.5°C | 24.5°C | 22.6°C | 28.2°C | 20.7°C | 0 mm | 65% | 3.8 m/s | 4.5 |
| 2005 | 26.3°C | 23.7°C | 21.2°C | 28.1°C | 18.8°C | 0 mm | 60% | 4.3 m/s | 4.7 |
| 2004 | 27.3°C | 25.4°C | 23.6°C | 28.7°C | 21.6°C | 0 mm | 62% | 4 m/s | 4.4 |
| 2003 | 27.1°C | 25.0°C | 22.9°C | 28.9°C | 19.9°C | 0 mm | 57% | 4 m/s | 4.6 |
| 2002 | 27.6°C | 25.7°C | 23.8°C | 28.9°C | 22.1°C | 0 mm | 58% | 3.8 m/s | 4.6 |
| 2001 | 27.7°C | 25.4°C | 23.2°C | 29.4°C | 21.4°C | 0 mm | 58% | 3.7 m/s | 4.7 |
| 2000 | 27.3°C | 24.9°C | 22.5°C | 29.1°C | 21.1°C | 4 mm | 57% | 3.7 m/s | 4.6 |
| 1999 | 26.5°C | 24.5°C | 22.5°C | 27.6°C | 20.7°C | 0 mm | 60% | 3.8 m/s | 4.7 |
| 1998 | 26.2°C | 24.7°C | 23.2°C | 27.9°C | 21.8°C | 0 mm | 64% | 3.9 m/s | 4.5 |
| 1997 | 26.6°C | 24.7°C | 22.8°C | 28.9°C | 20.2°C | 2 mm | 57% | 4 m/s | 4.4 |
| 1996 | 26.5°C | 24.4°C | 22.3°C | 27.8°C | 20.5°C | 0 mm | 59% | 4.2 m/s | 4.3 |
| 1995 | 26.9°C | 24.8°C | 22.7°C | 28.1°C | 20.8°C | 0 mm | 59% | 3.8 m/s | 4.5 |
| 1994 | 26.2°C | 24.1°C | 22.0°C | 27.7°C | 18.8°C | 1 mm | 58% | 4.2 m/s | 4.5 |
| 1993 | 26.5°C | 24.9°C | 23.3°C | 28.3°C | 21.1°C | 0 mm | 62% | 3.2 m/s | 4.6 |
| 1992 | 26.9°C | 25.1°C | 23.2°C | 27.9°C | 21.7°C | 0 mm | 61% | 3.5 m/s | 4.5 |
| 1991 | 26.6°C | 24.9°C | 23.1°C | 28.5°C | 21.0°C | 0 mm | 57% | 3.7 m/s | 4.5 |
| 1990 | 26.7°C | 24.9°C | 23.1°C | 29.1°C | 18.6°C | 0 mm | 60% | 3.7 m/s | 4.4 |
| 1989 | 26.6°C | 24.8°C | 22.9°C | 28.6°C | 19.9°C | 0 mm | 54% | 3.6 m/s | 4.4 |
| 1988 | 26.4°C | 24.7°C | 23.0°C | 28.0°C | 20.7°C | 0 mm | 62% | 3.6 m/s | 4.5 |
| 1987 🔥 | 27.8°C | 25.9°C | 23.9°C | 29.6°C | 22.8°C | 5 mm | 56% | 4.1 m/s | 4.5 |
| 1986 | 25.5°C | 23.3°C | 21.1°C | 27.8°C | 18.0°C | 1 mm | 57% | 4.5 m/s | 4.5 |
| 1985 | 26.9°C | 24.6°C | 22.4°C | 28.7°C | 20.2°C | 0 mm | 56% | 3.8 m/s | 4.5 |
| 1984 | 27.1°C | 24.3°C | 21.6°C | 29.6°C | 19.0°C | 0 mm | 54% | 3.8 m/s | 4.4 |
| 1983 ❄️ | 25.4°C | 23.1°C | 20.9°C | 27.1°C | 18.6°C | 0 mm | 57% | 4.2 m/s | — |
| 1982 | 26.8°C | 24.5°C | 22.3°C | 28.2°C | 21.0°C | 0 mm | 59% | 3.8 m/s | — |
| 1981 | 26.0°C | 23.8°C | 21.5°C | 27.4°C | 20.0°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 26.6°C with lows near 22.5°C (mean 24.6°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 risen by about 0.2°C — but days and nights have moved in opposite directions. Overnight lows rose from 21.7°C to 22.4°C while daytime highs eased from 26.4°C to 26.2°C, narrowing the gap between day and night.
December is one of the cooler months of the year in Diu and one of the drier months, so plan for around 26.6°C daytime highs and 22.5°C at night.
Not quite — December is the 3rd coolest month in Diu, averaging 24.6°C.
For December in Diu, pack light layers you can adjust through the day, with typical highs of 26.6°C and lows of 22.5°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.
