July is one of the warmer months of the year in Diu, with average highs near 28.8°C and lows around 27.9°C (mean 28.4°C). It is a relatively wet time of year, averaging 260 mm of rainfall and 84% relative humidity across the period.
July is one of the warmer months of the year in Diu. Across 45 years of records, the warmest July in Diu was 1987 — when the month averaged 29.2°C — while the coldest was 1984 at 27.5°C. Typical July days reach 28.8°C with nights near 27.9°C. The long-term July temperature trend is broadly flat.
July is a relatively wet time of year in Diu, averaging 260 mm of rainfall. The wettest July on record was 2009 with 751 mm, while the driest was 1986 at 18 mm.
Relative humidity in Diu during July averages 84%. The most humid July was 2006 at 87%, and the least humid was 1987 at 80%.
July receives about 4.3 kWh/m²/day of solar energy in Diu. The sunniest July was 1987 at 5.7 kWh/m²/day, and the cloudiest was 2018 at 3.
Average wind speed in Diu during July is 7 m/s. The windiest July was 1994 at 7.9 m/s, while the calmest was 2020 at 5.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.3°C | 28.2°C | 28.2°C | 28.4°C | 28.6°C | +0.3°C |
| Avg High | 28.7°C | 28.7°C | 28.6°C | 28.8°C | 29.1°C | +0.4°C |
| Avg Low | 27.8°C | 27.8°C | 27.8°C | 27.9°C | 28.2°C | +0.4°C |
| Avg Rain | 209 mm | 227 mm | 302 mm | 280 mm | 288 mm | +80 mm |
July temperatures in Diu have risen by about 0.4°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 26.1°C (1984) to a record high of 31.4°C (1983).
Rainfall in July is a relatively wet time of year, averaging 260 mm, with a wettest year of 751 mm.
A quieter season to visit Diu
If your dates are flexible, the more temperate months of January and February tend to be the most comfortable for visiting Diu. That said, July — with days averaging 28.8°C and nights around 27.9°C (mean 28.4°C) and higher rainfall (260 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 28.6°C | 28.2°C | 27.8°C | 28.9°C | 27.4°C | 132 mm | 85% | 6.7 m/s | 3.9 |
| 2024 | 29.3°C | 28.9°C | 28.5°C | 30.2°C | 27.8°C | 328 mm | 86% | 7.4 m/s | 3.1 |
| 2023 | 28.8°C | 28.4°C | 28.0°C | 29.7°C | 27.3°C | 427 mm | 87% | 6.9 m/s | 3.6 |
| 2022 | 28.6°C | 28.2°C | 27.8°C | 29.8°C | 26.9°C | 340 mm | 84% | 7.2 m/s | 4.1 |
| 2021 | 29.4°C | 28.9°C | 28.4°C | 30.4°C | 27.6°C | 194 mm | 82% | 7.1 m/s | 4.4 |
| 2020 | 29.6°C | 29.1°C | 28.7°C | 30.7°C | 27.8°C | 309 mm | 84% | 5.7 m/s | 4.8 |
| 2019 | 29.3°C | 28.8°C | 28.3°C | 30.3°C | 27.8°C | 160 mm | 84% | 6.9 m/s | 4.6 |
| 2018 | 28.6°C | 28.3°C | 27.9°C | 29.8°C | 27.0°C | 471 mm | 85% | 7.3 m/s | 3 |
| 2017 | 28.6°C | 28.2°C | 27.8°C | 29.8°C | 27.1°C | 275 mm | 85% | 7.4 m/s | 4 |
| 2016 | 28.6°C | 28.1°C | 27.7°C | 29.3°C | 27.2°C | 211 mm | 85% | 6.7 m/s | 3.8 |
| 2015 | 28.7°C | 28.2°C | 27.8°C | 29.7°C | 27.2°C | 159 mm | 84% | 7.5 m/s | 4.5 |
| 2014 | 29.0°C | 28.6°C | 28.2°C | 30.2°C | 27.6°C | 324 mm | 83% | 7 m/s | 4.5 |
| 2013 | 28.1°C | 27.7°C | 27.4°C | 28.9°C | 26.6°C | 310 mm | 86% | 7.5 m/s | 3.6 |
| 2012 | 29.2°C | 28.7°C | 28.3°C | 29.8°C | 27.7°C | 95 mm | 83% | 6.7 m/s | 4 |
| 2011 | 28.7°C | 28.2°C | 27.7°C | 29.4°C | 27.1°C | 318 mm | 85% | 6.3 m/s | 3.7 |
| 2010 | 29.1°C | 28.7°C | 28.3°C | 30.5°C | 27.5°C | 474 mm | 86% | 6.6 m/s | 4 |
| 2009 🌧️ | 28.6°C | 28.2°C | 27.8°C | 29.7°C | 26.8°C | 751 mm | 86% | 7 m/s | 3.3 |
| 2008 | 28.3°C | 27.9°C | 27.5°C | 29.0°C | 26.8°C | 355 mm | 85% | 6.6 m/s | 3.9 |
| 2007 | 28.9°C | 28.5°C | 28.2°C | 29.6°C | 27.5°C | 210 mm | 84% | 6.6 m/s | 4.4 |
| 2006 | 28.2°C | 27.8°C | 27.4°C | 29.2°C | 26.8°C | 398 mm | 87% | 7.8 m/s | 3.8 |
| 2005 | 28.8°C | 28.4°C | 28.0°C | 29.3°C | 27.3°C | 181 mm | 85% | 6.7 m/s | 4.6 |
| 2004 | 29.0°C | 28.6°C | 28.1°C | 29.8°C | 27.4°C | 277 mm | 82% | 6.5 m/s | 4.7 |
| 2003 | 29.3°C | 28.9°C | 28.6°C | 30.0°C | 28.0°C | 357 mm | 84% | 7.1 m/s | 4.4 |
| 2002 | 28.8°C | 28.3°C | 27.8°C | 29.4°C | 27.0°C | 29 mm | 82% | 7.5 m/s | 4.8 |
| 2001 | 28.1°C | 27.7°C | 27.3°C | 28.9°C | 26.9°C | 184 mm | 85% | 7.4 m/s | 4.1 |
| 2000 | 28.1°C | 27.7°C | 27.2°C | 28.8°C | 26.6°C | 274 mm | 84% | 7.1 m/s | 4.3 |
| 1999 | 28.8°C | 28.3°C | 27.8°C | 29.8°C | 27.2°C | 95 mm | 83% | 7.2 m/s | 4.4 |
| 1998 | 28.8°C | 28.3°C | 27.8°C | 29.7°C | 26.9°C | 157 mm | 86% | 6.7 m/s | 4.7 |
| 1997 | 28.7°C | 28.3°C | 27.9°C | 29.2°C | 27.3°C | 180 mm | 85% | 7.2 m/s | 4.7 |
| 1996 | 28.3°C | 27.8°C | 27.4°C | 29.5°C | 26.8°C | 357 mm | 87% | 6.6 m/s | 4.3 |
| 1995 | 28.7°C | 28.3°C | 27.9°C | 30.2°C | 27.0°C | 332 mm | 85% | 7.1 m/s | 4.7 |
| 1994 | 28.0°C | 27.7°C | 27.3°C | 28.7°C | 26.8°C | 365 mm | 86% | 7.9 m/s | 4.1 |
| 1993 | 29.3°C | 28.7°C | 28.2°C | 30.7°C | 27.4°C | 175 mm | 82% | 7.1 m/s | 5.1 |
| 1992 | 29.1°C | 28.6°C | 28.1°C | 29.9°C | 27.2°C | 260 mm | 82% | 6.6 m/s | 5.3 |
| 1991 | 28.8°C | 28.4°C | 28.0°C | 29.7°C | 26.9°C | 300 mm | 85% | 7.1 m/s | 3.9 |
| 1990 | 28.3°C | 27.8°C | 27.4°C | 29.0°C | 26.8°C | 49 mm | 85% | 7.7 m/s | 4.2 |
| 1989 | 28.2°C | 27.8°C | 27.3°C | 30.2°C | 26.5°C | 260 mm | 85% | 6.6 m/s | 4.9 |
| 1988 | 29.1°C | 28.8°C | 28.4°C | 30.1°C | 27.5°C | 461 mm | 84% | 7.2 m/s | 4.8 |
| 1987 🔥 | 29.7°C | 29.2°C | 28.8°C | 30.6°C | 27.9°C | 53 mm | 80% | 6.8 m/s | 5.7 |
| 1986 | 28.7°C | 28.2°C | 27.7°C | 29.2°C | 26.8°C | 18 mm | 82% | 7.3 m/s | 5 |
| 1985 | 28.2°C | 27.6°C | 27.1°C | 29.2°C | 26.3°C | 82 mm | 83% | 7 m/s | 4.8 |
| 1984 ❄️ | 28.0°C | 27.5°C | 26.9°C | 28.9°C | 26.1°C | 251 mm | 85% | 6.6 m/s | 4.7 |
| 1983 | 29.4°C | 28.9°C | 28.3°C | 31.4°C | 27.1°C | 229 mm | 84% | 6.9 m/s | — |
| 1982 | 28.9°C | 28.3°C | 27.8°C | 30.0°C | 26.9°C | 248 mm | 84% | 6.3 m/s | — |
| 1981 | 28.5°C | 28.1°C | 27.7°C | 29.2°C | 27.1°C | 276 mm | 86% | 7.4 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 28.8°C with lows near 27.9°C (mean 28.4°C), based on 45 years of NASA POWER data.
July averages 260 mm of rainfall in Diu, a relatively wet time of year. The wettest on record was 751 mm in 2009.
The hottest July reached 31.4°C in 1983. The coldest dipped to 26.1°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.4°C. Daytime highs moved from 28.6°C to 28.9°C and overnight lows from 27.6°C to 28.1°C over the same span.
July is one of the warmer months of the year in Diu and a relatively wet time of year, so plan for around 28.8°C daytime highs and 27.9°C at night.
Not quite — July is the 9th coolest month in Diu, averaging 28.4°C.
For July in Diu, pack light layers you can adjust through the day, with typical highs of 28.8°C and lows of 27.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 84% — quite humid.
Average wind speed in July is 7 m/s. The windiest July on record averaged 7.9 m/s (1994).
The wettest July on record was 2009 with 751 mm. On average, July sees 260 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 July, 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 July specifically, along with year-by-year records and how the month has changed over the decades.
