August is one of the cooler months of the year in Roma, with average highs near 22.4°C and lows around 6.9°C (mean 14.7°C). It is one of the drier months, averaging 21 mm of rainfall and 57% relative humidity across the period.
August is one of the cooler months of the year in Roma. Across 45 years of records, the warmest August in Roma was 2024 — when the month averaged 18.7°C — while the coldest was 1989 at 11.9°C. Typical August days reach 22.4°C with nights near 6.9°C. The long-term trend is warming, about 0.6°C per decade.
August is one of the drier months in Roma, averaging 21 mm of rainfall. The wettest August on record was 1998 with 97 mm, while the driest was 1991 at 0 mm.
Relative humidity in Roma during August averages 57%. The most humid August was 1983 at 78%, and the least humid was 2017 at 39%.
August receives about 4.9 kWh/m²/day of solar energy in Roma. The sunniest August was 2017 at 5.4 kWh/m²/day, and the cloudiest were 1998 and 2007 at 4.3.
Average wind speed in Roma during August is 2.5 m/s. The windiest August was 1990 at 2.9 m/s, while the calmest were 1989 and 2023 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 13.6°C | 14.4°C | 14.8°C | 14.8°C | 16.1°C | +2.5°C |
| Avg High | 21.0°C | 22.2°C | 22.7°C | 22.7°C | 23.8°C | +2.8°C |
| Avg Low | 6.1°C | 6.6°C | 6.9°C | 6.9°C | 8.3°C | +2.2°C |
| Avg Rain | 26 mm | 21 mm | 21 mm | 21 mm | 13 mm | -13 mm |
August temperatures in Roma have risen by about 2.7°C between 1981–1985 and 2021–2025.
August has ranged from a record low of -1.5°C (1988) to a record high of 36.8°C (2009).
Rainfall in August is one of the drier months, averaging 21 mm, with a wettest year of 97 mm.
A quieter season to visit Roma
If your dates are flexible, the more temperate months of October and April tend to be the most comfortable for visiting Roma. That said, August — with days averaging 22.4°C and nights around 6.9°C (mean 14.7°C) and low rainfall (21 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 21.7°C | 14.6°C | 7.5°C | 30.8°C | 2.5°C | 25 mm | 61% | 2.5 m/s | 4.5 |
| 2024 🔥 | 26.4°C | 18.7°C | 10.9°C | 35.2°C | 2.0°C | 16 mm | 58% | 2.3 m/s | 4.5 |
| 2023 | 25.6°C | 17.6°C | 9.7°C | 32.3°C | 5.2°C | 0 mm | 51% | 2.2 m/s | 4.9 |
| 2022 | 21.6°C | 14.3°C | 7.0°C | 27.0°C | 2.1°C | 19 mm | 66% | 2.6 m/s | 4.6 |
| 2021 | 24.3°C | 16.2°C | 8.0°C | 30.9°C | 3.0°C | 4 mm | 53% | 2.5 m/s | 4.9 |
| 2020 | 23.3°C | 15.1°C | 6.8°C | 30.7°C | 3.0°C | 14 mm | 51% | 2.6 m/s | 5.1 |
| 2019 | 23.3°C | 15.5°C | 7.7°C | 29.4°C | 2.1°C | 1 mm | 44% | 2.4 m/s | 4.8 |
| 2018 | 23.4°C | 15.0°C | 6.5°C | 29.8°C | 1.2°C | 12 mm | 39% | 2.7 m/s | 5.3 |
| 2017 | 24.6°C | 15.7°C | 6.9°C | 32.3°C | 2.4°C | 6 mm | 39% | 2.4 m/s | 5.4 |
| 2016 | 21.7°C | 14.5°C | 7.3°C | 25.6°C | 1.8°C | 37 mm | 67% | 2.5 m/s | 4.4 |
| 2015 | 22.6°C | 14.6°C | 6.7°C | 30.7°C | 0.9°C | 16 mm | 57% | 2.4 m/s | 5 |
| 2014 | 21.4°C | 14.0°C | 6.5°C | 26.5°C | -0.3°C | 42 mm | 61% | 2.8 m/s | 4.8 |
| 2013 | 25.2°C | 16.4°C | 7.6°C | 32.1°C | 1.6°C | 0 mm | 44% | 2.3 m/s | 5.2 |
| 2012 | 21.8°C | 13.9°C | 6.0°C | 28.2°C | 0.8°C | 10 mm | 57% | 2.3 m/s | 5.2 |
| 2011 | 22.7°C | 15.2°C | 7.7°C | 27.8°C | 3.6°C | 25 mm | 63% | 2.5 m/s | 4.8 |
| 2010 | 20.4°C | 13.1°C | 5.8°C | 29.5°C | 0.6°C | 59 mm | 67% | 2.8 m/s | 4.5 |
| 2009 | 27.5°C | 18.6°C | 9.8°C | 36.8°C | 2.5°C | 5 mm | 42% | 2.6 m/s | 5 |
| 2008 | 20.4°C | 12.7°C | 5.0°C | 28.8°C | -1.5°C | 11 mm | 59% | 2.6 m/s | 4.8 |
| 2007 | 22.3°C | 15.3°C | 8.4°C | 27.3°C | 1.9°C | 62 mm | 62% | 2.6 m/s | 4.3 |
| 2006 | 24.3°C | 15.5°C | 6.7°C | 30.3°C | 2.3°C | 1 mm | 44% | 2.3 m/s | 5.2 |
| 2005 | 21.3°C | 13.6°C | 5.8°C | 27.0°C | 0.1°C | 7 mm | 64% | 2.5 m/s | 5.1 |
| 2004 | 22.9°C | 14.6°C | 6.4°C | 29.4°C | 2.0°C | 14 mm | 45% | 2.6 m/s | 5.2 |
| 2003 | 22.8°C | 15.1°C | 7.3°C | 30.0°C | -1.4°C | 35 mm | 62% | 2.8 m/s | 4.7 |
| 2002 | 22.2°C | 14.7°C | 7.3°C | 30.8°C | 0.9°C | 38 mm | 57% | 2.7 m/s | 4.5 |
| 2001 | 21.7°C | 13.5°C | 5.2°C | 24.9°C | 1.9°C | 4 mm | 56% | 2.5 m/s | 5.2 |
| 2000 | 21.6°C | 14.1°C | 6.6°C | 27.2°C | 0.3°C | 38 mm | 58% | 2.6 m/s | 4.8 |
| 1999 | 22.0°C | 14.5°C | 7.0°C | 26.5°C | 0.4°C | 13 mm | 63% | 2.5 m/s | 5 |
| 1998 🌧️ | 21.8°C | 15.4°C | 9.0°C | 26.3°C | -1.1°C | 97 mm | 75% | 2.7 m/s | 4.3 |
| 1997 | 22.6°C | 14.6°C | 6.5°C | 26.9°C | 1.6°C | 0 mm | 48% | 2.4 m/s | 5.1 |
| 1996 | 22.3°C | 14.7°C | 7.1°C | 29.0°C | -1.0°C | 34 mm | 59% | 2.5 m/s | 4.5 |
| 1995 | 23.3°C | 15.2°C | 7.1°C | 32.2°C | -0.8°C | 5 mm | 54% | 2.5 m/s | 5 |
| 1994 | 22.3°C | 13.9°C | 5.4°C | 26.9°C | -0.7°C | 1 mm | 44% | 2.3 m/s | 5.2 |
| 1993 | 22.7°C | 14.8°C | 6.9°C | 27.1°C | 1.8°C | 14 mm | 59% | 2.5 m/s | 4.9 |
| 1992 | 22.6°C | 14.5°C | 6.3°C | 28.8°C | 1.0°C | 26 mm | 52% | 2.7 m/s | 4.7 |
| 1991 | 23.1°C | 14.7°C | 6.2°C | 29.6°C | 1.4°C | 0 mm | 50% | 2.6 m/s | 5.1 |
| 1990 | 19.2°C | 12.0°C | 4.7°C | 25.2°C | -0.2°C | 20 mm | 66% | 2.9 m/s | 4.9 |
| 1989 ❄️ | 19.5°C | 11.9°C | 4.3°C | 28.0°C | -0.6°C | 12 mm | 63% | 2.2 m/s | 5.1 |
| 1988 | 21.7°C | 14.3°C | 7.0°C | 28.8°C | -1.5°C | 32 mm | 66% | 2.7 m/s | 4.7 |
| 1987 | 22.1°C | 14.8°C | 7.4°C | 27.3°C | 2.1°C | 36 mm | 64% | 2.6 m/s | 4.4 |
| 1986 | 20.7°C | 13.2°C | 5.7°C | 24.4°C | 0.7°C | 37 mm | 60% | 2.5 m/s | 4.9 |
| 1985 | 21.9°C | 14.3°C | 6.8°C | 28.6°C | -0.6°C | 38 mm | 63% | 2.6 m/s | 4.7 |
| 1984 | 19.8°C | 12.5°C | 5.1°C | 26.0°C | 0.6°C | 23 mm | 67% | 2.5 m/s | 5 |
| 1983 | 18.9°C | 12.6°C | 6.3°C | 22.1°C | 0.9°C | 37 mm | 78% | 2.3 m/s | — |
| 1982 | 23.8°C | 15.6°C | 7.5°C | 28.1°C | 0.9°C | 7 mm | 53% | 2.4 m/s | — |
| 1981 | 20.6°C | 12.9°C | 5.2°C | 27.1°C | 1.1°C | 15 mm | 59% | 2.4 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 22.4°C with lows near 6.9°C (mean 14.7°C), based on 45 years of NASA POWER data.
August averages 21 mm of rainfall in Roma, one of the drier months. The wettest on record was 97 mm in 1998.
The hottest August reached 36.8°C in 2009. The coldest dipped to -1.5°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 2.7°C. Daytime highs moved from 21°C to 23.9°C and overnight lows from 6.2°C to 8.6°C over the same span.
August is one of the cooler months of the year in Roma and one of the drier months, so plan for around 22.4°C daytime highs and 6.9°C at night.
Not quite — August is the 3rd coolest month in Roma, averaging 14.7°C.
For August in Roma, pack warm layers and a jacket for chilly mornings, with typical highs of 22.4°C and lows of 6.9°C.
Relative humidity in August averages 57% — moderately humid.
Average wind speed in August is 2.5 m/s. The windiest August on record averaged 2.9 m/s (1990).
The wettest August on record was 1998 with 97 mm. On average, August sees 21 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 Roma behaves each August, 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 August specifically, along with year-by-year records and how the month has changed over the decades.
