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Parma weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Parma?
For a warm holiday, the best week has been 5–11 June (Weather Index 95). Several start dates remain plausible, and the best timing varies between years. July and August are warmest (31°C), July is driest and June and July have the most sun.
- Warmest
- July and August 31°C
- Coolest
- January and December 9°C
- Driest
- July 23% rain-day chance
- Wettest
- May 45% rain-day chance
- Sunniest
- June and July 14 hours a day
A rain day has 1 mm or more, snow included, so a short shower counts. Monthly averages below give the amounts.
Monthly averages in Parma
Parma historical monthly estimates, 2016–2025. Temperatures and sunshine are daily averages.
| Month | High (°C) | Low (°C) | Rain-day chance (%) | Expected rain days | Precipitation (mm/month) | Sunshine (hours/day) |
|---|---|---|---|---|---|---|
| January | 8.6 | 1.7 | 23.9 | 7.4 | 48.4 | 6.6 |
| February | 11.8 | 3.8 | 27.5 | 7.7 | 77.5 | 7.1 |
| March | 15.1 | 5.9 | 28.1 | 8.7 | 69.5 | 9.3 |
| April | 18.9 | 9.2 | 32.0 | 9.6 | 77.1 | 11.0 |
| May | 22.6 | 13.7 | 44.5 | 13.8 | 119.3 | 11.4 |
| June | 29.1 | 18.6 | 23.7 | 7.1 | 56.0 | 13.7 |
| July | 31.5 | 20.6 | 22.6 | 7.0 | 50.4 | 13.8 |
| August | 31.0 | 20.4 | 30.3 | 9.4 | 68.6 | 12.3 |
| September | 25.8 | 16.2 | 32.0 | 9.6 | 83.3 | 10.6 |
| October | 20.1 | 11.8 | 28.7 | 8.9 | 90.0 | 8.0 |
| November | 13.1 | 6.8 | 35.3 | 10.6 | 97.5 | 6.2 |
| December | 9.1 | 3.0 | 27.7 | 8.6 | 82.3 | 5.4 |
Each month averages its own days. Precipitation includes snow. About the data
Sources
Open-Meteo · 1 Jan 2016 – 31 Dec 2025
- Open-Meteo Historical Weather API
- Local days, 2016–2025, every year weighted equally. Each weekly chart averages its own seven days, without smoothing.
- Shading shows the 10th–90th percentile of past days, not forecast confidence.
- A rain day has at least 1 mm, snow included. The last weekly period has eight days.
- Wind is the average daytime (10:00–18:00) maximum, not gusts. Daylight is calculated from latitude. Missing readings stay blank.
- Mugginess (dew point) comes from the original daily summaries, on UTC days.
- The live two-week forecast comes from the Open-Meteo Weather Forecast API. The Weather Index does not use it.