Graz weather in December
December in Graz: cold, a little rain, with clean air — a fair time to visit.
#12 of 12 months in Graz · #748 of 897 destinations to visit in December · comfort 51/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Graz in December
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Graz climate normals — December
| Daytime high | 5°C / 41°F | 🧥 cold |
|---|---|---|
| Nighttime low | -2°C / 28°F | |
| Rainfall | 59 mm / 2.3 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | -1°C / 30°F | |
| Sunshine | 4.8 h/day | |
| Daylight | 8.6 h | |
| Wind | 8 km/h / 5 mph | |
| Snowfall | 15.6 cm / 6.1 in | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Graz in December — FAQ
- Is December a good time to visit Graz?
- December in Graz: cold, a little rain, with clean air — a fair time to visit. It ranks #12 of 12 months for Graz on SeasonMap's comfort score (51/100).
- What is the weather like in Graz in December?
- In December, Graz averages a daily high of 4.8°C and a low of -2.5°C, with about 58.7 mm of rain over roughly 9.6 rainy days.
- What is the air quality in Graz in December?
- Graz has a mean US Air Quality Index of about 37 in December.
- Does it snow in Graz in December?
- Graz sees roughly 15.6 cm of snowfall in December.