Climate averages 1991–2020
Opole weather
in December.
A cold, moderately wet month: the 11th warmest and the joint 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cold month in Opole: daytime highs average 3.0°C and nights cool to about -1.8°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 43 mm of rain on roughly 10 days, which makes December a moderately wet month (the joint 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 8 h 04 min on an average December day.
The nearest other city in this atlas is Gliwice (67 km away). In December its highs average 2.6°C, about as warm as Opole, with 45 mm of rain.
Among the 60 cities listed in Poland, Opole ranks joint 12th of 60 for the warmest December highs and joint 28th of 60 for the driest December (rainfall, lowest first). The mean December high of those 60 cities is 2.4°C; Opole is 0.6°C warmer than that mean.
From December to January, average highs fall by 1.2°C to 1.8°C, and monthly precipitation falls from 43 mm to 42 mm.
The annual picture
December in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Opole climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.8°C-3.5°C | -3.5°C | 42 | 10.5 | 8.59 h |
| February | 3.7°C-2.9°C | -2.9°C | 38 | 9.1 | 10.010 h |
| March | 8.1°C-0.2°C | -0.2°C | 49 | 11.2 | 11.812 h |
| April | 14.2°C4.2°C | 4.2°C | 43 | 9.7 | 13.814 h |
| May | 18.8°C9.3°C | 9.3°C | 69 | 12.0 | 15.515 h |
| June | 22.1°C13.0°C | 13.0°C | 78 | 12.1 | 16.416 h |
| July | 24.2°C15.0°C | 15.0°C | 98 | 13.0 | 16.016 h |
| August | 24.2°C14.9°C | 14.9°C | 61 | 10.4 | 14.515 h |
| September | 19.1°C10.8°C | 10.8°C | 64 | 10.4 | 12.713 h |
| October | 13.5°C6.6°C | 6.6°C | 50 | 10.1 | 10.811 h |
| November | 7.7°C2.3°C | 2.3°C | 44 | 9.8 | 9.09 h |
| December, selected | 3.0°C-1.8°C | -1.8°C | 43 | 10.0 | 8.18 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Gliwice in DecemberPoland · 67 kmHigh 2.6°C · Low -2.2°C · 45 mm rain
- Zabrze in DecemberPoland · 72 kmHigh 2.3°C · Low -2.5°C · 45 mm rain
- Rybnik in DecemberPoland · 77 kmHigh 2.7°C · Low -2.2°C · 46 mm rain
- Wrocław in DecemberPoland · 79 kmHigh 3.4°C · Low -1.2°C · 41 mm rain
- Bytom in DecemberPoland · 80 kmHigh 2.1°C · Low -2.7°C · 45 mm rain
- Częstochowa in DecemberPoland · 85 kmHigh 2.2°C · Low -2.3°C · 43 mm rain
- Katowice in DecemberPoland · 90 kmHigh 2.2°C · Low -2.6°C · 45 mm rain
- Jastrzębie Zdrój in DecemberPoland · 92 kmHigh 2.6°C · Low -2.3°C · 46 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Opole) is explained once on the Opole year overview and on the Sources, method and limits page.