Average temperature in December is 7.1 °C
Average daytime temperature is 10.3 °C
Average night temperature is 5.1 °C
Absolute maximum temperature: 15.4 °C
Absolute minimum temperature: -0.5 °C
Number of sunny days: 6
Number of rainy days: 25
Number of snow days:
Precipitation sum: 272 mm
* Weather data for Tualatin United States is based on climate observations for 2023 year
| Dicembre (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 10.2 | 10.5 | 13.8 | 14.9 | 15.4 | 14.3 | 9 | 7.4 | 6 | 11.2 | 11 | 10.9 | 10.4 | 8.7 | 9.9 | 9 | 8.2 | 9.5 | 14.4 | 13.3 | 9.9 | 8.5 | 6.4 | 6.1 | 6 | 9.9 | 9.6 | 9.9 | 12.6 | 11.8 | 10 |
| Apparent max temperature | 7.5 | 8.3 | 11.9 | 12.3 | 13.4 | 13.2 | 7.6 | 5.2 | 4.1 | 9.1 | 9.4 | 8.3 | 8.2 | 7.3 | 7.1 | 7.3 | 4.4 | 7.4 | 13.8 | 12.9 | 8.8 | 7.3 | 4.4 | 4.5 | 4.5 | 7.9 | 8.1 | 8.9 | 9.6 | 10.7 | 9.1 |
| Mean temperature | 5.7 | 8.8 | 10.2 | 13.1 | 14.5 | 12.4 | 7.7 | 4.7 | 2.6 | 8.6 | 9.6 | 7.5 | 7.3 | 6.5 | 6 | 4.9 | 4.1 | 5.5 | 8.5 | 7.3 | 5.7 | 5.9 | 2.6 | 2 | 5 | 6.9 | 7.9 | 6.9 | 8.9 | 8.5 | 5.7 |
| Apparent mean temperature | 0.3 | 3.3 | 6.3 | 8.9 | 11.8 | 7.9 | 2.6 | -1 | -3.1 | 0.5 | 7 | 1.4 | 2.1 | 1.2 | 0.2 | -1.2 | -2 | 0.2 | 1.7 | 1.9 | 1 | 1.8 | -2.5 | -4.2 | 1 | 2.5 | 2.8 | 2.4 | 3.7 | 2.7 | 1.5 |
| Minimum temperature | 2.8 | 7.4 | 8.2 | 12 | 13.5 | 9.5 | 6.8 | 2.7 | 0 | 4.3 | 8.6 | 5 | 5.4 | 3.8 | 3.3 | 2.1 | 1.3 | 3.5 | 5 | 4.4 | 3.2 | 3.9 | 0.5 | -0.5 | 3.7 | 4.6 | 6.7 | 4.6 | 6.8 | 5.1 | 3.5 |
| Apparent min temperature | 2.5 | 5.3 | 8.4 | 10.9 | 12.5 | 11.2 | 4.4 | 1.6 | 0.2 | 4.9 | 8.3 | 4.4 | 4 | 4.4 | 3.1 | 1.9 | 0.7 | 2.4 | 6.1 | 5.4 | 3.8 | 3.7 | 0.1 | -1 | 2.6 | 4.8 | 4.4 | 5.1 | 5.7 | 6.6 | 3.8 |
| Dicembre | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 9 | 9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.8 | 8.8 | 8.8 |
| Sunshine duration (h) | 4.5 | 4.1 | 0 | 0 | 0 | 0 | 3.1 | 4.7 | 0.8 | 0 | 2.7 | 7.5 | 5.9 | 0.5 | 6.1 | 7.6 | 7.1 | 2.8 | 2.5 | 7 | 5.9 | 4.9 | 3.6 | 0.9 | 0 | 2.2 | 0.2 | 0 | 2.1 | 4.3 | 1 |
| Precipitation (mm) | 9.4 | 20.7 | 32.4 | 3.7 | 37.9 | 54.1 | 6.2 | 0.3 | 3 | 36.1 | 0.9 | 0 | 0 | 0.6 | 0.7 | 0 | 0 | 0.4 | 12.9 | 0.1 | 0 | 5.7 | 0.5 | 2 | 10.2 | 10.6 | 2.7 | 8.4 | 0 | 11.5 | 1.2 |
| Precipitation hours | 18 | 15 | 22 | 14 | 23 | 24 | 14 | 3 | 7 | 22 | 4 | 0 | 0 | 4 | 1 | 0 | 0 | 1 | 11 | 1 | 0 | 10 | 3 | 2 | 16 | 9 | 6 | 9 | 0 | 16 | 3 |
| Wind speed (m/s) | 29.9 | 34.1 | 24.2 | 26.4 | 25.4 | 20.4 | 23.1 | 13.7 | 8.4 | 27.4 | 13.1 | 14.6 | 16.3 | 8.4 | 13.8 | 12.2 | 19.1 | 12.6 | 17.7 | 7.9 | 9.1 | 15.1 | 12 | 11.5 | 10.5 | 12.3 | 22.7 | 9.2 | 20.5 | 15.2 | 8.3 |
In December 2023, the highest daytime temperature in Tualatin was 15.4°C.
While the minimum temperature at night dropped to -0.5°C.
The average nighttime and daytime temperatures during December in Tualatin are 5.1°C and 10.3°C respectively.
The precipitation sum in December is about 272 mm.