Average temperature in December is 4.3 °C
Average daytime temperature is 8.1 °C
Average night temperature is 1.3 °C
Absolute maximum temperature: 15.3 °C
Absolute minimum temperature: -7.6 °C
Number of sunny days: 12
Number of rainy days: 17
Number of snow days: 2
Precipitation sum: 51 mm
* Weather data for Jamestown 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 | 8.6 | 8.9 | 6.6 | 6.4 | 6.4 | 4.3 | 11.1 | 13.5 | 14.4 | 6.7 | 2.7 | 7.1 | 5.1 | 9 | 11.2 | 9.6 | 7.8 | 5.8 | 1.4 | 7.6 | 9.3 | 10.4 | 12.4 | 15.3 | 14.4 | 12.1 | 8.4 | 5.1 | 3.9 | 4.9 | 2 |
| Apparent max temperature | 6 | 6.9 | 4.2 | 2.7 | 2.7 | -0.3 | 6.4 | 8.5 | 11.2 | 3 | -1.6 | 2.1 | 1.6 | 5.1 | 6.9 | 5.2 | 5.7 | 1.9 | -4.3 | 2.2 | 5.5 | 6 | 10.4 | 13 | 9.9 | 9.1 | 4.1 | 1.2 | 0.7 | 0 | -2.6 |
| Mean temperature | 6.8 | 7.8 | 5.1 | 1.4 | 2.2 | 2.2 | 3.7 | 9.7 | 12 | 2.1 | -2 | 1.4 | 0 | 1.4 | 4.2 | 5.9 | 6.8 | 1.1 | -4 | 0.8 | 4 | 6.8 | 8.6 | 10.2 | 11.3 | 9.1 | 2.5 | 2.8 | 1.8 | 2.5 | 0.5 |
| Apparent mean temperature | 0.7 | 2.3 | -0.4 | -6.3 | -5 | -4 | -5.5 | 0.6 | 4.2 | -6 | -10.1 | -6.5 | -7.5 | -7.1 | -4.3 | -1.3 | 1.7 | -10.2 | -12.3 | -8.1 | -3.4 | 1.1 | 2.4 | 4.6 | 5 | 0.1 | -5.8 | -3.8 | -3.4 | -4 | -6.7 |
| Minimum temperature | 5.2 | 5.7 | 3.8 | -2.5 | -1.6 | 0.4 | -0.2 | 6.8 | 7.5 | -0.9 | -5.9 | -1.4 | -3.5 | -2.5 | 0.5 | 4.2 | 5.8 | -2.3 | -7.6 | -2.3 | 0.5 | 5.1 | 6.7 | 7.2 | 9.2 | 3.3 | -1.9 | 0 | 0.8 | 0.2 | -0.9 |
| Apparent min temperature | 3.1 | 5.1 | 1.5 | -2.3 | -1.5 | -2.3 | -1.6 | 4 | 7.9 | -3.1 | -6.4 | -3.7 | -4 | -2.7 | -0.2 | 1.3 | 3.8 | -5.6 | -9.5 | -4.8 | 0 | 2.6 | 5.4 | 8.1 | 7.4 | 6 | -1 | -1 | -1.9 | -1.8 | -4.4 |
| 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) | 9.6 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.4 | 9.4 | 9.4 | 9.4 |
| Sunshine duration (h) | 0 | 1.1 | 0.2 | 6.3 | 4 | 7.3 | 8.4 | 8.4 | 6.4 | 0.3 | 7.8 | 8.3 | 8.3 | 8.3 | 8.3 | 0 | 0.2 | 4.3 | 8.1 | 8.3 | 6 | 1.8 | 1.3 | 5.8 | 1 | 4.9 | 7.2 | 0 | 0 | 8 | 0 |
| Precipitation (mm) | 7.5 | 1 | 3.4 | 0 | 3.2 | 0.4 | 0 | 0 | 1.9 | 0 | 0 | 0 | 0 | 0 | 0 | 0.8 | 14.7 | 0.8 | 0 | 0 | 0.3 | 1.6 | 4 | 0.8 | 7.9 | 0.9 | 0 | 0.7 | 0.4 | 0.9 | 0.1 |
| Precipitation hours | 16 | 5 | 11 | 0 | 11 | 3 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 13 | 5 | 0 | 0 | 1 | 3 | 10 | 4 | 8 | 2 | 0 | 6 | 4 | 7 | 1 |
| Wind speed (m/s) | 25 | 20.7 | 28.2 | 15.9 | 21.3 | 21.1 | 24 | 28.7 | 32.3 | 21.2 | 15.9 | 20.2 | 10.1 | 10.5 | 16.1 | 19.9 | 19.3 | 37.3 | 28.5 | 19.9 | 13 | 17.2 | 20.8 | 18.2 | 31.9 | 30.2 | 13 | 17.3 | 17.3 | 17.7 | 25.5 |
In December 2023, the highest daytime temperature in Jamestown was 15.3°C.
While the minimum temperature at night dropped to -7.6°C.
The average nighttime and daytime temperatures during December in Jamestown are 1.3°C and 8.1°C respectively.
The precipitation sum in December is about 51 mm.