Average temperature in December is 17.1 °C
Average daytime temperature is 21.4 °C
Average night temperature is 12.9 °C
Absolute maximum temperature: 24.6 °C
Absolute minimum temperature: 9.5 °C
Number of sunny days: 29
Number of rainy days: 2
Number of snow days:
Precipitation sum: 3 mm
* Weather data for Jam Iran is based on climate observations for 2023 year
| December (°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 | 22.1 | 22 | 23.5 | 24 | 24.6 | 23.3 | 21.4 | 23.8 | 23 | 23.6 | 23 | 21.7 | 19.3 | 17.4 | 17.2 | 20.3 | 20.9 | 20.7 | 18.3 | 19 | 18.8 | 19 | 18.6 | 20.3 | 22.5 | 23.2 | 23.1 | 23.1 | 23.6 | 22.7 | 20.2 |
| Apparent max temperature | 22.1 | 22.2 | 22.7 | 23.7 | 23.6 | 22.6 | 22.1 | 23.1 | 21.5 | 21.5 | 21.8 | 20.9 | 17.6 | 16.1 | 14.7 | 18.3 | 19.3 | 19 | 15.7 | 17.4 | 16.8 | 17.3 | 16.5 | 18.8 | 20.6 | 20.5 | 20.6 | 20.6 | 21.7 | 22.1 | 18.8 |
| Mean temperature | 17.1 | 16.8 | 18.6 | 19.2 | 19.5 | 19.2 | 17.6 | 19.1 | 19.2 | 17.8 | 18 | 17.9 | 16.9 | 13.9 | 12.7 | 15.2 | 16.4 | 17.2 | 15.7 | 14.7 | 14.2 | 15 | 16.5 | 17.8 | 18.2 | 18 | 17 | 18.1 | 18.7 | 18.6 | 16.7 |
| Apparent mean temperature | 11.1 | 9.6 | 11.4 | 12.3 | 13.1 | 13.4 | 11.8 | 10.2 | 12.3 | 11.4 | 10.1 | 11.7 | 12.9 | 7.6 | 7.2 | 6.8 | 7.8 | 12 | 10 | 8.9 | 7.8 | 7.6 | 12.4 | 12.6 | 13 | 11.3 | 7.9 | 8.9 | 12.7 | 13 | 12.4 |
| Minimum temperature | 12.9 | 11.7 | 13.4 | 14.5 | 15 | 15.6 | 13.9 | 13.2 | 14.1 | 13.8 | 12.5 | 14 | 14.1 | 9.6 | 9.5 | 9.8 | 11 | 14.1 | 12 | 11.3 | 10.2 | 10.2 | 13.9 | 13.9 | 14.4 | 14.2 | 11.4 | 12 | 14.5 | 14.3 | 13.6 |
| Apparent min temperature | 16.6 | 16.1 | 17.5 | 18.6 | 18.6 | 18.5 | 17.6 | 17.7 | 17.8 | 15.9 | 16.8 | 17.1 | 15.5 | 12.5 | 10.7 | 12.4 | 14.2 | 14.9 | 13.7 | 12.9 | 12 | 13.2 | 15.3 | 16.7 | 17.1 | 15.7 | 14.1 | 15.7 | 17.2 | 17.9 | 15.9 |
| December | 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) | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 |
| Sunshine duration (h) | 9.4 | 9.4 | 9.3 | 9.3 | 9.3 | 9.3 | 9.2 | 9.2 | 9.1 | 9.2 | 9.1 | 9.1 | 9 | 9 | 9.1 | 9.1 | 9.1 | 9.1 | 9 | 9 | 9 | 9 | 7 | 9 | 9 | 9 | 9 | 9 | 8.3 | 9 | 6.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 8.1 | 9.2 | 8.7 | 8.2 | 8.1 | 8.7 | 8.2 | 10.5 | 8.7 | 8.9 | 8.9 | 7 | 20.5 | 14.8 | 11.5 | 12.8 | 8.1 | 6.2 | 11.5 | 8.5 | 9.6 | 6.9 | 12.5 | 9.4 | 10.8 | 11.5 | 10.7 | 8.7 | 11.9 | 6.9 | 8.4 |
In December 2023, the highest daytime temperature in Jam was 24.6°C.
While the minimum temperature at night dropped to 9.5°C.
The average nighttime and daytime temperatures during December in Jam are 12.9°C and 21.4°C respectively.
The precipitation sum in December is about 3 mm.