Average temperature in March is 11.8 °C
Average daytime temperature is 14.5 °C
Average night temperature is 8.2 °C
Absolute maximum temperature: 19.5 °C
Absolute minimum temperature: 0.5 °C
Number of sunny days: 18
Number of rainy days: 13
Number of snow days:
Precipitation sum: 88 mm
* Weather data for Niihama Japan is based on climate observations for 2023 year
| Marzo (°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 | 15.8 | 8.3 | 8.7 | 11.3 | 11.4 | 13 | 15 | 15.6 | 16.4 | 19 | 17.5 | 18.6 | 9 | 11.4 | 15.2 | 15.5 | 12.5 | 12.1 | 14.6 | 15 | 14 | 16.9 | 19.5 | 18.4 | 13.6 | 12.3 | 14.9 | 15.9 | 15.3 | 15.4 | 16.4 |
| Apparent max temperature | 15.7 | 3.2 | 6.2 | 8.5 | 8.9 | 11.7 | 13.9 | 15.4 | 17.4 | 19.9 | 19.1 | 20.6 | 5.9 | 9.5 | 14.9 | 15.7 | 12.4 | 10.7 | 13.2 | 13.6 | 14 | 19 | 22.8 | 20 | 12.3 | 11.3 | 14.6 | 14.8 | 14.5 | 15 | 17 |
| Mean temperature | 12 | 5.5 | 7.3 | 8.3 | 8 | 10.9 | 13.2 | 11.7 | 13.8 | 16 | 13.8 | 14.2 | 6.4 | 7.9 | 12.2 | 13.5 | 11.2 | 9.6 | 10.2 | 12.8 | 12.9 | 15.8 | 17.5 | 14.5 | 12.3 | 11 | 12.1 | 11.9 | 11.7 | 14.1 | 14.7 |
| Apparent mean temperature | 1.5 | -2.9 | 2.5 | 0.4 | 1.3 | 3.9 | 7.9 | 6.7 | 10 | 10.9 | 8.3 | 1.9 | -0.3 | 1.5 | 7.2 | 8.8 | 6.4 | 3.5 | 4.3 | 9.4 | 9.2 | 13.9 | 16 | 7.3 | 8.1 | 7.6 | 6.4 | 4.3 | 5.4 | 9.4 | 9.5 |
| Minimum temperature | 6.4 | 0.5 | 5.1 | 3.4 | 3.6 | 7 | 10 | 8.2 | 10.9 | 13.1 | 9.7 | 7.1 | 3 | 3.7 | 8.4 | 10.4 | 8.7 | 5.8 | 5.8 | 10.8 | 9.8 | 13.7 | 15.6 | 10.3 | 10.6 | 8.9 | 8.6 | 6.1 | 7.6 | 11.1 | 11.8 |
| Apparent min temperature | 10 | 1.2 | 4.8 | 5.7 | 5.4 | 9.1 | 11.4 | 10.6 | 13.5 | 15.3 | 13.6 | 12.7 | 3.1 | 5.8 | 11.4 | 13.4 | 10.2 | 7.6 | 8.5 | 12 | 12.5 | 16.2 | 18.7 | 14.1 | 10.9 | 9.9 | 10.9 | 10.4 | 10 | 12.9 | 13.5 |
| Marzo | 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) | 11.4 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 12 | 12 | 12 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 |
| Sunshine duration (h) | 9.5 | 9 | 9.7 | 8.1 | 10.7 | 10.7 | 10.7 | 9.9 | 7.4 | 10.8 | 10.8 | 8.7 | 9.5 | 10.9 | 10.9 | 4.7 | 1.5 | 3.4 | 11.1 | 8 | 1.1 | 9.3 | 4.6 | 4.8 | 4 | 2.1 | 10.8 | 11.4 | 11.6 | 9.4 | 9.7 |
| Precipitation (mm) | 6.2 | 2.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 0 | 0 | 6.9 | 0 | 0 | 0 | 1 | 23.8 | 0 | 0 | 0.4 | 8.8 | 8.5 | 6.4 | 5.8 | 11.6 | 6 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 9 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 8 | 0 | 0 | 0 | 5 | 22 | 0 | 0 | 3 | 14 | 4 | 9 | 12 | 8 | 14 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 24.5 | 24.4 | 7 | 8.3 | 10.7 | 6.2 | 5.1 | 7.5 | 9.3 | 7.2 | 6.6 | 27.8 | 18.9 | 10.2 | 8.6 | 9.7 | 14 | 14.5 | 8.8 | 8.5 | 11.6 | 13.2 | 19.5 | 18.4 | 15.8 | 8.2 | 10.5 | 6.1 | 7.2 | 6.8 | 9.7 |
In March 2023, the highest daytime temperature in Niihama was 19.5°C.
While the minimum temperature at night dropped to 0.5°C.
The average nighttime and daytime temperatures during March in Niihama are 8.2°C and 14.5°C respectively.
The precipitation sum in March is about 88 mm.