Average temperature in August is 28.6 °C
Average daytime temperature is 31.1 °C
Average night temperature is 26.3 °C
Absolute maximum temperature: 34 °C
Absolute minimum temperature: 24.6 °C
Number of sunny days: 2
Number of rainy days: 29
Number of snow days:
Precipitation sum: 290 mm
* Weather data for Niihama Japan is based on climate observations for 2023 year
| Agosto (°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 | 33 | 32.7 | 32.9 | 32.5 | 32.9 | 34 | 30 | 32.7 | 32.5 | 31 | 29.7 | 31.7 | 31.9 | 29.9 | 29.2 | 30.4 | 30 | 31.1 | 30.8 | 31.6 | 30.7 | 30.8 | 28.8 | 30.9 | 29.8 | 29 | 30.9 | 29.7 | 31.8 | 30.9 | 29.5 |
| Apparent max temperature | 39.1 | 41.6 | 41.1 | 40.2 | 40.6 | 40.6 | 35.4 | 37 | 35.9 | 36.9 | 37.4 | 38.5 | 39.3 | 35.2 | 35 | 38.9 | 36.6 | 38.9 | 39.3 | 40.4 | 40 | 38.7 | 35 | 37.2 | 36.5 | 35.6 | 37.4 | 37.6 | 39.3 | 37.2 | 35.5 |
| Mean temperature | 28.9 | 29.7 | 29.7 | 29.4 | 30.3 | 30.4 | 28.3 | 30.3 | 29.6 | 28.9 | 27.7 | 28.8 | 29.1 | 28 | 28 | 27.9 | 27.5 | 28.6 | 29.1 | 29.4 | 28.1 | 28.6 | 26.9 | 28.3 | 27.1 | 27.1 | 27.8 | 27.5 | 28.7 | 28.1 | 27.5 |
| Apparent mean temperature | 30 | 33.5 | 32.2 | 33.4 | 33.2 | 32 | 31.9 | 31.7 | 30.9 | 33.4 | 29.3 | 30.3 | 32 | 28.3 | 30.1 | 30.8 | 31.8 | 32 | 32.7 | 32.9 | 31.1 | 31.5 | 31 | 31.9 | 30 | 29.5 | 30.8 | 28.7 | 31.8 | 31.5 | 32.5 |
| Minimum temperature | 25.7 | 27.3 | 26.7 | 27.2 | 28.1 | 26.6 | 27.3 | 29.1 | 28.2 | 26.9 | 24.7 | 26.5 | 26.3 | 25.6 | 26.2 | 25.4 | 26 | 26.5 | 26.9 | 26.9 | 24.9 | 26.3 | 25.2 | 25.8 | 24.6 | 25 | 25.3 | 25.5 | 26.6 | 26.1 | 26.3 |
| Apparent min temperature | 34.1 | 36.6 | 36.2 | 36.3 | 36.7 | 35.8 | 33.4 | 34.3 | 33.4 | 34.9 | 33.9 | 34.2 | 35.2 | 32.2 | 32 | 34.8 | 33.9 | 34.7 | 35.6 | 36.9 | 35.7 | 35.2 | 33 | 34.6 | 33.1 | 32.8 | 34.1 | 33.4 | 34.8 | 33.6 | 33.7 |
| Agosto | 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) | 13.8 | 13.8 | 13.8 | 13.8 | 13.7 | 13.7 | 13.7 | 13.6 | 13.6 | 13.6 | 13.6 | 13.5 | 13.5 | 13.5 | 13.4 | 13.4 | 13.4 | 13.3 | 13.3 | 13.3 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.1 | 13 | 13 | 13 | 12.9 |
| Sunshine duration (h) | 12.7 | 12.6 | 12.1 | 12.6 | 12.6 | 10.7 | 0.1 | 8.4 | 8.8 | 6.3 | 11.1 | 12.5 | 12.5 | 3.5 | 2.2 | 10.2 | 6.8 | 10.4 | 11.8 | 12.1 | 12 | 10.9 | 6.1 | 11.1 | 10.3 | 10 | 12 | 12 | 11 | 6.6 | 0.4 |
| Precipitation (mm) | 0.4 | 0.9 | 6.5 | 3.7 | 1.6 | 9.2 | 12 | 3.5 | 22.8 | 11.4 | 9.4 | 0.1 | 0 | 24.2 | 24.3 | 48.1 | 21.6 | 19.3 | 0 | 0.5 | 3.5 | 7.4 | 7.7 | 14.2 | 16.7 | 7 | 0.7 | 0.9 | 1.5 | 6.2 | 5 |
| Precipitation hours | 4 | 8 | 8 | 9 | 9 | 5 | 11 | 13 | 24 | 19 | 9 | 1 | 0 | 14 | 13 | 20 | 15 | 8 | 0 | 5 | 8 | 9 | 12 | 12 | 12 | 9 | 5 | 5 | 9 | 24 | 17 |
| Wind speed (m/s) | 14.6 | 10.6 | 11.4 | 11.8 | 14.9 | 14.9 | 16.6 | 22.6 | 26.1 | 14.1 | 8.4 | 6.1 | 9.8 | 24.5 | 33.1 | 9.6 | 10.1 | 10.4 | 8.3 | 6.2 | 8.6 | 10.5 | 10.2 | 13 | 9.2 | 9.7 | 9.9 | 9.7 | 8.2 | 14.3 | 8.9 |
In August 2023, the highest daytime temperature in Niihama was 34°C.
While the minimum temperature at night dropped to 24.6°C.
The average nighttime and daytime temperatures during August in Niihama are 26.3°C and 31.1°C respectively.
The precipitation sum in August is about 290 mm.