Average annual temperature is 11.8 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -16.4 °C
Number of sunny days: 143
Number of rainy days: 203
Number of snow days: 19
Average annual precipitation: 707 mm
Look at detailed online map of Slănic
* Weather data for Slănic Romania is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 17.3 | 16.3 | 19.4 | 17.4 | 23.2 | 27.8 | 32.3 | 32 | 28.1 | 27.7 | 18.8 | 17 |
| Average daytime temperature (°C) | 6.6 | 6.3 | 11.2 | 12.7 | 18.6 | 23.1 | 26.8 | 27.4 | 23.7 | 20 | 10.5 | 8.4 |
| Average temperature (°C) | 3.4 | 1.4 | 5.9 | 8.3 | 14.4 | 18.6 | 21.9 | 22.3 | 18.8 | 14.3 | 6.6 | 4.2 |
| Average night temperature (°C) | 0.6 | -3.4 | 1.1 | 4.1 | 10.1 | 13.7 | 16 | 17.2 | 14.1 | 8.5 | 2.8 | 0.4 |
| Absolute minimum temperature (°C) | -7.1 | -16.4 | -2.7 | -0.1 | 3.5 | 9.5 | 11.2 | 11.2 | 8.7 | 2.3 | -3.4 | -3.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.7 | 11.1 | 12.7 | 14.2 | 15.4 | 15.7 | 15.6 | 14.7 | 13.3 | 11.7 | 10.2 | 9 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.3 | 14.1 | 12.5 | 11 | 9.6 | 8.8 |
| Daylight minimum duration (h) | 8.8 | 9.8 | 11.1 | 12.8 | 14.3 | 15.4 | 14.8 | 13.3 | 11.8 | 10.2 | 9 | 8.7 |
| Sunshine mean duration (h) | 5.1 | 6.7 | 8.3 | 7.8 | 11.1 | 11.9 | 12.4 | 11.9 | 10.8 | 9 | 5.7 | 5.1 |
| Precipitation (mm) | 154 | 23 | 15 | 106 | 53 | 93 | 89 | 65 | 23 | 6 | 59 | 24 |
| Sunny days | 8 | 15 | 18 | 5 | 8 | 5 | 5 | 11 | 19 | 23 | 8 | 18 |
| Rainy days | 16 | 7 | 9 | 25 | 23 | 25 | 26 | 20 | 11 | 8 | 21 | 12 |
| Snow days | 7 | 6 | 4 | 1 | 1 |
The best time to visit Slănic during the most sunny months:
Months with the longest average daylight duration in Slănic:
The largest precipitation sum in Slănic is at