Average annual temperature is 13.3 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: -8.6 °C
Number of sunny days: 180 days
Number of rainy days: 184 days
Number of snow days: 1 day
Look at detailed online map of Costeni
* Weather data for Costeni Romania is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 17.3 | 16.7 | 20.0 | 20.5 | 25.9 | 30.9 | 36.0 | 35.8 | 29.8 | 26.3 | 18.7 | 15.3 |
| Average daytime temperature (°C) | 8.1 | 8.5 | 13.3 | 15.3 | 20.6 | 24.9 | 30.6 | 30.3 | 26.5 | 21.5 | 11.5 | 8.5 |
| Average temperature (°C) | 4.5 | 3.7 | 7.6 | 10.3 | 16.0 | 20.1 | 24.7 | 24.5 | 20.5 | 15.0 | 7.8 | 4.0 |
| Average night temperature (°C) | 1.6 | -0.3 | 2.7 | 5.6 | 11.3 | 15.4 | 18.5 | 18.8 | 15.4 | 9.5 | 4.1 | 0.3 |
| Absolute minimum temperature (°C) | -2.7 | -8.6 | -2.2 | 0.1 | 6.8 | 11.7 | 12.4 | 13.5 | 11.9 | 3.1 | -4.6 | -3.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.8 | 15.5 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.4 | 7.4 | 7.8 | 8.1 | 9.0 | 10.3 | 13.3 | 12.4 | 10.4 | 9.3 | 4.9 | 4.6 |
| Precipitation (mm) | 121 | 35 | 47 | 121 | 71 | 151 | 13 | 61 | 74 | 8 | 98 | 20 |
| Sunny days | 14 | 18 | 17 | 7 | 6 | 7 | 15 | 18 | 19 | 26 | 14 | 19 |
| Rainy days | 17 | 9 | 14 | 23 | 25 | 23 | 16 | 13 | 11 | 5 | 16 | 12 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Costeni during the most sunny months:
Months with the longest average daylight duration in Costeni:
The largest precipitation sum in Costeni is at