Average annual temperature is 11.5 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -12.9 °C
Number of sunny days: 143 days
Number of rainy days: 211 days
Number of snow days: 11 days
Look at detailed online map of Kostomlátky
* Weather data for Kostomlátky Czech Republic is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 16.5 | 13.3 | 19.4 | 20.1 | 26.3 | 32.8 | 35.6 | 32.2 | 29.3 | 28.5 | 16.1 | 11.8 |
| Average daytime temperature (°C) | 6.3 | 6.4 | 10.8 | 12.2 | 19.6 | 24.9 | 27.7 | 25.4 | 24.7 | 17.9 | 9.1 | 6.1 |
| Average temperature (°C) | 3.7 | 2.7 | 6.1 | 7.8 | 14.1 | 19.2 | 22.0 | 20.5 | 18.6 | 13.3 | 5.9 | 3.6 |
| Average night temperature (°C) | 0.9 | -0.8 | 1.8 | 2.7 | 8.1 | 12.9 | 16.1 | 15.9 | 12.9 | 9.1 | 3.0 | 0.8 |
| Absolute minimum temperature (°C) | -4.6 | -7.3 | -5.1 | -3.7 | 2.9 | 7.2 | 12.1 | 8.3 | 8.0 | 0.7 | -4.3 | -12.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.6 | 10.1 | 11.9 | 13.8 | 15.4 | 16.3 | 15.9 | 14.4 | 12.6 | 10.7 | 9.1 | 8.1 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.0 | 5.1 | 6.4 | 7.2 | 11.5 | 12.5 | 12.0 | 9.3 | 10.2 | 6.4 | 4.0 | 3.3 |
| Precipitation (mm) | 39 | 37 | 56 | 76 | 39 | 79 | 70 | 148 | 26 | 67 | 92 | 90 |
| Sunny days | 13 | 13 | 10 | 10 | 17 | 12 | 11 | 9 | 22 | 14 | 4 | 8 |
| Rainy days | 15 | 14 | 20 | 20 | 14 | 18 | 20 | 22 | 8 | 17 | 24 | 19 |
| Snow days | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The best time to visit Kostomlátky during the most sunny months:
Months with the longest average daylight duration in Kostomlátky:
The largest precipitation sum in Kostomlátky is at