Average annual temperature is 10.7 °C
Absolute maximum temperature: 26.9 °C
Absolute minimum temperature: -3.7 °C
Number of sunny days: 84 days
Number of rainy days: 278 days
Number of snow days: 3 days
Look at detailed online map of Glyn-neath
* Weather data for Glyn-neath United Kingdom is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 11.1 | 11.4 | 13.6 | 16.1 | 21.0 | 26.0 | 22.8 | 23.6 | 26.9 | 20.8 | 13.1 | 12.0 |
| Average daytime temperature (°C) | 7.4 | 8.6 | 8.9 | 11.7 | 17.0 | 21.0 | 17.4 | 18.3 | 19.5 | 14.5 | 9.7 | 8.9 |
| Average temperature (°C) | 5.0 | 6.0 | 6.6 | 8.3 | 12.8 | 16.9 | 14.8 | 15.3 | 16.4 | 12.0 | 7.3 | 7.1 |
| Average night temperature (°C) | 2.6 | 3.3 | 4.5 | 4.8 | 8.7 | 12.6 | 11.8 | 12.3 | 13.3 | 10.0 | 4.9 | 5.0 |
| Absolute minimum temperature (°C) | -2.8 | -1.7 | -0.6 | 1.0 | 5.8 | 7.6 | 8.9 | 8.9 | 6.2 | 3.7 | -2.5 | -3.7 |
| 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) | 8.4 | 10.0 | 11.9 | 13.9 | 15.6 | 16.6 | 16.1 | 14.6 | 12.7 | 10.7 | 8.9 | 7.9 |
| Daylight minimum duration (h) | 7.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 3.2 | 4.0 | 3.7 | 7.1 | 10.7 | 11.5 | 8.1 | 8.1 | 7.3 | 4.7 | 3.4 | 1.8 |
| Precipitation (mm) | 339 | 44 | 329 | 135 | 64 | 86 | 301 | 180 | 199 | 208 | 191 | 366 |
| Sunny days | 11 | 11 | 4 | 9 | 16 | 12 | 0 | 1 | 6 | 6 | 5 | 3 |
| Rainy days | 19 | 17 | 26 | 21 | 15 | 18 | 31 | 30 | 24 | 25 | 25 | 27 |
| Snow days | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Glyn-neath during the most sunny months:
Months with the longest average daylight duration in Glyn-neath:
The largest precipitation sum in Glyn-neath is at