Temperatures and rainfall
Month by month
| Month | Avg high | Avg low | Precipitation (mm) | Rain days | Sun h/day | Sea |
|---|---|---|---|---|---|---|
| January | 12° | 6° | 90 | 10 | 7 | 15° |
| February | 13° | 7° | 94 | 11 | 8 | 14° |
| March | 15° | 9° | 95 | 10 | 10 | 14° |
| April | 18° | 12° | 79 | 11 | 11 | 16° |
| May | 23° | 16° | 54 | 8 | 12 | 19° |
| June | 27° | 20° | 33 | 5 | 14 | 23° |
| July | 30° | 22° | 23 | 4 | 14 | 24° |
| August | 30° | 22° | 25 | 3 | 13 | 25° |
| September | 26° | 19° | 94 | 9 | 11 | 24° |
| October | 22° | 15° | 115 | 9 | 9 | 22° |
| November | 18° | 11° | 137 | 12 | 8 | 19° |
| December | 13° | 8° | 125 | 12 | 7 | 17° |
1991–2020 ERA5 records: 38°C / -3°C. Reanalysis data slightly smooths station extremes.
The warmest month in Golem Beach is August, averaging a high of 30°C; the coldest is January, with lows of 6°C. November is the wettest (137 mm) and July the driest (23 mm), about 964 mm a year. The sea is warm enough for swimming (≥ 21°C) in June, July, August, September, October.