15 August
78 / 100
25.1 °C · rain in 34 % of years
Wedding date
See the weather thirty-five years of records suggest for the day you are thinking of saying yes.
Calculated from the nearest place in the dataset: Olomouc, about 1 km away.
These figures come from historical climate records over the last thirty-five years. They are not a forecast for a particular day.
Wedding Weather Score
72/100
The overall score across May to September.
The score comes from historical climate data, not from a forecast.
Source: Open-Meteo Historical Weather API (ERA5 / ERA5-Land reanalysis), 1991–2025. Each day is the mean of ±7 days, so the figures are signal rather than noise.
A darker square means a smaller chance of rain.
Tap a month to bring it forward in the calendar and narrow the shortlist.
We found 104 suitable weekend days.
And now where
15 August is historically one of the kinder dates in this area. We have 31 venues nearby.
Other venueOlomouc · Central Bohemia
HotelOlomouc · Central Bohemia
130 guests
BarnRataje · Central Bohemia
Šternberk · Central Bohemia
70 guests
ResortPřerov IV – Kozlovice · Central Bohemia
Přerov · Central Bohemia
The records favour August: a score of 76 out of a hundred, an average high of 24.5 °C and rain in 35 % of years. It has 31 days scoring above 70.
June in Olomouc averages a high of 22.6 °C, rain on 40 % of days and 11.9 hours of sun. That is 2.7 mm a day on average, and 30 days in the month score above 70.
July runs warmer — 24.6 °C against June’s 22.6 °C — and a little stormier: rain on 40 % of days against 40 % in June. If the heat does not bother you it is a fine choice; for a ceremony in full sun, arrange shade.
The driest month of the wedding season is September: rain on only 33 % of days, and 2.3 mm a day on average.
September in Olomouc offers 19.4 °C, rain on 33 % of days and 8.5 hours of sun. It has 15 good days and is quieter than high summer — venues and suppliers usually have better dates left.
The single best is 15 August, at 78 out of a hundred. The year holds 33 weekend days scoring above 70, which is where the shortlist above comes from.
Venues are shown within 60 km of the place you chose.