October in Sinaia brings moderate temperatures, with daytime highs of 14°C (57°F) and nights around 4°C (39°F). Quite a bit of rainfall is expected, around 64 mm (2.5 in), so pack an umbrella.
For Sinaia itself, June, July, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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Pick a month to see the average temperature, rainfall and sunshine in Sinaia - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Sinaia typically drop from around 9°C (48°F) at the start of October to approximately 5°C (41°F) by the end. Nights are very cold, with lows typically ranging from -3°C (27°F) to 1°C (34°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Sinaia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 49 years of weather observations in Sinaia between 1976 and 2025, these are the recorded extremes.
Find out more about the weather in Romania and which places have the best travel conditions in this month. See all of Romania in October →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
The weather can be unpredictable in October, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Sinaia climate overview or explore weather in Romania.
Where to go in October - average daytime high across popular destinations.
Eforie Nord
18°C (64°F) Bucharest19°C (66°F) Timişoara19°C (66°F) Mamaia18°C (64°F) Constanţa18°C (64°F) Sibiu15°C (59°F) Cluj-Napoca16°C (61°F) Braşov
14°C (57°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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