May · Romania
Best time to visit Sinaia in May Weather, crowds & prices
Weather in Sinaia in May
Average temperature 11°C, 57 mm of rain, about 22 days with 6+ hours of sunshine and 73% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
1.7/10
Ranked #7 of 12 months
- Avg temp
- 11°C
- Rainfall
- 57 mm
- Humidity
- 73%
- Days with 6h+ sun
- 22
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
May in Sinaia scores 1.7/10 for snow and ski travel - ranked #7 of 12. Expect around 11°C, 57 mm of rain, and roughly 22 days with 6+ hours of sunshine this month.
Sinaia climbs the Prahova valley beneath the Carpathians, with a royal castle, a monastery and mountain trails.
May in Sinaia — the hardest end of the year
Expect 11°C (51°F) in May. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 57 mm of rain this month — a flexible day or two helps — with about 22 days with 6+ hours of sunshine and 14.7 hours of daylight to work around it.
That is 1.7/10 on the same scale — 7th of 12 months, versus 9.1/10 for the best month here.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, January is materially better in Sinaia — 7.4 points higher on the same scale.
Frequently asked
- What is the weather like in Sinaia in May?
- In May, Sinaia averages 11°C, 57 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 1.7/10.
- Is May a good time to visit Sinaia?
- May earns a 1.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Sinaia in May?
- Expect about 57 mm of rain in May. Average humidity is 73% and there are about 22 days with 6+ hours of sunshine.
Curated in Sinaia
Tickets & experiences
Things to do in Sinaia
Sinaia, Romania. Live activities and tours from GetYourGuide, matched to this destination.