Prague in May

In May, Prague averages 20°C (68°F) during the day and 9°C (48°F) at night, with around 11 days of rain (60 mm total).

High season

Conditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.

May offers comfortable temperatures in Prague, with some rain to plan around.

20°C
Avg high
9°C
Avg low
11
Rain days
60 mm
Rainfall

How May compares to the rest of the year in Prague

4th
warmest month of the 12
3rd
wettest month of the 12
11%
of yearly rainfall falls in May
15 h 24 min
daylight on the 15th

May is in the middle of the year for warmth in Prague (4th of 12) and one of the wettest months (3rd of 12). Daytime temperature runs 6°C above the annual average (14°C). May runs 5°C warmer than April (15°C) and warms a further 3°C into June (23°C).

May sunrise & sunset in Prague

🌅
Sunrise (15th)
5:16 AM
🌇
Sunset (15th)
8:40 PM
Day length
15 h 24 min

Times shown for Prague local time (Europe/Prague), calculated for the 15th of May. They shift by a few minutes day to day across the month.

Photography light in Prague — May

Golden-hour and blue-hour windows for the 15th of May, in Prague's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:16 AM – 4:56 AM
🌄 Golden hour (AM)
4:56 AM – 5:56 AM
🌇 Golden hour (PM)
8:00 PM – 9:00 PM
🌆 Blue hour (PM)
9:00 PM – 9:40 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Prague in May

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on May's tier (High season) and Prague's popularity.

✈ Flights — lead time
2-3 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
2-3 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — May in Prague

High season

This is a busy month in Prague — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: excellent tourism weather

Sun & mosquito risk — May in Prague

☀️ UV Index (noon, 15th)
10.7
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 Mosquito risk
●●●○○
Moderate
Active mosquito season. DEET 25-30% repellent recommended, especially at dawn/dusk.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Prague in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 2°C / 36°F -3°C / 27°F 25 mm 9 4
February 4°C / 39°F -2°C / 28°F 25 mm 8 3
March 9°C / 48°F 1°C / 34°F 30 mm 9 1
April 15°C / 59°F 4°C / 39°F 35 mm 9 0
May 20°C / 68°F 9°C / 48°F 60 mm 11 0
June 23°C / 73°F 12°C / 54°F 75 mm 12 0
July 25°C / 77°F 14°C / 57°F 70 mm 12 0
August 25°C / 77°F 14°C / 57°F 70 mm 11 0
September 20°C / 68°F 10°C / 50°F 50 mm 9 0
October 13°C / 55°F 5°C / 41°F 35 mm 8 0
November 6°C / 43°F 1°C / 34°F 35 mm 9 1
December 3°C / 37°F -2°C / 28°F 30 mm 9 3

Other cities with similar May weather

🌍 See the full ranked list of climate twins for Prague in May →

Frequently asked questions

How hot is Prague in May?

In May, Prague averages a high of 20°C (68°F) and a low of 9°C (48°F) — generally mild and pleasant.

Does it rain a lot in Prague in May?

May can be fairly wet in Prague, with about 11 rainy days on average.

Is May a good time to visit Prague?

May is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Prague in May?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full May packing list for Prague for a complete, climate-based checklist.

Open Prague on the interactive map

Check the live 10-day forecast and sunrise/sunset.