Frankfurt in May

In May, Frankfurt averages 20°C (67°F) during the day and 10°C (49°F) at night, with frequent rain — about 17 days of the month see precipitation (65 mm total).

Shoulder

Conditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.

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

20°C
Avg high
10°C
Avg low
17
Rain days
65 mm
Rainfall

How May compares to the rest of the year in Frankfurt

5th
warmest month of the 12
7th
wettest month of the 12
9%
of yearly rainfall falls in May
15 h 25 min
daylight on the 15th

May is in the middle of the year for warmth in Frankfurt (5th of 12) and moderately rainy compared to the rest of the year (7th of 12). Daytime temperature runs 4°C above the annual average (16°C). May runs 4°C warmer than April (16°C) and warms a further 5°C into June (25°C).

May sunrise & sunset in Frankfurt

🌅
Sunrise (15th)
5:39 AM
🌇
Sunset (15th)
9:04 PM
Day length
15 h 25 min

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

Photography light in Frankfurt — May

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

🌅 Blue hour (AM)
4:39 AM – 5:19 AM
🌄 Golden hour (AM)
5:19 AM – 6:19 AM
🌇 Golden hour (PM)
8:24 PM – 9:24 PM
🌆 Blue hour (PM)
9:24 PM – 10:04 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 — Frankfurt 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 (Shoulder) and Frankfurt's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — May in Frankfurt

Shoulder

Frankfurt is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Why this tier: comfortable tourism weather

Sun & mosquito risk — May in Frankfurt

☀️ UV Index (noon, 15th)
10.6
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.

Frankfurt in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 5°C / 42°F 1°C / 33°F 72 mm 21
February 8°C / 46°F 0°C / 33°F 45 mm 16
March 11°C / 52°F 2°C / 36°F 51 mm 17
April 16°C / 60°F 5°C / 41°F 45 mm 16
May 20°C / 67°F 10°C / 49°F 65 mm 17
June 25°C / 76°F 15°C / 58°F 58 mm 16
July 26°C / 79°F 16°C / 61°F 63 mm 17
August 25°C / 78°F 16°C / 60°F 60 mm 18
September 21°C / 70°F 12°C / 53°F 52 mm 14
October 16°C / 60°F 8°C / 47°F 55 mm 18
November 9°C / 48°F 4°C / 39°F 64 mm 18
December 6°C / 44°F 2°C / 35°F 74 mm 19

Other cities with similar May weather

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

Frequently asked questions

How hot is Frankfurt in May?

In May, Frankfurt averages a high of 20°C (67°F) and a low of 10°C (49°F) — generally mild and pleasant.

Does it rain a lot in Frankfurt in May?

May is quite rainy in Frankfurt, with about 17 rainy days on average.

Is May a good time to visit Frankfurt?

May is mild and pleasant but on the rainy side. 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 Frankfurt 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 Frankfurt for a complete, climate-based checklist.

Open Frankfurt on the interactive map

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