Weather in Karlovy Vary by Month – Best Time to Visit

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13.09.2025

Weather in Karlovy Vary by Month – All Year Round

Karlovy Vary is one of the most famous spa towns in the Czech Republic, attracting visitors from all over the world. Before your trip, it’s useful to know what weather to expect, since the climate affects sightseeing, packing, and planning excursions. We’ve prepared a detailed month-by-month weather overview for Karlovy Vary to help you plan your visit.

Weather in Karlovy Vary by Month – Best Time to Visit

Average Weather in Karlovy Vary by Month

MonthDaytime (°C)Night (°C)Conditions
January–2…+5–5…0Rare snow, occasional frost
February–1…+10–5…0Dry, almost no wind
March+2…+100…+3Mostly dry, occasional rain
April+8…+16+2…+6Short spring showers
May+12…+20+6…+10Blooming parks, mild
June+15…+23+9…+13Summer showers, lively season
July+17…+26+11…+15Warmest month, film festival
August+16…+26+10…+14Warm, occasional storms
September+12…+20+7…+11Mild “velvet” season
October+8…+15+3…+7Autumn colors, some rain
November+3…+90…+4Cool, misty, atmospheric
December–2…+3–5…0Rare snow, festive mood

Karlovy Vary Weather by Month

January

January is deep winter in Karlovy Vary. Average temperatures range between –2…+5 °C. Snow is rare but possible, and frost can occur. The city looks magical: frosted forests, cozy cafés, and hot mineral springs. What to do in winter.

Weather in Karlovy Vary by Month – Best Time to Visit

February

February is still cold, but sunnier days become more frequent. Temperatures vary from –5 °C at night to +10 °C during the day. One of the advantages is that hotels and spa resorts offer their lowest prices this month, making it perfect for a budget-friendly wellness stay. Also, Karlovy Vary is unique for having almost no wind all year round.

March

Spring slowly arrives. Average temperatures reach +2…+10 °C. The snow melts, the city wakes up, and the weather is mostly dry. Evenings remain chilly, so pack a warm jacket.

April

April is unpredictable. Daytime highs are +8…+16 °C with short spring showers. It’s a lovely time for park walks and guided tours.

May

In May, Karlovy Vary turns green and blooming. Temperatures reach +12…+20 °C, making it one of the best months to visit. However, spa prices rise above average, and more tourists arrive, especially during public holidays.

June

June is the start of the summer season. Temperatures range from +15…+23 °C. Occasional showers refresh the city, while festivals and cultural events begin.

July

July is the warmest month of the year, with +17…+26 °C on average and rare peaks of +30 °C. It’s also the busiest time: the Karlovy Vary International Film Festival takes place, so hotels are fully booked, and prices skyrocket.

August

August is similarly warm (+16…+26 °C), with occasional thunderstorms. It’s a comfortable time to explore the spa town, enjoy terrace dining, and hike scenic forest trails once the film festival rush has passed.

September

September is known as the “velvet season.” With +12…+20 °C, fewer crowds, and soft sunshine, it’s ideal for sightseeing and relaxation. Nights become cooler, and short cold spells may occur mid-month, but warm sunny days usually return.

Weather in Karlovy Vary by Month – Best Time to Visit

October

Autumn paints the forests golden. Daytime averages +8…+15 °C with some rain. This is a great month for museums and for visiting the Feel Karlovy Vary cinema, where you can watch a unique film about the region.

November

November is cooler, with +3…+9 °C and misty, atmospheric days. As the city prepares for Christmas markets, it’s a great time to enjoy museums or watch the Karlovy Vary film in our cinema.

December

December brings festive vibes. Temperatures are –2…+3 °C, with rare snow that usually melts within a day. For proper skiing and snowy landscapes, nearby resorts like Plešivec, Boží Dar, and Klínovec (40 minutes away) are recommended. In the city, Christmas lights and decorations create a truly magical atmosphere.

Weather in Karlovy Vary by Month – Best Time to Visit

Things to Do in Any Weather in Karlovy Vary

No matter the season, you can always visit the Feel Karlovy Vary cinema and watch an exclusive film about Karlovy Vary and the surrounding region. On screen, you’ll discover the most beautiful sights, the history of the springs, and the secrets of this world-famous spa town.

In addition, you can book guided tours around Karlovy Vary and its surroundings with us. Even on rainy days, we make sure your stay is exciting and memorable.


Travel Tips

  • In summer, bring light clothes, but evenings can be cooler.
  • In spring and autumn, pack a light jacket or umbrella.
  • In winter, warm shoes and a coat are essential.
  • Mineral water from the springs can be enjoyed all year round — it’s part of the Karlovy Vary experience.

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