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Best time to visit Karlovy Vary, Czech Republic

Our verdict

The best time to visit Karlovy Vary is September

When’s the best time to visit Karlovy Vary, you ask? Based on several factors like the weather and climate, cost of flights and hotels, peak travel seasons and much more, the best time to go to Karlovy Vary is September.

In the height of summer, temperatures in Karlovy Vary can reach a maximum of 25℃ (77℉). The weather at night in the winter, which is around January-time, can get down to a minimum of -11℃ (13℉).

If you’re keen to work on your tan in Karlovy Vary, you’re most likely get the longest days between sun-up and sun-down around July. The wet season in Karlovy Vary usually falls during the months surrounding July each year. It’s not uncommon to get some decent rainfall or light showers during this time, but on some days the weather tends to be fine for a majority of the day, with only a few drops of rain falling from a passing shower.

Learn more about when to travel to Karlovy Vary, the monthly weather breakdown, FAQs and much more below. Once you’ve decided when you want to go, use our handy tools to find the best prices to suit your budget on flights, transport/transfers, places to stay, and loads more!

Warmest month

July

Least rainfall

April

Most daylight

July

Let someone else do the hard work.
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Where to?
Karlovy Vary

Karlovy Vary seasons

Before you continue, it’s important to know when the seasons are in Karlovy Vary as they might be different to yours depending on where in the world you’re travelling from. Karlovy Vary is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Karlovy Vary

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Karlovy Vary for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Karlovy Vary climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Karlovy Vary for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Karlovy Vary in January

  • Average temperature: -2℃ (28℉)
  • Average high temperature: 0℃ (32℉)
  • Average low temperature: -5℃ (23℉)
  • Average humidity: 92%
  • Average sunny days: 7 days
  • Average rainfall: 45mm (2") over 12 days
  • Average snow days: 18 days
7 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Karlovy Vary in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Karlovy Vary in February

  • Average temperature: -2℃ (29℉)
  • Average high temperature: 1℃ (34℉)
  • Average low temperature: -5℃ (24℉)
  • Average humidity: 90%
  • Average sunny days: 9 days
  • Average rainfall: 39mm (2") over 9 days
  • Average snow days: 14 days
9 days
of pure sunshine
9 days
of showers or rain

What to pack: If you’re heading to Karlovy Vary in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Karlovy Vary in March

  • Average temperature: 3℃ (37℉)
  • Average high temperature: 6℃ (43℉)
  • Average low temperature: -1℃ (30℉)
  • Average humidity: 84%
  • Average sunny days: 11 days
  • Average rainfall: 37mm (1") over 14 days
  • Average snow days: 8 days
11 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Karlovy Vary in March, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Karlovy Vary in April

  • Average temperature: 8℃ (47℉)
  • Average high temperature: 13℃ (55℉)
  • Average low temperature: 3℃ (37℉)
  • Average humidity: 75%
  • Average sunny days: 12 days
  • Average rainfall: 27mm (1") over 15 days
  • Average snow days: 2 days
12 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Karlovy Vary in April, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Karlovy Vary in May

  • Average temperature: 12℃ (53℉)
  • Average high temperature: 16℃ (61℉)
  • Average low temperature: 6℃ (42℉)
  • Average humidity: 78%
  • Average sunny days: 8 days
  • Average rainfall: 56mm (2") over 20 days
8 days
of pure sunshine
20 days
of showers or rain

What to pack: If you’re heading to Karlovy Vary in May, make sure you pack a warm jacket or coat.


Karlovy Vary in June

  • Average temperature: 15℃ (59℉)
  • Average high temperature: 20℃ (68℉)
  • Average low temperature: 9℃ (49℉)
  • Average humidity: 78%
  • Average sunny days: 8 days
  • Average rainfall: 54mm (2") over 19 days
8 days
of pure sunshine
19 days
of showers or rain

What to pack: If you’re heading to Karlovy Vary in June, make sure you pack a warm jacket or coat.


Karlovy Vary in July

  • Average temperature: 17℃ (63℉)
  • Average high temperature: 22℃ (72℉)
  • Average low temperature: 11℃ (53℉)
  • Average humidity: 75%
  • Average sunny days: 9 days
  • Average rainfall: 58mm (2") over 20 days
9 days
of pure sunshine
20 days
of showers or rain

What to pack: If you’re heading to Karlovy Vary in July, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.


Karlovy Vary in August

  • Average temperature: 17℃ (63℉)
  • Average high temperature: 22℃ (72℉)
  • Average low temperature: 12℃ (53℉)
  • Average humidity: 75%
  • Average sunny days: 13 days
  • Average rainfall: 49mm (2") over 15 days
13 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Karlovy Vary in August, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.


Karlovy Vary in September

  • Average temperature: 12℃ (54℉)
  • Average high temperature: 17℃ (63℉)
  • Average low temperature: 8℃ (47℉)
  • Average humidity: 80%
  • Average sunny days: 16 days
  • Average rainfall: 34mm (1") over 13 days
16 days
of pure sunshine
13 days
of showers or rain

What to pack: If you’re heading to Karlovy Vary in September, make sure you pack a warm jacket or coat.

Karlovy Vary in October

  • Average temperature: 8℃ (46℉)
  • Average high temperature: 12℃ (53℉)
  • Average low temperature: 4℃ (40℉)
  • Average humidity: 85%
  • Average sunny days: 16 days
  • Average rainfall: 28mm (1") over 12 days
  • Average snow days: 1 days
16 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Karlovy Vary in October, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Karlovy Vary in November

  • Average temperature: 3℃ (38℉)
  • Average high temperature: 6℃ (43℉)
  • Average low temperature: 1℃ (34℉)
  • Average humidity: 89%
  • Average sunny days: 13 days
  • Average rainfall: 33mm (1") over 12 days
  • Average snow days: 5 days
13 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Karlovy Vary in November, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Karlovy Vary in December

  • Average temperature: -0℃ (32℉)
  • Average high temperature: 2℃ (35℉)
  • Average low temperature: -3℃ (27℉)
  • Average humidity: 90%
  • Average sunny days: 7 days
  • Average rainfall: 48mm (2") over 14 days
  • Average snow days: 13 days
7 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Karlovy Vary in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Top FAQs

The hottest month of the year in Karlovy Vary is usually July, where temperatures tend to rise to around 22℃ (72℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Karlovy Vary is generally around April. The dry season often coincides with cooler weather, so you should check the temperatures in April first to make sure it’s still a good time to go.
The rainiest time of year in Karlovy Vary is generally around July, although the wetter season can sometimes extend a few months either side of July too.
If you want to get the most out of your time visiting Karlovy Vary, or if you're just afraid of the dark, the days in July are usually the longest between sunrise and sunset.

Karlovy Vary map

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