AI-generatedKarlovy Vary at a glance
- Best time
- May – Sep
- Warmest month
- Aug · 23°
- Sunshine a year
- 1,620 h
- Rain a year
- 653 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 374 m
Climate in Karlovy Vary
Karlovy Vary has a maritime climate with moderate summers and cool, often grey winters. August is the warmest month with average highs of 23 °C, while January is the coolest at 2 °C. With around 1,620 hours of sunshine a year, Karlovy Vary is moderately sunny; July is the sunniest month with 7.4 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Fair
Best time to visit: May – September
A typical day in October
- Morning, 08:00: about 7°
- Midday, 13:00: about 12°
- Afternoon, 16:00: about 13°
- Evening, 20:00: about 10°
- Night, 23:00: about 8°
07:2918:19
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:09–08:13 · evening 17:35–18:40
- Blue hour
- Morning 06:56–07:09 · evening 18:40–18:52
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Karlovy Vary in October?
In October, Karlovy Vary is cool: daytime highs average 13 °C, and nights cool down to about 6 °C. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 10 rainy days and 49 mm in total. All in all, October is a so-so month for a holiday in Karlovy Vary.
More details for October
- Daylight
- 10 h 51 min07:29 – 18:19
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 75 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+2Europe/Prague
How the score comes together
- Temperatureweight 50 %48 %
- Sunshineweight 20 %3 %
- Few rainy daysweight 30 %56 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Sunshine hours in Karlovy Vary
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 3.2 of 10.8 hours of daylight in Karlovy Vary, 30 % of the day.
Sunshine hours: measured at the weather station 5 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Karlovy Vary
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 2 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 8).
Minutes until sunburn in October
- Very fair skin
- about 60 min
- Fair skin
- about 75 min
- Light brown skin
- about 105 min
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Karlovy Vary: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Karlovy Vary has about 10 rainy days with 49 mm of rain in total.
Wind and clouds in Karlovy Vary
How breezy and how cloudy Karlovy Vary is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Karlovy Vary typically peaks at 16 km/h during the day: Beaufort 3, light breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 75 % of the sky over Karlovy Vary: mostly cloudy, with about 3.2 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Karlovy Vary
How often the day gets hot in Karlovy Vary (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Karlovy Vary has about 0 hot days, with an average daytime high of 13 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow in Karlovy Vary
Snow is possible in Karlovy Vary, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Karlovy Vary.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Karlovy Vary
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
ColdOctober: nights around 6°. The room should be heated.
The coolest nights are in January (−3°), the warmest in July (14°). Nights fall below 8 °C on average from October to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 17 | 2° | −3° | 1.4 h | 10 | 41 |
| FebruaryFeb | 21 | 4° | −3° | 2.7 h | 8 | 36 |
| MarchMar | 19 | 8° | 0° | 3.7 h | 10 | 42 |
| AprilApr | 53 | 13° | 4° | 5.9 h | 10 | 43 |
| MayMay | 71 | 18° | 9° | 6.8 h | 14 | 68 |
| JuneJun | 75 | 22° | 12° | 7.1 h | 13 | 72 |
| JulyJul | 73 | 23° | 14° | 7.4 h | 14 | 82 |
| AugustAug | 76 | 23° | 14° | 7.2 h | 12 | 78 |
| SeptemberSep | 75 | 18° | 10° | 5.2 h | 10 | 58 |
| OctoberOct | 42 | 13° | 6° | 3.2 h | 10 | 49 |
| NovemberNov | 20 | 7° | 2° | 1.4 h | 9 | 44 |
| DecemberDec | 18 | 3° | −2° | 1.1 h | 10 | 42 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
50.23° N, 12.87° E · 374 m · Europe/Prague
Best time to visit Karlovy Vary
The best time to visit Karlovy Vary is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable in September. Rain is most frequent from May to August; the wettest month is July with 82 mm.
Karlovy Vary through the seasons
How the weather changes over the seasons, with averages for each.
Karlovy Vary in spring
Mar – May
Fair
- 8–18 °C by day
- 6 h of sun a day
- 34 rainy days in all
Karlovy Vary in summer
Jun – Aug
Good
- 22–23 °C by day
- 7 h of sun a day
- 39 rainy days in all
Karlovy Vary in autumn
Sep – Nov
Fair
- 7–18 °C by day
- 3 h of sun a day
- 29 rainy days in all
Karlovy Vary in winter
Dec – Feb
Poor
- 2–4 °C by day
- 2 h of sun a day
- 28 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Karlovy Vary for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Compare two months in Karlovy Vary
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
August has the better holiday weather in Karlovy Vary: score 76 against 42. In August, days are 10 °C warmer than in October. August has 2 more rainy days. The sun shines 4 hours longer a day in August.
| Month | October | August |
|---|---|---|
| Weather score | 42 | 76better |
| Day high | 13° | 23° |
| Night low | 6° | 14° |
| Sunshine | 3.2 h | 7.2 hbetter |
| Rainy days | 10better | 12 |
| Rainfall | 49 mmbetter | 78 mm |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Sep
15–28 °C and not too much rain
Rainy months
May – Aug
12 or more rainy days
Snow
Dec – Mar
Snow on 2 or more days
Karlovy Vary month by month
The typical weather for every month at a glance.
17January2° · 1 h
In January, Karlovy Vary is freezing cold: daytime highs average 2 °C, and nights often drop below freezing (−3 °C). The sun is scarce, with only about 1 hours a day. Precipitation, often as snow, falls on about 10 days, totalling 41 mm. Snow falls on about 5 days. All in all, January is not an ideal month for a holiday in Karlovy Vary.
Karlovy Vary in January21February4° · 3 h
In February, Karlovy Vary is cold: daytime highs average 4 °C, and nights often drop below freezing (−3 °C). The sun is scarce, with only about 3 hours a day. Precipitation, often as snow, falls on about 8 days, totalling 36 mm. Snow falls on about 4 days. All in all, February is not an ideal month for a holiday in Karlovy Vary.
Karlovy Vary in February19March8° · 4 h
In March, Karlovy Vary is cold: daytime highs average 8 °C, and nights often drop below freezing (0 °C). The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 10 rainy days and 42 mm in total. Snow falls on about 2 days. All in all, March is not an ideal month for a holiday in Karlovy Vary.
Karlovy Vary in March53April13° · 6 h
In April, Karlovy Vary is cool: daytime highs average 13 °C, and nights cool down to about 4 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 43 mm in total. All in all, April is a so-so month for a holiday in Karlovy Vary.
Karlovy Vary in April71May18° · 7 h
In May, Karlovy Vary is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 14 rainy days and 68 mm in total. All in all, May is a good month for a holiday in Karlovy Vary.
Karlovy Vary in May75June22° · 7 h
In June, Karlovy Vary is warm: daytime highs average 22 °C, and nights cool down to about 12 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 13 rainy days and 72 mm in total. All in all, June is a good month for a holiday in Karlovy Vary.
Karlovy Vary in June73July23° · 7 h
In July, Karlovy Vary is warm: daytime highs average 23 °C, and nights cool down to about 14 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 14 rainy days and 82 mm in total. All in all, July is a good month for a holiday in Karlovy Vary.
Karlovy Vary in July76August23° · 7 h
In August, Karlovy Vary is warm: daytime highs average 23 °C, and nights cool down to about 14 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 78 mm in total. All in all, August is a good month for a holiday in Karlovy Vary.
Karlovy Vary in August75September18° · 5 h
In September, Karlovy Vary is mild: daytime highs average 18 °C, and nights cool down to about 10 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 58 mm in total. All in all, September is a good month for a holiday in Karlovy Vary.
Karlovy Vary in September42October13° · 3 h
In October, Karlovy Vary is cool: daytime highs average 13 °C, and nights cool down to about 6 °C. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 10 rainy days and 49 mm in total. All in all, October is a so-so month for a holiday in Karlovy Vary.
Karlovy Vary in October20November7° · 1 h
In November, Karlovy Vary is cold: daytime highs average 7 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 1 hours a day. Rain falls on about 9 days, adding up to 44 mm. Snow falls on about 2 days. All in all, November is not an ideal month for a holiday in Karlovy Vary.
Karlovy Vary in November18December3° · 1 h
In December, Karlovy Vary is freezing cold: daytime highs average 3 °C, and nights often drop below freezing (−2 °C). The sun is scarce, with only about 1 hours a day. Precipitation, often as snow, falls on about 10 days, totalling 42 mm. Snow falls on about 4 days. All in all, December is not an ideal month for a holiday in Karlovy Vary.
Karlovy Vary in DecemberKarlovy Vary compared
Put Karlovy Vary side by side with another destination.
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Karlovy Vary vs. Mariánské Lázně
In October Karlovy Vary has the better holiday weather (score 42 vs. 35). During the day Mariánské Lázně is 1 °C cooler than Karlovy Vary.
| in October | Karlovy Vary | Mariánské Lázně |
|---|---|---|
| Holiday score | 42 | 35 |
| Daytime high | 13° | 12° |
| Sunshine | 3 h | 3 h |
| Rainy days | 10 | 11 |
| Best time | May – Sep | May – Sep |
Through the year
Czechia in October: the best places
In October, Karlovy Vary ranks 17 of 20 destinations in this country.
- Znojmo14°54
- 2Brno14°54
- 3Terezín14°52
- 4Prague14°51
- 5České Budějovice14°50
- 6Český Krumlov13°50
- 7Olomouc14°49
- 8Ústí nad Labem14°48
- 17Karlovy VaryThis page13°42
Planning a trip to Karlovy Vary
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Karlovy Vary in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Karlovy Vary has its best school-holiday weather during the summer holidays (score 75) and its weakest during the Christmas holidays (score 18).
- 43
Easter holidays
Mar – Apr
Fair
- 12 °C by day
- 5.2 h of sun a day
- 10 rainy days a month
Keep in mind: Snow
- 72
May half-term
May – Jun
Good
- 19 °C by day
- 6.9 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 75
Summer holidays
Jul – Aug
GoodBest holidays
- 23 °C by day
- 7.3 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 42
October half-term
Oct
Fair
- 13 °C by day
- 3.2 h of sun a day
- 10 rainy days a month
- 18
Christmas holidays
Dec – Jan
Poor
- 2 °C by day
- 1.3 h of sun a day
- 10 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 1 h 40 min
- Distance
- 940 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Karlovy Vary
When is the best time to visit Karlovy Vary?
The best time to visit Karlovy Vary is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Karlovy Vary?
August is the warmest month, with average highs of 23 °C and nights around 14 °C. January is the coolest month at 2 °C.
When does it rain most in Karlovy Vary?
Rain is most frequent from May to August; the wettest month is July with 82 mm. The driest month is February with 36 mm.
How many hours of sunshine does Karlovy Vary get?
Karlovy Vary gets around 1,620 hours of sunshine a year. The sunniest month is July with 7.4 hours a day; in December there are 1.1 hours a day.
What time zone is Karlovy Vary in?
Karlovy Vary uses the time zone Europe/Prague: UTC+1 in January and UTC+2 in July.
How long is the flight from London to Karlovy Vary?
A nonstop flight from London to Karlovy Vary takes about 1 h 40 min, for a straight-line distance of about 940 km.
Which school holidays are best for Karlovy Vary?
Karlovy Vary has its best school-holiday weather during the summer holidays (score 75) and its weakest during the Christmas holidays (score 18). Holiday ratings (0–100): Easter holidays 43, May half-term 72, Summer holidays 75, October half-term 42, Christmas holidays 18.
Near Karlovy Vary
Other destinations close by.
Places with a climate like Karlovy Vary
Destinations whose weather through the year is closest to Karlovy Vary's – good alternatives.