Karlovy Vary weather by month & the best time to visit
Czechia · small town · continental climate

The best time to visit Karlovy Vary is June — its sunniest month (Sunshine Score 74/100), with July and August close behind. Karlovy Vary averages about 1,521 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 73 mm of rain in June.
When is the best time to visit Karlovy Vary?
For sunshine, the best time to visit Karlovy Vary is June, then July and August. The dullest month is January (0/100, 47 mm of rain). The full month-by-month picture is in the table below.
How sunny is Karlovy Vary?
Karlovy Vary isn't a sunny place by world standards: about 1,521 hours of sunshine a year. 74 Sunshine Score points separate June (74) from January (0), so the month you pick matters. It ranks #6 of 6 destinations in Czechia for annual sunshine, below the national median of 1,539 hours. The year's 662 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -1° / 30°F | -6° / 21°F | 47 mm | 0 |
| February | 0 | 1° / 34°F | -6° / 21°F | 36 mm | 1 |
| March | 0 | 6° / 43°F | -3° / 27°F | 41 mm | 2 |
| April | 33 | 13° / 55°F | 2° / 36°F | 38 mm | 3 |
| May | 56 | 17° / 63°F | 6° / 43°F | 68 mm | 4 |
| June | 74 | 21° / 70°F | 11° / 52°F | 73 mm | 5 |
| July | 73 | 24° / 75°F | 13° / 55°F | 77 mm | 5 |
| August | 73 | 24° / 75°F | 12° / 54°F | 77 mm | 4 |
| September | 64 | 18° / 64°F | 7° / 45°F | 57 mm | 3 |
| October | 26 | 12° / 54°F | 3° / 37°F | 48 mm | 2 |
| November | 0 | 5° / 41°F | -1° / 30°F | 49 mm | 1 |
| December | 0 | 1° / 34°F | -5° / 23°F | 51 mm | 0 |
Nearest destinations
Karlovy Vary: questions and answers
What kind of destination is Karlovy Vary?
Karlovy Vary is a small town in Czechia at 601 m elevation with a continental climate.
How many hours of sunshine does Karlovy Vary get a year?
Karlovy Vary gets about 1,521 hours of sunshine a year, at its best around June.
When is the best time to visit Karlovy Vary?
The sunniest time to visit Karlovy Vary is June, when the Sunshine Score peaks at 74/100 (with July and August close behind). Expect daytime highs around 21°C / 70°F.
What is the least sunny month in Karlovy Vary?
January is the least sunny month in Karlovy Vary, scoring 0/100 with about 47 mm of rain.
How strong is the sun in Karlovy Vary?
The typical midday UV index in Karlovy Vary peaks around 5 (moderate) in June, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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