Day
24 °C
Night
12 °C
Precipitation
103 mm
in month
Rainy days
13 days
in month
Daylight
16 hours
average
Sunshine
7 hours
average
Humidity
74 %
Average daily temperature during the week of 2 June 2025 - 8 June 2025 was 22 °C (72 °F), average minimal (night) temperature was 14 °C (57 °F). These temperatures are roughly same as the long-time average for Cesky Krumlov, being 21 °C (70 °F) for daily temperatures and 9 °C (48 °F) for night temperatures. The hottest day of the week was Wednesday in the middle of the week. On average, the temperatures during various times of day (in local time) were recorded as: 7am 16 °C (61 °F), 10am 19 °C (66 °F), 1pm 21 °C (70 °F), 4pm 21 °C (70 °F), 7pm 20 °C (68 °F), 10pm 16 °C (61 °F).
There were 3 days with light rain and 4 days with moderate rain during this week. During the whole week, total of 62 mm (2.44 in) of precipitation was observed, which is above the long term average for Cesky Krumlov, which is 20 mm (0.79 in). On average, the cloud coverage during daylight hours (from dawn to dusk) was 81 %.
The wind's speed averaged 2.9 m/s. Prevailing wind direction(s) was South-West. The air pressure varied between 1007 hpa and 1020 hpa. The air in Cesky Krumlov had an average humidity of 77 %.
On average, there were 1 hour clear skies, 3.5 hours partially overcast skies, 9.5 hours overcast skies and 3 hours rainy weather during the daytime (from dawn to dusk). Average time of sunrise was 05:01, average time of sunset was 21:01.
The serene town of Český Krumlov in Czechia boasts a generally moderate climate. Daily temperatures fluctuate between a cool 2 °C (36 °F) in the chill of January to a pleasant 24 °C (75 °F) in the warmth of July. The driest month in the region is October, seeing only 9 days of rainfall, while June is characterized by more frequent precipitation, amounting to 14 days of rain. The warmest nights occur in July, where the thermometer can reach 12 °C (53 °F), contrasted by the coldest nights in January when temperatures plunge to -5 °C (23 °F).
During January, the daytime temperature hits its low at 2 °C (36 °F) in Český Krumlov, while the nighttime temperature also reaches its low, recording -5 °C (23 °F).
In February, the daytime temperature starts to rise, currently at 4 °C (38 °F). In Český Krumlov, rain is less frequent with an overall rainfall of 46 mm (1.83 in), and a decrease in rainy days starting at 10 days. The number of cloudless sun hours begins to increase, currently at 3 hours.
March heralds a rise in daytime temperatures to 8 °C (47 °F) in Český Krumlov, while nighttime temperatures start to warm, currently at -2 °C (29 °F). An increase in rainy days is observed, now at 10 days, along with the start of a rise in rainfall, now at 64 mm (2.51 in). Wind speeds peak, reaching 3 m/s, and there is a noticeable increase in sun hours without clouds, now at 4 hours.
April's number of rainy days starts to decrease, currently at 10 days in Český Krumlov, and the decline in rainfall begins as well, now measuring 49 mm (1.93 in). Daytime temperatures continue to rise, reaching 14 °C (57 °F), and nighttime temperatures rise as well, with a reading of 2 °C (35 °F). The sun's presence increases comparably to the prior month, now at 5 hours.
May brings further warming, with daytime temperatures at 19 °C (66 °F), and nighttime temperatures also showing a similar rise, recording 7 °C (44 °F). In Český Krumlov, the initial increase in rainy days is seen, currently at 12 days, while the rise in rainfall marks its beginning as well. The tourist season nears its commencement, marked by the lowest levels of humidity for the month.
The bustling tourist season continues in June with rising temperatures, recording 22 °C (71 °F) by day and 10 °C (50 °F) at night. Český Krumlov's maximum number of rainy days is apparent, now at 14 days, while the increase in rainfall persists, now at 91 mm (3.57 in). Day length reaches its peak this month.
In July, Český Krumlov witnesses its highest daytime temperatures, recording 24 °C (75 °F), and nighttime temperatures also hit their peak, showing 12 °C (53 °F). July also sees the summit of rainfall volume for the year. The tourist season approaches its zenith, and the supreme numbers of sun hours without clouds become apparent, now at 7 hours. The wind speed dips to its annual low this month.
August's tourist season peaks as the number of rainy days begins to ebb, now at 11 days, and the amount of rainfall also dwindles, currently at 90 mm (3.56 in). The decline in night temperatures starts to become evident, currently at 11 °C (52 °F), alongside the start of the descent in daytime temperatures, now at 23 °C (74 °F). The sun's hours start to lessen as well, with a count of 6 hours.
The descending number of rainy days is noticeable in September, now at 9 days, and rainfall also shows a decline. Witness the downturn in daytime temperatures to 18 °C (65 °F), and the cool down of nighttime temperatures, now at 7 °C (45 °F). The transition to fewer sun hours compared to the previous month is evident.
Český Krumlov experiences a further drop in daytime temperatures, now at 13 °C (55 °F), with nighttime temperatures following suit, recording 4 °C (38 °F). The rainfall recedes, standing at 52 mm (2.03 in), and the fewest rainy days of the year are noted. The number of sun hours continues to decline, resting at 4 hours.
A noticeable downtrend in daytime temperatures continues in November, registering 6 °C (43 °F), and the nighttime temperatures also show a decline, registering 0 °C (31 °F). The start of an increase in rainy days is detected during this month. The dwindling number of sun hours is also apparent, standing at 2 hours.
December sees a similar drop in daytime temperatures as the preceding month, now at 2 °C (36 °F), while the nighttime temperatures also decrease further, now at -3 °C (26 °F). An uptick in rainy days is observed, reaching 11 days, and the gradual rise in rainfall begins to be recognized, resting at 64 mm (2.53 in). The fewest sun hours of the year are observed, now at 2 hours, and the peak of humidity is recorded at 83 %.
In January, the daytime temperature in Český Krumlov falls to a minimum of 2 °C (36 °F).
February sees a total rainfall of 46 mm (1.83 in) in Český Krumlov.
March experiences the highest wind speeds in Český Krumlov, at about 3 m/s.
April offers an approximate 5 hours of sunshine each day in Český Krumlov.
The tourist season in Český Krumlov edges closer as the day warms to 19 °C (66 °F) and humidity reaches its monthly low.
In June, the days in Český Krumlov are at their longest, providing ample daylight for various activities.
Nighttime in July is comfortably warm in Český Krumlov, offering average temperatures around 12 °C (53 °F).
The number of sun hours per day begins to decrease in August, signaling the end of peak summer in Český Krumlov.
Absolutely, with reduced rainfall and pleasant 18 °C (65 °F) daytime temperatures, September is ideal for outdoor pursuits in Český Krumlov.
October in Český Krumlov presents fewer rainy days and cooler temperatures, marking a seasonal transition.
November in Český Krumlov is characterized by fewer sun hours, indicating generally cloudier days.
Humidity levels in Český Krumlov peak in December, adding to the cold winter atmosphere.