Semily Weather and Climate: A Comprehensive Guide
The climate in Semily is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to very cold in the cooler months.
It receives a moderate amount of precipitation.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
In Semily, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 24°C in August to a very cold 2°C in January.
Nighttime temperatures can drop, with average lows reaching -4°C in January. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
On average, Semily receives a reasonable amount of rain/snowfall, with an annual precipitation of 941 mm. The amount of precipitation varies moderately throughout the year. The wettest month, July, sees around 110 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, April, still receives a respectable 55 mm of rainfall.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Average humidity
The relative humidity is high throughout the year in Semily.
The city experiences its highest humidity in December, reaching 85%. In April, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
overcast and no rain overcast and no rain broken clouds and no rainForecast for Semily
3 m/s
2 m/s
1 m/s
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Semily in Czech Republic
During the months of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
August has an average maximum temperature of 24°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 2°C.
July tops the wettest month list with 110 mm of rainfall.
April is the driest month with 55 mm of precipitation.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
