Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
April
Weather in April
Temperature
April's onset brings a rise in the average high-temperature, moving from a chilly 6.8°C (44.2°F) in March to a refreshing 13.4°C (56.1°F). Throughout April, an average low-temperature of 3.7°C (38.7°F) is expected in Kostelecké Horky.Humidity
In Kostelecké Horky, the average relative humidity in April is 74%.Rainfall
April is the month with the least rainfall. Rain falls for 11.2 days and accumulates 21mm (0.83") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Kostelecké Horky, in April, snow falls for 1.8 days, with typically accumulated 17mm (0.67") of snow. Throughout the year, there are 55.1 snowfall days, and 436mm (17.17") of snow is accumulated.Daylight
In Kostelecké Horky, the average length of the day in April is 13h and 48min.On the first day of the month, sunrise is at 06:30 and sunset at 19:27. On the last day of April, sunrise is at 05:31 and sunset at 20:12 CEST.
Sunshine
In April, the average sunshine is 9.1h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, a regular UV index of 4 translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
What is the driest month?
How much does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Kostelecké Horky have in April?
How high is the UV index in April?
Average temperature in April
Kostelecké Horky, Czech Republic
- Average high temperature in April: 13.4°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (-0.5°C).
- Average low temperature in April: 3.7°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is January (-5.3°C).
Average pressure in April
Kostelecké Horky, Czech Republic
- Average pressure in April: 1015.7mbar
The months with the highest atmospheric pressure are October and December (1018.6mbar).
The month with the lowest atmospheric pressure is July (1015mbar).
Average wind speed in April
Kostelecké Horky, Czech Republic
- Average wind speed in April: 12.4km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in April
Kostelecké Horky, Czech Republic
- Average humidity in April: 74%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (72%).
Average rainfall in April
Kostelecké Horky, Czech Republic
- Average rainfall in April: 21mm
The wettest month (with the highest rainfall) is June (65mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in April
Kostelecké Horky, Czech Republic
- Average rainfall days in April: 11.2 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (7 days).
Average snowfall in April
Kostelecké Horky, Czech Republic
- Average snowfall in April: 17mm
The month with the highest snowfall is January (138mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Kostelecké Horky, Czech Republic
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Kostelecké Horky, Czech Republic
- Average daylight in April: 13h and 5min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in April: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in April
Kostelecké Horky, Czech Republic
- Average sunshine days in April: 15.3 days
The month with the most sunshine days is October (18.7 days).
The months with the least sunshine days are May and December (11 days).
Average UV index in April
Kostelecké Horky, Czech Republic
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in April
Kostelecké Horky, Czech Republic
- Average cloud cover in April: 39
The months with the most cloud cover are January and December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in April
Kostelecké Horky, Czech Republic
- Average visibility in April: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).
