Weather in January
Temperature
Ostrava records the coldest temperatures in January, averaging a high of 1°C (33.8°F) and a low of -5°C (23°F).Rainfall
The month with the least rainfall is January, when the rain falls for 13 days and typically collects 32mm (1.26") of precipitation.Daylight
In January, the average length of the day is 8h and 40min.On the first day of January, sunrise is at 07:44 and sunset at 15:56. On the last day of the month, sunrise is at 07:21 and sunset at 16:38 CET.
Sunshine
The average sunshine in January is 2h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Ostrava, Czech Republic. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 1 during January, leads to the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What are the coldest months in Ostrava?
How cold is it in Ostrava in January?
What is the driest month in Ostrava?
How much does it rain in Ostrava in January?
What is the average length of the day in January in Ostrava?
What time are sunrise and sunset in January in Ostrava?
How long on average sun shines in January in Ostrava?
When is the lowest UV index in Ostrava?
What is the UV index reading in January in Ostrava?
Average temperature in January
Ostrava, Czech Republic
- Average high temperature in January: 1°C
The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (1°C).
- Average low temperature in January: -5°C
The months with the highest average low temperature are July and August (12°C).
The coldest month (with the lowest average low temperature) is January (-5°C).
Average rainfall in January
Ostrava, Czech Republic
- Average rainfall in January: 32mm
The wettest month (with the highest rainfall) is July (90mm).
The driest month (with the least rainfall) is January (32mm).
Average rainfall days in January
Ostrava, Czech Republic
- Average rainfall days in January: 13 days
The month with the highest number of rainy days is June (16 days).
The months with the least rainy days are February, March, September and October (12 days).
Average daylight in January /
Average sunshine in January
Ostrava, Czech Republic
- Average daylight in January: 8h and 4min
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 January: 2h
The months with the most sunshine are May, June, July and August (Average sunshine: 7h).
The month with the least sunshine is December (Average sunshine: 1h).
Average UV index in January
Ostrava, Czech Republic
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 1).
Ostrava, Czech Republic
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