January
Weather in January
Temperature
January tends to be the coldest month, with temperatures averaging a daily high of 33.8°F and a low of 23°F.Rainfall
The month with the least rainfall is January, when the rain falls for 13 days and typically collects 1.26" of precipitation.Daylight
The average length of the day in January is 8h and 40min.On the first day of the month, sunrise is at 07:44 and sunset at 15:56. On the last day of January, sunrise is at 07:21 and sunset at 16:38 CET.
Sunshine
In January, the average sunshine in Ostrava is 2h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 1 in January translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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Average temperature in January
Ostrava, Czech Republic
- Average high temperature in January: 34°F
The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in January: 23°F
The months with the highest average low temperature are July and August (54°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average rainfall in January
Ostrava, Czech Republic
- Average rainfall in January: 1.3"
The wettest months (with the highest rainfall) are June and July (3.5").
The driest months (with the least rainfall) are January, February and March (1.3").
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).
