December weather forecast
Ostrava, Czech Republic

englishespañol中文
Share

Weather in December

In December, Ostrava dives into a full winter mode. With temperatures dropping to lows of -3°C (26.6°F), the city starts seeing frequent snow flurries. The weather during this month bears striking similarity to January. The spectral white layer of snow lends an inescapable charm to the cityscape. Holiday lights on streets and homes bring warmth and joy, often contrasting with the longer nights and shorter days of the year.

Temperature

A change in temperatures is noted as November gives way to December, with average highs reducing from a chilly 7°C (44.6°F) to a cold 2°C (35.6°F). December nights in Ostrava register a minor temperature decline, steadying at a freezing cold -3°C (26.6°F).

Rainfall

In Ostrava, Czech Republic, in December, it is raining for 14 days, with typically 39mm (1.54") of accumulated precipitation. Throughout the year, there are 162 rainfall days, and 684mm (26.93") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 12min of daylight.
On the first day of December, sunrise is at 07:23 and sunset at 15:48. On the last day of the month, sunrise is at 07:44 and sunset at 15:55 CET.

Sunshine

With an average of 1h of sunshine, December has the least sunshine of the year in Ostrava, Czech Republic.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 1 suggests these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
[Resources]

Frequently asked questions

How cold is it in Ostrava in December?

Ostrava in December has an average high-temperature of 2°C (35.6°F) and an average low-temperature of -3°C (26.6°F).

How many days does it rain in December in Ostrava?

In Ostrava, Czech Republic, in December, it is raining for 14 days, with typically 39mm (1.54") of accumulated precipitation.

What is the month with the shortest days in Ostrava?

December has the shortest days of the year, with an average of 8h and 12min of daylight.

What is the average length of the day in December in Ostrava?

In Ostrava, Czech Republic, the average day length in December is 8h and 11min.

What time are sunrise and sunset in December in Ostrava?

In December, on the first day of the month, sunrise is at 07:23 and sunset at 15:48. On the last day of the month, in Ostrava, Czech Republic, sunrise is at 07:44 and sunset at 15:55 CET.

What is the month with the least sunshine in Ostrava?

December has the least sunshine of the year in Ostrava, Czech Republic, with an average of 1h of sunshine.

How long on average sun shines in December in Ostrava?

In December, the average sunshine duration in Ostrava is 1h.

When is the lowest UV index in Ostrava?

The months with the lowest UV index in Ostrava, Czech Republic, are January, February, November and December, with an average maximum UV index of 1.

How high is the UV index in December in Ostrava?

In Ostrava, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average high temperature
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in December
Ostrava, Czech Republic

Average temperature in December - Ostrava, Czech Republic
  • Average high temperature in December: 2°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 December: -3°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).

[Resources]

Average rainfall in December
Ostrava, Czech Republic

Average rainfall in December - Ostrava, Czech Republic
  • Average rainfall in December: 39mm

The wettest month (with the highest rainfall) is July (90mm).
The driest month (with the least rainfall) is January (32mm).

[Resources]

Average rainfall days in December
Ostrava, Czech Republic

Average rainfall days in December - Ostrava, Czech Republic
  • Average rainfall days in December: 14 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).

[Resources]

Average daylight in December /
Average sunshine in December
Ostrava, Czech Republic

Average daylight in December / Average sunshine in December - Ostrava, Czech Republic
  • Average daylight in December: 8h and 1min

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 December: 1h

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).

[Resources]

Average UV index in December
Ostrava, Czech Republic

Average UV index in December - Ostrava, Czech Republic
  • Average UV index in December: 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).

[Resources]

Ostrava, Czech Republic

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location