January weather forecast
Karlovy Vary, Czech Republic

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Weather in January

Karlovy Vary starts the year on a cold note, with freezing temperatures and consistent occurrences of snow. The climate remains mainly desolate, the sun peeking out for short periods amounting to 2 hours daily on an average. Winter in this Czech town displays an extremity as the mercury dips as low as -6°C (21.2°F). Ice transforms the thermal city into a winter wonderland, reflecting the miniscule amount of sunlight within its icy surfaces. Travellers are often advised to equip themselves with winter gear to navigate through the chill.

Temperature

Karlovy Vary's January weather, with an average high temperature of -1°C (30.2°F) and an average low temperature of -6°C (21.2°F), tends to be the coldest of the year.

Rainfall

In Karlovy Vary, in January, it is raining for 16 days, with typically 53mm (2.09") of accumulated precipitation. Throughout the year, there are 178 rainfall days, and 652mm (25.67") of precipitation is accumulated.

Daylight

The average length of the day in January in Karlovy Vary is 8h and 37min.
On the first day of the month, sunrise is at 08:07 and sunset at 16:15. On the last day of January, sunrise is at 07:44 and sunset at 16:59 CET.

Sunshine

The average sunshine in January in Karlovy Vary 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 minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the UV index of 1 transforms into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

What is the coldest time of year in Karlovy Vary?

The coldest period in Karlovy Vary is January, when temperatures fluctuate between an average high of -1°C (30.2°F) and a low of -6°C (21.2°F).

How cold is it in Karlovy Vary in January?

The high-temperature, in January, in Karlovy Vary, records -1°C (30.2°F), while the low-temperature is -6°C (21.2°F).

How much does it rain in Karlovy Vary in January?

In Karlovy Vary, Czech Republic, during January, the rain falls for 16 days and regularly aggregates up to 53mm (2.09") of precipitation.

What is the average length of the day in January in Karlovy Vary?

In January, the average day length in Karlovy Vary is 8h and 37min.

What time are sunrise and sunset in January in Karlovy Vary?

In January, on the first day of the month, sunrise is at 08:07 and sunset at 16:15. On the last day of the month, in Karlovy Vary, Czech Republic, sunrise is at 07:44 and sunset at 16:59 CET.

How many hours of sunshine does Karlovy Vary have in January?

In January, the average sunshine duration in Karlovy Vary, Czech Republic, is 2h.

What is the month with the lowest UV index in Karlovy Vary?

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

What is the UV index reading in January in Karlovy Vary?

In January, the average daily maximum UV index in Karlovy Vary, Czech Republic, is 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in January
Karlovy Vary, Czech Republic

Average temperature in January - Karlovy Vary, Czech Republic
  • Average high temperature in January: -1°C

The warmest months (with the highest average high temperature) are July and August (21°C).
The month with the lowest average high temperature is January (-1°C).

  • Average low temperature in January: -6°C

The months with the highest average low temperature are July and August (10°C).
The coldest month (with the lowest average low temperature) is January (-6°C).

Average rainfall in January
Karlovy Vary, Czech Republic

Average rainfall in January - Karlovy Vary, Czech Republic
  • Average rainfall in January: 53mm

The wettest month (with the highest rainfall) is June (69mm).
The driest months (with the least rainfall) are February and October (43mm).

Average rainfall days in January
Karlovy Vary, Czech Republic

Average rainfall days in January - Karlovy Vary, Czech Republic
  • Average rainfall days in January: 16 days

The month with the highest number of rainy days is December (17 days).
The month with the least rainy days is October (13 days).

Average daylight in January /
Average sunshine in January
Karlovy Vary, Czech Republic

Average daylight in January / Average sunshine in January - Karlovy Vary, 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 6min).

  • Average sunshine in January: 2h

The months with the most sunshine are June and July (Average sunshine: 7h).
The month with the least sunshine is December (Average sunshine: 1h).

Average UV index in January
Karlovy Vary, Czech Republic

Average UV index in January - Karlovy Vary, 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).

Karlovy Vary, Czech Republic

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