January weather forecast
Zagreb, Croatia

The iconic buildings of the cathedral in Zagreb, Croatia in an early autumn morning
The iconic buildings of the cathedral in Zagreb, Croatia in an early autumn morning

Weather in January

January, like December, in Zagreb, Croatia, is another cold winter month, with an average temperature varying between -3°C (26.6°F) and 3.7°C (38.7°F).

Temperature

With an average high-temperature of 3.7°C (38.7°F) and an average low-temperature of -3°C (26.6°F), January is the coldest month.

Humidity

The average relative humidity in January in Zagreb is 82.5%.

Rainfall

In January, in Zagreb, the rain falls for 9.8 days. Throughout January, 43.2mm (1.7") of precipitation is accumulated. In Zagreb, during the entire year, the rain falls for 135.6 days and collects up to 840mm (33.07") of precipitation.

Snowfall

Months with snowfall are January through April, November and December. January has the most snowfall days of the year. Snow falls for 10.3 days.

Daylight

The average length of the day in January is 9h and 9min.
On the first day of the month, sunrise is at 07:37 and sunset at 16:22. On the last day of January, sunrise is at 07:18 and sunset at 17:00 CET.

Sunshine

In January, the average sunshine in Zagreb is 1.8h.

UV index

The months with the lowest UV index in Zagreb, Croatia, are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 1 in January transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Zagreb?

January is the coldest month in Zagreb, Croatia, with an average high-temperature of 3.7°C (38.7°F) and an average low-temperature of -3°C (26.6°F).

What is the average humidity in January in Zagreb?

In Zagreb, Croatia, the average relative humidity in January is 82.5%.

How many days does it rain in January in Zagreb?

In January, in Zagreb, Croatia, the rain falls for 9.8 days. Throughout January, 43.2mm (1.7") of precipitation is accumulated.

What is the snowiest month in Zagreb?

January has the most snowfall days of the year in Zagreb. Snow falls for 10.3 days.

How many days does it snow in January in Zagreb?

In January, in Zagreb, Croatia, snow falls for 10.3 days.

What is the average length of the day in January in Zagreb?

The average day length in January in Zagreb is 9h and 9min.

What time are sunrise and sunset in January in Zagreb?

On the first day of January, sunrise is at 07:37 and sunset at 16:22. On the last day of the month, sunrise is at 07:18 and sunset at 17:00 CET.

How many hours of sunshine does Zagreb have in January?

In Zagreb, the average sunshine duration in January is 1.8h.

What are the months with the lowest UV index in Zagreb?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in January in Zagreb?

In Zagreb, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in January
Zagreb, Croatia

Average temperature in January - Zagreb, Croatia
  • Average high temperature in January: 3.7°C

The warmest month (with the highest average high temperature) is July (26.7°C).
The month with the lowest average high temperature is January (3.7°C).

  • Average low temperature in January: -3°C

The month with the highest average low temperature is July (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3°C).

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Average humidity in January
Zagreb, Croatia

Average humidity in January - Zagreb, Croatia
  • Average humidity in January: 82.5%

The month with the highest relative humidity is December (84.8%).
The month with the lowest relative humidity is April (67.5%).

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Average rainfall in January
Zagreb, Croatia

Average rainfall in January - Zagreb, Croatia
  • Average rainfall in January: 43.2mm

The wettest month (with the highest rainfall) is June (95.3mm).
The driest month (with the least rainfall) is February (38.9mm).

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Average rainfall days in January
Zagreb, Croatia

Average rainfall days in January - Zagreb, Croatia
  • Average rainfall days in January: 9.8 days

The month with the highest number of rainy days is June (13.7 days).
The month with the least rainy days is February (9.4 days).

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Average snowfall days in January
Zagreb, Croatia

Average snowfall days in January - Zagreb, Croatia
  • Average snowfall days in January: 10.3 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Zagreb, Croatia

Average daylight in January / Average sunshine in January - Zagreb, Croatia
  • Average daylight in January: 9h and 9min

The month with the longest days is June (Average daylight: 15h and 40min).
The month with the shortest days is December (Average daylight: 8h and 44min).

  • Average sunshine in January: 1h and 48min

The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).

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Average UV index in January
Zagreb, Croatia

Average UV index in January - Zagreb, Croatia
  • Average UV index in January: 1

The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).

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