January weather forecast and climate
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
January, the same as December, is a wintry winter month in Zagreb, Croatia, with average temperature ranging between max 3.7°C (38.7°F) and min -3°C (26.6°F).

Temperature

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

Humidity

The average relative humidity in January is 82.5%.

Rainfall

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

Daylight

In Zagreb, the average length of the day is 9.2h.

Sunshine

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

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: In January, the average maximum UV index of 1 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

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 temperature in January in Zagreb?

In January, the average high-temperature is 3.7°C (38.7°F), and the average low-temperature is -3°C (26.6°F).

What is the average humidity in January in Zagreb?

In January, the average relative humidity is 82.5%.

How much does it rain in Zagreb in January?

In Zagreb, Croatia, in January, it is raining for 9.8 days, with typically 43.2mm (1.7") of accumulated precipitation.

How many days does it snow in January in Zagreb?

In Zagreb, during January, snow falls for 10.3 days.

What is the snowiest month in Zagreb?

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

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

The average length of the day in January in Zagreb, Croatia, is 9.2h.

How many hours of sunshine does Zagreb have in January?

The average sunshine in January in Zagreb, Croatia, is 1.8h.

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

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

How high is the UV index in January in Zagreb?

The average daily maximum UV index in January in Zagreb is 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to the Sun's UV rays.
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).

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%).

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).

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).

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).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January / Average sunshine in January - Zagreb, Croatia
  • Average daylight in January: 9.2h

The month with the longest days is June (Average daylight: 15.7h).
The month with the shortest days is December (Average daylight: 8.7h).

  • Average sunshine in January: 1.8h

The month with the most sunshine is July (Average sunshine: 8.9h).
The month with the least sunshine is December (Average sunshine: 1.6h).

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

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