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Opatija weather in January

Weather in Opatija: January

Average day temperature: 42.3°F
Average night temperature: 35.4°F
Sea water temperature: 53.1°F
Number of sunny days: 12 days
Day length: 8.8 - 9.7 hours
Number of rainy days: 6 days
Precipitation totals: 3.7 in.

Air temperature in January, °F

Show year:
2025
2024
2023

The highest day temperature during January of 2025 was 52°F. At the same time the lowest night temperature was 26°F. Daily and nightly averages during January were 45.1°F and 38.4°F.

Sea water temperature in Opatija in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 53.6°F. The highest and lowest sea temperatures during the month were 55.2°F and 52.0°F.

Sunny, partly cloudy and cloudy days

Mostly all days in January are sunny but cloudy days are also possible.

Precipitation total in January, in.

Precipitation total value in Opatija in January is 3.7 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 7.8 mph It makes January one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 4.6.

Best time for vacation in Opatija

Sunniest months:
August 23 days
July 21 days
June 20 days
Warmest months:
August 79.9 °F
July 79.7 °F
June 75.6 °F
Warmest sea temp:
August 76.0 °F
July 75.7 °F
September 71.3 °F
Coldest months:
January 42.3 °F
February 43.9 °F
December 44.8 °F
Rainiest months:
May 7 days
November 6 days
July 6 days
Windiest months:
February 8.6 mph
March 8.0 mph
November 7.8 mph

Opatija on a weather map

Opatija
+39°F
SW 4 mph
Feels like: +36°F
Precip.: 0%
Places in Croatia:
Name
°F
+54°F
+54°F
+55°F
+41°F
+50°F
+48°F
+50°F
+46°F
+54°F
+48°F
+48°F
+39°F
+48°F
+54°F
+54°F
24 Hours Forecast
Opatija
Local time: 07:15
December 05, friday
0900
39°F
SW
5 mph
1200
43°F
SW
6 mph
1500
48°F
SW
7 mph
1800
45°F
SW
7 mph
2100
45°F
SW
8 mph
December 06, saturday
0000
39°F
SW
8 mph
0300
41°F
SW
7 mph
0600
41°F
SW
7 mph

Best place for vacation:

Units of measurement: °C / °F