January weather forecastRijeka, Croatia
January
Weather in January
In Rijeka, the first month of the year usually brings mild conditions with relative humidity averaging 65.1%. Daylight levels are relatively low, contributing to the mild chill in the air. Rainfall is often expected due to prevailing atmospherical conditions, while the mountains surrounding the city are more likely to experience snowfall. The intense and vibrant sea temperature acts as a buffer against the colder weather, with measurements averaging 11.4°C (52.5°F). Despite the cool conditions, January is seen as a beautiful month where the city is quieter, and the streets are less crowded.Temperature
In Rijeka, January is the month with the lowest recorded average temperatures, measuring a high of 9.1°C (48.4°F) and a low of 2.9°C (37.2°F).Humidity
The average relative humidity in January in Rijeka is 65.1%.Rainfall
In Rijeka, during January, the rain falls for 10.7 days and regularly aggregates up to 129mm (5.08") of precipitation. In Rijeka, during the entire year, the rain falls for 130.3 days and collects up to 1552mm (61.1") of precipitation.Snowfall
January through March and December are months with snowfall. The month with the most snowfall days in Rijeka, Croatia, is January, when snow falls for 0.8 days.Sea temperature
In January, the average sea temperature is 11.4°C (52.5°F).Note: Engaging in a swim in 11.4°C (52.5°F) can threaten life. Brief exposure to 13°C (55.4°F) waters is uneasy, and submersion below 10°C (50°F) can lead to cold shock and disrupted breathing patterns, varying by individual.
Daylight
In Rijeka, the average length of the day in January is 9h and 12min.On the first day of the month, sunrise is at 07:41 and sunset at 16:29. On the last day of January, sunrise is at 07:24 and sunset at 17:06 CET.
Sunshine
The average sunshine in January is 3.6h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 1 during January translates into the following guidance:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Rijeka, Croatia
- Average high temperature in January: 9.1°C
The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (9.1°C).
- Average low temperature in January: 2.9°C
The months with the highest average low temperature are July and August (18.6°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average humidity in January
Rijeka, Croatia
- Average humidity in January: 65.1%
The month with the highest relative humidity is October (67.4%).
The month with the lowest relative humidity is August (56%).
Average rainfall in January
Rijeka, Croatia
- Average rainfall in January: 128.7mm
The wettest month (with the highest rainfall) is October (203.9mm).
The driest month (with the least rainfall) is July (70.1mm).
Average rainfall days in January
Rijeka, Croatia
- Average rainfall days in January: 10.7 days
The month with the highest number of rainy days is April (12.6 days).
The month with the least rainy days is February (8.5 days).
Average snowfall days in January
Rijeka, Croatia
- Average snowfall days in January: 0.8 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in January
Rijeka, Croatia
- Average sea temperature in January: 11.4°C
The best month for swimming (with the highest average sea temperature) is August (24.9°C).
The coldest month (with the lowest average sea temperature) is February (10.7°C).
Average daylight in January /
Average sunshine in January
Rijeka, Croatia
- Average daylight in January: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 3h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average UV index in January
Rijeka, 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 and December (UV index 1).
