Weather in May
Temperature
Rijeka's weather in May presents a rise in the average high-temperature, moving from a refreshing 15.9°C (60.6°F) in April to a pleasant 21.1°C (70°F). Rijeka experiences an average nighttime temperature of 12.8°C (55°F) in the month of May.Humidity
The average relative humidity in May is 63.7%.Rainfall
In Rijeka, in May, during 12.5 rainfall days, 103mm (4.06") of precipitation is typically accumulated. Throughout the year, there are 130.3 rainfall days, and 1552mm (61.1") of precipitation is accumulated.Snowfall
In Rijeka, snow does not fall in April through November.Sea temperature
In Rijeka, the average seawater temperature in May is 18°C (64.4°F).Note: For most, swimming in 18°C (64.4°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Rijeka, the average length of the day in May is 14h and 54min.On the first day of May in Rijeka, sunrise is at 05:49 and sunset at 20:08. On the last day of the month, sunrise is at 05:17 and sunset at 20:42 CEST.
Sunshine
In May, the average sunshine in Rijeka is 7.5h.UV index
In Rijeka, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 7 during May leads to these advisories:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What is the temperature in May in Rijeka?
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When it does not snow in Rijeka?
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How many hours of sunshine does Rijeka have in May?
What is the UV index intensity in May in Rijeka?
Average temperature in May
Rijeka, Croatia
- Average high temperature in May: 21.1°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 May: 12.8°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 May
Rijeka, Croatia
- Average humidity in May: 63.7%
The month with the highest relative humidity is October (67.4%).
The month with the lowest relative humidity is August (56%).
Average rainfall in May
Rijeka, Croatia
- Average rainfall in May: 103.3mm
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 May
Rijeka, Croatia
- Average rainfall days in May: 12.5 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 May
Rijeka, Croatia
- Average snowfall days in May: 0 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 May
Rijeka, Croatia
- Average sea temperature in May: 18°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 May /
Average sunshine in May
Rijeka, Croatia
- Average daylight in May: 14h and 5min
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 May: 7h and 3min
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 May
Rijeka, Croatia
- Average UV index in May: 7
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).
Rijeka, Croatia
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