Rijeka(Omišalj) weather by month & the best time to visit
Croatia · beach resort · humid subtropical climate
The best time to visit Rijeka(Omišalj) is July — its sunniest month (Sunshine Score 81/100), with June and August close behind. Rijeka(Omišalj) averages about 2,004 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 51 mm of rain in July.
When is the best time to visit Rijeka(Omišalj)?
For sunshine, the best time to visit Rijeka(Omišalj) is July, then June and August. The dullest month is January (0/100, 86 mm of rain). The full month-by-month picture is in the table below.
How sunny is Rijeka(Omišalj)?
Rijeka(Omišalj) gets a moderate 2,004 hours of sunshine a year. 81 Sunshine Score points separate July (81) from January (0), so the month you pick matters. It ranks #8 of 8 destinations in Croatia for annual sunshine, below the national median of 2,288 hours. The year's 1,089 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | 8° / 46°F | 4° / 39°F | 86 mm | 1 | 14° / 57°F |
| February | 6 | 9° / 48°F | 4° / 39°F | 93 mm | 1 | 13° / 55°F |
| March | 25 | 12° / 54°F | 7° / 45°F | 77 mm | 2 | 13° / 55°F |
| April | 51 | 16° / 61°F | 10° / 50°F | 72 mm | 4 | 15° / 59°F |
| May | 74 | 20° / 68°F | 15° / 59°F | 88 mm | 5 | 19° / 66°F |
| June | 78 | 24° / 75°F | 19° / 66°F | 66 mm | 6 | 23° / 73°F |
| July | 81 | 27° / 81°F | 21° / 70°F | 51 mm | 6 | 27° / 81°F |
| August | 77 | 27° / 81°F | 21° / 70°F | 72 mm | 6 | 27° / 81°F |
| September | 68 | 23° / 73°F | 17° / 63°F | 122 mm | 4 | 23° / 73°F |
| October | 58 | 18° / 64°F | 13° / 55°F | 114 mm | 2 | 19° / 66°F |
| November | 32 | 14° / 57°F | 10° / 50°F | 140 mm | 1 | 17° / 63°F |
| December | 12 | 10° / 50°F | 6° / 43°F | 108 mm | 1 | 15° / 59°F |
Sea temperature in Rijeka(Omišalj) by month
The sea off Rijeka(Omišalj) is warmest in July at around 27°C / 81°F, and coolest in February at 13°C / 55°F. The water sits at a comfortable 21°C or warmer roughly 4 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Head-to-head
How Rijeka(Omišalj) compares month by month: Rijeka(Omišalj) vs Zagreb · Rijeka(Omišalj) vs Ljubljana · Rijeka(Omišalj) vs Trieste · Rijeka(Omišalj) vs Zadar · all comparisons
Rijeka(Omišalj): questions and answers
What kind of destination is Rijeka(Omišalj)?
Rijeka(Omišalj) is a beach resort in Croatia with a humid subtropical climate — the sea reaches 27°C at its warmest and is swimmable (21°C+) about 4 months a year.
How many hours of sunshine does Rijeka(Omišalj) get a year?
Rijeka(Omišalj) gets about 2,004 hours of sunshine a year, at its best around July.
When is the best time to visit Rijeka(Omišalj)?
The sunniest time to visit Rijeka(Omišalj) is July, when the Sunshine Score peaks at 81/100 (with June and August close behind). Expect daytime highs around 27°C / 81°F.
What is the least sunny month in Rijeka(Omišalj)?
January is the least sunny month in Rijeka(Omišalj), scoring 0/100 with about 86 mm of rain.
What is the sea temperature in Rijeka(Omišalj)?
The sea in Rijeka(Omišalj) ranges from about 13°C (February) to 27°C (July). Month-by-month sea temperatures are on this page.
How strong is the sun in Rijeka(Omišalj)?
The typical midday UV index in Rijeka(Omišalj) peaks around 6 (high) in June, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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