Climate averages 1991–2020

Rijeka weather
in July.

A warm, moderately wet month: the 2nd warmest and the driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 27.6°C Daytime mean, July

Average low 18.9°C Night-time mean, July

Rainfall 77 mm 10 days with ≥1 mm

Daylight 15 h Sunrise to sunset, per day

July is a warm month in Rijeka: daytime highs average 27.6°C and nights cool to about 18.9°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 77 mm of rain on roughly 10 days, which makes July a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 15 h 17 min on an average July day.

The nearest other city in this atlas is Trieste (63 km away). In July its highs average 27.4°C, about as warm as Rijeka, with 87 mm of rain.

Among the 4 cities listed in Croatia, Rijeka ranks 3rd of 4 for the warmest July highs and joint 3rd of 4 for the driest July (rainfall, lowest first). The mean July high of those 4 cities is 28.0°C; Rijeka is 0.4°C cooler than that mean.

From July to August, average highs rise by 0.3°C to 27.9°C, and monthly rainfall rises from 77 mm to 90 mm.

The annual picture

July in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Rijeka climate table

1991–2020

Monthly climate averages for Rijeka, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	6.8°C0.7°C	0.7°C	122	11.5	9.29 h
February	8.1°C0.9°C	0.9°C	128	10.8	10.410 h
March	12.1°C4.0°C	4.0°C	123	11.6	11.912 h
April	16.5°C8.1°C	8.1°C	114	13.0	13.513 h
May	20.7°C12.6°C	12.6°C	120	13.7	14.915 h
June	24.9°C16.7°C	16.7°C	94	12.0	15.616 h
July, selected	27.6°C18.9°C	18.9°C	77	10.0	15.315 h
August	27.9°C19.0°C	19.0°C	90	8.7	14.114 h
September	22.3°C14.8°C	14.8°C	177	11.8	12.613 h
October	17.3°C10.7°C	10.7°C	208	13.4	11.011 h
November	12.2°C6.5°C	6.5°C	223	14.4	9.610 h
December	7.7°C2.0°C	2.0°C	169	12.2	8.89 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

July in nearby cities

Distance from Rijeka

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Rijeka) is explained once on the Rijeka year overview and on the Sources, method and limits page.