Croatia
Zadar in May: weather, sea & travel advice
This month's data profile
Strong month under the current formula
Zadar in May is climatically well suited to city breaks and active holidays and hiking. The average daily high is around 20 °C, and the sea is about 18 °C. With about 10 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
68/100 · #5
Warmth
#5
Dryness
#6
Sun
#4
Sea warmth
#7
Published best categories: City break, Active
Zadar · MayPhoto: dronepicr · CC BY 2.0Climate facts
- Average high
- 20 °C
- Average low
- 16 °C
- Sea
- 18 °C
- Rainy days (est.)
- 10 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 73 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| April | 16 | 12 | 11 | 69 | 5.7 | 75 | 3.5 | 14 | 49 |
| May (selected) | 20 | 16 | 10 | 65 | 7.1 | 73 | 3.1 | 18 | 68 |
| June | 25 | 20 | 8 | 47 | 8.1 | 68 | 2.8 | 22 | 87 |
How do the previous and next months compare?
Baseline: May (68/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| April | -19 | -4.3 °C | -4.2 °C | +0.9 | +4 mm | -1.4 h | +1.8 % | +0.5 m/s | -3.4 °C |
| June | +19 | +4.6 °C | +4.3 °C | -2 | -17.8 mm | +1 h | -4.9 % | -0.3 m/s | +4.3 °C |
All twelve months in context

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Useful next decisions
Frequently asked questions
How warm is Zadar in May?
The average daily high is around 20 °C, with an average daily low of about 16 °C.
Can you swim in Zadar in May?
The sea is about 18 °C (cold).
Does it rain a lot in Zadar in May?
The curated estimate is about 10 rainy days per month, not a directly measured long-term average. Total precipitation averages around 65 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Zadar?
By the climate score, June, July, August and September are the strongest months for Zadar. For a beach trip: June, July, August and September. May is not among them.