May
Other strong months: September and October
90/100 weather score
Croatia · 1991–2020
Best time to visit
Sinj
For Sinj, May has the most comfortable weather in our climate comparison. Typical daytime highs are 23.4°C, nights average 16.1°C, and rainfall totals about 59 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthMay
Typical daytime high23.4°C
Typical night-time low16.1°C
May rainfall59 mm
June
Other strong months: July and August
91/100 weather score
April
Other strong months: October and March
81/100 weather score
Make the answer personal
Choose the weather
that suits you.
Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.
4 months fit your choices for Sinj
January has the lowest comfort score at 30 out of 100, compared with May at 90. The main reason is that days reach only 10.7°C, 13° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Sinj?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Sinj?
May is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 23.4°C and 59 mm of rain.
What is the hottest month in Sinj?
July is hottest in this record, with a typical daytime high of 31°C and a night-time low of 22.8°C.
Which month has the least rain?
July has the lowest monthly rainfall total at 24 mm.
Is this a weather forecast?
No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.
Month by month
See how the weather
changes through the year.
The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.
| Month | Day | Night | Rain | Wet days | Sea | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|---|
| January | 10.7°C | 5.9°C | 71 mm | 7.7 | 13.8°C | 9 h 16 | 30 | Strong coverage |
| February | 11.5°C | 6°C | 65 mm | 7.3 | 12.8°C | 10 h 25 | 35 | Strong coverage |
| March | 14.5°C | 8.5°C | 58 mm | 7 | 12.9°C | 11 h 47 | 50 | Strong coverage |
| April | 18.4°C | 11.8°C | 63 mm | 7.7 | 14.5°C | 13 h 22 | 67 | Strong coverage |
| May | 23.4°C | 16.1°C | 59 mm | 6.3 | 18.0°C | 14 h 42 | 90 | Strong coverage |
| June | 28.1°C | 20.2°C | 47 mm | 4.9 | 21.8°C | 15 h 25 | 74 | Strong coverage |
| July | 31°C | 22.8°C | 24 mm | 3.2 | 24.0°C | 15 h 08 | 63 | Strong coverage |
| August | 30.9°C | 22.9°C | 34 mm | 3.4 | 24.5°C | 13 h 59 | 62 | Strong coverage |
| September | 25.4°C | 18.4°C | 81 mm | 6.3 | 22.8°C | 12 h 27 | 80 | Strong coverage |
| October | 20.5°C | 14.7°C | 80 mm | 6.9 | 20.8°C | 10 h 56 | 78 | Strong coverage |
| November | 15.6°C | 10.8°C | 124 mm | 9.7 | 18.6°C | 9 h 36 | 46 | Strong coverage |
| December | 11.8°C | 7.2°C | 96 mm | 9.2 | 16.0°C | 8 h 56 | 31 | Strong coverage |
What has changed
Recent daytime highs are
1.5°C warmer in Sinj.
Each bar shows the difference between the 2011–2025 average daytime high and the 1961–1990 average for the same month at the same station. A blank month does not have enough older observations for a reliable comparison.
Jan
+1.0
Feb
+1.3
Mar
+1.4
Apr
+1.5
May
+0.8
Jun
+2.6
Jul
+2.0
Aug
+2.4
Sep
+1.4
Oct
+1.0
Nov
+1.5
Dec
+1.5
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 17.4°C20 Jan 1974 | -9.0°C23 Jan 1963 | 70 mm4 Jan 1972 | 208 mm2001 · driest 1 mm in 1989 | 79 |
| February | 22.3°C22 Feb 1990 | -8.1°C8 Feb 1956 | 43 mm6 Feb 1983 | 165 mm1986 · driest 2 mm in 1949 | 79 |
| March | 24.3°C30 Mar 2017 | -6.6°C1 Mar 1963 | 69 mm7 Mar 2007 | 188 mm1985 · driest 0 mm in 1953 | 79 |
| April | 27.7°C21 Apr 2000 | 0.3°C8 Apr 2003 | 57 mm21 Apr 1997 | 138 mm1958 · driest 1 mm in 1949 | 79 |
| May | 33.2°C26 May 1953 | 4.8°C11 May 1953 | 68 mm25 May 1998 | 183 mm1978 · driest 2 mm in 1973 | 79 |
| June | 39.0°C30 Jun 2026 | 9.1°C8 Jun 2005 | 117 mm21 Jun 1999 | 173 mm2009 · driest 4 mm in 2021 | 79 |
| July | 38.6°C5 Jul 1950 | 13.0°C9 Jul 1979 | 72 mm23 Jul 2011 | 132 mm2011 · driest 0 mm in 2023 | 79 |
| August | 38.5°C13 Aug 2015 | 11.2°C18 Aug 1949 | 132 mm24 Aug 1975 | 206 mm1975 · driest 0 mm in 2012 | 78 |
| September | 34.2°C7 Sep 2008 | 8.8°C9 Sep 1971 | 229 mm5 Sep 1948 | 274 mm1948 · driest 0 mm in 1970 | 78 |
| October | 27.9°C2 Oct 2011 | 3.8°C23 Oct 1972 | 103 mm11 Oct 2015 | 220 mm1974 · driest 0 mm in 1965 | 78 |
| November | 25.8°C2 Nov 2004 | -4.5°C30 Nov 1957 | 100 mm8 Nov 1962 | 290 mm1962 · driest 20 mm in 1983 | 78 |
| December | 18.7°C2 Dec 2023 | -6.3°C17 Dec 1961 | 150 mm3 Dec 2020 | 297 mm2020 · driest 0 mm in 2015 | 78 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 0 | 0 | 2 | 3 |
| February | 0 | 0 | 2 | 2 |
| March | 0 | 0 | <1 | 2 |
| April | <1 | 0 | 0 | 2 |
| May | 11 | <1 | 0 | 2 |
| June | 24 | 10 | 0 | 2 |
| July | 30 | 21 | 0 | <1 |
| August | 30 | 21 | 0 | 1 |
| September | 17 | 3 | 0 | 3 |
| October | 1 | 0 | 0 | 2 |
| November | <1 | 0 | 0 | 4 |
| December | 0 | 0 | 1 | 3 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 0% | 27% | 9% | 33% | 8.3–12.2°C |
| February | 0% | 27% | 9% | 34% | 9.2–13.3°C |
| March | 2% | 25% | 7% | 29% | 12.2–16.2°C |
| April | 25% | 25% | 7% | 28% | 16.2–19.8°C |
| May | 69% | 21% | 7% | 20% | 20.8–24.9°C |
| June | 81% | 18% | 5% | 14% | 25.4–29.8°C |
| July | 89% | 11% | 3% | 6% | 28.6–32.5°C |
| August | 87% | 13% | 5% | 9% | 28.2–32.2°C |
| September | 79% | 19% | 7% | 19% | 23.4–27.2°C |
| October | 47% | 23% | 8% | 27% | 18.9–21.8°C |
| November | 3% | 33% | 14% | 44% | 13.6–16.6°C |
| December | 0% | 31% | 12% | 42% | 10.2–13.2°C |
A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.
The evidence behind this page
Where these figures
come from.
- Place identity
- GeoNames 3190865
- NOAA station
- HRE00105217 · SPLIT MARJAN
- Station distance
- 26.6 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 30 usable years
- Daylight
- Calculated from latitude 43.70°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Sea temperature
- NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 41 km from the place centre. A sheltered bay can run warmer than the open sea it is measured from.
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Sinj is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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