July
Other strong months: August and June
76/100 weather score
Poland · 1991–2020
Best time to visit
Słupsk
For Słupsk, July has the most comfortable weather in our climate comparison. Typical daytime highs are 21.5°C, nights average 13°C, and rainfall totals about 73 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthJuly
Typical daytime high21.5°C
Typical night-time low13°C
July rainfall73 mm
July
Other strong months: August and June
41/100 weather score
June
Other strong months: July and September
88/100 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.
2 months fit your choices for Słupsk
The lowest comfort score is 5 out of 100. January, February and December share that score. In January, that is mainly because days reach only 2.5°C, 21° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Słupsk?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Słupsk?
July is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 21.5°C and 73 mm of rain.
What is the hottest month in Słupsk?
August is hottest in this record, with a typical daytime high of 21.7°C and a night-time low of 12.8°C.
Which month has the least rain?
April has the lowest monthly rainfall total at 28 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 | 2.5°C | -2.2°C | 46 mm | 12.5 | 4.0°C | 7 h 50 | 5 | Strong coverage |
| February | 3.1°C | -2°C | 36 mm | 10.5 | 2.8°C | 9 h 37 | 5 | Strong coverage |
| March | 6.1°C | -0.4°C | 39 mm | 9.6 | 3.1°C | 11 h 39 | 7 | Strong coverage |
| April | 11.3°C | 2.5°C | 28 mm | 7.2 | 5.2°C | 13 h 58 | 32 | Strong coverage |
| May | 15.7°C | 6.4°C | 48 mm | 8.5 | 8.9°C | 16 h 01 | 50 | Strong coverage |
| June | 19°C | 10.3°C | 46 mm | 8.6 | 13.6°C | 17 h 12 | 69 | Strong coverage |
| July | 21.5°C | 13°C | 73 mm | 9.8 | 17.3°C | 16 h 43 | 76 | Strong coverage |
| August | 21.7°C | 12.8°C | 85 mm | 11.7 | 18.5°C | 14 h 54 | 74 | Strong coverage |
| September | 17.9°C | 9.7°C | 83 mm | 11.9 | 16.3°C | 12 h 37 | 56 | Strong coverage |
| October | 12.7°C | 5.8°C | 80 mm | 12.6 | 12.5°C | 10 h 23 | 31 | Strong coverage |
| November | 7.3°C | 2.3°C | 63 mm | 12.8 | 9.0°C | 8 h 22 | 9 | Strong coverage |
| December | 3.8°C | -0.8°C | 56 mm | 13.8 | 6.1°C | 7 h 19 | 5 | Strong coverage |
What has changed
Recent daytime highs are
1.8°C warmer in Słupsk.
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
+2.0
Feb
+2.1
Mar
+1.8
Apr
+2.3
May
+1.5
Jun
+2.3
Jul
+1.4
Aug
+2.0
Sep
+2.2
Oct
+1.3
Nov
+1.4
Dec
+1.8
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 13.0°C1 Jan 2023 | -23.2°C7 Jan 2003 | 20 mm3 Jan 1982 | 122 mm2007 · driest 3 mm in 2026 | 61 |
| February | 16.8°C21 Feb 1990 | -25.0°C6 Feb 2012 | 27 mm5 Feb 2011 | 86 mm1973 · driest 1 mm in 2026 | 61 |
| March | 22.6°C30 Mar 1968 | -19.0°C6 Mar 1971 | 31 mm6 Mar 2019 | 105 mm2008 · driest 0 mm in 2026 | 61 |
| April | 29.0°C29 Apr 2000 | -7.5°C16 Apr 1979 | 26 mm11 Apr 1983 | 114 mm1970 · driest 0 mm in 1974 | 61 |
| May | 32.4°C18 May 1971 | -4.8°C4 May 1978 | 53 mm29 May 2002 | 109 mm1996 · driest 2 mm in 2025 | 61 |
| June | 33.4°C12 Jun 2019 | -1.6°C1 Jun 1977 | 40 mm23 Jun 2001 | 120 mm1971 · driest 2 mm in 1992 | 61 |
| July | 34.4°C21 Jul 2022 | 4.2°C6 Jul 1975 | 141 mm24 Jul 1988 | 225 mm1988 · driest 3 mm in 1994 | 61 |
| August | 37.2°C10 Aug 1992 | 1.8°C26 Aug 1973 | 82 mm13 Aug 1999 | 203 mm1999 · driest 0 mm in 2025 | 60 |
| September | 32.1°C18 Sep 1975 | -2.5°C29 Sep 1966 | 42 mm23 Sep 2018 | 200 mm1990 · driest 1 mm in 2025 | 60 |
| October | 27.6°C4 Oct 1966 | -5.0°C26 Oct 1988 | 45 mm4 Oct 1975 | 220 mm1974 · driest 6 mm in 2025 | 60 |
| November | 20.3°C1 Nov 1968 | -11.5°C22 Nov 1998 | 33 mm15 Nov 1972 | 157 mm1969 · driest 5 mm in 2025 | 60 |
| December | 12.9°C6 Dec 2006 | -19.7°C31 Dec 1969 | 23 mm4 Dec 2007 | 114 mm1967 · driest 0 mm in 2025 | 60 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 0 | 0 | 15 | <1 |
| February | 0 | 0 | 14 | <1 |
| March | 0 | 0 | 13 | <1 |
| April | <1 | 0 | 6 | <1 |
| May | 2 | <1 | <1 | 1 |
| June | 3 | <1 | 0 | 1 |
| July | 5 | <1 | 0 | 2 |
| August | 5 | <1 | 0 | 3 |
| September | <1 | 0 | 0 | 2 |
| October | 0 | 0 | 2 | 2 |
| November | 0 | 0 | 6 | 1 |
| December | 0 | 0 | 13 | <1 |
The best month has moved. On the 1961–1990 numbers the strongest month here was July (scoring 78); on 2011–2025 it is August (86). Both are scored the same way, from the same station — only the climate underneath changed.
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 0% | 42% | 2% | 52% | -1.5–4.9°C |
| February | 0% | 37% | 1% | 47% | -0.4–6.3°C |
| March | <1% | 33% | 2% | 44% | 2.9–8.7°C |
| April | 4% | 27% | 3% | 30% | 8.1–12.2°C |
| May | 16% | 27% | 4% | 34% | 13.0–18.0°C |
| June | 24% | 29% | 5% | 37% | 16.7–20.9°C |
| July | 39% | 34% | 7% | 44% | 18.7–22.8°C |
| August | 42% | 36% | 7% | 50% | 19.4–23.6°C |
| September | 17% | 40% | 8% | 56% | 15.2–19.8°C |
| October | 3% | 41% | 7% | 54% | 10.7–14.9°C |
| November | <1% | 46% | 6% | 63% | 5.4–8.6°C |
| December | 0% | 45% | 3% | 65% | 0.1–5.8°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 3085450
- NOAA station
- PL000012120 · LEBA
- Station distance
- 45.5 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 27 usable years
- Daylight
- Calculated from latitude 54.46°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Sea temperature
- NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 21 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 Słupsk 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.
How travel partnerships will work