AI-generatedMielno at a glance
- Best time
- Jul – Aug
- Warmest month
- Aug · 23°
- Warmest sea
- Aug · 18.7°
- Sunshine a year
- 1,820 h
- Rain a year
- 730 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 4 m
Climate in Mielno
Mielno has a maritime climate with moderate summers and cool, often grey winters. August is the warmest month with average highs of 23 °C, while January is the coolest at 3 °C. With around 1,820 hours of sunshine a year, Mielno is moderately sunny; June is the sunniest month with 8.6 hours a day.
Holiday weather through the year
Best time to visit Mielno
The best time to visit Mielno is from July to August. The sea stays too cool for a classic beach holiday: even in August it only reaches 18.7 °C. For sightseeing, day trips and hiking, conditions are most comfortable from May to June and in September. Rain is frequent in October and in December; the wettest month is July with 97 mm.
Mielno through the seasons
How the weather changes over the seasons, with averages for each.
Mielno in spring
Mar – May
Poor
- 7–18 °C by day
- Sea 6 °C
- 6.6 h of sun a day
- 29 rainy days in all
Mielno in summer
Jun – Aug
Fair
- 21–23 °C by day
- Sea 17 °C
- 8.1 h of sun a day
- 40 rainy days in all
Mielno in autumn
Sep – Nov
Poor
- 8–19 °C by day
- Sea 13 °C
- 3.6 h of sun a day
- 36 rainy days in all
Mielno in winter
Dec – Feb
Poor
- 3–4 °C by day
- Sea 5 °C
- 1.6 h of sun a day
- 35 rainy days in all
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Jun, Sep
15–28 °C and not too much rain
Rainy months
Oct, Dec
Rainy season or more than 12 rainy days
Snow
Dec – Mar
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Mielno for you.
Your best months: July – August
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Poor
Best time to visit: July – August
Where to go in OctoberSea temperature in October
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 8°
- Midday, 13:00: about 13°
- Afternoon, 16:00: about 13°
- Evening, 20:00: about 10°
- Night, 23:00: about 9°
07:2218:01
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:00–08:11 · evening 17:12–18:23
- Blue hour
- Morning 06:46–07:00 · evening 18:23–18:37
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Mielno compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 16° at the start of the month to 10° at the end. The sea cools from 15° to 11°. The days get 2.1 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 16° | 10° |
| Night-time low | 9° | 5° |
| Sea | 15° | 11° |
| Daylight | 11.7 h | 9.6 h |
What is the weather like in Mielno in October?
In October, Mielno is cool: daytime highs average 13 °C, and nights cool down to about 7 °C. The sea averages 12.9 °C – swimming is only for the hardy. The sun is scarce, with only about 3.4 hours a day. Rain is frequent, with about 13 rainy days and 71 mm in total. All in all, October is not an ideal month for a holiday in Mielno.
More details for October
- Daylight
- 10 h 39 min07:22 – 18:01
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 24 km/haverage daily peakAll months
- Cloud cover
- 70 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+2offset from UTC
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %7 %
- Few rainy daysweight 20 %34 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Mielno
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
August has the better holiday weather in Mielno: score 49 against 8. In August, days are 10 °C warmer than in October. The sea is 6 °C warmer in August. August has one more rainy day. The sun shines 4 hours longer a day in August.
| Month | October | August |
|---|---|---|
| Holiday weather score | 8 | 49better |
| Daytime high | 13° | 23° |
| Night-time low | 7° | 14° |
| Sea | 12.9° | 18.7° |
| Sunshine | 3.4 h | 7.4 hbetter |
| Rainy days | 13better | 14 |
| Rainfall | 71 mm | 80 mm |
| Muggy days | 0better | 2 |
Based on the climate averages 1996–2025.
Mielno month by month
The typical weather for every month at a glance.
9January3° · Sea 4° · 1.4 h
In January, Mielno is bitterly cold: daytime highs average 3 °C, and nights often drop below freezing (−2 °C). The sea averages 4.4 °C – swimming is only for the hardy. The sun is scarce, with only about 1.4 hours a day. Precipitation falls on about 12 days, totalling 56 mm; on about 4 of them it snows. All in all, January is not an ideal month for a holiday in Mielno.
Mielno in January11February4° · Sea 3° · 2.4 h
In February, Mielno is cold: daytime highs average 4 °C, and nights often drop below freezing (−1 °C). The sea averages 3.2 °C – swimming is only for the hardy. The sun is scarce, with only about 2.4 hours a day. Precipitation falls on about 11 days, totalling 48 mm; on about 3 of them it snows. All in all, February is not an ideal month for a holiday in Mielno.
Mielno in February17March7° · Sea 3° · 4.4 h
In March, Mielno is cold: daytime highs average 7 °C, and nights cool down to about 1 °C. The sea averages 3.3 °C – swimming is only for the hardy. Expect around 4.4 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 43 mm in total. Snow falls on about 2 days. All in all, March is not an ideal month for a holiday in Mielno.
Mielno in March26April13° · Sea 6° · 7.0 h
In April, Mielno is cool: daytime highs average 13 °C, and nights cool down to about 4 °C. The sea averages 5.5 °C – swimming is only for the hardy. The sun shines for around 7.0 hours a day. Rain falls on about 9 days, adding up to 37 mm. All in all, April is not an ideal month for a holiday in Mielno.
Mielno in April28May18° · Sea 9° · 8.5 h
In May, Mielno is mild: daytime highs average 18 °C, and nights cool down to about 8 °C. The sea averages 9.2 °C – swimming is only for the hardy. The sun shines for around 8.5 hours a day. Rain is frequent, with about 11 rainy days and 56 mm in total. All in all, May is not an ideal month for a holiday in Mielno.
Mielno in May36June21° · Sea 14° · 8.6 h
In June, Mielno is mild: daytime highs average 21 °C, and nights cool down to about 12 °C. The sea averages 14.1 °C – swimming is only for the hardy. The sun shines for around 8.6 hours a day. Rain is frequent, with about 12 rainy days and 66 mm in total. All in all, June is not an ideal month for a holiday in Mielno.
Mielno in June48July23° · Sea 18° · 8.3 h
In July, Mielno is warm: daytime highs average 23 °C, and nights cool down to about 14 °C. The sea averages 17.7 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8.3 hours a day. It rains often – on about 14 days, adding up to 97 mm. All in all, July is a so-so month for a holiday in Mielno – and yet one of the best months here.
Mielno in July49August23° · Sea 19° · 7.4 h
In August, Mielno is warm: daytime highs average 23 °C, and nights cool down to about 14 °C. The sea averages 18.7 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7.4 hours a day. Rain is frequent, with about 14 rainy days and 80 mm in total. All in all, August is a so-so month for a holiday in Mielno – and yet one of the best months here.
Mielno in August18September19° · Sea 17° · 5.6 h
In September, Mielno is mild: daytime highs average 19 °C, and nights cool down to about 11 °C. The sea averages 16.6 °C – swimming is only for the hardy. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 64 mm in total. All in all, September is not an ideal month for a holiday in Mielno.
Mielno in September8October13° · Sea 13° · 3.4 h
In October, Mielno is cool: daytime highs average 13 °C, and nights cool down to about 7 °C. The sea averages 12.9 °C – swimming is only for the hardy. The sun is scarce, with only about 3.4 hours a day. Rain is frequent, with about 13 rainy days and 71 mm in total. All in all, October is not an ideal month for a holiday in Mielno.
Mielno in October9November8° · Sea 9° · 1.7 h
In November, Mielno is cold: daytime highs average 8 °C, and nights cool down to about 3 °C. The sea averages 9.4 °C – swimming is only for the hardy. The sun is scarce, with only about 1.7 hours a day. Rain is frequent, with about 12 rainy days and 55 mm in total. All in all, November is not an ideal month for a holiday in Mielno.
Mielno in November8December4° · Sea 7° · 1.1 h
In December, Mielno is cold: daytime highs average 4 °C, and nights cool down to about 0 °C. The sea averages 6.5 °C – swimming is only for the hardy. The sun is scarce, with only about 1.1 hours a day. Precipitation falls on about 13 days, totalling 57 mm; on about 3 of them it snows. All in all, December is not an ideal month for a holiday in Mielno.
Mielno in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Mielno
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
ColdOctober: nights around 7°. The room should be heated.
The coolest nights are in January (−2°), the warmest in August (14°). Nights fall below 8 °C on average from October to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 9 | 3° | −2° | 4.4° | 1.4 h | 12 | 56 |
| FebruaryFeb | 11 | 4° | −1° | 3.2° | 2.4 h | 11 | 48 |
| MarchMar | 17 | 7° | 1° | 3.3° | 4.4 h | 10 | 43 |
| AprilApr | 26 | 13° | 4° | 5.5° | 7.0 h | 9 | 37 |
| MayMay | 28 | 18° | 8° | 9.2° | 8.5 h | 11 | 56 |
| JuneJun | 36 | 21° | 12° | 14.1° | 8.6 h | 12 | 66 |
| JulyJul | 48 | 23° | 14° | 17.7° | 8.3 h | 14 | 97 |
| AugustAug | 49 | 23° | 14° | 18.7° | 7.4 h | 14 | 80 |
| SeptemberSep | 18 | 19° | 11° | 16.6° | 5.6 h | 11 | 64 |
| OctoberOct | 8 | 13° | 7° | 12.9° | 3.4 h | 13 | 71 |
| NovemberNov | 9 | 8° | 3° | 9.4° | 1.7 h | 12 | 55 |
| DecemberDec | 8 | 4° | 0° | 6.5° | 1.1 h | 13 | 57 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
54.26° N, 16.06° E · 4 m · Europe/Warsaw
Sea temperature in Mielno
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 11.9 – 14.1 °C
Swimming season: Always below 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Mielno ranges from 3.2 °C in February to 18.7 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
From November to January the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 17.7 and 19.7 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 4.4° | 3.3° | 5.4° | cold |
| FebruaryFeb | 3.2° | 1.7° | 4.2° | cold |
| MarchMar | 3.3° | 1.8° | 4.5° | cold |
| AprilApr | 5.5° | 4.0° | 6.8° | cold |
| MayMay | 9.2° | 7.8° | 10.7° | cold |
| JuneJun | 14.1° | 12.8° | 15.4° | cold |
| JulyJul | 17.7° | 15.8° | 19.2° | fresh |
| AugustAug | 18.7° | 17.7° | 19.7° | fresh |
| SeptemberSep | 16.6° | 15.5° | 17.9° | cold |
| OctoberOct | 12.9° | 11.9° | 14.1° | cold |
| NovemberNov | 9.4° | 8.4° | 10.2° | cold |
| DecemberDec | 6.5° | 5.7° | 7.5° | cold |
Sunshine hours in Mielno
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 3.4 of 10.7 hours of daylight in Mielno, 32 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Mielno: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Mielno has about 13 rainy days with 71 mm of rain in total.
UV index in Mielno
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 2 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 7).
Minutes until sunburn in October
- Very fair skin
- about 85 min
- Fair skin
- about 110 min
- Light brown skin
- over 2 h
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind and clouds in Mielno
How breezy and how cloudy Mielno is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Mielno typically peaks at 24 km/h during the day: Beaufort 4, moderate breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting, and here it is that strong all year.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 70 % of the sky over Mielno: mostly cloudy, with about 3.4 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Mielno
How often the day gets hot in Mielno (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Mielno has about 0 hot days, with an average daytime high of 13 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow in Mielno
Snow is possible in Mielno, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Mielno.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Planning a trip to Mielno
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Mielno in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Mielno has its best school-holiday weather during the summer holidays (score 49) and its weakest during October half-term (score 8).
- 23
Easter holidays
Mar – Apr
Poor
- 11 °C by day
- Sea 5 °C
- 6.2 h of sun a day
- 9 rainy days a month
Keep in mind: Snow
- 30
May half-term
May – Jun
Poor
- 18 °C by day
- Sea 10 °C
- 8.5 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 49
Summer holidays
Jul – Aug
FairBest holidays
- 23 °C by day
- Sea 18 °C
- 7.7 h of sun a day
- 14 rainy days a month
- 8
October half-term
Oct
Poor
- 13 °C by day
- Sea 13 °C
- 3.4 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 9
Christmas holidays
Dec – Jan
Poor
- 3 °C by day
- Sea 5 °C
- 1.3 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain, Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 1 h 55 min
- Distance
- 1,150 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Compare & alternatives
Mielno compared
Put Mielno side by side with another destination.
Mielno vs Koszalin
In October the holiday weather in Mielno and Koszalin is about equally good (score 8 vs 8). During the day it is about as warm in Koszalin as in Mielno. The sea is about equally warm.
| in October | Mielno | Koszalin |
|---|---|---|
| Holiday weather score | 8 | 8 |
| Daytime high | 13° | 13° |
| Sea | 13° | 13° |
| Sunshine | 3 h | 3 h |
| Rainy days | 13 | 13 |
| Best time | Jul – Aug | Jul – Aug |
Through the year
Poland in October: the best places
In October, Mielno ranks 26 among the 31 nearest destinations in this country.
- Stargard14°45
- 2Piła13°44
- 3Gryfice13°43
- 4Trzebiatów13°42
- 5Wałcz13°40
- 6Szczecin13°40
- 7Białogard13°37
- 8Sławno13°37
- 26MielnoThis page13°13°8
Near Mielno
Other destinations close by.
Places with a climate like Mielno
Destinations whose weather through the year is closest to Mielno's – good alternatives.
Frequently asked questions about Mielno
When is the best time to visit Mielno?
The best time to visit Mielno is from July to August. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Mielno?
The sea temperature in Mielno ranges from 3.2 °C in February to 18.7 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Mielno in October?
Only if you don't mind cold water: in October the sea averages just 12.9 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Mielno?
August is the warmest month, with average highs of 23 °C and nights around 14 °C. January is the coolest month at 3 °C.
When does it rain most in Mielno?
Rain is frequent in October and in December; the wettest month is July with 97 mm. The driest month is April with 37 mm.
How many hours of sunshine does Mielno get?
Mielno gets around 1,820 hours of sunshine a year. The sunniest month is June with 8.6 hours a day; in December there are 1.1 hours a day.
What time zone is Mielno in?
Mielno is on UTC+1 in January and UTC+2 in July.
How long is the flight from London to Mielno?
A nonstop flight from London to Mielno takes about 1 h 55 min, for a straight-line distance of about 1,150 km.
Which school holidays are best for Mielno?
Mielno has its best school-holiday weather during the summer holidays (score 49) and its weakest during October half-term (score 8). Holiday ratings (0–100): Easter holidays 23, May half-term 30, summer holidays 49, October half-term 8, Christmas holidays 9.