AI-generatedOlsztyn at a glance
- Best time
- May – Sep
- Warmest month
- Jul · 22°
- Sunshine a year
- 1,620 h
- Rain a year
- 647 mm
- Climate
- Continental
- Time zone
- UTC+1 / UTC+2
- Elevation
- 151 m
Climate in Olsztyn
Olsztyn has warm to hot summers and cold winters with occasional snow. July is the warmest month with average highs of 22 °C, while January is the coolest at 0 °C. With around 1,620 hours of sunshine a year, Olsztyn is moderately sunny; June is the sunniest month with 7.5 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Poor
Best time to visit: May – September
A typical day in October
- Morning, 08:00: about 7°
- Midday, 13:00: about 11°
- Afternoon, 16:00: about 11°
- Evening, 20:00: about 9°
- Night, 23:00: about 8°
07:0317:44
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 06:41–07:52 · evening 16:55–18:06
- Blue hour
- Morning 06:28–06:41 · evening 18:06–18:19
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.
What is the weather like in Olsztyn in October?
In October, Olsztyn is cool: daytime highs average 11 °C, and nights cool down to about 6 °C. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 11 rainy days and 52 mm in total. All in all, October is not an ideal month for a holiday in Olsztyn.
More details for October
- Daylight
- 10 h 41 min07:03 – 17:44
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 71 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+2Europe/Warsaw
How the score comes together
- Temperatureweight 50 %34 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %52 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Sunshine hours in Olsztyn
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 2.9 of 10.7 hours of daylight in Olsztyn, 27 % of the day.
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.
UV index in Olsztyn
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 105 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 it, 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.
Rain in Olsztyn: 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, Olsztyn has about 11 rainy days with 52 mm of rain in total.
Wind and clouds in Olsztyn
How breezy and how cloudy Olsztyn 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 Olsztyn typically peaks at 20 km/h during the day: Beaufort 4, moderate breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 71 % of the sky over Olsztyn: mostly cloudy, with about 2.9 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.
Snow in Olsztyn
When Olsztyn is likely to be white: 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 Olsztyn.
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.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Olsztyn
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 6°. The room should be heated.
The coolest nights are in January (−5°), the warmest in July (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 | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 14 | 0° | −5° | 1.3 h | 11 | 45 |
| FebruaryFeb | 18 | 1° | −4° | 2.4 h | 10 | 41 |
| MarchMar | 21 | 6° | −2° | 4.0 h | 10 | 40 |
| AprilApr | 50 | 12° | 3° | 6.2 h | 10 | 39 |
| MayMay | 73 | 17° | 8° | 7.4 h | 12 | 65 |
| JuneJun | 77 | 21° | 12° | 7.5 h | 12 | 69 |
| JulyJul | 72 | 22° | 14° | 7.3 h | 15 | 93 |
| AugustAug | 76 | 22° | 14° | 6.6 h | 11 | 69 |
| SeptemberSep | 74 | 18° | 10° | 5.0 h | 9 | 48 |
| OctoberOct | 33 | 11° | 6° | 2.9 h | 11 | 52 |
| NovemberNov | 17 | 6° | 2° | 1.4 h | 10 | 43 |
| DecemberDec | 16 | 1° | −2° | 1.1 h | 11 | 44 |
Climate averages 1996–2025, 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
53.78° N, 20.49° E · 151 m · Europe/Warsaw
Best time to visit Olsztyn
The best time to visit Olsztyn is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable from August to September. Rain is most frequent from May to July; the wettest month is July with 93 mm.
Olsztyn through the seasons
How the weather changes over the seasons, with averages for each.
Olsztyn in spring
Mar – May
Fair
- 6–17 °C by day
- 6 h of sun a day
- 32 rainy days in all
Olsztyn in summer
Jun – Aug
Good
- 21–22 °C by day
- 7 h of sun a day
- 38 rainy days in all
Olsztyn in autumn
Sep – Nov
Fair
- 6–18 °C by day
- 3 h of sun a day
- 30 rainy days in all
Olsztyn in winter
Dec – Feb
Poor
- 0–1 °C by day
- 2 h of sun a day
- 32 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Olsztyn for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Compare two months in Olsztyn
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
June has the better holiday weather in Olsztyn: score 77 against 33. In June, days are 10 °C warmer than in October. June has one more rainy day. The sun shines 5 hours longer a day in June.
| Month | October | June |
|---|---|---|
| Weather score | 33 | 77better |
| Day high | 11° | 21° |
| Night low | 6° | 12° |
| Sunshine | 2.9 h | 7.5 hbetter |
| Rainy days | 11better | 12 |
| Rainfall | 52 mmbetter | 69 mm |
| Muggy days | 0better | 1 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Aug – Sep
15–28 °C and not too much rain
Rainy months
May – Jul
12 or more rainy days
Snow
Nov – Mar
Snow on 2 or more days
Olsztyn month by month
The typical weather for every month at a glance.
14January0° · 1 h
In January, Olsztyn is freezing cold: daytime highs average 0 °C, and nights often drop below freezing (−5 °C). The sun is scarce, with only about 1 hours a day. Precipitation, often as snow, falls on about 11 days, totalling 45 mm. Snow falls on about 6 days. All in all, January is not an ideal month for a holiday in Olsztyn.
Olsztyn in January18February1° · 2 h
In February, Olsztyn is freezing cold: daytime highs average 1 °C, and nights often drop below freezing (−4 °C). The sun is scarce, with only about 2 hours a day. Precipitation, often as snow, falls on about 10 days, totalling 41 mm. Snow falls on about 4 days. All in all, February is not an ideal month for a holiday in Olsztyn.
Olsztyn in February21March6° · 4 h
In March, Olsztyn is cold: daytime highs average 6 °C, and nights often drop below freezing (−2 °C). Expect around 4 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 40 mm in total. Snow falls on about 3 days. All in all, March is not an ideal month for a holiday in Olsztyn.
Olsztyn in March50April12° · 6 h
In April, Olsztyn is cool: daytime highs average 12 °C, and nights cool down to about 3 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 39 mm in total. All in all, April is a so-so month for a holiday in Olsztyn.
Olsztyn in April73May17° · 7 h
In May, Olsztyn is mild: daytime highs average 17 °C, and nights cool down to about 8 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 65 mm in total. All in all, May is a good month for a holiday in Olsztyn.
Olsztyn in May77June21° · 8 h
In June, Olsztyn is mild: daytime highs average 21 °C, and nights cool down to about 12 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 12 rainy days and 69 mm in total. All in all, June is a good month for a holiday in Olsztyn.
Olsztyn in June72July22° · 7 h
In July, Olsztyn is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. The sun shines for around 7 hours a day. It rains often – on about 15 days, adding up to 93 mm. All in all, July is a good month for a holiday in Olsztyn.
Olsztyn in July76August22° · 7 h
In August, Olsztyn is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 69 mm in total. All in all, August is a good month for a holiday in Olsztyn.
Olsztyn in August74September18° · 5 h
In September, Olsztyn is mild: daytime highs average 18 °C, and nights cool down to about 10 °C. Expect around 5 hours of sunshine a day. Rain falls on about 9 days, adding up to 48 mm. All in all, September is a good month for a holiday in Olsztyn.
Olsztyn in September33October11° · 3 h
In October, Olsztyn is cool: daytime highs average 11 °C, and nights cool down to about 6 °C. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 11 rainy days and 52 mm in total. All in all, October is not an ideal month for a holiday in Olsztyn.
Olsztyn in October17November6° · 1 h
In November, Olsztyn is cold: daytime highs average 6 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 1 hours a day. Rain is frequent, with about 10 rainy days and 43 mm in total. Snow falls on about 2 days. All in all, November is not an ideal month for a holiday in Olsztyn.
Olsztyn in November16December1° · 1 h
In December, Olsztyn is freezing cold: daytime highs average 1 °C, and nights often drop below freezing (−2 °C). The sun is scarce, with only about 1 hours a day. Precipitation, often as snow, falls on about 11 days, totalling 44 mm. Snow falls on about 4 days. All in all, December is not an ideal month for a holiday in Olsztyn.
Olsztyn in DecemberOlsztyn compared
Put Olsztyn side by side with another destination.
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Olsztyn vs. Elbląg
In October the holiday weather in Olsztyn and Elbląg is about equally good (score 33 vs. 33). During the day Elbląg is 1 °C warmer than Olsztyn.
| in October | Olsztyn | Elbląg |
|---|---|---|
| Holiday score | 33 | 33 |
| Daytime high | 11° | 12° |
| Sunshine | 3 h | 3 h |
| Rainy days | 11 | 13 |
| Best time | May – Sep | May – Sep |
Through the year
Poland in October: the best places
In October, Olsztyn ranks 21 among the 31 nearest destinations in this country.
- Wrocław14°49
- 2Opole14°48
- 3Poznań13°46
- 4Gorzów Wielkopolski14°46
- 5Kielce13°45
- 6Częstochowa13°45
- 7Zielona Góra13°45
- 8Bytom13°45
- 21OlsztynThis page11°33
Planning a trip to Olsztyn
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Olsztyn 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.
Olsztyn has its best school-holiday weather during the summer holidays (score 75) and its weakest during the Christmas holidays (score 15).
- 41
Easter holidays
Mar – Apr
Fair
- 10 °C by day
- 5.5 h of sun a day
- 10 rainy days a month
Keep in mind: Snow
- 74
May half-term
May – Jun
Good
- 18 °C by day
- 7.4 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 75
Summer holidays
Jul – Aug
GoodBest holidays
- 22 °C by day
- 6.8 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 33
October half-term
Oct
Poor
- 11 °C by day
- 2.9 h of sun a day
- 11 rainy days a month
- 15
Christmas holidays
Dec – Jan
Poor
- 0 °C by day
- 1.2 h of sun a day
- 11 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 2 h 15 min
- Distance
- 1,430 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.
Frequently asked questions about Olsztyn
When is the best time to visit Olsztyn?
The best time to visit Olsztyn is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Olsztyn?
July is the warmest month, with average highs of 22 °C and nights around 14 °C. January is the coolest month at 0 °C.
When does it rain most in Olsztyn?
Rain is most frequent from May to July; the wettest month is July with 93 mm. The driest month is April with 39 mm.
How many hours of sunshine does Olsztyn get?
Olsztyn gets around 1,620 hours of sunshine a year. The sunniest month is June with 7.5 hours a day; in December there are 1.1 hours a day.
What time zone is Olsztyn in?
Olsztyn uses the time zone Europe/Warsaw: UTC+1 in January and UTC+2 in July.
How long is the flight from London to Olsztyn?
A nonstop flight from London to Olsztyn takes about 2 h 15 min, for a straight-line distance of about 1,430 km.
Which school holidays are best for Olsztyn?
Olsztyn has its best school-holiday weather during the summer holidays (score 75) and its weakest during the Christmas holidays (score 15). Holiday ratings (0–100): Easter holidays 41, May half-term 74, Summer holidays 75, October half-term 33, Christmas holidays 15.
Near Olsztyn
Other destinations close by.
Places with a climate like Olsztyn
Destinations whose weather through the year is closest to Olsztyn's – good alternatives.