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Sejny
Church of the Visitation in Sejny
Church of the Visitation in Sejny
Sejny town hall
Sejny town hall
Kaplica św. Agaty w Sejnach
Kaplica św. Agaty w Sejnach
Post office in Sejny
Post office in Sejny
Podlasie, Poland

Sejny

Sejny is a small town in Podlasie, Poland. It has a population of about 5,075 (2021). The climate is classified as warm-summer humid continental (Köppen Dfb), with warm summers, cold winters and precipitation in every season.

Now9°C
Best timeMay · Aug–Sep
Population5,075
Local time01:52
54.11° N, 23.35° EElevation 136 mUTC+1 · Central European Standard Time
Postal code16-500
The year in Sejnyweather score
JanFebMarAprMayJunJulAugSepOctNovDec24October
October: high / low11° / 4°
Rain this month48mm
Best timeMay · Aug–Sep

Best: May · Aug–Sep. Warmth, sunshine and dry days, month by month.

Sejny at a glance

Best time to visitMay · Aug–Sep

The months with the highest weather score

Warmest month24°C

Average high in July

Coolest month-5°C

Average low in January

Wettest monthJuly

86 mm of rain

Driest monthFebruary

30 mm of rain

Monuments nearby10+

within 13 km

Weather in Sejny

Now and the next ten days. The 14 and 30-day outlooks are one click away.

14-day forecast
9°C

Rain · wind 14 km/h · humidity 97%

Today hour by hour
Today26 Oct10°4°4.5 mm
Tue27 Oct13°2°
Wed28 Oct12°1°
Thu29 Oct11°7°1.1 mm
Fri30 Oct10°4°
Sat31 Oct10°4°
Sun1 Nov8°6°
Mon2 Nov7°4°
Tue3 Nov6°2°0.7 mm

When to go to Sejny

Each month's weather score (warmth, sun, dry days) with its temperatures and rain.

Climate month by month
JanFebMarAprMayJunJulAugSepOctNovDec
Score111728416664656773241210
High-1°0°5°13°19°22°24°24°18°11°5°1°
Low-5°-5°-2°2°7°11°13°12°8°4°0°-4°
Rain (mm)403037356177866955484644
Wet days1712912131518149141415

What's on in Sejny

Concerts, football matches, the public holidays ahead and the town's festivals through the year.

Monuments and museums in Sejny

All monuments

More museums: Klasztor podominikański

Outdoors around Sejny

Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.

Things to do
ZakoleCamp sites
0.8 km
Dom nad Czarna HańczaCamp sites
1 km

Nature around Sejny

Nature in Poland

Wildlife in October

The birds and mammals of Poland seen most this month, compared with the rest of their year.

The sky over Sejny

Eclipses and meteor showers

Earthquakes around Sejny

The last 30 days within 300 km, and the record since 1950.

Earthquakes

Towns and villages around Sejny

Each with its own page: weather, climate and the best time to visit.

Sejny from above

Postal code

16-500

Getting to Sejny

Kaunas International AirportKUN
106 km
Vilnius International AirportVNO
139 km
Olsztyn-Mazury AirportSZY
173 km
TrakiszkiRailway station
17 km
MockavaRailway station
25 km
KrusznikRailway station
21 km

Places near Sejny

Places with a climate like Sejny

Matched month by month on temperature, rain and sunshine.

Frequently asked questions

When is the best time to visit Sejny?
Based on 30-year climate normals, May, August and September offer the best balance of comfortable temperatures, low rainfall and sunshine in Sejny.
What is the hottest month in Sejny?
July is the warmest month, with average highs of 24°C and lows of 13°C.
What is the coldest month in Sejny?
January is the coldest month, with average highs of -1°C and lows of -5°C.
What is the rainiest month in Sejny?
July is the wettest month with about 86 mm of precipitation on 18 wet days.
What is the postal code of Sejny?
The postal code of Sejny is 16-500.