



Sienno
Sienno is a village in Mazovia, Poland. It has a population of about 920 (2021). The climate is classified as warm-summer humid continental (Köppen Dfb), with warm summers, cold winters and precipitation in every season.
Best: May · Aug–Sep. Warmth, sunshine and dry days, month by month.
Sienno at a glance
The months with the highest weather score
Average high in July
Average low in January
87 mm of rain
29 mm of rain
1 of them World Heritage
Weather in Sienno
Now and the next ten days. The 14 and 30-day outlooks are one click away.
Cloudy · wind 17 km/h · humidity 61%
When to go to Sienno
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 23 | 25 | 27 | 55 | 66 | 65 | 64 | 73 | 73 | 46 | 24 | 22 |
| High | 1° | 2° | 8° | 15° | 20° | 23° | 25° | 25° | 19° | 13° | 7° | 2° |
| Low | -4° | -4° | -1° | 4° | 8° | 12° | 14° | 13° | 9° | 5° | 1° | -3° |
| Rain (mm) | 31 | 29 | 37 | 40 | 63 | 71 | 87 | 65 | 58 | 39 | 39 | 38 |
| Wet days | 11 | 10 | 10 | 10 | 13 | 14 | 14 | 11 | 10 | 10 | 10 | 10 |
What's on in Sienno
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Sienno
Outdoors around Sienno
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
Nature around Sienno
Wildlife in October
The birds and mammals of Poland seen most this month, compared with the rest of their year.
The sky over Sienno
Earthquakes around Sienno
The last 30 days within 300 km, and the record since 1950.
Towns and villages around Sienno
Each with its own page: weather, climate and the best time to visit.
Sienno from above
Postal code
Getting to Sienno
Places near Sienno
Places with a climate like Sienno
Matched month by month on temperature, rain and sunshine.