ClimateAverages

Siemianowice Slaskie Climate

Silesia, Poland · population 73,121 · 193 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
12.3°C
Warmest month · July
22.9°C
Typical daytime high
Coldest month · January
-6.5°C
Typical overnight low

Siemianowice Slaskie has an average annual daytime high of 12.3°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 22.9°C, and its coldest is January, with overnight lows near -6.5°C.

Month by month averages

MonthAvg highAvg low
January0.1°C-6.5°CColdest
February2.1°C-5.3°C
March6.9°C-2.1°C
April12.9°C2.4°C
May18.0°C6.8°C
June21.6°C10.5°C
July22.9°C11.9°CWarmest
August22.7°C11.7°C
September18.7°C8.3°C
October13.1°C3.8°C
November6.6°C0.3°C
December2.1°C-3.8°C

Temperature range across the year

-8°-0°8°17°25°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+3.3°C vs. 1951–1980
Coldest year on record
1798
-2.3°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Siemianowice Slaskie getting hotter?

Since 1900, Siemianowice Slaskie's average temperature has risen by +2.5°C. Compared to the earliest station records that begin in 1750, warming totals +2.5°C.

7.1°7.9°8.6°9.4°10.1°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
May to September

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Siemianowice Slaskie?

Siemianowice Slaskie's average annual daytime high is 12.3°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 22.9°C, and the coldest is January, with lows averaging -6.5°C.

What is the warmest month in Siemianowice Slaskie?

July is the warmest month in Siemianowice Slaskie, with typical daytime highs of 22.9°C.

What is the hottest year on record for Siemianowice Slaskie?

2023 is the hottest year on record for Siemianowice Slaskie, running +3.3°C above the 1951 to 1980 baseline.

Is Siemianowice Slaskie getting hotter?

Yes. Since 1900, Siemianowice Slaskie has warmed by roughly +2.5°C.

When is the best time to visit Siemianowice Slaskie?

May to September typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.