Best year time to visit Siennica

General weather information about Siennica

Average annual temperature is 10.0 °C

Absolute maximum temperature: 33.4 °C

Absolute minimum temperature: -10.8 °C

Number of sunny days: 124 days

Number of rainy days: 217 days

Number of snow days: 24 days

Look at detailed online map of Siennica

* Weather data for Siennica Poland is based on climate observations for 2026 year

Siennica air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	16.0	8.9	18.0	20.9	24.9	28.2	33.4	31.9	27.9	23.1	13.8	9.3
Average daytime temperature (°C)	4.4	3.3	8.4	12.6	17.8	22.5	24.7	25.0	23.0	14.4	5.8	2.9
Average temperature (°C)	2.7	0.7	3.9	8.2	13.0	17.7	19.8	20.3	17.7	10.8	3.4	1.1
Average night temperature (°C)	0.7	-2.0	-0.5	3.6	7.3	12.2	14.5	15.8	12.7	6.9	0.9	-1.2
Absolute minimum temperature (°C)	-3.7	-10.7	-5.8	-4.6	0.2	4.5	10.8	10.2	9.3	0.2	-6.3	-10.8

Siennica monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	10.0	12.0	14.0	16.0	16.0	16.0	15.0	13.0	11.0	9.0	8.0
Daylight mean duration (h)	8.4	9.9	11.9	13.9	15.7	16.7	16.2	14.6	12.7	10.6	8.8	7.8
Daylight minimum duration (h)	7.0	9.0	10.0	12.0	14.0	16.0	15.0	13.0	11.0	9.0	8.0	7.0
Sunshine mean duration (h)	1.5	3.5	5.8	7.9	11.1	12.1	12.1	10.1	10.3	5.1	3.4	1.3
Precipitation (mm)	72	57	57	69	74	55	82	102	19	73	70	80
Sunny days	10	10	8	8	17	10	8	8	23	10	6	6
Rainy days	19	14	18	20	14	20	23	23	7	21	20	18
Snow days	2	4	5	2	0	0	0	0	0	0	4	7

Siennica - weather forecast by months

Siennica weather in january Siennica weather in february Siennica weather in march Siennica weather in april Siennica weather in may Siennica weather in june Siennica weather in july Siennica weather in august Siennica weather in september Siennica weather in october Siennica weather in november Siennica weather in december

Best time to visit Siennica:

The best time to visit Siennica during the most sunny months:

May — 11.1(h)
June — 12.1(h)
July — 12.1(h)
August — 10.1(h)
September — 10.3(h)

Months with the longest average daylight duration in Siennica:

May — 15.7(h)
June — 16.7(h)
July — 16.2(h)

The largest precipitation sum in Siennica is at

August — 102(mm)

Weather forecast in the closest to Siennica admin centers