Best year time to visit Borough of South Williamsport

General weather information about Borough of South Williamsport

Average annual temperature is 11.8 °C

Absolute maximum temperature: 34.9 °C

Absolute minimum temperature: -13.6 °C

Number of sunny days: 167 days

Number of rainy days: 193 days

Number of snow days: 5 days

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* Weather data for Borough of South Williamsport United States is based on climate observations for 2026 year

Borough of South Williamsport air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	13.7	19.1	17.2	29.3	31.2	33.4	34.9	32.0	33.5	27.6	18.9	12.6
Average daytime temperature (°C)	6.3	8.5	9.3	18.7	22.2	25.9	30.3	27.5	24.3	18.4	10.2	7.4
Average temperature (°C)	2.7	2.2	3.5	11.6	14.8	19.6	23.9	21.7	18.7	13.3	4.9	3.7
Average night temperature (°C)	-0.3	-2.3	-0.9	5.8	7.9	14.1	18.6	16.9	14.0	9.1	0.9	0.8
Absolute minimum temperature (°C)	-4.8	-13.6	-6.0	-1.2	2.2	8.8	14.4	12.7	8.4	2.1	-5.1	-4.1

Borough of South Williamsport monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	10.0	11.0	12.0	13.0	14.0	15.0	15.0	14.0	13.0	11.0	10.0	9.0
Daylight mean duration (h)	9.6	10.6	11.9	13.3	14.5	15.1	14.8	13.8	12.5	11.1	9.9	9.3
Daylight minimum duration (h)	9.0	10.0	11.0	12.0	13.0	14.0	14.0	13.0	11.0	10.0	9.0	9.0
Sunshine mean duration (h)	3.8	6.6	6.8	8.5	11.5	10.9	11.4	10.1	8.5	7.1	7.1	3.5
Precipitation (mm)	91	49	92	112	32	102	136	152	113	84	49	123
Sunny days	12	15	12	15	21	10	10	8	15	16	19	14
Rainy days	19	12	19	15	10	20	21	23	15	15	10	14
Snow days	0	1	0	0	0	0	0	0	0	0	1	3

Borough of South Williamsport - weather forecast by months

Best time to visit Borough of South Williamsport:

The best time to visit Borough of South Williamsport during the most sunny months:

May — 11.5(h)
June — 10.9(h)
July — 11.4(h)
August — 10.1(h)

The largest precipitation sum in Borough of South Williamsport is at

July — 136(mm)

August — 152(mm)

December — 123(mm)

Weather forecast in the closest to Borough of South Williamsport admin centers

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Frequently asked questions

When is the best time to visit Borough of South Williamsport?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Borough of South Williamsport.

What is the weather like in Borough of South Williamsport?

See average temperature, rainfall and daylight hours for Borough of South Williamsport by month in the table above.

How many sunny days does Borough of South Williamsport have?

The monthly weather statistics above show sunshine and rainfall patterns for Borough of South Williamsport throughout the year.