Best year time to visit Borough of South New Castle

General weather information about Borough of South New Castle

Average annual temperature is 11.8 °C

Absolute maximum temperature: 33.9 °C

Absolute minimum temperature: -11.4 °C

Number of sunny days: 147 days

Number of rainy days: 203 days

Number of snow days: 15 days

Look at detailed online map of Borough of South New Castle

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

Borough of South New Castle air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	15.3	20.9	19.3	27.9	32.3	33.9	32.6	31.0	32.4	28.1	18.0	15.4
Average daytime temperature (°C)	6.6	10.3	9.6	17.9	22.3	25.9	28.7	27.1	24.3	17.6	10.6	8.2
Average temperature (°C)	2.6	3.3	3.8	11.0	15.4	19.6	22.7	21.2	18.6	13.0	5.5	4.5
Average night temperature (°C)	-0.2	-1.5	-0.3	5.4	9.0	14.1	17.9	16.5	14.0	9.1	1.7	1.7
Absolute minimum temperature (°C)	-6.6	-11.4	-7.1	-3.7	2.1	9.0	13.7	12.5	8.4	1.1	-7.0	-4.6

Borough of South New Castle 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)	2.7	6.4	6.1	8.5	10.7	11.1	11.6	11.0	9.0	6.3	6.4	3.4
Precipitation (mm)	132	74	102	95	48	122	102	99	27	72	43	69
Sunny days	8	11	9	13	21	15	5	10	11	16	18	10
Rainy days	18	14	19	17	10	15	26	21	19	15	10	19
Snow days	5	3	3	0	0	0	0	0	0	0	2	2

Borough of South New Castle - weather forecast by months

Best time to visit Borough of South New Castle:

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

May — 10.7(h)
June — 11.1(h)
July — 11.6(h)
August — 11.0(h)

The largest precipitation sum in Borough of South New Castle is at

January — 132(mm)

June — 122(mm)

Weather forecast in the closest to Borough of South New Castle admin centers

Explore Borough of South New Castle

Frequently asked questions

When is the best time to visit Borough of South New Castle?

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

What is the weather like in Borough of South New Castle?

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

How many sunny days does Borough of South New Castle have?

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