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New Castle
Weather averages
ClimateForecastNovemberDecember >>

New Castle (DE) Climate by Month

The graphs below provide an overview of the climate in New Castle (Delaware), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year
* Data from: Philadelphia, the United States of America (47 KM, 29 Miles).

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year
* Data from: Philadelphia, the United States of America (47 KM, 29 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average humidity

The mean monthly relative humidity over the year
* Data from: Philadelphia, the United States of America (47 KM, 29 Miles).

Forecast for New Castle (DE)

Tue   Nov 19
15°C | 8°C
NE 11 km/h
1.2 mm
partly cloudy and small chance of slight rain

partly cloudy and small chance of slight rain

hourly forecast
Wed   Nov 20
17°C | 8°C
SE 11 km/h
3.8 mm
overcast and small chance of rain

overcast and small chance of rain

hourly forecast
Thu   Nov 21
12°C | 4°C
NW 29 km/h
9 mm
partly cloudy and rain

partly cloudy and rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit New Castle in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • When is summer in New Castle?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in New Castle?
    July has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in New Castle?
    The coldest month is February with an average maximum temperature of 5°C.
  • Which is the wettest month in New Castle?
    June tops the wettest month list with 145 mm of rainfall.
  • Which is the driest month in New Castle?
    November is the driest month with 75 mm of precipitation.
  • Which is the sunniest month in New Castle?
    July is the sunniest month with an average of 275 hours of sunshine.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     


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