Monthly weather forecast and climate
New Castle, IN

The coldest months are January and December, with an average high-temperature of 37.9°F (3.3°C). In New Castle, during January, the rain falls for 6.6 days and regularly aggregates up to 3.3" (83.8mm) of precipitation.
Weather in January »
The average high-temperature, is 41°F (5°C), while the average low-temperature is 23°F (-5°C). In February, the rain falls for 5.9 days.
Weather in February »
In New Castle, the average high-temperature is 46.9°F (8.3°C), and the average low-temperature is 27°F (-2.8°C). In March, the rain falls for 6.1 days.
Weather in March »
In April, the average high-temperature is 62.1°F (16.7°C), and the average low-temperature is 39°F (3.9°C). In New Castle, during 6.9 rainfall days, 4.3" (109.2mm) of precipitation is typically accumulated.
Weather in April »
The average high-temperature, is 73°F (22.8°C), while the average low-temperature is 48.9°F (9.4°C). In New Castle, it is raining for 6.9 days, with typically 4.3" (109.2mm) of accumulated precipitation.
Weather in May »
The average high-temperature, in June, is 82°F (27.8°C), while the average low-temperature is 59°F (15°C). The month with the most rainfall is June when the rain falls for 7.7 days and typically aggregates up to 4.9" (124.5mm) of precipitation.
Weather in June »
July is the warmest month, with an average high-temperature of 87.1°F (30.6°C) and an average low-temperature of 62.1°F (16.7°C). In New Castle, Indiana, in July, during 6.3 rainfall days, 3.6" (91.4mm) of precipitation is typically accumulated.
Weather in July »
In New Castle, the average high-temperature is 84.9°F (29.4°C), and the average low-temperature is 59°F (15°C). In August, the rain falls for 5.5 days.
Weather in August »
The average high-temperature, in September, is 79°F (26.1°C), while the average low-temperature is 50°F (10°C). In New Castle, during 4.4 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.
Weather in September »
In New Castle, the average high-temperature is 68°F (20°C), and the average low-temperature is 39.9°F (4.4°C). October is the month with the least rainfall.
Weather in October »
The average high-temperature, in November, is 50°F (10°C), while the average low-temperature is 28°F (-2.2°C). In New Castle, it is raining for 4.9 days, with typically 2.9" (73.7mm) of accumulated precipitation.
Weather in November »
January and December, with an average high-temperature of 37.9°F (3.3°C), are the coldest months. In New Castle, Indiana, it is raining for 5.5 days, with typically 2.5" (63.5mm) of accumulated precipitation.
Weather in December »

What is the coldest month in New Castle?

The coldest months are January and December, with an average high-temperature of 37.9°F (3.3°C).

How much does it rain in New Castle?

Throughout the year, there are 70.7 rainfall days, and 39.4" (1000.7mm) of precipitation is accumulated.

What is the wettest month in New Castle?

The month with the most rainfall in New Castle, Indiana, is June when the rain falls for 7.7 days and typically aggregates up to 4.9" (124.5mm) of precipitation.

When are the longest days in New Castle?

June has the longest days of the year in New Castle, Indiana, with an average of 15h of daylight.

What is the warmest month in New Castle?

With an average high-temperature of 87.1°F (30.6°C) and an average low-temperature of 62.1°F (16.7°C), July is the warmest month in New Castle.

What is the driest month in New Castle?

The month with the least rainfall is October when the rain falls for 4 days and typically collects 2.3" (58.4mm) of precipitation.

What is the month with the shortest days in New Castle?

December has the shortest days of the year, with an average of 9.4h of daylight.
Average rainfall - New Castle, IN
Average rainfall days - New Castle, IN

The month with the highest number of rainy days is June (7.7 days).
The month with the lowest number of rainy days is October (4 days).

Average daylight - New Castle, IN
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