Climate and monthly weather forecast
Newcastle, TX

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Weather in January

January, like December, in Newcastle, Texas, is a cool winter month, with an average temperature ranging between min 37°F (2.8°C) and max 55°F (12.8°C). The introduction of January sees an average high-temperature of a still cool 55°F (12.8°C), hardly deviating from December. Weather in January »

Weather in February

February, the last month of the winter in Newcastle, is a moderate month, with an average temperature ranging between min 40.1°F (4.5°C) and max 58.6°F (14.8°C). The commencement of February introduces an average high-temperature of a refreshing 58.6°F (14.8°C), closely mirroring the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Newcastle, is an agreeable month, with an average temperature fluctuating between 68.9°F (20.5°C) and 48.9°F (9.4°C). Entering March, Newcastle sees a temperature rise, with the average high-temperature advancing from February's moderate 58.6°F (14.8°C) to a pleasant 68.9°F (20.5°C). Weather in March »

Weather in April

April is a moderately hot spring month in Newcastle, Texas, with an average temperature varying between 76.6°F (24.8°C) and 54.7°F (12.6°C). April marks a minor ascent in the average high-temperature, adjusting from March's pleasant 68.9°F (20.5°C) to a warm 76.6°F (24.8°C). Weather in April »

Weather in May

May, the last month of the spring in Newcastle, is another warm month, with an average temperature varying between 83.5°F (28.6°C) and 62.8°F (17.1°C). With the onset of May, Newcastle observes a minor temperature ascent, with the average high-temperature adjusting from April's warm 76.6°F (24.8°C) to a still moderately hot 83.5°F (28.6°C). Weather in May »

Weather in June

June, the first month of the summer in Newcastle, is a hot month, with an average temperature varying between 72.3°F (22.4°C) and 93.4°F (34.1°C). The arrival of June brings an increase in high-temperatures, moving from a moderately hot 83.5°F (28.6°C) in May to a hot 93.4°F (34.1°C). Weather in June »

Weather in July

July in Newcastle, Texas, is a very hot summer month, with an average temperature fluctuating between 96.4°F (35.8°C) and 75.7°F (24.3°C). Newcastle in July witnesses an average high-temperature of a torrid 96.4°F (35.8°C), indicating a slight variation from June's 93.4°F (34.1°C). Weather in July »

Weather in August

The last month of the summer, August, is also a fiery hot month in Newcastle, Texas, with an average temperature fluctuating between 97°F (36.1°C) and 75.7°F (24.3°C). In Newcastle, the month of August is known for its highest average temperatures, reaching a high of 97°F (36.1°C) and a low of 75.7°F (24.3°C). The average heat index in August is estimated at a blistering 109.4°F (43°C). Weather in August »

Weather in September

September, the first month of the autumn in Newcastle, is also a hot month, with an average temperature varying between 69.1°F (20.6°C) and 87.4°F (30.8°C). The beginning of September involves a decrease in the average high-temperature, transitioning from a torrid 97°F (36.1°C) in August to a hot 87.4°F (30.8°C). Weather in September »

Weather in October

October, like September, in Newcastle, Texas, is a moderately hot autumn month, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 57°F (13.9°C). October's onset brings a slight change in high-temperatures, falling from a hot 87.4°F (30.8°C) in September to a warm 75.7°F (24.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Newcastle, is also an enjoyable month, with an average temperature ranging between max 64.8°F (18.2°C) and min 46.6°F (8.1°C). The arrival of November corresponds with a temperature reduction, down from October's warm 75.7°F (24.3°C) to a refreshing 64.8°F (18.2°C). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Newcastle, Texas, with an average temperature fluctuating between 37.9°F (3.3°C) and 54.9°F (12.7°C). In Newcastle, the month of December registers the lowest temperatures, averaging 54.9°F (12.7°C) at the peak and 37.9°F (3.3°C) at the lowest. Weather in December »
Updated: Jun 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How much does it rain?

Throughout the year, there are 104 rainfall days, and 18.58" (472mm) of precipitation is accumulated.

When does it snow in Newcastle?

Months with snowfall in Newcastle are January through April, November and December.

How much does it snow in Newcastle?

Throughout the year, there are 4.8 snowfall days, and 3.19" (81mm) of snow is accumulated.

What is the driest month?

The month with the least rainfall is February, when the rain falls for 5.7 days and typically collects 0.87" (22mm) of precipitation.

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 2 days and typically aggregates up to 1.73" (44mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the most humid month?

May is the most humid month, with an average relative humidity of 65%.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 11.8 days and typically aggregates up to 2.24" (57mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

When are the longest days in Newcastle?

June has the longest days of the year, with an average of 14h and 18min of daylight.

What is the month with the most sunshine?

June and July, with an average of 11.3h of sunshine, are months with the most sunshine.

What is the month with the highest UV index?

With an average maximum UV index of 8, July is the month with the highest UV index.

What are the warmest months?

August, with average temperatures reaching a high of 97°F (36.1°C) and a low of 75.7°F (24.3°C), is the warmest month.

What is the least humid month?

August is the least humid month, with an average relative humidity of 49%.

What is the coldest time of year?

Temperature readings reach their annual highs in December, averaging 54.9°F (12.7°C) and a minimum average of 37.9°F (3.3°C).

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 0min of daylight.

What is the month with the least sunshine in Newcastle?

With an average of 6.2h of sunshine, December has the least sunshine of the year in Newcastle.

When is the lowest UV index?

With an average maximum UV index of 2, December is the month with the lowest UV index.

Average temperature
Newcastle, TX

Average temperature - Newcastle, TX

The warmest month (with the highest average high temperature) is August (97°F).
The month with the lowest average high temperature is December (54.9°F).

The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (37°F).

Average pressure
Newcastle, TX

Average pressure - Newcastle, TX

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed
Newcastle, TX

Average wind speed - Newcastle, TX

The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).

Average humidity
Newcastle, TX

Average humidity - Newcastle, TX

The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is August (49%).

Average rainfall
Newcastle, TX

Average rainfall - Newcastle, TX

The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is February (0.87").

Average rainfall days
Newcastle, TX

Average rainfall days - Newcastle, TX

The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is January (4.8 days).

Average snowfall
Newcastle, TX

Average snowfall - Newcastle, TX

The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Newcastle, TX

Average snowfall days - Newcastle, TX

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Newcastle, TX

Average daylight / Average sunshine - Newcastle, TX

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).

Average sunshine days
Newcastle, TX

Average sunshine days - Newcastle, TX

The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is September (16.2 days).

Average visibility
Newcastle, TX

Average visibility - Newcastle, TX

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Newcastle, Texas, USA

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