Climate and monthly weather forecast
Newcastle, OK

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Weather in January

January, the same as December, in Newcastle, Oklahoma, is a frosty winter month, with an average temperature fluctuating between 49.1°F (9.5°C) and 32°F (0°C). The coldest period is January, when temperatures fluctuate between an average high of 49.1°F (9.5°C) and a low of 32°F (0°C). Weather in January »

Weather in February

February, the last month of the winter in Newcastle, is a fresh month, with an average temperature varying between 35.1°F (1.7°C) and 52°F (11.1°C). Newcastle notes an average high-temperature of a cool 52°F (11.1°C) in February, displaying minor variation from January. Weather in February »

Weather in March

March, the first month of the spring in Newcastle, is a comfortable month, with an average temperature varying between 44.8°F (7.1°C) and 63°F (17.2°C). Newcastle's weather shows a temperature rise with the arrival of March, moving from a fresh 52°F (11.1°C) in February to a comfortable 63°F (17.2°C). Weather in March »

Weather in April

April in Newcastle, Oklahoma, is a pleasant spring month, with an average temperature fluctuating between 51.4°F (10.8°C) and 70.9°F (21.6°C). As April arrives, Newcastle's weather shows a minor increase in high-temperatures, edging from March's comfortable 63°F (17.2°C) to a pleasant 70.9°F (21.6°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Newcastle, Oklahoma, with an average temperature fluctuating between 78.1°F (25.6°C) and 59.9°F (15.5°C). As April gives way to May, the average high-temperature displays a slight ascent, adjusting from an agreeable 70.9°F (21.6°C) to a moderately hot 78.1°F (25.6°C). Weather in May »

Weather in June

June, the first month of the summer in Newcastle, is a hot month, with temperature in the range of an average low of 70.3°F (21.3°C) and an average high of 88.5°F (31.4°C). The onset of June brings a rise in the average high-temperature, elevating from a warm 78.1°F (25.6°C) in May to a hot 88.5°F (31.4°C). Weather in June »

Weather in July

July, like June, is a hot summer month in Newcastle, Oklahoma, with temperature in the range of an average high of 93.6°F (34.2°C) and an average low of 73.2°F (22.9°C). Newcastle's July weather, with an average high temperature of 93.6°F (34.2°C) and an average low temperature of 73.2°F (22.9°C), tends to be the warmest of the year. The average heat index in July is computed to be a scorching 111.2°F (44°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Newcastle, Oklahoma, with an average temperature ranging between min 72°F (22.2°C) and max 93.2°F (34°C). As Newcastle steps into August, the average high-temperature is measured at a still hot 93.2°F (34°C), displaying minor differences from July's 93.6°F (34.2°C). Weather in August »

Weather in September

September, the first month of the autumn in Newcastle, is still a warm month, with an average temperature fluctuating between 65.7°F (18.7°C) and 84.6°F (29.2°C). A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a hot 93.2°F (34°C) to a warm 84.6°F (29.2°C). Weather in September »

Weather in October

October, like September, is another pleasant autumn month in Newcastle, Oklahoma, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 53.1°F (11.7°C). In October, the average high-temperature decreases from a moderately hot 84.6°F (29.2°C) in September to a pleasant 71.2°F (21.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderate month in Newcastle, Oklahoma, with an average temperature ranging between min 42.4°F (5.8°C) and max 60.1°F (15.6°C). As October transitions into November, Newcastle sees a drop in the average high-temperature, transitioning from a pleasant 71.2°F (21.8°C) to a mild 60.1°F (15.6°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Newcastle, Oklahoma, with an average temperature ranging between max 49.3°F (9.6°C) and min 34.2°F (1.2°C). In December, the meteorological conditions alter, with the average high-temperature shifting from a refreshing 60.1°F (15.6°C) in November to a chilly 49.3°F (9.6°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Newcastle?

Newcastle, Oklahoma, experiences its average lowest temperatures in January, reaching a peak of 49.1°F (9.5°C) and a minimum of 32°F (0°C).

How much does it rain in Newcastle?

Throughout the year, there are 119.9 rainfall days, and 24.09" (612mm) of precipitation is accumulated.

When does it snow in Newcastle?

January through March, November and December are months with snowfall in Newcastle.

How much does it snow in Newcastle?

In Newcastle, Oklahoma, during the entire year, snow falls for 5.9 days and aggregates up to 2.95" (75mm) of snow.

What is the driest month in Newcastle?

The months with the least rainfall in Newcastle are February and December Rain falls for 6.9 days and accumulates 0.98" (25mm) of rain.

When does it snow the most in Newcastle?

The month with the most snowfall in Newcastle is February, when snow falls for 1.8 days and typically aggregates up to 1.1" (28mm) of snow.

When is Daylight Saving Time (DST) in Newcastle?

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.

When it does not snow in Newcastle?

April through October are months without snowfall.

What is the most humid month in Newcastle?

May is the most humid month in Newcastle, with an average relative humidity of 74%.

What is the wettest month in Newcastle?

May is the month with the most rainfall in Newcastle, Oklahoma. Rain falls for 14.6 days and accumulates 3.82" (97mm) of precipitation.

When are the longest days in Newcastle?

June has the longest days of the year in Newcastle, with an average of 14h and 30min of daylight.

When is the highest UV index in Newcastle?

The months with the highest UV index in Newcastle are June through August, with an average maximum UV index of 7.

What part of the year is the hottest in Newcastle?

With average temperatures fluctuating between a high of 93.6°F (34.2°C) and a low of 73.2°F (22.9°C), July stands out as the warmest month in Newcastle, Oklahoma.

What is the month with the most sunshine in Newcastle?

July and August, with an average of 11.1h of sunshine, are months with the most sunshine in Newcastle, Oklahoma.

What is the least humid month in Newcastle?

August is the least humid month in Newcastle, Oklahoma, with an average relative humidity of 59%.

What is the month with the shortest days in Newcastle?

With an average of 9h and 48min of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Newcastle?

The month with the least sunshine is December, with an average of 6.1h of sunshine.

What is the month with the lowest UV index in Newcastle?

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

Average pressure
Newcastle, OK

Average pressure - Newcastle, OK

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

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Average wind speed
Newcastle, OK

Average wind speed - Newcastle, OK

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

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Average rainfall
Newcastle, OK

Average rainfall - Newcastle, OK

The wettest month (with the highest rainfall) is May (3.82").
The driest months (with the least rainfall) are February and December (0.98").

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Average rainfall days
Newcastle, OK

Average rainfall days - Newcastle, OK

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (4.6 days).

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Average snowfall
Newcastle, OK

Average snowfall - Newcastle, OK

The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Newcastle, OK

Average snowfall days - Newcastle, OK

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Newcastle, OK

Average daylight / Average sunshine - Newcastle, OK

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

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

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Average sunshine days
Newcastle, OK

Average sunshine days - Newcastle, OK

The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is May (13.7 days).

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Average visibility
Newcastle, OK

Average visibility - Newcastle, OK

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).

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Newcastle, Oklahoma, USA

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