Climate and monthly weather forecast
Newcastle, OK

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Weather in January

January, like December, is a frosty winter month in Newcastle, Oklahoma, with an average temperature fluctuating between 32°F and 49.1°F. Newcastle's January weather, with an average high temperature of 49.1°F and an average low temperature of 32°F, tends to be the coldest of the year. Weather in January »

Weather in February

February, the last month of the winter in Newcastle, is a cool month, with an average temperature fluctuating between 52°F and 35.1°F. February's arrival brings an average high-temperature of a fresh 52°F, slightly deviating from January's 49.1°F. Weather in February »

Weather in March

March, the first month of the spring in Newcastle, is a refreshing month, with an average temperature fluctuating between 63°F and 44.8°F. As Newcastle transitions into March, the average high-temperature is observed to rise from a fresh 52°F in February to an enjoyable 63°F. Weather in March »

Weather in April

April is an agreeable spring month in Newcastle, Oklahoma, with an average temperature ranging between min 51.4°F and max 70.9°F. April's arrival coincides with a subtle temperature rise, moving from March's enjoyable 63°F to an agreeable 70.9°F. Weather in April »

Weather in May

May, the last month of the spring in Newcastle, is a warm month, with an average temperature fluctuating between 59.9°F and 78.1°F. May's arrival coincides with a subtle temperature rise, moving from April's agreeable 70.9°F to a moderately hot 78.1°F. Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Newcastle, Oklahoma, with an average temperature fluctuating between 88.5°F and 70.3°F. The rise of average high-temperatures is seen in June, with an increase from a moderately hot 78.1°F in May to a hot 88.5°F. Weather in June »

Weather in July

July, the same as June, in Newcastle, Oklahoma, is a hot summer month, with an average temperature fluctuating between 93.6°F and 73.2°F. The warmest time of the year is July, with temperatures averaging a high of 93.6°F and a low of 73.2°F. The heat index value during July is calculated to be an extremely hot 111.2°F. Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Newcastle, Oklahoma, with temperature in the range of an average low of 72°F and an average high of 93.2°F. The average high-temperature during August registers at a still hot 93.2°F, closely corresponding to the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Newcastle, Oklahoma, with an average temperature ranging between max 84.6°F and min 65.7°F. The move into September indicates a slight reduction in the average high-temperature, down from August's hot 93.2°F to a moderately hot 84.6°F. Weather in September »

Weather in October

October, the same as September, in Newcastle, Oklahoma, is an agreeable autumn month, with an average temperature ranging between min 53.1°F and max 71.2°F. The onset of October introduces a moderate change in Newcastle's weather, with average high-temperatures falling from September's moderately hot 84.6°F to a pleasant 71.2°F. Weather in October »

Weather in November

The last month of the autumn, November, is also a moderate month in Newcastle, Oklahoma, with temperature in the range of an average high of 60.1°F and an average low of 42.4°F. The shift from October to November involves a decrease in the average high-temperature, from an agreeable 71.2°F to a moderate 60.1°F. Weather in November »

Weather in December

December, the first month of the winter in Newcastle, is also a frosty month, with an average temperature fluctuating between 34.2°F and 49.3°F. Newcastle experiences a temperature shift at the start of December, with average high-temperatures adjusting from a mild 60.1°F in November to a chilly 49.3°F. Weather in December »
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FAQ

What part of the year is the coldest in Newcastle?

The coldest month in Newcastle, Oklahoma, is January, with an average high-temperature of 49.1°F and an average low-temperature of 32°F.

How many days does it rain in Newcastle?

In Newcastle, Oklahoma, during the entire year, the rain falls for 119.9 days and collects up to 24.09" of precipitation.

When does it snow in Newcastle?

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

How much does it snow in Newcastle?

Throughout the year, in Newcastle, Oklahoma, there are 5.9 snowfall days, and 2.95" of snow is accumulated.

What is the driest month in Newcastle?

February and December are months with the least rain in Newcastle, Oklahoma, when the rain falls for 6.9 days and typically aggregates up to 0.98" of rain.

What is the snowiest month in Newcastle?

February is the month with the most snowfall in Newcastle, Oklahoma. Snow falls for 1.8 days and accumulates 1.1" of snow.

When is Daylight Saving Time (DST) in Newcastle?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow in Newcastle?

In Newcastle, Oklahoma, snow does not fall in April through October.

What is the most humid month in Newcastle?

The most humid month is May, with an average relative humidity of 74%.

What is the rainiest month in Newcastle?

May is the month with the most rainfall in Newcastle. Rain falls for 14.6 days and accumulates 3.82" of precipitation.

When are the longest days in Newcastle?

The month with the longest days is June, with an average of 14h and 30min of daylight.

What are the months with the highest UV index in Newcastle?

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

What is the hottest time of year in Newcastle?

The warmest temperatures occur during July, when averages reach a peak of 93.6°F and a low of 73.2°F.

What are the months with the most sunshine in Newcastle?

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

What is the least humid month in Newcastle?

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

What is the month with the shortest days in Newcastle?

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

What is the month with the least sunshine in Newcastle?

With an average of 6.1h of sunshine, December has the least sunshine of the year in Newcastle.

When is the lowest UV index in Newcastle?

December is the month with the lowest UV index in Newcastle, Oklahoma, 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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