Climate and monthly weather forecast
Newcastle, CA

Share

Weather in January

January, like December, in Newcastle, California, is a cool winter month, with an average temperature varying between 39.7°F (4.3°C) and 55°F (12.8°C). The beginning of January records an average high-temperature of a still fresh 55°F (12.8°C), almost echoing the conditions of the previous month. Weather in January »

Weather in February

The last month of the winter, February, is a moderate month in Newcastle, California, with temperature in the range of an average high of 56.5°F (13.6°C) and an average low of 39.7°F (4.3°C). Newcastle greets February with an average high-temperature of a mild 56.5°F (13.6°C), marking a slight deviation from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Newcastle, is still a mild month, with an average temperature fluctuating between 41.9°F (5.5°C) and 58.8°F (14.9°C). The transition into March shows a subtle variation to a still refreshing 58.8°F (14.9°C) from February's 56.5°F (13.6°C) in the average high-temperature. Weather in March »

Weather in April

April is a comfortable spring month in Newcastle, California, with an average temperature varying between 65.8°F (18.8°C) and 45.1°F (7.3°C). Newcastle's April weather indicates a minor ascent in high-temperatures, adjusting from a refreshing 58.8°F (14.9°C) in March to a comfortable 65.8°F (18.8°C). Weather in April »

Weather in May

May, the last month of the spring in Newcastle, is a warm month, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 73.8°F (23.2°C). A slight uplift of average high-temperatures is noted in May, with temperatures adjusting from a refreshing 65.8°F (18.8°C) in April to a moderately hot 73.8°F (23.2°C). Weather in May »

Weather in June

June, the first month of the summer in Newcastle, is still a warm month, with an average temperature ranging between max 84.6°F (29.2°C) and min 56.7°F (13.7°C). The average high-temperature increases in June, moving from a moderately hot 73.8°F (23.2°C) in May to a still warm 84.6°F (29.2°C). Weather in June »

Weather in July

July in Newcastle, California, is a hot summer month, with an average temperature fluctuating between 91.9°F (33.3°C) and 60.6°F (15.9°C). With average high temperatures of 91.9°F (33.3°C) and lows of 60.6°F (15.9°C), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Newcastle, California, with temperature in the range of an average low of 60.3°F (15.7°C) and an average high of 91°F (32.8°C). August's presence records an average high-temperature of a still tropical 91°F (32.8°C), closely mirroring July's climate. Weather in August »

Weather in September

September, the first month of the autumn in Newcastle, is also a moderately hot month, with an average temperature fluctuating between 58.1°F (14.5°C) and 85.8°F (29.9°C). September's presence records an average high-temperature of a warm 85.8°F (29.9°C), closely mirroring August's climate. Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Newcastle, California, with an average temperature fluctuating between 73.6°F (23.1°C) and 52.3°F (11.3°C). A subtle decrease in the average high-temperature marks October, falling from September's 85.8°F (29.9°C) to a still warm 73.6°F (23.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Newcastle, California, with an average temperature ranging between max 61.3°F (16.3°C) and min 44.4°F (6.9°C). In November, the average high-temperature decreases from a warm 73.6°F (23.1°C) in October to an enjoyable 61.3°F (16.3°C). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Newcastle, California, with an average temperature varying between 39.2°F (4°C) and 53.4°F (11.9°C). December is the coldest month, with the temperature often reaching an average high of 53.4°F (11.9°C) and an average low of 39.2°F (4°C). Weather in December »
[Resources]

Frequently asked questions

How many days does it rain in Newcastle?

Throughout the year, there are 84.8 rainfall days, and 28.86" (733mm) of precipitation is accumulated.

When it does not snow in Newcastle?

January, April through November are months without snowfall in Newcastle, California.

How much does it snow in Newcastle?

In Newcastle, California, during the entire year, snow aggregates up to 2.09" (53mm).

What are the months with the least sunshine in Newcastle?

January and December, with an average of 5.8h of sunshine, are months with the least sunshine.

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

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Newcastle.

When does it snow in Newcastle?

Months with snowfall are February, March and December.

When does it snow the most in Newcastle?

February is the month with the most snowfall. Snow falls for 0.6 days and accumulates 1.18" (30mm) of snow.

What is the most humid month in Newcastle?

With an average relative humidity of 75%, March is the most humid month in Newcastle, California.

What is the wettest month in Newcastle?

The month with the most rainfall is March, when the rain falls for 15.4 days and typically aggregates up to 5.63" (143mm) of precipitation.

When is Daylight Saving Time (DST) in Newcastle?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Newcastle, California, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When are the longest days in Newcastle?

June has the longest days of the year, with an average of 14h and 48min of daylight.

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

The months with the highest UV index in Newcastle, California, are June and July, with an average maximum UV index of 7.

What month is the hottest in Newcastle?

In Newcastle, July is known for its average highest temperatures, reaching a high of 91.9°F (33.3°C) and a low of 60.6°F (15.9°C).

What is the least humid month in Newcastle?

With an average relative humidity of 38%, July is the least humid month in Newcastle.

What is the driest month in Newcastle?

The months with the least rainfall are July and August Rain falls for 1 days and accumulates 0.04" (1mm) of rain.

What month has the most sunshine in Newcastle?

July has the most sunshine of the year in Newcastle, California, with an average of 12.1h of sunshine.

What time of the year is the coldest in Newcastle?

Newcastle's coldest month, December, registers temperatures that range from a high of 53.4°F (11.9°C) to a low of 39.2°F (4°C).

What is the month with the shortest days in Newcastle?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

Average temperature
Newcastle, CA

Average temperature - Newcastle, CA

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (53.4°F).

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is December (39.2°F).

[Resources]

Average pressure
Newcastle, CA

Average pressure - Newcastle, CA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

[Resources]

Average wind speed
Newcastle, CA

Average wind speed - Newcastle, CA

The windiest months (with the highest average wind speed) are February and March (5.7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

[Resources]

Average rainfall
Newcastle, CA

Average rainfall - Newcastle, CA

The wettest month (with the highest rainfall) is March (5.63").
The driest months (with the least rainfall) are July and August (0.04").

[Resources]

Average rainfall days
Newcastle, CA

Average rainfall days - Newcastle, CA

The month with the highest number of rainy days is March (15.4 days).
The month with the least rainy days is July (1 days).

[Resources]

Average snowfall
Newcastle, CA

Average snowfall - Newcastle, CA

The month with the highest snowfall is February (1.18").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days
Newcastle, CA

Average snowfall days - Newcastle, CA

The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).

[Resources]

Average daylight / Average sunshine
Newcastle, CA

Average daylight / Average sunshine - Newcastle, CA

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

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).

[Resources]

Average sunshine days
Newcastle, CA

Average sunshine days - Newcastle, CA

The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is March (14.6 days).

[Resources]

Average UV index
Newcastle, CA

Average UV index - Newcastle, CA

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

[Resources]

Average visibility
Newcastle, CA

Average visibility - Newcastle, CA

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).

[Resources]

Newcastle, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location