Climate and monthly weather forecast
Mountcastle, VA

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Weather in January

January, like December, is a frosty winter month in Mountcastle, Virginia, with an average temperature varying between 45.1°F (7.3°C) and 30.2°F (-1°C). The lowest temperatures are recorded in January, with averages reaching a high of 45.1°F (7.3°C) and a low of 30.2°F (-1°C). Weather in January »

Weather in February

The last month of the winter, February, is also a frosty month in Mountcastle, Virginia, with temperature in the range of an average low of 32.7°F (0.4°C) and an average high of 49.6°F (9.8°C). Mountcastle's average high-temperature in February is a still chilly 49.6°F (9.8°C), indicating a subtle variation from January. Weather in February »

Weather in March

The first month of the spring, March, is a mild month in Mountcastle, Virginia, with temperature in the range of an average high of 55.9°F (13.3°C) and an average low of 38.8°F (3.8°C). Mountcastle observes a slight uplift in the average high-temperature with the onset of March, adjusting from February's frosty 49.6°F (9.8°C) to a mild 55.9°F (13.3°C). Weather in March »

Weather in April

April in Mountcastle, Virginia, is an enjoyable spring month, with an average temperature ranging between min 49.1°F (9.5°C) and max 67.6°F (19.8°C). The transition from March to April brings a temperature rise, with average high-temperatures increasing from a mild 55.9°F (13.3°C) to a still refreshing 67.6°F (19.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Mountcastle, Virginia, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 57.9°F (14.4°C). May sees a temperature increase, moving from an enjoyable 67.6°F (19.8°C) in April to a warm 76.6°F (24.8°C). Weather in May »

Weather in June

June, the first month of the summer in Mountcastle, is also a moderately hot month, with an average temperature varying between 84.9°F (29.4°C) and 65.3°F (18.5°C). June signals a minor shift in the average high-temperature, moving from May's 76.6°F (24.8°C) to a still moderately hot 84.9°F (29.4°C). Weather in June »

Weather in July

July is a tropical summer month in Mountcastle, Virginia, with an average temperature varying between 89.2°F (31.8°C) and 69.4°F (20.8°C). The warmest month is July, with an average high-temperature of 89.2°F (31.8°C) and an average low-temperature of 69.4°F (20.8°C). The average heat index in July is computed to be an extremely hot 105.8°F (41°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Mountcastle, Virginia, with an average temperature fluctuating between 68.2°F (20.1°C) and 87.1°F (30.6°C). Entering August, the average high-temperature is recorded at a still tropical 87.1°F (30.6°C), exhibiting a minimal shift from July's 89.2°F (31.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Mountcastle, Virginia, with an average temperature fluctuating between 80.8°F (27.1°C) and 63°F (17.2°C). The average high-temperature slightly decreases in September, shifting from a tropical 87.1°F (30.6°C) in August to a warm 80.8°F (27.1°C). Weather in September »

Weather in October

October, the same as September, in Mountcastle, Virginia, is another pleasant autumn month, with an average temperature ranging between max 69.6°F (20.9°C) and min 52.7°F (11.5°C). The beginning of October marks a decrease in the average high-temperature, transitioning from a warm 80.8°F (27.1°C) in September to a pleasant 69.6°F (20.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Mountcastle, is another mild month, with temperature in the range of an average high of 57.7°F (14.3°C) and an average low of 41.5°F (5.3°C). The move into November indicates a reduction in the average high-temperature, down from October's pleasant 69.6°F (20.9°C) to a mild 57.7°F (14.3°C). Weather in November »

Weather in December

December, the first month of the winter in Mountcastle, is still a cool month, with an average temperature ranging between min 35.8°F (2.1°C) and max 50.2°F (10.1°C). December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a refreshing 57.7°F (14.3°C) in November to a cool 50.2°F (10.1°C). Weather in December »

Frequently asked questions

What month is the coldest?

January, marked by an average high-temperature of 45.1°F (7.3°C) and a low-temperature of 30.2°F (-1°C), is the coldest month.

How much does it rain?

Throughout the year, there are 166.1 rainfall days, and 33.27" (845mm) of precipitation is accumulated.

When does it snow?

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

How many days does it snow?

In Mountcastle, during the entire year, snow falls for 10.3 days and aggregates up to 5.71" (145mm) of snow.

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

The months with the lowest UV index are January and December, with an average maximum UV index of 2.

When does it snow the most?

The month with the most snowfall in Mountcastle is February, when snow falls for 3.3 days and typically aggregates up to 1.57" (40mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is February, with an average of 5.2h of sunshine.

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 EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow?

May through October are months without snowfall.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

When are the longest days?

The month with the longest days is June, with an average of 14h and 42min of daylight.

What are the warmest months?

In Mountcastle, July is known for its average highest temperatures, reaching a high of 89.2°F (31.8°C) and a low of 69.4°F (20.8°C).

What is the least humid month?

With an average relative humidity of 73%, July is the least humid month.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.4h of sunshine.

What is the rainiest month in Mountcastle?

The month with the most rainfall is August, when the rain falls for 17.4 days and typically aggregates up to 3.7" (94mm) of precipitation.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13 days and typically collects 2.01" (51mm) of precipitation.

What is the most humid month?

December is the most humid month, with an average relative humidity of 79%.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

Average temperature
Mountcastle, VA

Average temperature - Mountcastle, VA

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (45.1°F).

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure
Mountcastle, VA

Average pressure - Mountcastle, VA

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed
Mountcastle, VA

Average wind speed - Mountcastle, VA

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity
Mountcastle, VA

Average humidity - Mountcastle, VA

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is July (73%).

Average rainfall
Mountcastle, VA

Average rainfall - Mountcastle, VA

The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days
Mountcastle, VA

Average rainfall days - Mountcastle, VA

The month with the highest number of rainy days is May (18.4 days).
The months with the least rainy days are January and November (10.2 days).

Average snowfall
Mountcastle, VA

Average snowfall - Mountcastle, VA

The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Mountcastle, VA

Average snowfall days - Mountcastle, VA

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Mountcastle, VA

Average daylight / Average sunshine - Mountcastle, VA

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days
Mountcastle, VA

Average sunshine days - Mountcastle, VA

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10.9 days).

Average UV index
Mountcastle, VA

Average UV index - Mountcastle, VA

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average visibility
Mountcastle, VA

Average visibility - Mountcastle, VA

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Mountcastle, Virginia, USA

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