Climate and monthly weather forecast
Twin Knolls, MD

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Weather in January

January, the same as December, is another cold winter month in Twin Knolls, Maryland, with an average temperature varying between 24.8°F (-4°C) and 37.4°F (3°C). In Twin Knolls, the month of January registers the lowest temperatures, averaging 37.4°F (3°C) at the peak and 24.8°F (-4°C) at the lowest. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Twin Knolls, Maryland, with an average temperature varying between 41.4°F (5.2°C) and 27°F (-2.8°C). In February, Twin Knolls experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 37.4°F (3°C) in January to a still icy 41.4°F (5.2°C). Weather in February »

Weather in March

March, the first month of the spring in Twin Knolls, is a frosty month, with an average temperature ranging between max 49.8°F (9.9°C) and min 34°F (1.1°C). The arrival of March signals a slight increase in the average high-temperature, moving from a cold 41.4°F (5.2°C) in February to a frosty 49.8°F (9.9°C). Weather in March »

Weather in April

April in Twin Knolls, Maryland, is a comfortable spring month, with temperature in the range of an average high of 62.1°F (16.7°C) and an average low of 43.9°F (6.6°C). April marks a rise in the average high-temperature, moving from March's frosty 49.8°F (9.9°C) to a refreshing 62.1°F (16.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Twin Knolls, Maryland, with an average temperature varying between 71.4°F (21.9°C) and 54.1°F (12.3°C). The shift into May brings an increase in the average high-temperature, moving from an enjoyable 62.1°F (16.7°C) in April to a pleasant 71.4°F (21.9°C). Weather in May »

Weather in June

June, the first month of the summer in Twin Knolls, is a moderately hot month, with an average temperature fluctuating between 79°F (26.1°C) and 61.7°F (16.5°C). The embrace of June brings a minor uplift in the average high-temperature, shifting from a pleasant 71.4°F (21.9°C) in May to a warm 79°F (26.1°C). Weather in June »

Weather in July

July, like June, in Twin Knolls, Maryland, is a moderately hot summer month, with an average temperature varying between 84.2°F (29°C) and 66.7°F (19.3°C). In Twin Knolls, July is identified by the highest average temperatures, reaching a peak of 84.2°F (29°C) and a low of 66.7°F (19.3°C). The heat index value for July is calculated to be a hot 93.2°F (34°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Twin Knolls, Maryland, with an average temperature ranging between min 64.9°F (18.3°C) and max 82.4°F (28°C). August's arrival brings an average high-temperature of a still warm 82.4°F (28°C), slightly deviating from July's 84.2°F (29°C). Weather in August »

Weather in September

September, the first month of the autumn in Twin Knolls, is still a warm month, with an average temperature fluctuating between 75.9°F (24.4°C) and 58.8°F (14.9°C). With the onset of September, the average high-temperature subtly recedes from August's 82.4°F (28°C) to a still moderately hot 75.9°F (24.4°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Twin Knolls, Maryland, with an average temperature varying between 64.2°F (17.9°C) and 48.4°F (9.1°C). The onset of October comes with a shift in the average high-temperature, falling from a moderately hot 75.9°F (24.4°C) in September to an enjoyable 64.2°F (17.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Twin Knolls, is another cool month, with an average temperature ranging between min 37.2°F (2.9°C) and max 51.8°F (11°C). As October transitions to November, the average high-temperature falls from a comfortable 64.2°F (17.9°C) to a cool 51.8°F (11°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Twin Knolls, Maryland, with an average temperature ranging between min 31.3°F (-0.4°C) and max 43.3°F (6.3°C). As December begins, there is a minor decrease in the average high-temperature, softly falling from a cool 51.8°F (11°C) in November to a chilly 43.3°F (6.3°C). Weather in December »
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Frequently asked questions

What is the coldest month in Twin Knolls?

In Twin Knolls, January is known for its average lowest temperatures, reaching a high of 37.4°F (3°C) and a low of 24.8°F (-4°C).

What are the least humid months in Twin Knolls?

The months with the lowest humidity are January, March, April, July and November, with an average relative humidity of 75%.

How much does it rain in Twin Knolls?

In Twin Knolls, during the entire year, the rain falls for 158.9 days and collects up to 31.38" (797mm) of precipitation.

When does it snow in Twin Knolls?

January through April, October through December are months with snowfall in Twin Knolls, Maryland.

How many days does it snow in Twin Knolls?

In Twin Knolls, Maryland, during the entire year, snow falls for 21.2 days and aggregates up to 10.55" (268mm) of snow.

What is the month with the lowest UV index in Twin Knolls?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Twin Knolls, Maryland.

What is the driest month in Twin Knolls?

February is the month with the least rainfall in Twin Knolls. Rain falls for 8.9 days and accumulates 1.89" (48mm) of precipitation.

What is the month with the least sunshine in Twin Knolls?

With an average of 4.7h of sunshine, February has the least sunshine of the year in Twin Knolls, Maryland.

What is the snowiest month in Twin Knolls?

March is the month with the most snowfall. Snow falls for 4.1 days and accumulates 3.46" (88mm) of snow.

When is Daylight Saving Time (DST) in Twin Knolls?

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.

What is the most humid month in Twin Knolls?

The most humid month in Twin Knolls, Maryland, is May, with an average relative humidity of 80%.

When it does not snow in Twin Knolls?

In Twin Knolls, snow does not fall in May through September.

What is the month with the highest UV index in Twin Knolls?

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

When are the longest days in Twin Knolls?

The month with the longest days in Twin Knolls is June, with an average of 14h and 54min of daylight.

What is the hottest time of year in Twin Knolls?

The temperatures reach their highest averages in July, with highs of 84.2°F (29°C) and lows of 66.7°F (19.3°C).

What month has the most sunshine in Twin Knolls?

With an average of 10.6h of sunshine, July has the most sunshine of the year in Twin Knolls.

What is the rainiest month in Twin Knolls?

August is the month with the most rainfall. Rain falls for 16.5 days and accumulates 3.86" (98mm) of precipitation.

What is the month with the shortest days in Twin Knolls?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

Average temperature
Twin Knolls, MD

Average temperature - Twin Knolls, MD

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (37.4°F).

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure
Twin Knolls, MD

Average pressure - Twin Knolls, MD

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed
Twin Knolls, MD

Average wind speed - Twin Knolls, MD

The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity
Twin Knolls, MD

Average humidity - Twin Knolls, MD

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March, April, July and November (75%).

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Average rainfall
Twin Knolls, MD

Average rainfall - Twin Knolls, MD

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is February (1.89").

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Average rainfall days
Twin Knolls, MD

Average rainfall days - Twin Knolls, MD

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall
Twin Knolls, MD

Average snowfall - Twin Knolls, MD

The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Twin Knolls, MD

Average snowfall days - Twin Knolls, MD

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Twin Knolls, MD

Average daylight / Average sunshine - Twin Knolls, MD

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days
Twin Knolls, MD

Average sunshine days - Twin Knolls, MD

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.2 days).

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Average UV index
Twin Knolls, MD

Average UV index - Twin Knolls, MD

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, February, November and December (UV index 2).

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Average visibility
Twin Knolls, MD

Average visibility - Twin Knolls, MD

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

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Twin Knolls, Maryland, USA

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