Climate and monthly weather forecast
Simpsonville, MD

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Weather in January

January, like December, in Simpsonville, Maryland, is another cold winter month, with an average temperature varying between 38.1°F (3.4°C) and 26.1°F (-3.3°C). January, noted for its average high-temperature of 38.1°F (3.4°C) and an average low-temperature of 26.1°F (-3.3°C), is considered the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Simpsonville, is also an icy month, with an average temperature ranging between max 42.4°F (5.8°C) and min 28.6°F (-1.9°C). The commencement of February records an average high-temperature of a still icy 42.4°F (5.8°C), barely varying from January's 38.1°F (3.4°C). Weather in February »

Weather in March

March, the first month of the spring in Simpsonville, is a cool month, with an average temperature varying between 35.8°F (2.1°C) and 51.1°F (10.6°C). A slight uplift of average high-temperatures is noted in March, with temperatures adjusting from a wintry 42.4°F (5.8°C) in February to a fresh 51.1°F (10.6°C). Weather in March »

Weather in April

April in Simpsonville, Maryland, is an enjoyable spring month, with an average temperature varying between 45.9°F (7.7°C) and 63.1°F (17.3°C). With the onset of April, Simpsonville sees a temperature rise, with the average high-temperature moving from March's fresh 51.1°F (10.6°C) to a refreshing 63.1°F (17.3°C). Weather in April »

Weather in May

May, the last month of the spring in Simpsonville, is an agreeable month, with an average temperature ranging between max 72.7°F (22.6°C) and min 55.4°F (13°C). The arrival of May brings a temperature shift, with the average high-temperature escalating from an enjoyable 63.1°F (17.3°C) in April to an agreeable 72.7°F (22.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Simpsonville, Maryland, with an average temperature fluctuating between 64°F (17.8°C) and 80.6°F (27°C). The coming of June brings a minor shift in Simpsonville's weather, with average high-temperatures adjusting from May's agreeable 72.7°F (22.6°C) to a warm 80.6°F (27°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Simpsonville, Maryland, with an average temperature ranging between min 68.9°F (20.5°C) and max 85.8°F (29.9°C). July, with average temperatures reaching a high of 85.8°F (29.9°C) and a low of 68.9°F (20.5°C), is the warmest month. The heat index value during July is calculated to be a very hot 95°F (35°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Simpsonville, Maryland, with an average temperature fluctuating between 67.3°F (19.6°C) and 83.8°F (28.8°C). The introduction of August sees an average high-temperature of a still moderately hot 83.8°F (28.8°C), hardly deviating from July. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Simpsonville, Maryland, with an average temperature ranging between max 77°F (25°C) and min 60.6°F (15.9°C). The arrival of September correlates with a minor temperature reduction, down from August's 83.8°F (28.8°C) to a still moderately hot 77°F (25°C). Weather in September »

Weather in October

October, like September, in Simpsonville, Maryland, is another comfortable autumn month, with an average temperature varying between 50.2°F (10.1°C) and 65.1°F (18.4°C). October ushers in a slight temperature change, with average high-temperatures reducing from September's moderately hot 77°F (25°C) to an enjoyable 65.1°F (18.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Simpsonville, Maryland, with an average temperature fluctuating between 38.8°F (3.8°C) and 53.1°F (11.7°C). The arrival of November indicates a decrease in the average high-temperature, moving from a refreshing 65.1°F (18.4°C) in October to a fresh 53.1°F (11.7°C). Weather in November »

Weather in December

December, the first month of the winter in Simpsonville, is still a chilly month, with an average temperature fluctuating between 44.2°F (6.8°C) and 32.9°F (0.5°C). Simpsonville's progression into December involves a gentle drop in the average high-temperature, from a fresh 53.1°F (11.7°C) in November to a chilly 44.2°F (6.8°C). Weather in December »
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Frequently asked questions

What is the coldest month in Simpsonville?

January stands out as Simpsonville's coldest month, with an average high-temperature of 38.1°F (3.4°C) and a low-temperature of 26.1°F (-3.3°C).

What is the driest month in Simpsonville?

The month with the least rainfall in Simpsonville, Maryland, is January, when the rain falls for 8.4 days and typically collects 1.85" (47mm) of precipitation.

How much does it rain in Simpsonville?

Throughout the year, in Simpsonville, there are 159.3 rainfall days, and 30.31" (770mm) of precipitation is accumulated.

When does it snow in Simpsonville?

Months with snowfall in Simpsonville, Maryland, are January through March, November and December.

How many days does it snow in Simpsonville?

In Simpsonville, Maryland, during the entire year, snow falls for 15.9 days and aggregates up to 8.7" (221mm) of snow.

What are the months with the least sunshine in Simpsonville?

The months with the least sunshine in Simpsonville are January and February, with an average of 5.1h of sunshine.

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

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

What is the snowiest month in Simpsonville?

March is the month with the most snowfall in Simpsonville, Maryland. Snow falls for 3.3 days and accumulates 3.03" (77mm) of snow.

When is Daylight Saving Time (DST) in Simpsonville?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Simpsonville, 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 are the least humid months in Simpsonville?

April and July, with an average relative humidity of 72%, are the least humid months in Simpsonville, Maryland.

When it does not snow in Simpsonville?

In Simpsonville, snow does not fall in April through October.

What are the most humid months in Simpsonville?

The months with the highest humidity in Simpsonville are May and October, with an average relative humidity of 77%.

When is the highest UV index in Simpsonville?

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

When are the longest days in Simpsonville?

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

What part of the year is the hottest in Simpsonville?

July tends to be the warmest month in Simpsonville, Maryland, with temperatures averaging a daily high of 85.8°F (29.9°C) and a low of 68.9°F (20.5°C).

What month has the most sunshine in Simpsonville?

The month with the most sunshine is July, with an average of 10.8h of sunshine.

What is the rainiest month in Simpsonville?

The month with the most rainfall in Simpsonville is August, when the rain falls for 17.1 days and typically aggregates up to 4.06" (103mm) of precipitation.

What is the month with the shortest days in Simpsonville?

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

Average temperature
Simpsonville, MD

Average temperature - Simpsonville, MD

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (38.1°F).

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure
Simpsonville, MD

Average pressure - Simpsonville, 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
Simpsonville, MD

Average wind speed - Simpsonville, MD

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity
Simpsonville, MD

Average humidity - Simpsonville, MD

The months with the highest relative humidity are May and October (77%).
The months with the lowest relative humidity are April and July (72%).

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Average rainfall
Simpsonville, MD

Average rainfall - Simpsonville, MD

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days
Simpsonville, MD

Average rainfall days - Simpsonville, MD

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall
Simpsonville, MD

Average snowfall - Simpsonville, MD

The month with the highest snowfall is March (3.03").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Simpsonville, MD

Average snowfall days - Simpsonville, MD

The month with the highest number of snowfall days is February (4.6 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
Simpsonville, MD

Average daylight / Average sunshine - Simpsonville, 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 30min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).

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Average sunshine days
Simpsonville, MD

Average sunshine days - Simpsonville, MD

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11 days).

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Average UV index
Simpsonville, MD

Average UV index - Simpsonville, 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
Simpsonville, MD

Average visibility - Simpsonville, MD

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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Simpsonville, Maryland, USA

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