March weather forecast
Rockville, MD

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Weather in March

There's a significant change in Rockville's climate by March. Temperatures range from 52°F (11.1°C) at a high to 36.1°F (2.3°C) at a low, signaling the approach of spring. The weather becomes increasingly dynamic, with alterations between bright, sunny days and significant rainfall. Snow gradually disappears from the landscape, replaced by the blooming colors of early flowers. Concurrently, the wind shows no sign of relenting, remaining a continual feature of Rockville's March weather.

Temperature

Rockville's weather shows a minor temperature rise with the arrival of March, moving from a frosty 43.9°F (6.6°C) in February to a cool 52°F (11.1°C). The average nighttime temperature lowers to a cold 36.1°F (2.3°C) throughout March.

Humidity

In Rockville, the average relative humidity in March is 73%.

Rainfall

In Rockville, Maryland, in March, during 12.8 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, in Rockville, there are 156.4 rainfall days, and 30.79" (782mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. March is the month with the most snowfall in Rockville. Snow falls for 3.2 days and accumulates 3.03" (77mm) of snow.

Daylight

In March, the average length of the day is 11h and 59min.
On the first day of March in Rockville, Maryland, sunrise is at 6:39 am and sunset at 6:01 pm EST. On the last day of the month, sunrise is at 6:53 am and sunset at 7:31 pm EDT.
Note: 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 lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

The average sunshine in March is 6.8h.

UV index

In March, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: During March, 3 as the daily maximum UV index converts into the following advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

What are the temperatures in Rockville in March?

In March, in Rockville, the average high-temperature is 52°F (11.1°C), and the average low-temperature is 36.1°F (2.3°C).

What is the average humidity in March in Rockville?

The average relative humidity in March is 73%.

How much does it rain in Rockville in March?

In March, the rain falls for 12.8 days. Throughout March, 2.32" (59mm) of precipitation is accumulated.

What is the snowiest month in Rockville?

March is the month with the most snowfall in Rockville, Maryland. Snow falls for 3.2 days and accumulates 3.03" (77mm) of snow.

How many days does it snow in March in Rockville?

In Rockville, in March, during 3.2 snowfall days, 3.03" (77mm) of snow is typically accumulated.

How many hours of daylight does Rockville have in March?

In March, the average day length in Rockville is 11h and 59min.

When are sunrise and sunset in March in Rockville?

On the first day of March in Rockville, Maryland, sunrise is at 6:39 am and sunset at 6:01 pm EST. On the last day of the month, sunrise is at 6:53 am and sunset at 7:31 pm EDT.

When does Daylight Saving Time (DST) start in March in Rockville?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Rockville, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Rockville have in March?

In Rockville, Maryland, the average sunshine duration in March is 6.8h.

What is the UV index reading in March in Rockville?

The average daily maximum UV index in March in Rockville is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Rockville, MD

Average temperature in March - Rockville, MD
  • Average high temperature in March: 52°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in March: 36.1°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

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Average pressure in March
Rockville, MD

Average pressure in March - Rockville, MD
  • Average pressure in March: 30.08"Hg

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

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Average wind speed in March
Rockville, MD

Average wind speed in March - Rockville, MD
  • Average wind speed in March: 8mph

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in March
Rockville, MD

Average humidity in March - Rockville, MD
  • Average humidity in March: 73%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in March
Rockville, MD

Average rainfall in March - Rockville, MD
  • Average rainfall in March: 2.32"

The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (1.97").

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Average rainfall days in March
Rockville, MD

Average rainfall days in March - Rockville, MD
  • Average rainfall days in March: 12.8 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.2 days).

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Average snowfall in March
Rockville, MD

Average snowfall in March - Rockville, MD
  • Average snowfall in March: 3.03"

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

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Average snowfall days in March
Rockville, MD

Average snowfall days in March - Rockville, MD
  • Average snowfall days in March: 3.2 days

The months with the highest number of snowfall days are January and February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in March /
Average sunshine in March
Rockville, MD

Average daylight in March / Average sunshine in March - Rockville, MD
  • Average daylight in March: 12h and 0min

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).

  • Average sunshine in March: 6h and 5min

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

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Average sunshine days in March
Rockville, MD

Average sunshine days in March - Rockville, MD
  • Average sunshine days in March: 14.8 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (12 days).

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Average UV index in March
Rockville, MD

Average UV index in March - Rockville, MD
  • Average UV index in March: 3

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 cloud cover in March
Rockville, MD

Average cloud cover in March - Rockville, MD
  • Average cloud cover in March: 46

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in March
Rockville, MD

Average visibility in March - Rockville, MD
  • Average visibility in March: 6mi

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).

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Rockville, Maryland, USA

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