March weather forecast
Gaithersburg, MD

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Weather in March

The salient feature of Gaithersburg's March weather is the significant jump in temperatures from a low of 35.6°F (2°C) to a high of 51.4°F (10.8°C). The onset of spring is evident, and warmer days are more frequent. The city receives increased daylight, igniting the mood for outdoor activities. Snowfall gradually decreases throughout the month while Spring showers become more common. Remnants of winter wear off as March progresses, paving the way for a more pleasant climate.

Temperature

The shift into March is marked by a modest rise in the average high-temperature, moving from February's chilly 43.2°F (6.2°C) to a cool 51.4°F (10.8°C). The average temperature during March nights dips to a cold 35.6°F (2°C).

Humidity

The average relative humidity in March is 74%.

Rainfall

In Gaithersburg, during March, the rain falls for 12.5 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Gaithersburg, during the entire year, the rain falls for 154.8 days and collects up to 29.09" (739mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In Gaithersburg, Maryland, during March, snow falls for 3.3 days and regularly aggregates up to 2.56" (65mm) of snow. Throughout the year, there are 16.7 snowfall days, and 9.76" (248mm) of snow is accumulated.

Daylight

In March, the average length of the day is 11h and 59min.
On the first day of March, sunrise is at 6:40 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

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

UV index

In March, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 3 in March translates into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Frequently asked questions

What is the average March temperature?

In Gaithersburg, in March, the average high-temperature is 51.4°F (10.8°C), and the average low-temperature is 35.6°F (2°C).

What is the average humidity in March?

The average relative humidity in March is 74%.

How many days does it rain in March?

In Gaithersburg, during March, the rain falls for 12.5 days and regularly aggregates up to 2.13" (54mm) of precipitation.

How much does it snow in March?

In Gaithersburg, in March, snow falls for 3.3 days, with typically accumulated 2.56" (65mm) of snow.

What is the average length of the day in March?

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

When are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 6:40 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?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 Gaithersburg have in March?

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

What is the UV index reading in March?

In March, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Gaithersburg, MD

Average temperature in March - Gaithersburg, MD
  • Average high temperature in March: 51.4°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in March: 35.6°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in March
Gaithersburg, MD

Average pressure in March - Gaithersburg, 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).

Average wind speed in March
Gaithersburg, MD

Average wind speed in March - Gaithersburg, 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 (4.9mph).

Average humidity in March
Gaithersburg, MD

Average humidity in March - Gaithersburg, MD
  • Average humidity in March: 74%

The months with the highest relative humidity are May, October and December (77%).
The month with the lowest relative humidity is July (72%).

Average rainfall in March
Gaithersburg, MD

Average rainfall in March - Gaithersburg, MD
  • Average rainfall in March: 2.13"

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.73").

Average rainfall days in March
Gaithersburg, MD

Average rainfall days in March - Gaithersburg, MD
  • Average rainfall days in March: 12.5 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (8.7 days).

Average snowfall in March
Gaithersburg, MD

Average snowfall in March - Gaithersburg, MD
  • Average snowfall in March: 2.56"

The month with the highest snowfall is January (2.76").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in March
Gaithersburg, MD

Average snowfall days in March - Gaithersburg, MD
  • Average snowfall days in March: 3.3 days

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

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

Average daylight in March / Average sunshine in March - Gaithersburg, 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).

Average sunshine days in March
Gaithersburg, MD

Average sunshine days in March - Gaithersburg, MD
  • Average sunshine days in March: 15.6 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in March
Gaithersburg, MD

Average UV index in March - Gaithersburg, 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).

Average cloud cover in March
Gaithersburg, MD

Average cloud cover in March - Gaithersburg, 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).

Average visibility in March
Gaithersburg, MD

Average visibility in March - Gaithersburg, 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).

Gaithersburg, Maryland, USA

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