March weather - Spring 2024

Weather in March
Frequently asked questions
Average temperature in March
Average pressure in March
Average wind speed in March
Average humidity in March
Average rainfall in March
Average rainfall days in March
Average snowfall in March
Average snowfall days in March
Average daylight in March
Average sunshine in March
Average sunshine days in March
Average UV index in March
Average cloud cover in March
Average visibility in March

The red tree colors of the fall along a road and amid trees in this tranquil neighborhood in Hillsboro, Oregon

Weather in March

March officially marks the onset of spring in Hillsboro, accompanied by mild temperatures, with an average high of nearly 52.2°F (11.2°C). Relatively longer, brighter days can be expected with a dip in cloud coverage, while glimpses of blue skies are abundant. However, rainfall remains an integral part of the weather, making this period a haven for nature enthusiasts who relish the unique combination of gentle sunlight and the lustre of rain-drenched foliage. The humidity decreases somewhat, yet the dampness in the air signifies that winter has only just retreated. Notably, March holds a diminishing frequency of snowfall that often doesn't exceed 1.42" (36mm), marking the end of the frosty weather.

Temperature

During March, Hillsboro records an average high-temperature of a cool 52.2°F (11.2°C), marking a slight divergence from February's 47.3°F (8.5°C). An average low-temperature of 37.8°F (3.2°C) is common during the nights of March.

Humidity

The average relative humidity in March is 83%.

Rainfall

In Hillsboro, in March, during 20.8 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. Throughout the year, there are 173 rainfall days, and 29.49" (749mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. March is the last month it regularly snows. During 1.6 snowfall days, in March, Hillsboro aggregates 1.42" (36mm) of snow. In Hillsboro, during the entire year, snow falls for 6.6 days and aggregates up to 4.53" (115mm) of snow.

Daylight

The average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 6:48 am and sunset at 5:59 pm PST. On the last day of the month, sunrise is at 6:52 am and sunset at 7:39 pm PDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from PDT to PST.

Sunshine

In Hillsboro, the average sunshine in March is 5.3h.

UV index

In March, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 3 during March translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in March?

In Hillsboro, 52.2°F (11.2°C) is the average high-temperature and 37.8°F (3.2°C) is the average low-temperature during March.

What is the average humidity in March?

In March, the average relative humidity is 83%.

How much does it rain in March?

In March, the rain falls for 20.8 days. Throughout March, 3.35" (85mm) of precipitation is accumulated.

What is the last month it snows?

March is the last month it regularly snows. During 1.6 snowfall days, in March, Hillsboro aggregates 1.42" (36mm) of snow.

What is the average length of the day in March?

In March, the average day length is 11h and 58min.

What time are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 6:48 am and sunset at 5:59 pm PST. On the last day of the month, sunrise is at 6:52 am and sunset at 7:39 pm PDT.

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 PST to PDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March?

The average sunshine duration in March is 5.3h.

What is the UV index reading in March in Hillsboro?

In Hillsboro, Oregon, the average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F March A M J J A S O N D

Feb

March

Apr

Average high temperature

47.3°F 8.5°C

52.2°F 11.2°C

58.3°F 14.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.4mph 8.7km/h

5.5mph 8.9km/h

5.2mph 8.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

8.9

8.5

Average UV index

Average cloud cover

Average visibility

Average temperature in March
Hillsboro, OR

Average high temperature in March: 52.2°F

The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is December (43.9°F).

Average low temperature in March: 37.8°F

The month with the highest average low temperature is August (55.4°F).
The coldest month (with the lowest average low temperature) is December (34°F).

Average pressure in March
Hillsboro, OR

Average pressure in March: 30.03"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

Average wind speed in March
Hillsboro, OR

Average wind speed in March: 5mph

The windiest month (with the highest average wind speed) is March (5mph).
The calmest months (with the lowest average wind speed) are June, August and September (4.3mph).

Average humidity in March
Hillsboro, OR

Average humidity in March: 83%

The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is August (64%).

Average rainfall in March
Hillsboro, OR

Average rainfall in March: 3.35"

The wettest month (with the highest rainfall) is January (4.57").
The driest month (with the least rainfall) is August (0.31").

Average rainfall days in March
Hillsboro, OR

Average rainfall days in March: 20.8 days

The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (4.4 days).

Average snowfall in March
Hillsboro, OR

Average snowfall in March: 1.42"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in March
Hillsboro, OR

Average snowfall days in March: 1.6 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in March /
Average sunshine in March
Hillsboro, OR

Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

Average sunshine in March: 5h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in March
Hillsboro, OR

Average sunshine days in March: 8.5 days

The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (8.5 days).

Average UV index in March
Hillsboro, OR

Average UV index in March: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in March
Hillsboro, OR

Average cloud cover in March: 61

The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in March
Hillsboro, OR

Average visibility in March: 5mi

The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January and February (4mi).

March weather forecast
Hillsboro, OR

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