March weather forecast
Lake Oswego, OR

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Weather in March

The city of Lake Oswego eases into spring in March, providing the month with more mild weather and temperatures reaching an average high of 52.5°F (11.4°C). This month is noticeably different, dominated by a transitionary climate that serves to herald the onset of a warmer season. Precipitation primarily takes the form of rain rather than snow, no doubt signaling the transition from winter to spring. The sunshine and daylight hours are on the rise providing more opportunities to soak up the slowly growing warmth. Although the weather oscillates between the last fragments of wintry reminiscence to the eager anticipation of the spring bloom, it ensures that March provides an eclectic mix of weather ingredients for its city dwellers.

Temperature

Lake Oswego experiences a recorded average high-temperature of a fresh 52.5°F (11.4°C) in March, closely aligned with February's 47.5°F (8.6°C). The mean low-temperature during March nights is an icy 37.9°F (3.3°C).

Humidity

The average relative humidity in March in Lake Oswego is 81%.

Rainfall

In March, the rain falls for 20.4 days. Throughout March, 3.46" (88mm) of precipitation is accumulated. In Lake Oswego, during the entire year, the rain falls for 172.2 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Lake Oswego, Oregon. The month with the most snowfall is March, when snow falls for 1.6 days and typically aggregates up to 1.46" (37mm) of snow.

Daylight

The average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 6:47 am and sunset at 5:58 pm PST. On the last day of the month, sunrise is at 6:51 am and sunset at 7:38 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 Lake Oswego, the average sunshine in March is 5.9h.

UV index

The average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 3 in March leads to these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What is the temperature in March in Lake Oswego?

During March, Lake Oswego experiences an average high-temperature of 52.5°F (11.4°C) and a low-temperature of 37.9°F (3.3°C).

What is the average humidity in March in Lake Oswego?

In March, the average relative humidity in Lake Oswego, Oregon, is 81%.

How many days does it rain in March in Lake Oswego?

In Lake Oswego, in March, it is raining for 20.4 days, with typically 3.46" (88mm) of accumulated precipitation.

When does it snow the most in Lake Oswego?

March is the month with the most snowfall. Snow falls for 1.6 days and accumulates 1.46" (37mm) of snow.

What is the last month it snows in Lake Oswego?

March is the last month it regularly snows in Lake Oswego, Oregon. During 1.6 snowfall days, in March, Lake Oswego aggregates 1.46" (37mm) of snow.

What is the average length of the day in March in Lake Oswego?

In Lake Oswego, Oregon, the average day length in March is 11h and 58min.

What time are sunrise and sunset in March in Lake Oswego?

On the first day of March in Lake Oswego, sunrise is at 6:47 am and sunset at 5:58 pm PST. On the last day of the month, sunrise is at 6:51 am and sunset at 7:38 pm PDT.

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

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 many hours of sunshine does Lake Oswego have in March?

In Lake Oswego, the average sunshine duration in March is 5.9h.

What is the UV index intensity in March in Lake Oswego?

In March, the average daily maximum UV index in Lake Oswego is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Lake Oswego, OR

Average temperature in March - Lake Oswego, OR
  • Average high temperature in March: 52.5°F

The warmest month (with the highest average high temperature) is August (81.7°F).
The month with the lowest average high temperature is December (44.4°F).

  • Average low temperature in March: 37.9°F

The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).

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Average pressure in March
Lake Oswego, OR

Average pressure in March - Lake Oswego, OR
  • Average pressure in March: 30.03"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed in March
Lake Oswego, OR

Average wind speed in March - Lake Oswego, OR
  • Average wind speed in March: 5.4mph

The windiest month (with the highest average wind speed) is January (6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in March
Lake Oswego, OR

Average humidity in March - Lake Oswego, OR
  • Average humidity in March: 81%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (63%).

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Average rainfall in March
Lake Oswego, OR

Average rainfall in March - Lake Oswego, OR
  • Average rainfall in March: 3.46"

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

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Average rainfall days in March
Lake Oswego, OR

Average rainfall days in March - Lake Oswego, OR
  • Average rainfall days in March: 20.4 days

The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is July (4.8 days).

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Average snowfall in March
Lake Oswego, OR

Average snowfall in March - Lake Oswego, OR
  • Average snowfall in March: 1.46"

The month with the highest snowfall is March (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in March
Lake Oswego, OR

Average snowfall days in March - Lake Oswego, OR
  • Average snowfall days in March: 1.6 days

The month with the highest number of snowfall days is February (2.3 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
Lake Oswego, OR

Average daylight in March / Average sunshine in March - Lake Oswego, 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 5min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in March
Lake Oswego, OR

Average sunshine days in March - Lake Oswego, OR
  • Average sunshine days in March: 8.7 days

The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (8.3 days).

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Average UV index in March
Lake Oswego, OR

Average UV index in March - Lake Oswego, 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).

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Average cloud cover in March
Lake Oswego, OR

Average cloud cover in March - Lake Oswego, OR
  • Average cloud cover in March: 56

The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in March
Lake Oswego, OR

Average visibility in March - Lake Oswego, OR
  • Average visibility in March: 5mi

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

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Lake Oswego, Oregon, USA

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