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's entry into March measures an average high-temperature of a cool 52.5°F (11.4°C), closely parallel to the preceding month. In the month of March, the average temperature dips to an icy 37.9°F (3.3°C) during the night.

Humidity

The average relative humidity in March is 81%.

Rainfall

In Lake Oswego, during March, the rain falls for 20.4 days and regularly aggregates up to 3.46" (88mm) of precipitation. In Lake Oswego, Oregon, 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. March is the month with the most snowfall. Snow falls for 1.6 days and accumulates 1.46" (37mm) of snow.

Daylight

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

The average sunshine in March is 5.9h.

UV index

The average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 3 in March converts into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.

Frequently asked questions

What is the average March temperature?

In Lake Oswego, 52.5°F (11.4°C) is the average high-temperature and 37.9°F (3.3°C) is the average low-temperature during March.

What is the average humidity in March?

In March, the average relative humidity is 81%.

How much does it rain in March?

In Lake Oswego, in March, during 20.4 rainfall days, 3.46" (88mm) of precipitation is typically accumulated.

When does it snow the most?

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

What time are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 6:47 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?

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?

The average sunshine duration in March is 5.9h.

How high is the UV index in March?

The average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Lake Oswego, Oregon, USA

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