February Weather in Lake Oswego, United States

Last updated: June 24, 2025

In February, the average temperature in Lake Oswego, United States hovers around 5°C (41°F). Be prepared for a wide range of temperatures, with minimums dropping to -7°C (19°F) and maximums reaching 17°C (63°F). Expect some wet days, as precipitation totals 172 mm (6.8 in) over approximately 19 days, all while the average humidity remains high at 84%.

February Temperature in Lake Oswego

In February in Lake Oswego, the average temperature is 5°C (41°F). Maximum temperatures can reach 17°C (63°F), while minimums can drop as low as -7°C (19°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

February Weather in Lake Oswego: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Lake Oswego, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lake Oswego, February typically has an average temperature of 5°C (41°F), with highs reaching up to 17°C (63°F) and lows dropping to around -7°C (19°F).

Data source: Temperature data for Lake Oswego generated using information from the Copernicus Climate Change Service.

February Precipitation in Lake Oswego

In Lake Oswego in February, the total precipitation amount reaches 172 mm (6.8 in) over a span of 19 days.

February Precipitation Trends in Lake Oswego

The chart displays monthly precipitation patterns in Lake Oswego, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Lake Oswego, February typically receives around 172 mm (6.8 inches) of precipitation spread over approximately 19 days.

Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

February Humidity in Lake Oswego

In Lake Oswego in February humidity is 84%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through the cold, heavy air that clings to your skin.

February Average Humidity in Lake Oswego

This chart illustrates the average monthly humidity levels in Lake Oswego, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Lake Oswego is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Lake Oswego

In Lake Oswego in February, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Lake Oswego, you can check the information here.

Maximum UV Index Levels in Lake Oswego for February

The chart shows the monthly maximum UV Index (UVI) for Lake Oswego in February, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In February, the maximum UV index in Lake Oswego typically reaches 3, which falls under the moderate exposure category.

Data source: Lake Oswego February UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How February Weather in Lake Oswego Compares to Other Months

Weather in Lake Oswego varies notably across the year, with each month offering distinct climate conditions. This page compares February’s weather to other months in Lake Oswego, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Lake Oswego, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	163 mm (6.4 inches)	85%	low
February Weather	5°C (41°F)	172 mm (6.8 inches)	84%	moderate
March Weather	8°C (46°F)	135 mm (5.3 inches)	85%	moderate
April Weather	11°C (51°F)	117 mm (4.6 inches)	83%	high
May Weather	14°C (58°F)	58 mm (2.3 inches)	83%	very high
June Weather	18°C (64°F)	46 mm (1.8 inches)	83%	very high
July Weather	21°C (69°F)	6 mm (0.2 inches)	82%	very high
August Weather	21°C (70°F)	8 mm (0.3 inches)	74%	very high
September Weather	18°C (64°F)	62 mm (2.4 inches)	71%	high
October Weather	12°C (53°F)	105 mm (4.1 inches)	81%	moderate
November Weather	8°C (47°F)	155 mm (6.1 inches)	87%	moderate
December Weather	5°C (41°F)	183 mm (7.2 inches)	87%	low