February Weather in Marietta-Alderwood, United States

Last updated: June 24, 2025

In February, the average temperature in Marietta-Alderwood, United States hovers around 4°C (39°F). Expect chilly days, with minimums dipping to -6°C (22°F) and maximums reaching up to 13°C (56°F). Be prepared for wet weather, as the area experiences approximately 185 mm (7.3 in) of precipitation over 19 days. Additionally, with an average humidity of 85%, the atmosphere can feel quite damp and cool.

February Temperature in Marietta-Alderwood

In February in Marietta-Alderwood, the average temperature is 4°C (39°F), with maximums reaching 13°C (56°F) and minimums dropping as low as -6°C (22°F). This climate makes it essential for travelers to pack warm layers and be prepared for chilly conditions.

February Weather in Marietta-Alderwood: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Marietta-Alderwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marietta-Alderwood, February typically has an average temperature of 4°C (39°F), with highs reaching up to 13°C (56°F) and lows dropping to around -6°C (22°F).

Data source: Temperature data for Marietta-Alderwood generated using information from the Copernicus Climate Change Service.

February Precipitation in Marietta-Alderwood

In Marietta-Alderwood in February, the precipitation amount is 185 mm (7.3 in) over a period of 19 days.

February Precipitation Trends in Marietta-Alderwood

The chart displays monthly precipitation patterns in Marietta-Alderwood, 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 Marietta-Alderwood, February typically receives around 185 mm (7.3 inches) of precipitation spread over approximately 19 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

February Humidity in Marietta-Alderwood

In Marietta-Alderwood in February, humidity is 85%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to ward off the cold and moisture.

February Average Humidity in Marietta-Alderwood

This chart illustrates the average monthly humidity levels in Marietta-Alderwood, 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 Marietta-Alderwood is approximately 85%, 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 Marietta-Alderwood

In Marietta-Alderwood 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 Marietta-Alderwood, you can check the information here.

Maximum UV Index Levels in Marietta-Alderwood for February

The chart shows the monthly maximum UV Index (UVI) for Marietta-Alderwood 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 Marietta-Alderwood typically reaches 3, which falls under the moderate exposure category.

Data source: Marietta-Alderwood 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 Marietta-Alderwood Compares to Other Months

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

This table compares monthly weather conditions in Marietta-Alderwood, 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 (41°F)	199 mm (7.8 inches)	86%	low
February Weather	4°C (39°F)	185 mm (7.3 inches)	85%	moderate
March Weather	6°C (44°F)	156 mm (6.2 inches)	86%	moderate
April Weather	9°C (48°F)	127 mm (5.0 inches)	86%	high
May Weather	12°C (53°F)	76 mm (3.0 inches)	81%	very high
June Weather	15°C (59°F)	58 mm (2.3 inches)	83%	very high
July Weather	17°C (63°F)	27 mm (1.1 inches)	84%	very high
August Weather	18°C (64°F)	19 mm (0.8 inches)	77%	very high
September Weather	15°C (60°F)	125 mm (4.9 inches)	76%	high
October Weather	11°C (51°F)	186 mm (7.3 inches)	88%	moderate
November Weather	8°C (46°F)	261 mm (10.3 inches)	87%	low
December Weather	5°C (41°F)	227 mm (8.9 inches)	87%	low