February Weather in Eureka, United States

Last updated: June 24, 2025

In February, the average temperature in Eureka, United States hovers around -2°C (29°F), though it can swing drastically from a chilling low of -30°C (-22°F) to a surprisingly warm high of 23°C (73°F). Expect about 68 mm (2.7 in) of precipitation spread over 10 days, accompanied by an average humidity level of 83% that underscores the season's cold, damp character.

February Temperature in Eureka

In February in Eureka, the average temperature is -2°C (29°F), with maximums reaching 23°C (73°F) and minimums dropping as low as -30°C (-22°F). This wide temperature range suggests that travelers should prepare for both chilly conditions and the potential for milder weather, making layered clothing essential for comfort.

February Weather in Eureka: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Eureka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Eureka, February typically has an average temperature of -2°C (29°F), with highs reaching up to 23°C (73°F) and lows dropping to around -30°C (-22°F).

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

February Precipitation in Eureka

In Eureka in February, the precipitation amount is 68 mm (2.7 in) over a span of 10 days.

February Precipitation Trends in Eureka

The chart displays monthly precipitation patterns in Eureka, 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 Eureka, February typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 10 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 Eureka

In Eureka in February, humidity is 83%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill that seeps into your bones, making travel outside feel particularly uncomfortable and brisk, as the damp air enhances the cold sensation, leaving you longing for warmth and shelter.

February Average Humidity in Eureka

This chart illustrates the average monthly humidity levels in Eureka, 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 Eureka is approximately 83%, 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 Eureka

In Eureka in February, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Eureka.

Maximum UV Index Levels in Eureka for February

The chart shows the monthly maximum UV Index (UVI) for Eureka 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 Eureka typically reaches 5, which falls under the moderate exposure category.

Data source: Eureka 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 Eureka Compares to Other Months

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

This table compares monthly weather conditions in Eureka, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	61 mm (2.4 inches)	82%	moderate
February Weather	-2°C (29°F)	68 mm (2.7 inches)	83%	moderate
March Weather	5°C (42°F)	106 mm (4.2 inches)	84%	high
April Weather	10°C (51°F)	117 mm (4.6 inches)	85%	very high
May Weather	18°C (64°F)	165 mm (6.5 inches)	79%	very high
June Weather	23°C (74°F)	138 mm (5.4 inches)	82%	extreme
July Weather	25°C (77°F)	109 mm (4.3 inches)	80%	very high
August Weather	23°C (74°F)	80 mm (3.1 inches)	81%	very high
September Weather	21°C (70°F)	69 mm (2.7 inches)	80%	very high
October Weather	13°C (56°F)	130 mm (5.1 inches)	82%	high
November Weather	4°C (40°F)	56 mm (2.2 inches)	88%	moderate
December Weather	1°C (34°F)	55 mm (2.2 inches)	84%	low