February Weather in Eureka, United States

Last updated: June 24, 2025

In Eureka, United States, the weather in February tends to be quite chilly, with an average temperature of -1°C (30°F). Expect minimum temperatures to plummet as low as -23°C (-10°F), while maximums can reach a mild 16°C (61°F). Precipitation is moderate at 48 mm (1.9 in) over 9 days, and the air feels quite damp with an average humidity of 88%. Prepare accordingly!

February Temperature in Eureka

In February in Eureka, the average temperature is -1°C (30°F), with a maximum that can reach 16°C (61°F) and a minimum that can drop as low as -23°C (-10°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to ensure comfort during their visit.

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 -1°C (30°F), with highs reaching up to 16°C (61°F) and lows dropping to around -23°C (-10°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 total precipitation amount is 48 mm (1.9 in) spread over 9 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 48 mm (1.9 inches) of precipitation spread over approximately 9 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 88%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through your layers, making travel uncomfortable as every gust of wind becomes a sharp reminder of the cold and damp air surrounding you.

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 88%, 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 is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Eureka, you can refer to this 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 6, which falls under the high 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	-4°C (25°F)	44 mm (1.8 inches)	87%	moderate
February Weather	-1°C (30°F)	48 mm (1.9 inches)	88%	high
March Weather	4°C (39°F)	60 mm (2.4 inches)	77%	high
April Weather	10°C (50°F)	47 mm (1.8 inches)	69%	very high
May Weather	15°C (60°F)	42 mm (1.6 inches)	54%	extreme
June Weather	23°C (74°F)	10 mm (0.4 inches)	45%	extreme
July Weather	28°C (82°F)	9 mm (0.3 inches)	37%	extreme
August Weather	26°C (79°F)	20 mm (0.8 inches)	34%	extreme
September Weather	21°C (69°F)	21 mm (0.8 inches)	47%	very high
October Weather	10°C (51°F)	35 mm (1.4 inches)	67%	high
November Weather	5°C (41°F)	27 mm (1.1 inches)	82%	moderate
December Weather	-3°C (28°F)	42 mm (1.6 inches)	87%	moderate