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February Weather in Eureka, United States

Last updated: June 24, 2025

In February, the average temperature in Eureka, United States hovers around -9°C (16°F). However, be prepared for a broad temperature range, as it can plummet to a chilling -34°C (-30°F) or occasionally rise to a maximum of 11°C (51°F). During this time, expect about 70 mm (2.8 in) of precipitation spread over 14 days, coupled with a high average humidity of 93%—making it essential to bundle up!

February Temperature in Eureka

In February in Eureka, the average temperature is -9°C (16°F). Maximums can reach 11°C (51°F), while minimums can plummet to -34°C (-30°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for cold conditions.

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 -9°C (16°F), with highs reaching up to 11°C (51°F) and lows dropping to around -34°C (-30°F).
JanFebMarAprMayJunJulAugSepOctNovDec201629374856646353383023
Data source: Temperature data for Eureka generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

February Precipitation in Eureka

In Eureka in February, the precipitation amount is 70 mm (2.8 in) spread over 14 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 70 mm (2.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec517058666468243038706976
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in Eureka

In Eureka in February, humidity is 93%. With an average temperature of -9°C (16°F), this humidity feels like a biting chill that seeps through your layers, making travel outside an exercise in endurance as the cold dampness wraps around you, leaving you longing for warmth and a cozy respite.

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 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%88%83%80%82%71%71%85%90%96%
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 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 Eureka, you can check the information here.

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 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789997421
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.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)51 mm (2.0 inches)95%low
February Weather-9°C (16°F)70 mm (2.8 inches)93%moderate
March Weather-2°C (29°F)58 mm (2.3 inches)91%moderate
April Weather3°C (37°F)66 mm (2.6 inches)88%high
May Weather9°C (48°F)64 mm (2.5 inches)83%very high
June Weather13°C (56°F)68 mm (2.7 inches)80%very high
July Weather18°C (64°F)23 mm (0.9 inches)82%very high
August Weather17°C (63°F)29 mm (1.2 inches)71%very high
September Weather11°C (53°F)38 mm (1.5 inches)71%high
October Weather3°C (38°F)70 mm (2.7 inches)85%moderate
November Weather-1°C (31°F)69 mm (2.7 inches)90%low
December Weather-5°C (24°F)76 mm (3.0 inches)96%low

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