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February Weather in Fairfield, United States

Last updated: June 24, 2025

In February, the average temperature in Fairfield, United States hovers around 5°C (42°F). However, be prepared for a wide range, as temperatures can dip as low as -23°C (-9°F) or soar to 28°C (82°F). The region experiences an average precipitation of 116 mm (4.6 in) over 11 days, contributing to a rather high average humidity of 79%.

February Temperature in Fairfield

In February in Fairfield, the average temperature is 5°C (42°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop as low as -23°C (-9°F). Be sure to pack layers to accommodate the wide temperature range for your trip!

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

The chart illustrates February temperature patterns in Fairfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fairfield, February typically has an average temperature of 5°C (42°F), with highs reaching up to 28°C (82°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec394152586876797774614944
Data source: Temperature data for Fairfield 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 Fairfield

In Fairfield in February, the precipitation amount is 116 mm (4.6 in) over the course of 11 days.

February Precipitation Trends in Fairfield

The chart displays monthly precipitation patterns in Fairfield, 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 Fairfield, February typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9111714416921093111148831698389
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in Fairfield

In Fairfield in February, humidity is 79%. With an average temperature of 5°C (42°F), this humidity feels like a chilly mist enveloping you, making outdoor activities challenging and travel less appealing, as the dampness clings to your skin and the cold bites through your layers.

February Average Humidity in Fairfield

This chart illustrates the average monthly humidity levels in Fairfield, 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 Fairfield is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Fairfield

In Fairfield 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 Fairfield, you can refer to this Hourly UV Index in Fairfield.

Maximum UV Index Levels in Fairfield for February

The chart shows the monthly maximum UV Index (UVI) for Fairfield 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 Fairfield typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710111111109754
Data source: Fairfield 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 Fairfield Compares to Other Months

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

This table compares monthly weather conditions in Fairfield, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)91 mm (3.6 inches)82%moderate
February Weather5°C (42°F)116 mm (4.6 inches)79%high
March Weather11°C (53°F)144 mm (5.7 inches)77%high
April Weather14°C (58°F)169 mm (6.7 inches)78%very high
May Weather20°C (68°F)210 mm (8.3 inches)82%extreme
June Weather24°C (76°F)93 mm (3.6 inches)81%extreme
July Weather26°C (80°F)111 mm (4.4 inches)75%extreme
August Weather25°C (78°F)148 mm (5.8 inches)61%very high
September Weather23°C (74°F)83 mm (3.3 inches)59%very high
October Weather16°C (61°F)169 mm (6.7 inches)69%high
November Weather9°C (49°F)83 mm (3.3 inches)82%moderate
December Weather7°C (44°F)89 mm (3.5 inches)87%moderate

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