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March Weather in Fairfield, United States

Last updated: June 24, 2025

In March, the average temperature in Fairfield, United States hovers around 0°C (33°F). However, be prepared for extremes: temperatures can dip as low as -32°C (-26°F) or rise to 22°C (71°F). With an average humidity of 83% and about 25 mm (1.0 in) of precipitation over 6 days, you'll want to dress accordingly and pack for wet weather!

March Temperature in Fairfield

In March in Fairfield, the average temperature is 0°C (33°F). The maximum can reach 22°C (71°F), and the minimum can be as low as -32°C (-26°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for both chilly and warm conditions.

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

The chart illustrates March 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, March typically has an average temperature of 0°C (33°F), with highs reaching up to 22°C (71°F) and lows dropping to around -32°C (-26°F).
JanFebMarAprMayJunJulAugSepOctNovDec241932415362706858433528
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.

March Precipitation in Fairfield

In Fairfield in March, the precipitation amount is 25 mm (1.0 in) spread over 6 days.

March Precipitation Trends in Fairfield

The chart displays monthly precipitation patterns in Fairfield, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Fairfield, March typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec13352554758092038332423
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Fairfield

In Fairfield in March, humidity is 83%. With an average temperature of 0°C (33°F), this humidity feels like a cold, damp chill that cuts through layers of clothing, making travel uncomfortable and brisk as each breath fills the lungs with icy moisture.

March Average Humidity in Fairfield

This chart illustrates the average monthly humidity levels in Fairfield, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Fairfield is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%83%78%76%78%77%71%68%72%84%91%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Fairfield

In Fairfield in March, 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 Fairfield.

Maximum UV Index Levels in Fairfield for March

The chart shows the monthly maximum UV Index (UVI) for Fairfield in March, 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 March, the maximum UV index in Fairfield typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357910997532
Data source: Fairfield March 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 March 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 March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)13 mm (0.5 inches)87%low
February Weather-7°C (19°F)35 mm (1.4 inches)88%moderate
March Weather0°C (33°F)25 mm (1.0 inches)83%moderate
April Weather5°C (41°F)54 mm (2.1 inches)78%high
May Weather12°C (53°F)75 mm (2.9 inches)76%very high
June Weather17°C (63°F)80 mm (3.1 inches)78%very high
July Weather21°C (71°F)9 mm (0.4 inches)77%very high
August Weather20°C (68°F)20 mm (0.8 inches)71%very high
September Weather14°C (58°F)38 mm (1.5 inches)68%high
October Weather6°C (44°F)33 mm (1.3 inches)72%moderate
November Weather2°C (36°F)24 mm (0.9 inches)84%moderate
December Weather-2°C (28°F)23 mm (0.9 inches)90%low

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