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March Weather in Fairfield, United States

Last updated: June 24, 2025

In Fairfield, United States, the average temperature in March hovers around 2°C (36°F), with extremes ranging from a low of -15°C (5°F) to a high of 19°C (66°F). During this month, expect about 54 mm (2.1 in) of precipitation spread over 10 days, accompanied by an average humidity of 85%. Prepare for chilly, damp days that truly embody the essence of winter!

March Temperature in Fairfield

In March in Fairfield, the average temperature is 2°C (36°F), but it can vary significantly, with maximums reaching 19°C (66°F) and minimums dropping as low as -15°C (5°F). Travelers should be prepared for a wide range of temperatures, layering clothing for both warmth and comfort.

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 2°C (36°F), with highs reaching up to 19°C (66°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec242736425264747161453524
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 total precipitation amount is 54 mm (2.1 in) over the course of 10 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 54 mm (2.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec63755435481741518344848
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 85%. With an average temperature of 2°C (36°F), this humidity feels like an icy blanket clinging to your skin, making travel challenging as the cold dampness seeps into your bones and fogs your breath.

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 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%85%76%66%62%53%42%46%64%83%87%
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 is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
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-5°C (24°F)62 mm (2.5 inches)91%moderate
February Weather-3°C (27°F)75 mm (3.0 inches)92%moderate
March Weather2°C (36°F)54 mm (2.1 inches)85%high
April Weather6°C (43°F)35 mm (1.4 inches)76%very high
May Weather11°C (53°F)48 mm (1.9 inches)66%very high
June Weather18°C (64°F)17 mm (0.7 inches)62%extreme
July Weather23°C (74°F)4 mm (0.1 inches)53%extreme
August Weather22°C (71°F)15 mm (0.6 inches)42%very high
September Weather16°C (61°F)18 mm (0.7 inches)46%very high
October Weather7°C (45°F)34 mm (1.3 inches)64%high
November Weather1°C (35°F)48 mm (1.9 inches)83%moderate
December Weather-4°C (24°F)48 mm (1.9 inches)87%moderate

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