nomadseason

March Weather in Fairfield, United States

Last updated: June 24, 2025

In March, the average temperature in Fairfield, United States hovers around 4°C (40°F). Expect minimum temperatures to plunge as low as -15°C (6°F) and reach a maximum of 19°C (67°F). The region experiences 63 mm (2.5 in) of precipitation over approximately 12 days, with a notably high average humidity of 87%. Stay prepared for the conditions!

March Temperature in Fairfield

In March in Fairfield, the average temperature is 4°C (40°F), with maximums reaching 19°C (67°F) and minimums dipping as low as -15°C (6°F). Be prepared for a wide range of temperatures when traveling to Fairfield during this time.

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 4°C (40°F), with highs reaching up to 19°C (67°F) and lows dropping to around -15°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec323140475765747362483932
Data source: Temperature data for Fairfield generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
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 reaches 63 mm (2.5 in) over the course of 12 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 63 mm (2.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec7675635753243932618978
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Fairfield

In Fairfield in March humidity is 87%. With an average temperature of 4°C (40°F), this humidity feels like an uncomfortable chill that seeps into your bones, making it essential to dress warmly and prepare for damp conditions, which can dampen your spirits while traveling.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%87%84%78%78%77%64%62%79%87%90%
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.
JanFebMarAprMayJunJulAugSepOctNovDec2456891097532
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 Weather0°C (32°F)76 mm (3.0 inches)89%low
February Weather-1°C (31°F)75 mm (3.0 inches)89%moderate
March Weather4°C (40°F)63 mm (2.5 inches)87%moderate
April Weather8°C (47°F)57 mm (2.2 inches)84%high
May Weather14°C (57°F)53 mm (2.1 inches)77%very high
June Weather19°C (66°F)24 mm (1.0 inches)78%very high
July Weather23°C (74°F)3 mm (0.1 inches)77%very high
August Weather23°C (73°F)9 mm (0.3 inches)64%very high
September Weather17°C (62°F)32 mm (1.2 inches)62%high
October Weather9°C (48°F)61 mm (2.4 inches)79%moderate
November Weather4°C (39°F)89 mm (3.5 inches)87%moderate
December Weather0°C (33°F)78 mm (3.1 inches)90%low

Compare Fairfield's Climate with Cities Worldwide