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April Weather in Fairfield, United States

Last updated: June 24, 2025

In April, the average temperature in Fairfield, United States hovers around 14°C (58°F). Expect a wide range, with minimums dipping to -3°C (28°F) and maximums soaring up to 31°C (88°F). With average humidity at 78% and precipitation totaling 169 mm (6.7 in) over 11 days, be prepared for a mix of weather throughout the month!

April Temperature in Fairfield

In April in Fairfield, the average temperature is 14°C (58°F), with maximums reaching up to 31°C (88°F) and minimums dipping as low as -3°C (28°F). It’s best to pack a variety of clothing to adapt to the fluctuating temperatures while traveling.

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

The chart illustrates April 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, April typically has an average temperature of 14°C (58°F), with highs reaching up to 31°C (88°F) and lows dropping to around -3°C (28°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.

April Precipitation in Fairfield

In Fairfield in April, the total precipitation amount is 169 mm (6.7 in) over the course of 11 days.

April Precipitation Trends in Fairfield

The chart displays monthly precipitation patterns in Fairfield, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Fairfield, April typically receives around 169 mm (6.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9111714416921093111148831698389
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Fairfield

In Fairfield in April, humidity is 78%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat more than usual while exploring.

April Average Humidity in Fairfield

This chart illustrates the average monthly humidity levels in Fairfield, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Fairfield is approximately 78%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Fairfield

In Fairfield in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Fairfield.

Maximum UV Index Levels in Fairfield for April

The chart shows the monthly maximum UV Index (UVI) for Fairfield in April, 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 April, the maximum UV index in Fairfield typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710111111109754
Data source: Fairfield April 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 April 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 April’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 April’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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