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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 6°C (43°F), with a minimum dipping to -12°C (10°F) and a maximum soaring to 26°C (79°F). Prepare for some damp days, as precipitation totals 35 mm (1.4 in) over about 8 days, while the air remains noticeably humid with an average humidity level of 76%. Enjoy the variety of weather as you explore this captivating destination!

April Temperature in Fairfield

In April in Fairfield, the average temperature is 6°C (43°F). Maximum temperatures can reach 26°C (79°F), while minimums can drop as low as -12°C (10°F). This varied climate means travelers should be prepared for both warm and cold conditions.

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 6°C (43°F), with highs reaching up to 26°C (79°F) and lows dropping to around -12°C (10°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.

April Precipitation in Fairfield

In Fairfield in April, the precipitation amount is 35 mm (1.4 in) over the course of 8 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 35 mm (1.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec63755435481741518344848
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 76%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that clings to your clothes and makes even short outings feel less inviting, leaving travelers reaching for extra layers to stay comfortable 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 76%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Fairfield

In Fairfield in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
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 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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