April Weather in Fairfield, United States

Last updated: June 24, 2025

In Fairfield, United States, the average temperature in April hovers around 10°C (51°F), making it a brisk time of year. Expect a broad temperature range, with lows dipping to -10°C (15°F) and highs soaring up to 30°C (86°F). With an average precipitation of 83 mm (3.3 in) spread over 10 days, be prepared for some damp weather. Don't forget, the average humidity is a notable 82%, adding to the distinctive character of the season!

April Temperature in Fairfield

In April in Fairfield, the average temperature is 10°C (51°F). Maximums can reach up to 30°C (86°F), while minimums can drop as low as -10°C (15°F). This temperature variability means travelers should be prepared for both warm and chilly conditions during their visit.

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 10°C (51°F), with highs reaching up to 30°C (86°F) and lows dropping to around -10°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec242741506475787569544033
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 83 mm (3.3 in) over a span of 10 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 83 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec5255918316013370731211245243
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 82%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that clings to your skin, making outdoor adventures less appealing and prompting travelers to seek cozy indoor activities or warm drinks to counter the brisk air.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%81%82%78%81%79%77%78%79%87%84%
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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098643
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-4°C (25°F)52 mm (2.0 inches)81%moderate
February Weather-3°C (27°F)55 mm (2.2 inches)81%moderate
March Weather5°C (42°F)91 mm (3.6 inches)81%high
April Weather10°C (51°F)83 mm (3.3 inches)82%very high
May Weather18°C (64°F)160 mm (6.3 inches)78%very high
June Weather24°C (75°F)133 mm (5.2 inches)81%extreme
July Weather25°C (78°F)70 mm (2.8 inches)79%very high
August Weather24°C (75°F)73 mm (2.9 inches)77%very high
September Weather21°C (69°F)121 mm (4.8 inches)78%very high
October Weather12°C (54°F)124 mm (4.9 inches)78%high
November Weather4°C (40°F)52 mm (2.0 inches)87%moderate
December Weather0°C (33°F)43 mm (1.7 inches)84%moderate

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