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April Weather in Bolton, United States

Last updated: June 24, 2025

In Bolton, United States, the average temperature in April hovers around 18°C (65°F). Expect a minimum temperature of 1°C (35°F) and a maximum of 31°C (88°F). During this month, you'll encounter approximately 178 mm (7.0 in) of precipitation spread over 10 days, alongside an average humidity of 82%.

April Temperature in Bolton

In April in Bolton, the average temperature is 18°C (65°F), with maximums reaching 31°C (88°F) and minimums dropping to as low as 1°C (35°F). This variability makes it essential for travelers to pack layers to stay comfortable in changing conditions.

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

The chart illustrates April temperature patterns in Bolton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bolton, April typically has an average temperature of 18°C (65°F), with highs reaching up to 31°C (88°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec485361647479828178695552
Data source: Temperature data for Bolton 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 Bolton

In Bolton in April, the precipitation amount is 178 mm (7.0 in) spread over a duration of 10 days.

April Precipitation Trends in Bolton

The chart displays monthly precipitation patterns in Bolton, 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 Bolton, April typically receives around 178 mm (7.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1211611221781341321011359312580121
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Bolton

In Bolton in April, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.

April Average Humidity in Bolton

This chart illustrates the average monthly humidity levels in Bolton, 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 Bolton is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%80%82%83%80%80%75%73%76%84%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Bolton

In Bolton in April, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Bolton.

Maximum UV Index Levels in Bolton for April

The chart shows the monthly maximum UV Index (UVI) for Bolton 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 Bolton typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478111112121110864
Data source: Bolton 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 Bolton Compares to Other Months

Weather in Bolton varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Bolton, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Bolton, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)121 mm (4.7 inches)84%moderate
February Weather12°C (53°F)161 mm (6.3 inches)83%high
March Weather16°C (61°F)122 mm (4.8 inches)80%very high
April Weather18°C (65°F)178 mm (7.0 inches)82%extreme
May Weather23°C (74°F)134 mm (5.3 inches)83%extreme
June Weather26°C (79°F)132 mm (5.2 inches)80%extreme
July Weather28°C (82°F)101 mm (4.0 inches)80%extreme
August Weather27°C (81°F)135 mm (5.3 inches)75%extreme
September Weather26°C (79°F)93 mm (3.7 inches)73%very high
October Weather20°C (69°F)125 mm (4.9 inches)76%very high
November Weather13°C (55°F)79 mm (3.1 inches)84%high
December Weather11°C (52°F)121 mm (4.8 inches)88%moderate

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