April Weather in Bolton, United States

Last updated: June 24, 2025

In Bolton, United States, the average temperature in April hovers around 18°C (64°F). However, be prepared for a range of conditions, with temperatures dipping as low as -2°C (28°F) and soaring to a warm 30°C (86°F). Expect a precipitation amount of 97 mm (3.8 in) over 9 days, contributing to a relatively high average humidity of 80%.

April Temperature in Bolton

In April in Bolton, the average temperature is 18°C (64°F). The maximum can reach 30°C (86°F), while the minimum can drop to as low as -2°C (28°F). Be prepared for a wide range of temperatures when traveling during this time.

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 (64°F), with highs reaching up to 30°C (86°F) and lows dropping to around -2°C (28°F).

Data source: Temperature data for Bolton generated using information from the Copernicus Climate Change Service.

April Precipitation in Bolton

In Bolton in April, the total precipitation amount reaches 97 mm (3.8 in) over the course of 9 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 97 mm (3.8 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Bolton

In Bolton in April humidity is 80%. With an average temperature of 18°C (64°F), this humidity feels like a warm, damp blanket wrapping around you, making travel a bit more exhausting as the air thickens and the heat clings to your skin.

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 80%, offering insight into how humid the weather typically is during this month.

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 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 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 10, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	75 mm (2.9 inches)	85%	moderate
February Weather	12°C (53°F)	89 mm (3.5 inches)	82%	high
March Weather	13°C (56°F)	67 mm (2.6 inches)	81%	very high
April Weather	18°C (64°F)	97 mm (3.8 inches)	80%	very high
May Weather	22°C (72°F)	128 mm (5.0 inches)	81%	extreme
June Weather	25°C (77°F)	166 mm (6.5 inches)	81%	extreme
July Weather	27°C (80°F)	178 mm (7.0 inches)	81%	extreme
August Weather	26°C (80°F)	210 mm (8.3 inches)	80%	very high
September Weather	24°C (76°F)	176 mm (6.9 inches)	79%	very high
October Weather	20°C (68°F)	65 mm (2.6 inches)	80%	very high
November Weather	13°C (55°F)	100 mm (3.9 inches)	85%	high
December Weather	10°C (51°F)	127 mm (5.0 inches)	86%	moderate