April Weather in Start, United States

Last updated: June 24, 2025

In April, the average temperature in Start, United States is a comfortable 18°C (65°F), with the thermometer dipping as low as 2°C (36°F) and peaking at a warm 30°C (87°F). Expect 170 mm (6.7 in) of rainfall spread over 10 days, contributing to a relatively high average humidity of 82%.

April Temperature in Start

In April in Start, the average temperature is 18°C (65°F). Maximum temperatures can reach 30°C (87°F), while the minimum can drop as low as 2°C (36°F). It's advisable to pack layers for your trip, as the weather can vary significantly throughout the day.

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

The chart illustrates April temperature patterns in Start, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Start, April typically has an average temperature of 18°C (65°F), with highs reaching up to 30°C (87°F) and lows dropping to around 2°C (36°F).

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

April Precipitation in Start

In Start in April, the total precipitation amount is 170 mm (6.7 in) over the course of 10 days.

April Precipitation Trends in Start

The chart displays monthly precipitation patterns in Start, 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 Start, April typically receives around 170 mm (6.7 inches) of precipitation spread over approximately 10 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 Start

In Start 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 Start

This chart illustrates the average monthly humidity levels in Start, 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 Start is approximately 82%, 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 Start

In Start 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 Start.

Maximum UV Index Levels in Start for April

The chart shows the monthly maximum UV Index (UVI) for Start 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 Start typically reaches 11, which falls under the extreme exposure category.

Data source: Start 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 Start Compares to Other Months

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

This table compares monthly weather conditions in Start, 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 (49°F)	124 mm (4.9 inches)	84%	moderate
February Weather	11°C (53°F)	198 mm (7.8 inches)	83%	high
March Weather	16°C (61°F)	145 mm (5.7 inches)	80%	very high
April Weather	18°C (65°F)	170 mm (6.7 inches)	82%	extreme
May Weather	23°C (74°F)	127 mm (5.0 inches)	83%	extreme
June Weather	27°C (80°F)	113 mm (4.5 inches)	80%	extreme
July Weather	28°C (83°F)	96 mm (3.8 inches)	80%	extreme
August Weather	28°C (83°F)	92 mm (3.6 inches)	75%	extreme
September Weather	26°C (80°F)	78 mm (3.1 inches)	73%	very high
October Weather	20°C (69°F)	133 mm (5.2 inches)	76%	very high
November Weather	13°C (56°F)	88 mm (3.5 inches)	84%	high
December Weather	11°C (52°F)	124 mm (4.9 inches)	88%	moderate