April Weather in Delta, United States

Last updated: June 24, 2025

In April, the average temperature in Delta, United States hovers around 10°C (50°F), with a minimum dipping to -6°C (22°F) and a maximum soaring to 28°C (82°F). Expect about 26 mm (1.0 in) of precipitation spread over 6 days, while the air remains comfortably humid with an average of 74%. Whether you're layering up for the cool days or enjoying the warmth, be prepared for a mix of weather!

April Temperature in Delta

In April in Delta, the average temperature is 10°C (50°F). Maximums can reach 28°C (82°F), while minimums can drop as low as -6°C (22°F). Be prepared for a wide range of temperatures when traveling to Delta during this time.

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

The chart illustrates April temperature patterns in Delta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Delta, April typically has an average temperature of 10°C (50°F), with highs reaching up to 28°C (82°F) and lows dropping to around -6°C (22°F).

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

April Precipitation in Delta

In Delta in April, the precipitation amount is 26 mm (1.0 in) over the course of 6 days.

April Precipitation Trends in Delta

The chart displays monthly precipitation patterns in Delta, 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 Delta, April typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 6 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 Delta

In Delta in April humidity is 74%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your clothes, making outdoor exploration uncomfortable and requiring travelers to dress in layers to stay warm while navigating the moist air.

April Average Humidity in Delta

This chart illustrates the average monthly humidity levels in Delta, 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 Delta is approximately 74%, 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 Delta

In Delta 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 Delta.

Maximum UV Index Levels in Delta for April

The chart shows the monthly maximum UV Index (UVI) for Delta 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 Delta typically reaches 10, which falls under the very high exposure category.

Data source: Delta 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 Delta Compares to Other Months

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

This table compares monthly weather conditions in Delta, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	31 mm (1.2 inches)	90%	moderate
February Weather	-1°C (30°F)	42 mm (1.7 inches)	89%	high
March Weather	4°C (40°F)	47 mm (1.8 inches)	81%	very high
April Weather	10°C (50°F)	26 mm (1.0 inches)	74%	very high
May Weather	15°C (60°F)	26 mm (1.0 inches)	58%	extreme
June Weather	22°C (71°F)	11 mm (0.4 inches)	47%	extreme
July Weather	25°C (77°F)	13 mm (0.5 inches)	39%	extreme
August Weather	23°C (74°F)	10 mm (0.4 inches)	39%	extreme
September Weather	19°C (66°F)	20 mm (0.8 inches)	53%	very high
October Weather	9°C (49°F)	36 mm (1.4 inches)	72%	high
November Weather	4°C (39°F)	21 mm (0.8 inches)	84%	moderate
December Weather	-3°C (28°F)	31 mm (1.2 inches)	90%	moderate