April Weather in Atwater, United States

Last updated: June 24, 2025

In April, the average temperature in Atwater, United States hovers around 18°C (65°F), with a range that can dip to a chilly 5°C (42°F) and soar to a warm 35°C (96°F). Expect a precipitation of 28 mm (1.1 in) spread over 4 days, accompanied by a notable average humidity of 78%. Enjoy the balance of warmth and moisture as you explore this enchanting destination!

April Temperature in Atwater

In April in Atwater, the average temperature is 18°C (65°F). Maximums can reach 35°C (96°F), and minimums can be as low as 5°C (42°F). This makes it an ideal time for travelers to enjoy a mix of warm days and cooler evenings.

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

The chart illustrates April temperature patterns in Atwater, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atwater, April typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (96°F) and lows dropping to around 5°C (42°F).

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

April Precipitation in Atwater

In Atwater in April, the precipitation amount is 28 mm (1.1 in) over the course of 4 days.

April Precipitation Trends in Atwater

The chart displays monthly precipitation patterns in Atwater, 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 Atwater, April typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 4 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Atwater

In Atwater in April, humidity is 78%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket, making travel quite muggy and potentially uncomfortable, as it can leave you feeling sticky and fatigued more quickly than usual.

April Average Humidity in Atwater

This chart illustrates the average monthly humidity levels in Atwater, 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 Atwater is approximately 78%, 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 Atwater

In Atwater in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Atwater.

Maximum UV Index Levels in Atwater for April

The chart shows the monthly maximum UV Index (UVI) for Atwater 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 Atwater typically reaches 9, which falls under the very high exposure category.

Data source: Atwater 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 Atwater Compares to Other Months

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

This table compares monthly weather conditions in Atwater, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	96 mm (3.8 inches)	82%	moderate
February Weather	12°C (53°F)	73 mm (2.9 inches)	84%	moderate
March Weather	14°C (57°F)	89 mm (3.5 inches)	82%	very high
April Weather	18°C (65°F)	28 mm (1.1 inches)	78%	very high
May Weather	22°C (72°F)	23 mm (0.9 inches)	71%	very high
June Weather	27°C (81°F)	1 mm (0.0 inches)	64%	extreme
July Weather	30°C (86°F)	0 mm (0.0 inches)	58%	extreme
August Weather	29°C (84°F)	0 mm (0.0 inches)	54%	very high
September Weather	26°C (78°F)	0 mm (0.0 inches)	55%	very high
October Weather	19°C (67°F)	17 mm (0.7 inches)	62%	high
November Weather	14°C (57°F)	31 mm (1.2 inches)	78%	moderate
December Weather	10°C (50°F)	83 mm (3.3 inches)	80%	moderate