April Weather in Santee, United States

Last updated: June 24, 2025

In Santee, United States, the average temperature in April hovers around 19°C (66°F), offering a pleasant climate. However, be prepared for a temperature range that can dip to a chilly 1°C (33°F) and soar up to a warm 32°C (90°F). During this time, residents and visitors can expect approximately 114 mm (4.5 in) of precipitation over about 8 days, contributing to an overall average humidity of 79%. Whether you're exploring the outdoors or enjoying indoor activities, the weather in Santee has something for everyone!

April Temperature in Santee

In April in Santee, the average temperature is 19°C (66°F). Maximum temperatures can reach 32°C (90°F), while the minimum can drop to as low as 1°C (33°F). Be prepared for a range of weather conditions when traveling to Santee during this time.

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

The chart illustrates April temperature patterns in Santee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santee, April typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (90°F) and lows dropping to around 1°C (33°F).

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

April Precipitation in Santee

In Santee in April, the total precipitation amount is 114 mm (4.5 in) spread over a duration of 8 days.

April Precipitation Trends in Santee

The chart displays monthly precipitation patterns in Santee, 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 Santee, April typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 8 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 Santee

In Santee in April humidity is 79%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making it feel much warmer than the actual temperature and creating a heavy, sticky atmosphere that can be a bit uncomfortable for traveling.

April Average Humidity in Santee

This chart illustrates the average monthly humidity levels in Santee, 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 Santee is approximately 79%, 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 Santee

In Santee 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 Santee.

Maximum UV Index Levels in Santee for April

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

Data source: Santee 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 Santee Compares to Other Months

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

This table compares monthly weather conditions in Santee, 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 (50°F)	75 mm (2.9 inches)	86%	moderate
February Weather	13°C (55°F)	95 mm (3.7 inches)	81%	high
March Weather	15°C (59°F)	76 mm (3.0 inches)	81%	very high
April Weather	19°C (66°F)	114 mm (4.5 inches)	79%	very high
May Weather	23°C (74°F)	92 mm (3.6 inches)	75%	extreme
June Weather	26°C (79°F)	114 mm (4.5 inches)	75%	extreme
July Weather	28°C (82°F)	158 mm (6.2 inches)	80%	extreme
August Weather	27°C (81°F)	136 mm (5.3 inches)	81%	extreme
September Weather	25°C (78°F)	116 mm (4.6 inches)	83%	very high
October Weather	21°C (70°F)	61 mm (2.4 inches)	78%	very high
November Weather	13°C (56°F)	66 mm (2.6 inches)	85%	high
December Weather	11°C (52°F)	137 mm (5.4 inches)	87%	moderate