August Weather in Effingham, United States

Last updated: June 24, 2025

In August, the average temperature in Effingham, United States is a comfortable 21°C (70°F). Visitors can expect a minimum of 9°C (48°F) and a maximum of 34°C (93°F), offering a wide range of temperatures throughout the month. Rainfall is moderate with an average precipitation amount of 86 mm (3.4 in) spread over 11 days, while the average humidity sits at 66%. Perfect for exploring or relaxing, Effingham's climate invites all to enjoy its unique offerings.

August Temperature in Effingham

In August in Effingham, the average temperature is 21°C (70°F). Maximums can reach 34°C (93°F), and minimums can be as low as 9°C (48°F). This weather makes it an ideal time for outdoor adventures and exploring the beautiful landscapes.

August Weather in Effingham: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Effingham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Effingham, August typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 9°C (48°F).

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

August Precipitation in Effingham

In Effingham in August, the precipitation amount is 86 mm (3.4 in), spread over 11 days.

August Precipitation Trends in Effingham

The chart displays monthly precipitation patterns in Effingham, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Effingham, August typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Effingham

In Effingham in August humidity is 66%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making it comfortable for leisurely strolls but slightly sticky for longer excursions.

August Average Humidity in Effingham

This chart illustrates the average monthly humidity levels in Effingham, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Effingham is approximately 66%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Effingham

In Effingham in August, 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 Effingham.

Maximum UV Index Levels in Effingham for August

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

Data source: Effingham August 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 August Weather in Effingham Compares to Other Months

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

This table compares monthly weather conditions in Effingham, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	81 mm (3.2 inches)	86%	moderate
February Weather	-4°C (25°F)	90 mm (3.6 inches)	84%	moderate
March Weather	0°C (32°F)	78 mm (3.1 inches)	82%	moderate
April Weather	6°C (44°F)	131 mm (5.2 inches)	80%	very high
May Weather	13°C (56°F)	78 mm (3.1 inches)	72%	very high
June Weather	19°C (66°F)	95 mm (3.7 inches)	72%	very high
July Weather	22°C (71°F)	148 mm (5.8 inches)	67%	very high
August Weather	21°C (70°F)	86 mm (3.4 inches)	66%	very high
September Weather	17°C (63°F)	65 mm (2.6 inches)	71%	high
October Weather	11°C (51°F)	127 mm (5.0 inches)	78%	moderate
November Weather	3°C (37°F)	113 mm (4.4 inches)	84%	moderate
December Weather	-3°C (27°F)	120 mm (4.7 inches)	81%	low