February Weather in Mercersburg, United States

Last updated: June 24, 2025

In February, the average temperature in Mercersburg, United States hovers around 3°C (37°F). Expect chilly lows of -17°C (1°F) and warm highs reaching 27°C (81°F). With 95 mm (3.8 in) of precipitation spread over 11 days, you might need an umbrella! The air is quite humid too, with an average humidity level of 86%—perfect for cozy indoor activities.

February Temperature in Mercersburg

In February in Mercersburg, the average temperature is 3°C (37°F). Maximum can reach 27°C (81°F), and minimum can be as low as -17°C (1°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.

February Weather in Mercersburg: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Mercersburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mercersburg, February typically has an average temperature of 3°C (37°F), with highs reaching up to 27°C (81°F) and lows dropping to around -17°C (1°F).

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

February Precipitation in Mercersburg

In Mercersburg in February, the precipitation amount is 95 mm (3.8 in) spread over 11 days.

February Precipitation Trends in Mercersburg

The chart displays monthly precipitation patterns in Mercersburg, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Mercersburg, February typically receives around 95 mm (3.8 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

February Humidity in Mercersburg

In Mercersburg in February humidity is 86%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

February Average Humidity in Mercersburg

This chart illustrates the average monthly humidity levels in Mercersburg, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Mercersburg is approximately 86%, offering insight into how humid the weather typically is during this month.

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

February UV Index in Mercersburg

In Mercersburg in February, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Mercersburg.

Maximum UV Index Levels in Mercersburg for February

The chart shows the monthly maximum UV Index (UVI) for Mercersburg in February, 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 February, the maximum UV index in Mercersburg typically reaches 5, which falls under the moderate exposure category.

Data source: Mercersburg February 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 February Weather in Mercersburg Compares to Other Months

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

This table compares monthly weather conditions in Mercersburg, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	63 mm (2.5 inches)	86%	moderate
February Weather	3°C (37°F)	95 mm (3.8 inches)	86%	moderate
March Weather	6°C (43°F)	87 mm (3.4 inches)	86%	high
April Weather	12°C (54°F)	107 mm (4.2 inches)	84%	very high
May Weather	18°C (64°F)	126 mm (5.0 inches)	78%	very high
June Weather	22°C (72°F)	105 mm (4.1 inches)	79%	very high
July Weather	25°C (78°F)	130 mm (5.1 inches)	70%	very high
August Weather	24°C (75°F)	107 mm (4.2 inches)	59%	very high
September Weather	21°C (69°F)	122 mm (4.8 inches)	68%	very high
October Weather	15°C (59°F)	110 mm (4.3 inches)	80%	high
November Weather	6°C (44°F)	76 mm (3.0 inches)	86%	moderate
December Weather	3°C (38°F)	96 mm (3.8 inches)	85%	moderate