February Weather in Swansea, United States

Last updated: June 24, 2025

In February, the average temperature in Swansea, United States hovers around 1°C (35°F). Expect a chilly minimum of -16°C (3°F) and a pleasant maximum of 19°C (67°F). With 92 mm (3.6 in) of precipitation spread across 11 days, you’ll want to be prepared for some wet weather. Don't forget, the average humidity is a cool 84%, adding to the crisp atmosphere of the season!

February Temperature in Swansea

In February in Swansea, the average temperature is 1°C (35°F). Maximums can reach 19°C (67°F), while minimums can drop as low as -16°C (3°F). Be prepared for a wide range of temperatures when traveling to Swansea during this month.

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

The chart illustrates February temperature patterns in Swansea, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Swansea, February typically has an average temperature of 1°C (35°F), with highs reaching up to 19°C (67°F) and lows dropping to around -16°C (3°F).

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

February Precipitation in Swansea

In Swansea in February, the precipitation amount is 92 mm (3.6 in) spread over 11 days.

February Precipitation Trends in Swansea

The chart displays monthly precipitation patterns in Swansea, 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 Swansea, February typically receives around 92 mm (3.6 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 Swansea

In Swansea in February humidity is 84%. With an average temperature of 1°C (35°F), this humidity feels like a cold, damp chill that seeps into your bones, making it feel much colder than the thermometer suggests, which can be quite uncomfortable for traveling.

February Average Humidity in Swansea

This chart illustrates the average monthly humidity levels in Swansea, 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 Swansea is approximately 84%, 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 Swansea

In Swansea 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 Swansea.

Maximum UV Index Levels in Swansea for February

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

Data source: Swansea 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 Swansea Compares to Other Months

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

This table compares monthly weather conditions in Swansea, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	74 mm (2.9 inches)	84%	moderate
February Weather	1°C (35°F)	92 mm (3.6 inches)	84%	moderate
March Weather	4°C (39°F)	102 mm (4.0 inches)	82%	high
April Weather	9°C (49°F)	123 mm (4.9 inches)	79%	very high
May Weather	15°C (58°F)	101 mm (4.0 inches)	75%	very high
June Weather	20°C (68°F)	97 mm (3.8 inches)	78%	very high
July Weather	23°C (74°F)	122 mm (4.8 inches)	76%	very high
August Weather	23°C (74°F)	92 mm (3.6 inches)	76%	very high
September Weather	19°C (67°F)	97 mm (3.8 inches)	75%	very high
October Weather	14°C (57°F)	135 mm (5.3 inches)	75%	high
November Weather	7°C (45°F)	101 mm (4.0 inches)	80%	moderate
December Weather	2°C (36°F)	120 mm (4.7 inches)	80%	low