February Weather in Sullivan, United States

Last updated: June 24, 2025

In February, the average temperature in Sullivan, United States hovers around 0°C (33°F). Expect chilly nights with a minimum dipping to -19°C (-3°F), while the days can warm up to a pleasant 22°C (73°F). With an average humidity of 82%, the air can feel brisk. Be prepared for about 79 mm (3.1 in) of precipitation spread over 10 days, making it a month of varied weather.

February Temperature in Sullivan

In February in Sullivan, the average temperature is 0°C (33°F). Maximums can reach 22°C (73°F), and minimums can be as low as -19°C (-3°F). Be sure to pack layers and be prepared for a wide range of temperatures when traveling.

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

The chart illustrates February temperature patterns in Sullivan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sullivan, February typically has an average temperature of 0°C (33°F), with highs reaching up to 22°C (73°F) and lows dropping to around -19°C (-3°F).

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

February Precipitation in Sullivan

In Sullivan in February, the precipitation amount is 79 mm (3.1 in) over a span of 10 days.

February Precipitation Trends in Sullivan

The chart displays monthly precipitation patterns in Sullivan, 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 Sullivan, February typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

February Humidity in Sullivan

In Sullivan in February, humidity is 82%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures feel much colder than the mercury suggests, and reminding you to bundle up as you explore.

February Average Humidity in Sullivan

This chart illustrates the average monthly humidity levels in Sullivan, 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 Sullivan is approximately 82%, 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 Sullivan

In Sullivan 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 Sullivan.

Maximum UV Index Levels in Sullivan for February

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

Data source: Sullivan 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 Sullivan Compares to Other Months

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

This table compares monthly weather conditions in Sullivan, 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 (30°F)	79 mm (3.1 inches)	84%	moderate
February Weather	0°C (33°F)	79 mm (3.1 inches)	82%	moderate
March Weather	7°C (44°F)	127 mm (5.0 inches)	84%	high
April Weather	12°C (53°F)	125 mm (4.9 inches)	83%	very high
May Weather	19°C (66°F)	138 mm (5.4 inches)	80%	very high
June Weather	24°C (76°F)	108 mm (4.2 inches)	83%	extreme
July Weather	25°C (78°F)	116 mm (4.6 inches)	82%	very high
August Weather	24°C (75°F)	128 mm (5.0 inches)	82%	very high
September Weather	22°C (71°F)	69 mm (2.7 inches)	79%	very high
October Weather	14°C (58°F)	123 mm (4.8 inches)	79%	high
November Weather	6°C (42°F)	89 mm (3.5 inches)	88%	moderate
December Weather	3°C (37°F)	64 mm (2.5 inches)	87%	moderate