February Weather in Sullivan, United States

Last updated: June 24, 2025

In February, the average temperature in Sullivan, United States hovers around 2°C (36°F). While the mercury can dip to a chilly -21°C (-5°F), it can also soar to a balmy 25°C (78°F). Expect approximately 84 mm (3.3 in) of precipitation spread over 10 days and a high average humidity of 80%, creating a uniquely crisp and refreshing climate.

February Temperature in Sullivan

In February in Sullivan, the average temperature is 2°C (36°F). Maximum temperatures can reach 25°C (78°F), while minimum temperatures can drop as low as -21°C (-5°F). Travelers should be prepared for a wide range of weather conditions during this month.

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 2°C (36°F), with highs reaching up to 25°C (78°F) and lows dropping to around -21°C (-5°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 84 mm (3.3 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 84 mm (3.3 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 80%. With an average temperature of 2°C (36°F), this humidity feels like a heavy, damp chill that seeps into your bones, making it challenging for outdoor adventures and often necessitating layered clothing to stay warm and comfortable while exploring.

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 80%, 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 (33°F)	76 mm (3.0 inches)	82%	moderate
February Weather	2°C (36°F)	84 mm (3.3 inches)	80%	moderate
March Weather	8°C (48°F)	128 mm (5.1 inches)	80%	high
April Weather	13°C (55°F)	132 mm (5.2 inches)	80%	very high
May Weather	19°C (66°F)	165 mm (6.5 inches)	82%	very high
June Weather	24°C (76°F)	87 mm (3.4 inches)	83%	extreme
July Weather	26°C (79°F)	100 mm (3.9 inches)	81%	extreme
August Weather	24°C (76°F)	126 mm (5.0 inches)	80%	very high
September Weather	22°C (72°F)	53 mm (2.1 inches)	76%	very high
October Weather	15°C (59°F)	107 mm (4.2 inches)	76%	high
November Weather	7°C (45°F)	68 mm (2.7 inches)	85%	moderate
December Weather	4°C (40°F)	56 mm (2.2 inches)	86%	moderate