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February Weather in Sullivan, United States

Last updated: June 24, 2025

In February, the average temperature in Sullivan, United States is a chilly -3°C (27°F). Expect temperatures to dip as low as -22°C (-8°F), while they can soar to a mild 22°C (72°F). During this month, precipitation is common, with 85 mm (3.4 in) falling over approximately 11 days. Additionally, the average humidity is relatively high at 84%, giving the air a crisp, damp feeling.

February Temperature in Sullivan

In February in Sullivan, the average temperature is -3°C (27°F). Maximums can reach 22°C (72°F), while minimums can drop as low as -22°C (-8°F). Be prepared for a wide temperature range if you're planning to travel during this time.

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 -3°C (27°F), with highs reaching up to 22°C (72°F) and lows dropping to around -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec252733455767727063523728
Data source: Temperature data for Sullivan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

February Precipitation in Sullivan

In Sullivan in February, the precipitation amount is 85 mm (3.4 in) over the course of 11 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 85 mm (3.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec72857512381781198980135100113
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in Sullivan

In Sullivan in February humidity is 84%. With an average temperature of -3°C (27°F), this humidity feels like a heavy blanket that wraps around you, making travel uncomfortable and your breath visible in the cold air.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
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 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Sullivan for better planning.

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 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468910997632
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.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)72 mm (2.8 inches)86%moderate
February Weather-3°C (27°F)85 mm (3.4 inches)84%moderate
March Weather1°C (33°F)75 mm (3.0 inches)82%high
April Weather7°C (45°F)123 mm (4.8 inches)80%very high
May Weather14°C (57°F)81 mm (3.2 inches)72%very high
June Weather19°C (67°F)78 mm (3.1 inches)72%very high
July Weather22°C (72°F)119 mm (4.7 inches)67%very high
August Weather21°C (71°F)89 mm (3.5 inches)66%very high
September Weather17°C (63°F)80 mm (3.1 inches)71%high
October Weather11°C (52°F)135 mm (5.3 inches)78%high
November Weather3°C (38°F)100 mm (3.9 inches)84%moderate
December Weather-2°C (29°F)112 mm (4.4 inches)81%low

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