February Weather in New Haven, United States

Last updated: June 24, 2025

In February, the average temperature in New Haven, United States hovers around 4°C (39°F). Temperatures can vary significantly, with a minimum dipping to -17°C (1°F) and a maximum reaching 27°C (81°F). Expect a fairly wet month, as precipitation totals 131 mm (5.1 in) over approximately 14 days, accompanied by high humidity levels averaging 88%.

February Temperature in New Haven

In February in New Haven, the average temperature is 4°C (39°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -17°C (1°F). Travelers should be prepared for a wide range of temperatures, ensuring they bring both warm and light clothing.

February Weather in New Haven: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in New Haven, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Haven, February typically has an average temperature of 4°C (39°F), with highs reaching up to 27°C (81°F) and lows dropping to around -17°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec353946556673787570604539
Data source: Temperature data for New Haven 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 New Haven

In New Haven in February, the total precipitation amount is 131 mm (5.1 in) over a span of 14 days.

February Precipitation Trends in New Haven

The chart displays monthly precipitation patterns in New Haven, 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 New Haven, February typically receives around 131 mm (5.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec9213110913814115211112310710880119
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in New Haven

In New Haven in February, humidity is 88%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm.

February Average Humidity in New Haven

This chart illustrates the average monthly humidity levels in New Haven, 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 New Haven is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in New Haven

In New Haven 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 New Haven.

Maximum UV Index Levels in New Haven for February

The chart shows the monthly maximum UV Index (UVI) for New Haven 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 New Haven typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098653
Data source: New Haven 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 New Haven Compares to Other Months

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

This table compares monthly weather conditions in New Haven, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)91 mm (3.6 inches)88%moderate
February Weather4°C (39°F)131 mm (5.1 inches)88%moderate
March Weather8°C (46°F)109 mm (4.3 inches)88%high
April Weather13°C (55°F)138 mm (5.4 inches)86%very high
May Weather19°C (66°F)141 mm (5.5 inches)82%very high
June Weather23°C (73°F)152 mm (6.0 inches)84%very high
July Weather25°C (78°F)111 mm (4.4 inches)82%very high
August Weather24°C (75°F)123 mm (4.8 inches)73%very high
September Weather21°C (71°F)106 mm (4.2 inches)73%very high
October Weather15°C (60°F)108 mm (4.3 inches)81%high
November Weather7°C (45°F)80 mm (3.2 inches)89%moderate
December Weather4°C (40°F)119 mm (4.7 inches)86%moderate

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