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February Weather in Dorchester, United States

Last updated: June 24, 2025

In February, the average temperature in Dorchester, United States hovers around -9°C (17°F), with extremes ranging from a chilling -34°C (-29°F) to a mild 14°C (57°F). This month typically sees 52 mm (2.1 in) of precipitation spread over 7 days, while the average humidity lingers at a high 89%. Prepare for a varied climate that invites both crisp snowy days and the occasional thaw!

February Temperature in Dorchester

In February in Dorchester, the average temperature is -9°C (17°F). Maximum temperatures can reach 14°C (57°F), while minimums can drop to a chilling -34°C (-29°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for their visit.

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

The chart illustrates February temperature patterns in Dorchester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dorchester, February typically has an average temperature of -9°C (17°F), with highs reaching up to 14°C (57°F) and lows dropping to around -34°C (-29°F).
JanFebMarAprMayJunJulAugSepOctNovDec161631415667716761463222
Data source: Temperature data for Dorchester 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 Dorchester

In Dorchester in February, the precipitation amount is 52 mm (2.1 in) over the course of 7 days.

February Precipitation Trends in Dorchester

The chart displays monthly precipitation patterns in Dorchester, 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 Dorchester, February typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec34525498118107127133901205154
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in Dorchester

In Dorchester in February, humidity is 89%. With an average temperature of -9°C (17°F), this humidity feels like an unpleasant chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm while battling the damp air.

February Average Humidity in Dorchester

This chart illustrates the average monthly humidity levels in Dorchester, 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 Dorchester is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Dorchester

In Dorchester 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 Dorchester for better planning.

Maximum UV Index Levels in Dorchester for February

The chart shows the monthly maximum UV Index (UVI) for Dorchester 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 Dorchester typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457810997532
Data source: Dorchester 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 Dorchester Compares to Other Months

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

This table compares monthly weather conditions in Dorchester, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)34 mm (1.3 inches)88%low
February Weather-9°C (17°F)52 mm (2.1 inches)89%moderate
March Weather-1°C (31°F)54 mm (2.1 inches)86%moderate
April Weather5°C (42°F)98 mm (3.9 inches)85%high
May Weather14°C (57°F)118 mm (4.7 inches)79%very high
June Weather19°C (67°F)107 mm (4.2 inches)80%very high
July Weather22°C (71°F)127 mm (5.0 inches)80%very high
August Weather19°C (67°F)133 mm (5.3 inches)78%very high
September Weather16°C (61°F)90 mm (3.5 inches)80%high
October Weather8°C (47°F)120 mm (4.7 inches)84%moderate
November Weather0°C (32°F)51 mm (2.0 inches)89%moderate
December Weather-5°C (23°F)54 mm (2.1 inches)85%low

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