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December Weather in Plymouth, Montserrat

Last updated: August 28, 2025

In Plymouth, Montserrat, the average temperature in December hovers around 26°C (79°F), with a comfortable minimum of 23°C (74°F) and a pleasant maximum of 28°C (82°F). Expect 54 mm (2.1 in) of precipitation spread over 19 days, contributing to an average humidity of 78%. Perfect for those who enjoy a warm, slightly humid climate!

December Temperature in Plymouth

In December in Plymouth, the average temperature is 26°C (79°F), with a maximum reaching 28°C (82°F) and a minimum dropping to 23°C (74°F). This pleasant climate makes Plymouth an ideal destination for travelers seeking comfortable weather.

December Weather in Plymouth: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Plymouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plymouth, December typically has an average temperature of 26°C (79°F), with highs reaching up to 28°C (82°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777787980818182818079
Data source: Temperature data for Plymouth 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.

December Precipitation in Plymouth

In Plymouth in December, the precipitation amount is 54 mm (2.1 in) spread over 19 days.

December Precipitation Trends in Plymouth

The chart displays monthly precipitation patterns in Plymouth, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Plymouth, December typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec37382736424171891471008754
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Plymouth

In Plymouth in December, humidity is 78%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket wrapping around you, making travel a bit sluggish as the air hangs thick, leaving you in need of frequent breaks to hydrate and find shade.

December Average Humidity in Plymouth

This chart illustrates the average monthly humidity levels in Plymouth, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Plymouth is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%76%78%79%81%84%83%80%79%80%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Plymouth

In Plymouth in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Plymouth.

Maximum UV Index Levels in Plymouth for December

The chart shows the monthly maximum UV Index (UVI) for Plymouth in December, 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 December, the maximum UV index in Plymouth typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111313131214131312109
Data source: Plymouth December 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 December Weather in Plymouth Compares to Other Months

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

This table compares monthly weather conditions in Plymouth, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)37 mm (1.5 inches)77%very high
February Weather25°C (77°F)38 mm (1.5 inches)76%extreme
March Weather25°C (77°F)27 mm (1.1 inches)76%extreme
April Weather25°C (78°F)36 mm (1.4 inches)78%extreme
May Weather26°C (79°F)42 mm (1.7 inches)79%extreme
June Weather27°C (81°F)41 mm (1.6 inches)81%extreme
July Weather27°C (81°F)71 mm (2.8 inches)84%extreme
August Weather27°C (82°F)89 mm (3.5 inches)83%extreme
September Weather28°C (82°F)147 mm (5.8 inches)80%extreme
October Weather27°C (81°F)100 mm (4.0 inches)79%extreme
November Weather27°C (80°F)87 mm (3.4 inches)80%very high
December Weather26°C (79°F)54 mm (2.1 inches)78%very high

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