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January Weather in Niantic, United States

Last updated: June 24, 2025

In January, the average temperature in Niantic, United States hovers around -2°C (30°F). Expect chilly extremes, with lows plunging to -26°C (-15°F) and highs reaching a mild 17°C (64°F). Throughout the month, anticipate approximately 72 mm (2.8 in) of rain over 8 days, contributing to a humidity level of 84%. Stay warm and prepared for fluctuating weather!

January Temperature in Niantic

In January in Niantic, the average temperature is -2°C (30°F), with a maximum reaching 17°C (64°F) and a minimum dropping as low as -26°C (-15°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both chilly and mild conditions.

January Weather in Niantic: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Niantic, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Niantic, January typically has an average temperature of -2°C (30°F), with highs reaching up to 17°C (64°F) and lows dropping to around -26°C (-15°F).
JanFebMarAprMayJunJulAugSepOctNovDec293244536675777471574236
Data source: Temperature data for Niantic 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.

January Precipitation in Niantic

In Niantic in January, the precipitation amount is 72 mm (2.8 in) over the course of 8 days.

January Precipitation Trends in Niantic

The chart displays monthly precipitation patterns in Niantic, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Niantic, January typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec727413013014511111591611107251
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Niantic

In Niantic in January, humidity is 84%. With an average temperature of -2°C (30°F), this humidity feels like a biting chill that penetrates your layers, making traveling quite uncomfortable as the cold air wraps around you, amplifying the harshness of the winter weather.

January Average Humidity in Niantic

This chart illustrates the average monthly humidity levels in Niantic, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Niantic is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Niantic

In Niantic in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Niantic, you can check the information here.

Maximum UV Index Levels in Niantic for January

The chart shows the monthly maximum UV Index (UVI) for Niantic in January, 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 January, the maximum UV index in Niantic typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111198643
Data source: Niantic January 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 January Weather in Niantic Compares to Other Months

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

This table compares monthly weather conditions in Niantic, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (30°F)72 mm (2.8 inches)84%moderate
February Weather0°C (32°F)74 mm (2.9 inches)82%moderate
March Weather6°C (44°F)130 mm (5.1 inches)84%high
April Weather11°C (53°F)130 mm (5.1 inches)83%very high
May Weather19°C (66°F)145 mm (5.7 inches)80%very high
June Weather24°C (75°F)111 mm (4.4 inches)83%extreme
July Weather25°C (78°F)115 mm (4.5 inches)82%extreme
August Weather23°C (74°F)91 mm (3.6 inches)82%very high
September Weather22°C (71°F)61 mm (2.4 inches)79%very high
October Weather14°C (58°F)109 mm (4.3 inches)79%high
November Weather5°C (42°F)72 mm (2.8 inches)88%moderate
December Weather2°C (37°F)51 mm (2.0 inches)87%moderate

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