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January Weather in Big Flats, United States

Last updated: June 24, 2025

In January, the average temperature in Big Flats, United States hovers around -4°C (26°F), with extremes ranging from a frigid -28°C (-18°F) to a mild 18°C (64°F). Throughout the month, 66 mm (2.6 in) of precipitation may fall over approximately 10 days, and you can expect a high average humidity level of 90%. Stay warm and prepared for a variety of weather conditions!

January Temperature in Big Flats

In January in Big Flats, the average temperature is -4°C (26°F), with maximums reaching 18°C (64°F) and minimums dropping as low as -28°C (-18°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to enjoy their trip comfortably.

January Weather in Big Flats: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Big Flats, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Big Flats, January typically has an average temperature of -4°C (26°F), with highs reaching up to 18°C (64°F) and lows dropping to around -28°C (-18°F).
JanFebMarAprMayJunJulAugSepOctNovDec262835465866727063533831
Data source: Temperature data for Big Flats 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 Big Flats

In Big Flats in January, the precipitation amount is 66 mm (2.6 in) over the course of 10 days.

January Precipitation Trends in Big Flats

The chart displays monthly precipitation patterns in Big Flats, 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 Big Flats, January typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec6683781101189513084841317782
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Big Flats

In Big Flats in January, humidity is 90%. With an average temperature of -4°C (26°F), this humidity feels like stepping into a frigid sauna, where even the slightest breeze cuts through the chill, making travel feel like an arduous trek through a frozen mist.

January Average Humidity in Big Flats

This chart illustrates the average monthly humidity levels in Big Flats, 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 Big Flats is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Big Flats

In Big Flats 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 Big Flats, you can check the information here.

Maximum UV Index Levels in Big Flats for January

The chart shows the monthly maximum UV Index (UVI) for Big Flats 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 Big Flats typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098642
Data source: Big Flats 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 Big Flats Compares to Other Months

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

This table compares monthly weather conditions in Big Flats, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)66 mm (2.6 inches)90%moderate
February Weather-2°C (28°F)83 mm (3.3 inches)90%moderate
March Weather1°C (35°F)78 mm (3.1 inches)87%high
April Weather8°C (46°F)110 mm (4.3 inches)88%very high
May Weather14°C (58°F)118 mm (4.6 inches)82%very high
June Weather19°C (67°F)95 mm (3.7 inches)79%very high
July Weather22°C (72°F)130 mm (5.1 inches)78%very high
August Weather21°C (70°F)84 mm (3.3 inches)76%very high
September Weather17°C (63°F)84 mm (3.3 inches)78%very high
October Weather11°C (53°F)131 mm (5.2 inches)84%high
November Weather3°C (38°F)77 mm (3.0 inches)89%moderate
December Weather-1°C (31°F)82 mm (3.2 inches)86%low

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