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January Weather in New California, United States

Last updated: June 24, 2025

In January, the average temperature in New California, United States hovers around -1°C (30°F), with extremes ranging from a chilling -24°C (-10°F) to a surprisingly warm 21°C (70°F). The month sees 73 mm (2.9 in) of precipitation over approximately 9 days, contributing to an average humidity level of a high 88%. Be prepared for a mix of frosty days and wet weather!

January Temperature in New California

In January in New California, the average temperature is -1°C (30°F), with maximums reaching 21°C (70°F) and minimums plummeting to -24°C (-10°F). Be prepared for a wide range of temperatures if you plan to travel during this time!

January Weather in New California: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in New California, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New California, January typically has an average temperature of -1°C (30°F), with highs reaching up to 21°C (70°F) and lows dropping to around -24°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec303342516371757368574136
Data source: Temperature data for New California 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 New California

In New California in January, the precipitation amount is 73 mm (2.9 in), occurring over the course of 9 days.

January Precipitation Trends in New California

The chart displays monthly precipitation patterns in New California, 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 New California, January typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec73991001111231361118086959391
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in New California

In New California in January humidity is 88%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through your layers, making travel uncomfortable as every gust of wind becomes a sharp reminder of the cold and damp air surrounding you.

January Average Humidity in New California

This chart illustrates the average monthly humidity levels in New California, 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 New California is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in New California

In New California 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 New California, you can check the information here.

Maximum UV Index Levels in New California for January

The chart shows the monthly maximum UV Index (UVI) for New California 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 New California typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: New California 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 New California Compares to Other Months

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

This table compares monthly weather conditions in New California, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)73 mm (2.9 inches)88%moderate
February Weather1°C (33°F)99 mm (3.9 inches)87%moderate
March Weather5°C (42°F)100 mm (3.9 inches)87%high
April Weather11°C (51°F)111 mm (4.4 inches)87%very high
May Weather17°C (63°F)123 mm (4.8 inches)81%very high
June Weather22°C (72°F)136 mm (5.4 inches)82%very high
July Weather24°C (76°F)111 mm (4.4 inches)81%very high
August Weather23°C (73°F)80 mm (3.1 inches)78%very high
September Weather20°C (69°F)86 mm (3.4 inches)78%very high
October Weather14°C (58°F)95 mm (3.8 inches)82%high
November Weather5°C (42°F)93 mm (3.7 inches)89%moderate
December Weather2°C (36°F)91 mm (3.6 inches)86%moderate

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