nomadseason

January Weather in Saint-Martin, Switzerland

Last updated: August 27, 2025

In January, the average temperature in Saint-Martin, Switzerland hovers around -9°C (16°F), with a chilling minimum of -27°C (-17°F) and a milder maximum reaching 6°C (44°F). Expect a damp environment with 135 mm (5.3 in) of precipitation over about 10 days and a high average humidity of 91%, making this a truly brisk and wet month!

January Temperature in Saint-Martin

In January in Saint-Martin, the average temperature is -9°C (16°F). The maximum can reach 6°C (44°F), while the minimum can drop as low as -27°C (-17°F). Be prepared for frigid conditions and pack plenty of warm clothing if you plan to travel during this time.

January Weather in Saint-Martin: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Saint-Martin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Martin, January typically has an average temperature of -9°C (16°F), with highs reaching up to 6°C (44°F) and lows dropping to around -27°C (-17°F).
JanFebMarAprMayJunJulAugSepOctNovDec162329374353565649412918
Data source: Temperature data for Saint-Martin generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Saint-Martin

In Saint-Martin in January, the total precipitation amount is 135 mm (5.3 in) recorded over a span of 10 days.

January Precipitation Trends in Saint-Martin

The chart displays monthly precipitation patterns in Saint-Martin, 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 Saint-Martin, January typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec13596122811601301211299013598188
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Saint-Martin

In Saint-Martin in January humidity is 91%. With an average temperature of -9°C (16°F), this humidity feels like a heavy veil wrapping around you, making outdoor exploration quite challenging as you navigate through the chilly air that seems to cling to your skin.

January Average Humidity in Saint-Martin

This chart illustrates the average monthly humidity levels in Saint-Martin, 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 Saint-Martin is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Saint-Martin

In Saint-Martin 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 Saint-Martin, you can check the information here.

Maximum UV Index Levels in Saint-Martin for January

The chart shows the monthly maximum UV Index (UVI) for Saint-Martin 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 Saint-Martin typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347810111097632
Data source: Saint-Martin 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 Saint-Martin Compares to Other Months

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

This table compares monthly weather conditions in Saint-Martin, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)135 mm (5.3 inches)91%moderate
February Weather-5°C (23°F)95 mm (3.8 inches)89%moderate
March Weather-2°C (29°F)122 mm (4.8 inches)87%high
April Weather3°C (37°F)81 mm (3.2 inches)84%very high
May Weather6°C (43°F)160 mm (6.3 inches)80%very high
June Weather12°C (53°F)130 mm (5.1 inches)82%extreme
July Weather14°C (57°F)121 mm (4.8 inches)82%very high
August Weather13°C (56°F)129 mm (5.1 inches)77%very high
September Weather9°C (49°F)90 mm (3.6 inches)81%high
October Weather5°C (41°F)135 mm (5.3 inches)89%high
November Weather-2°C (29°F)98 mm (3.8 inches)89%moderate
December Weather-8°C (18°F)188 mm (7.4 inches)91%low

Compare Saint-Martin's Climate with Cities Worldwide