January Weather in Saeynaetsalo, Finland

Last updated: August 23, 2025

In January, the average temperature in Saeynaetsalo, Finland hovers around -5°C (23°F), though it can plunge to a chilling -27°C (-16°F) at times. The warmest days reach up to 7°C (46°F). With 46 mm (1.8 in) of precipitation spread over 11 days, be prepared for wet conditions. Adding to the winter’s chill, the average humidity remains at a staggering 99%.

January Temperature in Saeynaetsalo

In January in Saeynaetsalo, the average temperature is -5°C (23°F). Maximums can reach 7°C (46°F), while minimums can drop as low as -27°C (-16°F). Be prepared for chilly conditions and pack warm clothing if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Saeynaetsalo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saeynaetsalo, January typically has an average temperature of -5°C (23°F), with highs reaching up to 7°C (46°F) and lows dropping to around -27°C (-16°F).

Data source: Temperature data for Saeynaetsalo generated using information from the Copernicus Climate Change Service.

January Precipitation in Saeynaetsalo

In Saeynaetsalo in January, the precipitation amount is 46 mm (1.8 in) over the course of 11 days.

January Precipitation Trends in Saeynaetsalo

The chart displays monthly precipitation patterns in Saeynaetsalo, 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 Saeynaetsalo, January typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Saeynaetsalo

In Saeynaetsalo in January humidity is 99%. With an average temperature of -5°C (23°F), this humidity feels like an icy veil clinging to your skin, making every breath feel sharp and heavy, a stark reminder that even in the cold, moisture hangs in the air, creating an uncomfortable chill that can dampen any travel adventure.

January Average Humidity in Saeynaetsalo

This chart illustrates the average monthly humidity levels in Saeynaetsalo, 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 Saeynaetsalo is approximately 99%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Saeynaetsalo

In Saeynaetsalo in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Saeynaetsalo.

Maximum UV Index Levels in Saeynaetsalo for January

The chart shows the monthly maximum UV Index (UVI) for Saeynaetsalo 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 Saeynaetsalo typically reaches 1, which falls under the low exposure category.

Data source: Saeynaetsalo 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 Saeynaetsalo Compares to Other Months

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

This table compares monthly weather conditions in Saeynaetsalo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	46 mm (1.8 inches)	99%	low
February Weather	-6°C (21°F)	44 mm (1.7 inches)	97%	low
March Weather	-3°C (28°F)	42 mm (1.6 inches)	95%	moderate
April Weather	2°C (36°F)	45 mm (1.8 inches)	87%	moderate
May Weather	9°C (48°F)	63 mm (2.5 inches)	78%	moderate
June Weather	16°C (60°F)	60 mm (2.4 inches)	74%	high
July Weather	17°C (63°F)	71 mm (2.8 inches)	80%	high
August Weather	15°C (60°F)	87 mm (3.4 inches)	85%	moderate
September Weather	10°C (50°F)	73 mm (2.9 inches)	91%	moderate
October Weather	5°C (41°F)	76 mm (3.0 inches)	95%	low
November Weather	1°C (34°F)	61 mm (2.4 inches)	94%	low
December Weather	-3°C (26°F)	67 mm (2.6 inches)	98%	low