Jämsä Weather in October
October in Jämsä brings low temperatures, with daytime highs of 8°C (46°F) and nights around 2°C (36°F). Quite a bit of rainfall is expected, around 67 mm (2.6 in), so pack an umbrella.
Rainfall in Jämsä in October
You can expect rain on around 18 days based on historical patterns, with 67 mm (2.6 in) average for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Jämsä in October
October in Jämsä brings typical temperatures with highs around 8°C (46°F) and lows of 2°C (36°F). Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights fall to 2°C (36°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.October in Jämsä has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Jämsä's climate page.
Jämsä Temperature in October
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Jämsä typically drop from around 10°C (50°F) at the start of October to approximately 4°C (39°F) by the end. Nights are cold, with lows typically ranging from -1°C (30°F) to 5°C (41°F).
Average temperatures in October
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Jämsä in October
Browse day-by-day weather records for Jämsä spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Jämsä historical weather extremes in October
Based on 26 years of weather observations in Jämsä between 1999 and 2025, these are the recorded extremes.
- On October 14, 2018, temperatures climbed to 18°C (64°F), marking the warmest October day on record.
- The lowest daytime temperature in October was -4°C (25°F), recorded on October 22, 2003.
- Peak precipitation in October occurred on October 31, 2008, when 27 mm (1.1 in) of precipitation was measured.
Best Places in Finland in October
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in October →
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What to Wear in Jämsä in October
We recommend to layer up for chilly conditions in Jämsä in October. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket.What To Do in Jämsä in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Jämsä's climate page.
See the full Jämsä climate overview or explore weather in Finland.