Porvoo Weather in March
During March, Porvoo experiences low daytime temperatures of 3°C (37°F) and cooler nights around -5°C (23°F). As the driest month of the year, snow/rainfall is at its lowest.
Rainfall in Porvoo in March
With the lowest rainfall figures of the year, conditions are ideal for exploring the outdoors, even if the temperatures require a jacket. Records from the past 30 years suggest around 14 days of snow/rain, with 41 mm (1.6 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Porvoo in March
Temperatures in Porvoo in March top out at 3°C (37°F) and drop to -5°C (23°F) overnight. Staying warm is the main priority this month, especially during mornings and evenings. Nights drop below freezing to -5°C (23°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. With the coldest weather of the year, this month demands extra warmth. Be sure to layer up to stay comfortable.
Sunshine in Porvoo in March
The city usually sees around 132 hours of sunlight, indicating a moderately sunny period.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Porvoo.
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 Porvoo's climate page.
Porvoo Temperature in March
Min Temperature
-5°C (23°F)
Max Temperature
3°C (37°F)
Chance of Rain
47%
Precipitation
41 mm (1.6 in)
Rainy days
14 days
Humidity
82% *
Sunshine
132 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Porvoo typically rise from around -1°C (30°F) at the start of March to approximately 4°C (39°F) by the end. Nights are very cold, with lows typically ranging from -7°C (19°F) to -2°C (28°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Porvoo in March
Browse day-by-day weather records for Porvoo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Porvoo historical weather extremes in March
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Porvoo.
- On March 29, 2002, temperatures climbed to 15°C (59°F), marking the warmest March day on record.
Best Places in Finland in March
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in March →
perfect weather
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unpleasant
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What to Wear in Porvoo in March
Dress warmly and in layers for your trip to Porvoo in March. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Porvoo in March
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 Porvoo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Porvoo climate overview or explore weather in Finland.
