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Sundsvall Weather in May
May in Sundsvall brings moderate temperatures, with highs of 14°C (57°F) and nights dropping to 4°C (39°F). Expect some rainfall, with around 48 mm (1.9 in) typical for the month.
Rainfall in Sundsvall in May
Records from the past 30 years suggest around 11 days of rain, with 48 mm (1.9 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Sundsvall in May
May in Sundsvall brings moderate temperatures, with highs of 14°C (57°F) and nights around 4°C (39°F). Conditions are often most pleasant around the middle of the day. Nights fall to 4°C (39°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Sundsvall in May
With approximately 258 hours of sunshine, the days are filled with clear skies. Despite it being a cool month, it makes for pleasant days outside.If you prefer dry days with pleasant temperatures, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Sundsvall Temperature in May
Min Temperature
4°C (39°F)
Max Temperature
14°C (57°F)
Chance of Rain
37%
Precipitation
48 mm (1.9 in)
Rainy days
11 days
Sunshine
258 hours
Percentage Sunshine
Sundsvall Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sundsvall - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Sundsvall typically rise from around 10°C (50°F) at the start of May to approximately 15°C (59°F) by the end. Nights are cold, with lows typically ranging from 1°C (34°F) to 6°C (43°F).
Average temperatures in May
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 May
Historical weather records for Sundsvall in May
Browse day-by-day weather records for Sundsvall spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sundsvall historical weather extremes in May
The extremes listed below come from historical weather data collected in Sundsvall from 1976 through 2026.
- Sundsvall recorded its highest May temperature of 27°C (81°F) on May 15, 2024.
- Sundsvall experienced its chilliest May day on May 2, 1981, reaching only 0°C (32°F).
- The coldest night in May in Sundsvall was on May 1, 1995, with a minimum of -7°C (19°F).
Best Places in Sweden in May
Find out more about the weather in Sweden and which places have the best travel conditions in this month. See all of Sweden in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Sundsvall in May
Pack for changing conditions in Sundsvall in May. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Sundsvall in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming4/10 -
Cycling6/10 -
Walking6/10 -
Camping5/10 -
Outdoor sports10/10
Sundsvall 3-Day Forecast
More climate data for Sundsvall
See the full Sundsvall climate overview or explore weather in Sweden.
Popular in May
Where to go in May - average daytime high across popular destinations.
Malmö
17°C (63°F) Falkenberg
17°C (63°F) Lund17°C (63°F) Gothenburg17°C (63°F) Stockholm16°C (61°F) Visby14°C (57°F) Karlskrona14°C (57°F) Simrishamn13°C (55°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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