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Härnösand Weather in May
Härnösand in May averages 12°C (54°F) during the day and 4°C (39°F) at night. Some rainfall is typical for this time of year.
Rainfall in Härnösand in May
Historically, May sees about 11 days of rain, with a monthly average of 45 mm (1.8 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Härnösand in May
Temperatures in Härnösand in May top out at 12°C (54°F) and drop to 4°C (39°F) overnight. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Härnösand in May
The days are predominantly sunny, with an estimated total of around 258 hours of sunshine. Despite the cool temperatures, these sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.For Härnösand itself, July generally stands out with 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.
Härnösand Temperature in May
Min Temperature
4°C (39°F)
Max Temperature
12°C (54°F)
Chance of Rain
36%
Precipitation
45 mm (1.8 in)
Rainy days
11 days
Sunshine
258 hours *
Percentage Sunshine
*
* Data from: Sundsvall, Sweden (42 KM, 26 Miles).
Härnösand Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Härnösand - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Härnösand 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 7°C (45°F).
Average temperatures in May
Historical weather records for Härnösand in May
Browse day-by-day weather records for Härnösand spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Härnösand historical weather extremes in May
Based on weather observations in Härnösand between 1992 and 2026, these are the recorded extremes during May.
- On May 15, 2024, temperatures climbed to 27°C (81°F), marking the warmest May day on record.
- The lowest daytime temperature in May was 2°C (36°F), recorded on May 16, 1996.
- The coldest night in May in Härnösand was on May 6, 2023, with a minimum of -4°C (25°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 Härnösand in May
The weather can be unpredictable in May, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Härnösand 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 sports6/10
Härnösand 3-Day Forecast
More climate data for Härnösand
See the full Härnösand 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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