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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.

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For a detailed overview over the year and the best time to visit Sweden, check out our Härnösand's climate page.

Härnösand Temperature in May

Min TemperatureMin Temperature 4°C (39°F)  
Max TemperatureMax Temperature 12°C (54°F)  
Chance of RainChance of Rain 36%  
PrecipitationPrecipitation 45 mm (1.8 in)  
Rainy daysRainy days 11 days  
SunshineSunshine 258 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Sundsvall, Sweden (42 KM, 26 Miles).

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 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 →

Map not visible? Whoops sorry! Please refresh the page.
Legend 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.

Swimming
4/10
Cycling
6/10
Walking
6/10
Camping
5/10
Outdoor sports
6/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Sweden, check out our Härnösand's climate page.

More climate data for Härnösand