Karlstad
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Karlstad Weather in May

May in Karlstad averages 15°C (59°F) during the day and 7°C (45°F) at night. Quite a bit of rainfall is typical this month, with around 64 mm (2.5 in) on average. An umbrella is a good idea.

Rainfall in Karlstad in May

Historically, May sees about 11 days of rain, with a monthly average of 64 mm (2.5 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Karlstad in May

May in Karlstad brings moderate temperatures, with highs of 15°C (59°F) and nights around 7°C (45°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 7°C (45°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 Karlstad in May

Enjoy a sunny month with about 265 hours of sunshine, the clear skies make Karlstad even more beautiful.

Wind Speed in Karlstad in May

May has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Karlstad.

Karlstad Temperature in May

Min Temperature
7°C (45°F)
Max Temperature
15°C (59°F)
Chance of Rain
38%
Precipitation
64 mm (2.5 in)
Rainy days
11 days
Humidity
62%
Windspeed
3 m/s (6 knots)
Sunshine
265 hours
Percentage Sunshine

Karlstad Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Karlstad - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Karlstad typically rise from around 12°C (54°F) at the start of May to approximately 17°C (63°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 8°C (46°F).

Average temperatures in May

Historical weather records for Karlstad in May

Browse day-by-day weather records for Karlstad spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Karlstad historical weather extremes in May

Based on 50 years of weather observations in Karlstad between 1976 and 2026, these are the recorded extremes.

  • On May 30, 2018, temperatures climbed to 28°C (82°F), marking the warmest May day on record.
  • Karlstad experienced its chilliest May day on May 1, 1981, reaching only 1°C (34°F).
  • The coldest night in May in Karlstad was on May 1, 1995, 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 Karlstad 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Karlstad in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    6/10
  • Walking
    6/10
  • Camping
    4/10
  • Outdoor sports
    10/10

Karlstad 3-Day Forecast

More climate data for Karlstad

Popular in May

Where to go in May - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.