Kalmar
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Kalmar Weather in May

Thinking of visiting Kalmar in May? Expect moderate temperatures reaching 15°C (59°F) during the day, dropping to 7°C (45°F) at night, with some rainfall likely.

Rainfall in Kalmar in May

This month experiences about 10 days of rain according to historical data, averaging 46 mm (1.8 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Kalmar in May

If you're visiting Kalmar in May, expect highs of 15°C (59°F) and overnight lows around 7°C (45°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 7°C (45°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Kalmar in May

The month enjoys around 261 hours of sunshine, creating mostly sunny days despite the cool temperatures.

Average water temperature in May

At 7°C (45°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.

If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Kalmar.

Kalmar Temperature in May

Min Temperature
7°C (45°F)
Max Temperature
15°C (59°F)
Water Temperature
7°C (45°F)
Chance of Rain
32%
Precipitation
46 mm (1.8 in)
Rainy days
10 days
Humidity
76%
Sunshine
261 hours
Percentage Sunshine
52%

Kalmar Weather by Month

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

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Kalmar typically rise from around 13°C (55°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 Kalmar in May

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

Kalmar historical weather extremes in May

Based on weather observations in Kalmar between 1976 and 2026, these are the recorded extremes during May.

  • The hottest May day on record in Kalmar reached 29°C (84°F) (May 27, 2017).
  • The coldest May day was on May 12, 1978, with a maximum of 3°C (37°F).
  • Nighttime temperatures dropped to -4°C (25°F) on May 5, 2023, marking the coldest May night on record.

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 Kalmar 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. Expect water temperatures of around 7°C (45°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Kalmar 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
    10/10

Kalmar 3-Day Forecast

More climate data for Kalmar

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.