Kalmar Weather in April
April in Kalmar brings low temperatures, with highs of 10°C (50°F) and nights dropping to 3°C (37°F). It's also the driest month of the year, ideal for those who want to avoid rain.
Rainfall in Kalmar in April
The risk of rain is at its lowest this month, making it a reliable choice for outdoor plans, even if temperatures are on the cooler side. On average, there are about 11 days with rain during this month, averaging 33 mm (1.3 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Kalmar in April
If you're visiting Kalmar in April, expect highs of 10°C (50°F) and overnight lows around 3°C (37°F). Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Kalmar in April
With about 180 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.
Average water temperature in April
The water sits at 4°C (39°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Kalmar.
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 Kalmar's climate page.
Kalmar Temperature in April
Min Temperature
3°C (37°F)
Max Temperature
10°C (50°F)
Water Temperature
4°C (39°F)
Chance of Rain
35%
Precipitation
33 mm (1.3 in)
Rainy days
11 days
Humidity
79%
Sunshine
180 hours
Percentage Sunshine
42%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kalmar typically rise from around 8°C (46°F) at the start of April to approximately 12°C (54°F) by the end. Nights are cold, with lows typically ranging from 0°C (32°F) to 4°C (39°F).
Average temperatures in April
Historical weather for Kalmar in April
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 April
According to our 50 years of weather records for Kalmar, the following extremes were recorded between 1976 and 2026.
- On April 27, 1993, temperatures climbed to 24°C (75°F), marking the warmest April day on record.
- Kalmar experienced its chilliest April day on April 10, 1977, reaching only 0°C (32°F).
- The coldest night in April in Kalmar was on April 3, 2022, with a minimum of -8°C (18°F).
Best Places in Sweden in April
Find out more about the weather in Sweden and which places have the best travel conditions in this month. See all of Sweden in April →
perfect weather
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tolerable
unpleasant
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What to Wear in Kalmar in April
Cold weather calls for smart layering in April. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Pack a light rain jacket or compact umbrella for occasional showers. With water temperatures around 4°C (39°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Kalmar in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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 Kalmar's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Kalmar climate overview or explore weather in Sweden.
