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Kalmar in December: Weather, Average temperature and Climate

Discover the weather for Kalmar in December and if it’s a good time to travel (based on historical data).
Check flight prices to Kalmar on Avionero:
December

Weather in Kalmar in December 2024

OK Weather
Chill
☁️
Cloudy
🌊
Cold water
December could be a good time to visit Kalmar, as the weather is generally fine. The average high temperature is around +37°F, and there are typically 3 sunny days in December. However, expect about 10 rainy days, and total monthly rainfall of approximately 32 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • December is usually the wettest month of the year in Kalmar;

Average weather

☀️
+37°F
Avg. max. temperature
-13°F
Min.
+54°F
Max.
32 mm
Total precipitation
87%
Avg. humidity
4 m/s
Avg. wind
3 ☀️
Sunny Days
12 ⛅️
Cloudy
10 🌦
Rainy
Our opinion: Kalmar has OK weather in December.

Average temperature in Kalmar in December

Here are the expected maximum, average and minimum temperatures in Kalmar for December based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in December is +39°F with a maximum of +48°F and a minimum of +19°F.

The average maximum temperature goes up 19% by the end of the month, compared with the beginning of the month, from +32°F to +37°F.

Is Kalmar warm or cold in December?

Kalmar is typically chill in December.

Maximum temperatures go down compared to the previous month from +43°F to +37°F. The minimum temperature also goes down from +37°F to +32°F.

Pack a jumper and a jacket as there will be cooler temperatures.

December is one of the coolest months in Kalmar, here is the comparison with other months:

Water temperature in Kalmar in December

Water in Kalmar in December is Cold. It varies from +38°F to +43°F, with an average of +40°F. Note that the air temperature is lower than the water temperature, averaging around +37°F.

In December, water temperatures are average relative to the rest of the year:

The warmest water temperatures in Kalmar are reached in August, when the average sea temperature rises to +65°F. The coldest water temperatures are in March, with an average of +35°F.

Can you swim in Kalmar in December?

We would not recommend swimming in Kalmar in December, the water is very cold (+40°F on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +61°F
🏄‍♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.

Climate in Kalmar in December

Kalmar weather looks like this, on average, in December and the surrounding months.
NovemberDecemberJanuary
Avg. temperature
+43°F+37°F+36°F
Min. temperature
+16°F-13°F-6°F
Max. temperature
+63°F+54°F+54°F
Rainfall
47 mm32 mm22 mm
Wind
4 m/s4 m/s4 m/s
Avg. water temperature
+46°F+40°F+37°F
Humidity
86%87%86%
Air pressure
1011 HPa1010 HPa1011 HPa
Sunny days
333
Cloudy days
111212
Rainy days
14107
Snowy days
379

December often has better weather than November. It’s getting colder in December. From +43°F in the day, the average maximum temperature lowers to +37°F. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 47 mm to 32 mm. Humidity rises from 86% to 87%. The average wind speed doesn’t change much during December, staying around 4 m/s. The amount of sunny days stay about the same, averaging 3 sunny days during the month.

January brings much the same weather, it remains ok.

Wind

Wind speed in Kalmar in December based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Kalmar is gradually decreasing during December, going from 5 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during December in Kalmar based on historical data.
Last Year
Historical Data
Total precipitation in December is about 63 mm, with a 55% chance of rain on a typical day. The maximum amount of rainfall per day is around 12 mm, which is considered light rain. December is a pretty wet month with over 17 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how December is compared with other months in the amount of precipitation, total mm:
Kalmar wettest month is July, where a typical day has a 48% chance of precipitation and 59 mm of rainfall per day. February, on the other hand, is the driest month with a mere 17% chance of precipitation and 13 mm of rainfall per day.

Snow

Amount of snow in mm during December in Kalmar based on historical data.
Last Year
Historical Data
The total snow in December is about 16 mm, with a 13% chance of snow on a typical day.

December is one of the snowiest months in Kalmar.

Here’s how December is compared with other months in the amount of snow, total mm:

How was the weather last December in Kalmar?

This is the weather in Kalmar in December 2023:
1 December
🌨️
+32°F
2 December
🌨️
+33°F
3 December
☁️
+29°F
4 December
☁️
+25°F
5 December
☁️
+36°F
6 December
☁️
+36°F
7 December
🌨️
+37°F
8 December
🌧️
+37°F
9 December
☁️
+37°F
10 December
🌧️
+39°F
11 December
🌧️
+39°F
12 December
☁️
+35°F
13 December
☁️
+33°F
14 December
☁️
+32°F
15 December
☁️
+41°F
16 December
☁️
+47°F
17 December
☁️
+48°F
18 December
☁️
+48°F
19 December
☀️
+48°F
20 December
☁️
+40°F
21 December
☁️
+42°F
22 December
🌨️
+37°F
23 December
☁️
+33°F
24 December
☁️
+43°F
25 December
☁️
+42°F
26 December
🌧️
+37°F
27 December
☀️
+35°F
28 December
☁️
+44°F
29 December
🌧️
+44°F
30 December
☁️
+42°F
31 December
🌧️
+38°F
In December 2023 Kalmar had 2 sunny days, 19 cloudy days, and 6 rainy days. The average maximum temperature was +39°F, with an absolute maximum of +48°F and a minimum of +25°F. The average humidity was 88%, with a maximum of 99% and a minimum of 72%. The average wind speed was 4 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in December?

Climate Change Over the Years

This is how Kalmar climate has changed over the last 43 years.

The climate in Kalmar in December has not changed that much over the last 43 years.

The average temperature was the lowest in 1987 (+46°F) and the highest in 2020 (+56°F). The driest year was 2018 with only 315 mm of rainfall, and the wettest year was 2023 with 641 mm.

FAQ

Frequently asked questions about the weather in Kalmar in December:

Is December a good time to visit Kalmar?

It’s always a good time to visit Kalmar, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Kalmar in December?

Not really, December is not the best time to sunbathe, unless you visit a local solarium.

Can you swim in Kalmar in December?

Swimming in Kalmar in December is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.

Is Kalmar rainy in December?

Kalmar is usually dry in December. Plan your packing around outdoor activities and exploring.

Is it sunny in Kalmar in December?

Usually, it’s not very sunny in Kalmar in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Sweden

Check out the weather for other cities in Sweden.

Monthly weather in Kalmar

Source of the data

For this page, we’ve looked at the typical weather in Kalmar, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.