Järfälla Weather in December

Järfälla in December averages 3°C (37°F) during the day and -3°C (27°F) at night. This is part of the winter season. Some snow/rainfall is to be expected.

Rainfall in Järfälla in December

Historically, December sees about 17 days of snow/rain, with a monthly average of 50 mm (2 in). Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Järfälla in December

Daytime temperatures in Järfälla reach 3°C (37°F) in December, dropping to -3°C (27°F) at night. December is a notable month of the winter season. It stays very cold throughout much of the day, so warm winter clothing is essential. At -3°C (27°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. With the arrival of this cold month, make sure you're dressed in warm clothing. It's important to be ready for the chill.

Sunshine in Järfälla in December

This month is characterized by fewer sunny days, with about 32 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

Wind Speed in Järfälla in December

December 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.

Average water temperature in December

The water temperature is only 4°C (39°F) this month — cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.

December in Järfälla can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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For a detailed overview over the year and the best time to visit Sweden, check out our Järfälla's climate page.

Järfälla Temperature in December

Min Temperature -3°C (27°F)  

Max Temperature 3°C (37°F)  

Water Temperature 4°C (39°F) *  

Chance of Rain 57%  

Precipitation 50 mm (2 in)  

Rainy days 17 days  

Humidity 78% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 32 hours *  

Percentage Sunshine *  

* Data from: Stockholm, Sweden (10 KM, 6 Miles).

What to Wear in Järfälla in December

Dress warmly and in layers for your trip to Järfälla in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days. The water temperature sits at about 4°C (39°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Järfälla in December

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

Swimming

4/10

Cycling

3/10

Walking

3/10

Camping

2/10

Outdoor sports

3/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

More climate data for Järfälla

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Järfälla climate overview or explore weather in Sweden.