The best times to visit Sigtuna for ideal weather are

May 21st to September 16th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Sigtuna Travel Info

Weather in Sigtuna

Temperature

Average temperatures in Sigtuna vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 36th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Sigtuna, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 77.6°F (25.3°C) with temperatures rarely dropping below 57.2°F (14°C) at night.

Sigtuna Temperatures (Fahrenheit)

Key
High
Average
Low

Sigtuna Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Sigtuna Perceived Temperature (F)

Key
High
Average
Low

Sigtuna Perceived Temperature (C)

Key
High
Average
Low

 

Average Sigtuna Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 32.4 28 22.9
Feb 36 31.6 26.6
Mar 40.4 31.8 23.6
Apr 51.4 42 33.2
May 63.2 53 43.9
Jun 68.5 59.1 51
Jul 74.4 64.3 55.1
Aug 72.1 62.2 52.9
Sep 62.5 53.7 45.7
Oct 51.5 44.5 37.4
Nov 43.4 39.4 34.9
Dec 34.6 30.1 24.8

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 0.2 -2.2 -5.1
Feb 2.2 -0.2 -3
Mar 4.7 -0.1 -4.7
Apr 10.8 5.6 0.7
May 17.3 11.7 6.6
Jun 20.3 15.1 10.6
Jul 23.6 17.9 12.8
Aug 22.3 16.8 11.6
Sep 16.9 12.1 7.6
Oct 10.8 6.9 3
Nov 6.3 4.1 1.6
Dec 1.4 -1.1 -4

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Sigtuna are February, April, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid February. For example, on the week of February 12th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late January and early February with an average of 4 days of significant precipitation the week of January 29th.

When can you find snow in Sigtuna? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Sigtuna.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Sigtuna (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 22% 0 1.8
Feb 8% 0 0.5
Mar 10% 0 0.7
Apr 8% 0 1.1
May 16% 0 2
Jun 28% 0 2.8
Jul 21% 0 2
Aug 20% 0 2.6
Sep 20% 0 2.4
Oct 18% 0 1.7
Nov 23% 0 1.7
Dec 15% 0 1.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 22 0 4.6
Feb 8 0 1.3
Mar 10 0 1.8
Apr 8 0 2.8
May 16 0 5.1
Jun 28 0 7.1
Jul 21 0 5.1
Aug 20 0 6.6
Sep 20 0 6.1
Oct 18 0 4.3
Nov 23 0 4.3
Dec 15 0 3.6

 

Humidity and Wind

Sigtuna has some extremely humid months, with other comfortably humid months. The least humid month is April (57.2% relative humidity), and the most humid month is November (92%).

Wind in Sigtuna is usually calm. The windiest month is February, followed by April and May. February’s average wind speed of around 5.2 knots (5.9 MPH or 9.6 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early May where average top sustained speeds reach 9.7 knots, which is considered a gentle breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Sigtuna.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 4.8 Light breeze 7.4 Gentle breeze
Feb 5.2 Light breeze 7.8 Gentle breeze
Mar 4.6 Light breeze 7.9 Gentle breeze
Apr 5.1 Light breeze 8.9 Gentle breeze
May 4.8 Light breeze 8.2 Gentle breeze
Jun 4.1 Light breeze 7.1 Gentle breeze
Jul 3.8 Barely noticeable 6.8 Gentle breeze
Aug 3.6 Barely noticeable 6.4 Light breeze
Sep 3.8 Barely noticeable 6.2 Gentle breeze
Oct 3.8 Barely noticeable 6.4 Light breeze
Nov 4.4 Light breeze 6.9 Gentle breeze
Dec 4.7 Light breeze 7.2 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 91.6%
Feb 83.4%
Mar 62.2%
Apr 57.2%
May 61.3%
Jun 65.6%
Jul 66.1%
Aug 71.3%
Sep 80%
Oct 85.7%
Nov 92%
Dec 89%

 

Is it Safe to Travel to Sigtuna?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Sweden; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Sigtuna, Sweden is August, followed by May and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Sigtuna in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 52.3 in December means 52.3% of the tourists vs. August.

 

 

Overall Sigtuna Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 67.9°F (19.9°C) and 38.3°F (3.5°C) with far warmer temperatures in the later months. Rain is rare with 2 to 5 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see the most precipitation with 6 to 8 days of precipitation per month. June – August is the busiest season for tourism in Sigtuna, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 67.2°F (19.6°C) and 36.3°F (2.4°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 5 to 7 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is far too cold this time of year in Sigtuna to be enjoyable for warm weather travelers. The average high during this season is between 40.5°F (4.7°C) and 28.6°F (-1.9°C). On average, it rains or snows a fair amount: 2 to 7 times per month. These times of year are the slowest with tourists.

 

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