AI-generatedSigtuna at a glance
- Best time
- May – Sep
- Warmest month
- Jul · 23°
- Sunshine a year
- 1,810 h
- Rain a year
- 567 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 16 m
Climate in Sigtuna
Sigtuna has a maritime climate with moderate summers and cool, often grey winters. July is the warmest month with average highs of 23 °C, while January is the coolest at 1 °C. With around 1,810 hours of sunshine a year, Sigtuna is moderately sunny; June is the sunniest month with 8.8 hours a day.
Holiday weather through the year
Best time to visit Sigtuna
The best time to visit Sigtuna is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable from May to June and from August to September. The wettest month is July with 74 mm of precipitation.
Sigtuna through the seasons
How the weather changes over the seasons, with averages for each.
Sigtuna in spring
Mar – May
Fair
- 5–17 °C by day
- 6.7 h of sun a day
- 24 rainy days in all
Sigtuna in summer
Jun – Aug
Excellent
- 21–23 °C by day
- 8.2 h of sun a day
- 35 rainy days in all
Sigtuna in autumn
Sep – Nov
Fair
- 5–17 °C by day
- 3.2 h of sun a day
- 27 rainy days in all
Sigtuna in winter
Dec – Feb
Poor
- 1–2 °C by day
- 1.6 h of sun a day
- 27 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Jun, Aug – Sep
15–28 °C and not too much rain
Snow
Nov – Mar
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Sigtuna for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Poor
Best time to visit: May – September
A typical day in October
- Morning, 08:00: about 5°
- Midday, 13:00: about 10°
- Afternoon, 16:00: about 10°
- Evening, 20:00: about 7°
- Night, 23:00: about 6°
07:2517:45
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:59–08:23 · evening 16:46–18:10
- Blue hour
- Morning 06:43–06:59 · evening 18:10–18:26
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Sigtuna compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 13° at the start of the month to 8° at the end. The days get 2.6 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 13° | 8° |
| Night-time low | 6° | 2° |
| Daylight | 11.6 h | 9.0 h |
What is the weather like in Sigtuna in October?
In October, Sigtuna is cool: daytime highs average 10 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 2.9 hours a day. Rain is frequent, with about 10 rainy days and 51 mm in total. All in all, October is not an ideal month for a holiday in Sigtuna.
More details for October
- Daylight
- 10 h 20 min07:25 – 17:45
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 71 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+2offset from UTC
How the score comes together
- Temperatureweight 50 %26 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %61 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Sigtuna
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
May has the better holiday weather in Sigtuna: score 85 against 31. In May, days are 7 °C warmer than in October. The sun shines 6 hours longer a day in May.
| Month | October | May |
|---|---|---|
| Holiday weather score | 31 | 85better |
| Daytime high | 10° | 17° |
| Night-time low | 4° | 5° |
| Sunshine | 2.9 h | 8.5 hbetter |
| Rainy days | 10 | 10 |
| Rainfall | 51 mm | 48 mm |
Based on the climate averages 1996–2025.
Sigtuna month by month
The typical weather for every month at a glance.
20January1° · 1.3 h
In January, Sigtuna is bitterly cold: daytime highs average 1 °C, and nights often drop below freezing (−4 °C). The sun is scarce, with only about 1.3 hours a day. Precipitation falls on about 9 days, totalling 37 mm; on about 5 of them it snows. All in all, January is not an ideal month for a holiday in Sigtuna.
Sigtuna in January22February1° · 2.6 h
In February, Sigtuna is bitterly cold: daytime highs average 1 °C, and nights often drop below freezing (−5 °C). The sun is scarce, with only about 2.6 hours a day. Precipitation falls on about 8 days, totalling 30 mm; on about 4 of them it snows. All in all, February is not an ideal month for a holiday in Sigtuna.
Sigtuna in February29March5° · 4.7 h
In March, Sigtuna is cold: daytime highs average 5 °C, and nights often drop below freezing (−3 °C). Expect around 4.7 hours of sunshine a day. Rain falls on about 7 days, adding up to 29 mm. Snow falls on about 3 days. All in all, March is not an ideal month for a holiday in Sigtuna.
Sigtuna in March53April11° · 7.0 h
In April, Sigtuna is cool: daytime highs average 11 °C, and nights cool down to about 1 °C. The sun shines for around 7.0 hours a day. Rain falls on about 8 days, adding up to 30 mm. All in all, April is a so-so month for a holiday in Sigtuna.
Sigtuna in April85May17° · 8.5 h
In May, Sigtuna is mild: daytime highs average 17 °C, and nights cool down to about 5 °C. The sun shines for around 8.5 hours a day. Rain is frequent, with about 10 rainy days and 48 mm in total. All in all, May is an excellent month for a holiday in Sigtuna.
Sigtuna in May85June21° · 8.8 h
In June, Sigtuna is mild: daytime highs average 21 °C, and nights cool down to about 10 °C. The sun shines for around 8.8 hours a day. Rain is frequent, with about 11 rainy days and 66 mm in total. All in all, June is an excellent month for a holiday in Sigtuna.
Sigtuna in June80July23° · 8.5 h
In July, Sigtuna is warm: daytime highs average 23 °C, and nights cool down to about 13 °C. The sun shines for around 8.5 hours a day. Rain is frequent, with about 13 rainy days and 74 mm in total. All in all, July is an excellent month for a holiday in Sigtuna.
Sigtuna in July78August22° · 7.4 h
In August, Sigtuna is warm: daytime highs average 22 °C, and nights cool down to about 12 °C. The sun shines for around 7.4 hours a day. Rain is frequent, with about 12 rainy days and 69 mm in total. All in all, August is a good month for a holiday in Sigtuna.
Sigtuna in August78September17° · 5.3 h
In September, Sigtuna is mild: daytime highs average 17 °C, and nights cool down to about 8 °C. Expect around 5.3 hours of sunshine a day. Rain falls on about 8 days, adding up to 47 mm. All in all, September is a good month for a holiday in Sigtuna.
Sigtuna in September31October10° · 2.9 h
In October, Sigtuna is cool: daytime highs average 10 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 2.9 hours a day. Rain is frequent, with about 10 rainy days and 51 mm in total. All in all, October is not an ideal month for a holiday in Sigtuna.
Sigtuna in October18November5° · 1.4 h
In November, Sigtuna is cold: daytime highs average 5 °C, and nights cool down to about 1 °C. The sun is scarce, with only about 1.4 hours a day. Rain is frequent, with about 10 rainy days and 44 mm in total. Snow falls on about 2 days. All in all, November is not an ideal month for a holiday in Sigtuna.
Sigtuna in November16December2° · 0.9 h
In December, Sigtuna is bitterly cold: daytime highs average 2 °C, and nights often drop below freezing (−3 °C). The sun is scarce, with only about 0.9 hours a day. Precipitation falls on about 11 days, totalling 44 mm; on about 5 of them it snows. All in all, December is not an ideal month for a holiday in Sigtuna.
Sigtuna in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Sigtuna
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
ColdOctober: nights around 4°. The room should be heated.
The coolest nights are in February (−5°), the warmest in July (13°). Nights fall below 8 °C on average from October to May, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 20 | 1° | −4° | 1.3 h | 9 | 37 |
| FebruaryFeb | 22 | 1° | −5° | 2.6 h | 8 | 30 |
| MarchMar | 29 | 5° | −3° | 4.7 h | 7 | 29 |
| AprilApr | 53 | 11° | 1° | 7.0 h | 8 | 30 |
| MayMay | 85 | 17° | 5° | 8.5 h | 10 | 48 |
| JuneJun | 85 | 21° | 10° | 8.8 h | 11 | 66 |
| JulyJul | 80 | 23° | 13° | 8.5 h | 13 | 74 |
| AugustAug | 78 | 22° | 12° | 7.4 h | 12 | 69 |
| SeptemberSep | 78 | 17° | 8° | 5.3 h | 8 | 47 |
| OctoberOct | 31 | 10° | 4° | 2.9 h | 10 | 51 |
| NovemberNov | 18 | 5° | 1° | 1.4 h | 10 | 44 |
| DecemberDec | 16 | 2° | −3° | 0.9 h | 11 | 44 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
59.62° N, 17.72° E · 16 m · Europe/Stockholm
Sunshine hours in Sigtuna
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 2.9 of 10.3 hours of daylight in Sigtuna, 28 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Sigtuna: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Sigtuna has about 10 rainy days with 51 mm of rain in total.
UV index in Sigtuna
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 1 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 6).
Minutes until sunburn in October
- Very fair skin
- over 2 h
- Fair skin
- over 2 h
- Light brown skin
- over 2 h
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind and clouds in Sigtuna
How breezy and how cloudy Sigtuna is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Sigtuna typically peaks at 17 km/h during the day: Beaufort 3, gentle breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 71 % of the sky over Sigtuna: mostly cloudy, with about 2.9 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Snow in Sigtuna
Snow is possible in Sigtuna, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Sigtuna.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Planning a trip to Sigtuna
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Sigtuna in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Sigtuna has its best school-holiday weather during May half-term (score 85) and its weakest during the Christmas holidays (score 18).
- 46
Easter holidays
Mar – Apr
Fair
- 9 °C by day
- 6.3 h of sun a day
- 7 rainy days a month
Keep in mind: Snow
- 85
May half-term
May – Jun
ExcellentBest holidays
- 17 °C by day
- 8.6 h of sun a day
- 10 rainy days a month
Good for: Sightseeing & walks
- 79
Summer holidays
Jul – Aug
Good
- 22 °C by day
- 7.8 h of sun a day
- 12 rainy days a month
- 31
October half-term
Oct
Poor
- 10 °C by day
- 2.9 h of sun a day
- 10 rainy days a month
- 18
Christmas holidays
Dec – Jan
Poor
- 2 °C by day
- 1.1 h of sun a day
- 10 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 2 h 15 min
- Distance
- 1,450 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Compare & alternatives
Sigtuna compared
Put Sigtuna side by side with another destination.
Sigtuna vs Uppsala
In October the holiday weather in Sigtuna and Uppsala is about equally good (score 31 vs 30). During the day it is about as warm in Uppsala as in Sigtuna.
| in October | Sigtuna | Uppsala |
|---|---|---|
| Holiday weather score | 31 | 30 |
| Daytime high | 10° | 10° |
| Sunshine | 3 h | 3 h |
| Rainy days | 10 | 9 |
| Best time | May – Sep | May – Sep |
Through the year
Sweden in October: the best places
In October, Sigtuna ranks 1 among the 31 nearest destinations in this country.
- SigtunaThis page10°31
- 2Vimmerby11°31
- 3Linköping11°30
- 4Uppsala10°29
- 5Stockholm11°10°28
- 6Eskilstuna10°28
- 7Västerås10°27
- 8Örebro10°27
Near Sigtuna
Other destinations close by.
Places with a climate like Sigtuna
Destinations whose weather through the year is closest to Sigtuna's – good alternatives.
Frequently asked questions about Sigtuna
When is the best time to visit Sigtuna?
The best time to visit Sigtuna is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Sigtuna?
July is the warmest month, with average highs of 23 °C and nights around 13 °C. January is the coolest month at 1 °C.
When does it rain most in Sigtuna?
The wettest month is July with 74 mm of precipitation. The driest month is March with 29 mm.
How many hours of sunshine does Sigtuna get?
Sigtuna gets around 1,810 hours of sunshine a year. The sunniest month is June with 8.8 hours a day; in December there are 0.9 hours a day.
What time zone is Sigtuna in?
Sigtuna is on UTC+1 in January and UTC+2 in July.
How long is the flight from London to Sigtuna?
A nonstop flight from London to Sigtuna takes about 2 h 15 min, for a straight-line distance of about 1,450 km.
Which school holidays are best for Sigtuna?
Sigtuna has its best school-holiday weather during May half-term (score 85) and its weakest during the Christmas holidays (score 18). Holiday ratings (0–100): Easter holidays 46, May half-term 85, summer holidays 79, October half-term 31, Christmas holidays 18.