AI-generatedSödertälje at a glance
- Best time
- Jul
- Warmest month
- Jul · 22°
- Warmest sea
- Aug · 17.3°
- Sunshine a year
- 1,810 h
- Rain a year
- 578 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 29 m
Climate in Södertälje
Södertälje has a maritime climate with moderate summers and cool, often grey winters. July is the warmest month with average highs of 22 °C, while January is the coolest at 0 °C. With around 1,810 hours of sunshine a year, Södertälje is moderately sunny; June is the sunniest month with 8.9 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Poor
Best time to visit: July
A typical day in October
- Morning, 08:00: about 6°
- Midday, 13:00: about 10°
- Afternoon, 16:00: about 10°
- Evening, 20:00: about 8°
- Night, 23:00: about 7°
07:2417:46
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 06:59–08:22 · evening 16:49–18:11
- Blue hour
- Morning 06:43–06:59 · evening 18:11–18:27
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.
What is the weather like in Södertälje in October?
In October, Södertälje is cold: daytime highs average 10 °C, and nights cool down to about 5 °C. The sea averages 10.5 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 10 rainy days and 52 mm in total. All in all, October is not an ideal month for a holiday in Södertälje.
More details for October
- Daylight
- 10 h 21 min07:24 – 17:46
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 70 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+2Europe/Stockholm
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 20 %57 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Warm jacket
- Rain jacket or umbrella
Sea temperature in Södertälje
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 9.2 – 12.0 °C
Swimming season: Never above 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Södertälje ranges from 2.0 °C in March to 17.3 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
The sea warms up slowly: it is warmest in August, while the air already peaks in July. From October to February the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 15.7 and 18.9 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 3.2° | 1.6° | 4.6° | cold |
| FebruaryFeb | 2.1° | 0.7° | 3.1° | cold |
| MarchMar | 2.0° | 0.6° | 3.2° | cold |
| AprilApr | 3.5° | 2.5° | 4.4° | cold |
| MayMay | 7.2° | 6.1° | 8.0° | cold |
| JuneJun | 12.4° | 11.0° | 14.3° | cold |
| JulyJul | 16.5° | 14.9° | 17.9° | cold |
| AugustAug | 17.3° | 15.7° | 18.9° | fresh |
| SeptemberSep | 14.4° | 13.2° | 16.1° | cold |
| OctoberOct | 10.5° | 9.2° | 12.0° | cold |
| NovemberNov | 7.4° | 6.5° | 9.0° | cold |
| DecemberDec | 5.0° | 3.8° | 6.0° | cold |
Sunshine hours in Södertälje
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 10.4 hours of daylight in Södertälje, 28 % of the day.
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.
UV index in Södertälje
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 it, 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.
Rain in Södertälje: 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, Södertälje has about 10 rainy days with 52 mm of rain in total.
Wind and clouds in Södertälje
How breezy and how cloudy Södertälje 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 Södertälje typically peaks at 18 km/h during the day: Beaufort 3, light breeze.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 70 % of the sky over Södertälje: 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 Södertälje
Snow is possible in Södertälje, 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 Södertälje.
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.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Södertälje
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 5°. The room should be heated.
The coolest nights are in February (−4°), the warmest in July (14°). 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 | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 13 | 0° | −4° | 3.2° | 1.4 h | 9 | 39 |
| FebruaryFeb | 15 | 1° | −4° | 2.1° | 2.6 h | 8 | 31 |
| MarchMar | 21 | 4° | −2° | 2.0° | 4.8 h | 7 | 29 |
| AprilApr | 27 | 10° | 2° | 3.5° | 6.9 h | 8 | 31 |
| MayMay | 30 | 16° | 7° | 7.2° | 8.5 h | 10 | 48 |
| JuneJun | 35 | 20° | 12° | 12.4° | 8.9 h | 11 | 65 |
| JulyJul | 43 | 22° | 14° | 16.5° | 8.5 h | 13 | 75 |
| AugustAug | 35 | 21° | 14° | 17.3° | 7.2 h | 12 | 71 |
| SeptemberSep | 22 | 16° | 10° | 14.4° | 5.3 h | 8 | 47 |
| OctoberOct | 11 | 10° | 5° | 10.5° | 2.9 h | 10 | 52 |
| NovemberNov | 12 | 5° | 1° | 7.4° | 1.4 h | 10 | 46 |
| DecemberDec | 10 | 1° | −2° | 5.0° | 1.0 h | 11 | 46 |
Climate averages 1996–2025, 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
59.20° N, 17.63° E · 29 m · Europe/Stockholm
Best time to visit Södertälje
The best time to visit Södertälje is in July. The sea stays too cool for a classic beach holiday: even in August it only reaches 17.3 °C. 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 75 mm of precipitation.
Södertälje through the seasons
How the weather changes over the seasons, with averages for each.
Södertälje in spring
Mar – May
Poor
- 4–16 °C by day
- Sea 4 °C
- 7 h of sun a day
- 25 rainy days in all
Södertälje in summer
Jun – Aug
Poor
- 20–22 °C by day
- Sea 15 °C
- 8 h of sun a day
- 36 rainy days in all
Södertälje in autumn
Sep – Nov
Poor
- 5–16 °C by day
- Sea 11 °C
- 3 h of sun a day
- 28 rainy days in all
Södertälje in winter
Dec – Feb
Poor
- 0–1 °C by day
- Sea 3 °C
- 2 h of sun a day
- 27 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Södertälje for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Compare two months in Södertälje
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
July has the better holiday weather in Södertälje: score 43 against 11. In July, days are 12 °C warmer than in October. The sea is 6 °C warmer in July. July has 3 more rainy days. The sun shines 6 hours longer a day in July.
| Month | October | July |
|---|---|---|
| Weather score | 11 | 43better |
| Day high | 10° | 22° |
| Night low | 5° | 14° |
| Sea | 10.5° | 16.5° |
| Sunshine | 2.9 h | 8.5 hbetter |
| Rainy days | 10better | 13 |
| Rainfall | 52 mmbetter | 75 mm |
| Muggy days | 0better | 1 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Jun, Aug – Sep
15–28 °C and not too much rain
Rainy months
Jul
12 or more rainy days
Snow
Nov – Mar
Snow on 2 or more days
Södertälje month by month
The typical weather for every month at a glance.
13January0° · Sea 3° · 1 h
In January, Södertälje is freezing cold: daytime highs average 0 °C, and nights often drop below freezing (−4 °C). The sea averages 3.2 °C – swimming is only for the hardy. The sun is scarce, with only about 1 hours a day. Precipitation, often as snow, falls on about 9 days, totalling 39 mm. Snow falls on about 5 days. All in all, January is not an ideal month for a holiday in Södertälje.
Södertälje in January15February1° · Sea 2° · 3 h
In February, Södertälje is freezing cold: daytime highs average 1 °C, and nights often drop below freezing (−4 °C). The sea averages 2.1 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Precipitation, often as snow, falls on about 8 days, totalling 31 mm. Snow falls on about 5 days. All in all, February is not an ideal month for a holiday in Södertälje.
Södertälje in February21March4° · Sea 2° · 5 h
In March, Södertälje is cold: daytime highs average 4 °C, and nights often drop below freezing (−2 °C). The sea averages 2.0 °C – swimming is only for the hardy. Expect around 5 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 Södertälje.
Södertälje in March27April10° · Sea 4° · 7 h
In April, Södertälje is cool: daytime highs average 10 °C, and nights cool down to about 2 °C. The sea averages 3.5 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain falls on about 8 days, adding up to 31 mm. All in all, April is not an ideal month for a holiday in Södertälje.
Södertälje in April30May16° · Sea 7° · 9 h
In May, Södertälje is cool: daytime highs average 16 °C, and nights cool down to about 7 °C. The sea averages 7.2 °C – swimming is only for the hardy. The sun shines for around 9 hours a day. Rain is frequent, with about 10 rainy days and 48 mm in total. All in all, May is not an ideal month for a holiday in Södertälje.
Södertälje in May35June20° · Sea 12° · 9 h
In June, Södertälje is mild: daytime highs average 20 °C, and nights cool down to about 12 °C. The sea averages 12.4 °C – swimming is only for the hardy. The sun shines for around 9 hours a day. Rain is frequent, with about 11 rainy days and 65 mm in total. All in all, June is not an ideal month for a holiday in Södertälje.
Södertälje in June43July22° · Sea 17° · 9 h
In July, Södertälje is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. The sea averages 16.5 °C – swimming is only for the hardy. The sun shines for around 9 hours a day. Rain is frequent, with about 13 rainy days and 75 mm in total. All in all, July is a so-so month for a holiday in Södertälje.
Södertälje in July35August21° · Sea 17° · 7 h
In August, Södertälje is mild: daytime highs average 21 °C, and nights cool down to about 14 °C. The sea averages 17.3 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 71 mm in total. All in all, August is not an ideal month for a holiday in Södertälje.
Södertälje in August22September16° · Sea 14° · 5 h
In September, Södertälje is mild: daytime highs average 16 °C, and nights cool down to about 10 °C. The sea averages 14.4 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain falls on about 8 days, adding up to 47 mm. All in all, September is not an ideal month for a holiday in Södertälje.
Södertälje in September11October10° · Sea 11° · 3 h
In October, Södertälje is cold: daytime highs average 10 °C, and nights cool down to about 5 °C. The sea averages 10.5 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 10 rainy days and 52 mm in total. All in all, October is not an ideal month for a holiday in Södertälje.
Södertälje in October12November5° · Sea 7° · 1 h
In November, Södertälje is cold: daytime highs average 5 °C, and nights cool down to about 1 °C. The sea averages 7.4 °C – swimming is only for the hardy. The sun is scarce, with only about 1 hours a day. Rain is frequent, with about 10 rainy days and 46 mm in total. Snow falls on about 2 days. All in all, November is not an ideal month for a holiday in Södertälje.
Södertälje in November10December1° · Sea 5° · 1 h
In December, Södertälje is freezing cold: daytime highs average 1 °C, and nights often drop below freezing (−2 °C). The sea averages 5.0 °C – swimming is only for the hardy. The sun is scarce, with only about 1 hours a day. Precipitation, often as snow, falls on about 11 days, totalling 46 mm. Snow falls on about 4 days. All in all, December is not an ideal month for a holiday in Södertälje.
Södertälje in DecemberSödertälje compared
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Södertälje vs. Stockholm
In October the holiday weather in Södertälje and Stockholm is about equally good (score 11 vs. 10). During the day it is about as warm in Stockholm as in Södertälje. The sea in Stockholm is 1 °C cooler.
| in October | Södertälje | Stockholm |
|---|---|---|
| Holiday score | 11 | 10 |
| Daytime high | 10° | 10° |
| Sea | 11° | 10° |
| Sunshine | 3 h | 3 h |
| Rainy days | 10 | 11 |
| Best time | Jul | Jun – Aug |
Through the year
Sweden in October: the best places
In October, Södertälje ranks 18 of 25 destinations in this country.
- Malmö12°12°35
- 2Lund12°32
- 3Linköping10°26
- 4Uppsala9°25
- 5Stockholm10°10°24
- 6Västerås9°24
- 7Jönköping10°24
- 8Växjö10°24
- 18SödertäljeThis page10°11°11
Planning a trip to Södertälje
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Södertälje 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.
Södertälje has its best school-holiday weather during the summer holidays (score 38) and its weakest during October half-term (score 11).
- 25
Easter holidays
Mar – Apr
Poor
- 8 °C by day
- Sea 3 °C
- 6.3 h of sun a day
- 8 rainy days a month
Keep in mind: Snow
- 31
May half-term
May – Jun
Poor
- 16 °C by day
- Sea 8 °C
- 8.6 h of sun a day
- 10 rainy days a month
Good for: Sightseeing & walks
- 38
Summer holidays
Jul – Aug
PoorBest holidays
- 21 °C by day
- Sea 17 °C
- 7.7 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 11
October half-term
Oct
Poor
- 10 °C by day
- Sea 11 °C
- 2.9 h of sun a day
- 10 rainy days a month
- 12
Christmas holidays
Dec – Jan
Poor
- 1 °C by day
- Sea 4 °C
- 1.2 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
- 1,420 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.
Frequently asked questions about Södertälje
When is the best time to visit Södertälje?
The best time to visit Södertälje is in July. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Södertälje?
The sea temperature in Södertälje ranges from 2.0 °C in March to 17.3 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Södertälje in October?
Only if you don't mind cold water: in October the sea averages just 10.5 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Södertälje?
July is the warmest month, with average highs of 22 °C and nights around 14 °C. January is the coolest month at 0 °C.
When does it rain most in Södertälje?
The wettest month is July with 75 mm of precipitation. The driest month is March with 29 mm.
How many hours of sunshine does Södertälje get?
Södertälje gets around 1,810 hours of sunshine a year. The sunniest month is June with 8.9 hours a day; in December there are 1.0 hours a day.
What time zone is Södertälje in?
Södertälje uses the time zone Europe/Stockholm: UTC+1 in January and UTC+2 in July.
How long is the flight from London to Södertälje?
A nonstop flight from London to Södertälje takes about 2 h 15 min, for a straight-line distance of about 1,420 km.
Which school holidays are best for Södertälje?
Södertälje has its best school-holiday weather during the summer holidays (score 38) and its weakest during October half-term (score 11). Holiday ratings (0–100): Easter holidays 25, May half-term 31, Summer holidays 38, October half-term 11, Christmas holidays 12.
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