AI-generatedRaseborg at a glance
- Best time
- Jul
- Warmest month
- Jul · 21°
- Warmest sea
- Aug · 17.4°
- Sunshine a year
- 1,930 h
- Rain a year
- 628 mm
- Climate
- Continental
- Time zone
- UTC+2 / UTC+3
- Elevation
- 19 m
Climate in Raseborg
Raseborg has mild to warm summers and cold winters with occasional snow. July is the warmest month with average highs of 21 °C, while February is the coolest at −1 °C. With around 1,930 hours of sunshine a year, Raseborg is moderately sunny; July is the sunniest month with 10.1 hours a day.
Holiday weather through the year
Best time to visit Raseborg
The best time to visit Raseborg is in July. The sea stays too cool for a classic beach holiday: even in August it only reaches 17.4 °C. For sightseeing, day trips and hiking, conditions are most comfortable from June to September. Rain is frequent in December; the wettest month is August with 70 mm.
Raseborg through the seasons
How the weather changes over the seasons, with averages for each.
Raseborg in spring
Mar – May
Poor
- 2–13 °C by day
- Sea 3 °C
- 7.1 h of sun a day
- 24 rainy days in all
Raseborg in summer
Jun – Aug
Poor
- 18–21 °C by day
- Sea 15 °C
- 9.3 h of sun a day
- 32 rainy days in all
Raseborg in autumn
Sep – Nov
Poor
- 5–15 °C by day
- Sea 11 °C
- 3.2 h of sun a day
- 33 rainy days in all
Raseborg in winter
Dec – Feb
Poor
- −1–2 °C by day
- Sea 3 °C
- 1.5 h of sun a day
- 34 rainy days in all
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Jun – Sep
15–28 °C and not too much rain
Rainy months
Dec
Rainy season or more than 12 rainy days
Snow
Nov – Mar
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Raseborg for you.
Your best months: July
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: July
Where to go in OctoberSea temperature in October
A typical day in October
- Morning, 08:00: about 6°
- Midday, 13:00: about 9°
- Afternoon, 16:00: about 9°
- Evening, 20:00: about 8°
- Night, 23:00: about 7°
08:0318:21
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 07:37–09:02 · evening 17:22–18:47
- Blue hour
- Morning 07:21–07:37 · evening 18:47–19:03
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 Raseborg compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 12° at the start of the month to 7° at the end. The sea cools from 13° to 9°. The days get 2.6 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 12° | 7° |
| Night-time low | 7° | 3° |
| Sea | 13° | 9° |
| Daylight | 11.6 h | 8.9 h |
What is the weather like in Raseborg in October?
In October, Raseborg is cold: daytime highs average 10 °C, and nights cool down to about 5 °C. The sea averages 11.1 °C – swimming is only for the hardy. The sun is scarce, with only about 3.0 hours a day. Rain is frequent, with about 11 rainy days and 66 mm in total. All in all, October is not an ideal month for a holiday in Raseborg.
More details for October
- Daylight
- 10 h 18 min08:03 – 18:21
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 24 km/haverage daily peakAll months
- Cloud cover
- 72 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+3offset from UTC
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 20 %49 %
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
Compare two months in Raseborg
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 Raseborg: score 43 against 10. In July, days are 11 °C warmer than in October. The sea is 5 °C warmer in July. The sun shines 7 hours longer a day in July.
| Month | October | July |
|---|---|---|
| Holiday weather score | 10 | 43better |
| Daytime high | 10° | 21° |
| Night-time low | 5° | 14° |
| Sea | 11.1° | 16.5° |
| Sunshine | 3.0 h | 10.1 hbetter |
| Rainy days | 11 | 11 |
| Rainfall | 66 mm | 64 mm |
| Muggy days | 0better | 1 |
Based on the climate averages 1996–2025.
Raseborg month by month
The typical weather for every month at a glance.
9January0° · Sea 3° · 1.2 h
In January, Raseborg is bitterly cold: daytime highs average 0 °C, and nights often drop below freezing (−4 °C). The sea averages 2.7 °C – swimming is only for the hardy. The sun is scarce, with only about 1.2 hours a day. Precipitation falls on about 12 days, totalling 53 mm; on about 8 of them it snows. All in all, January is not an ideal month for a holiday in Raseborg.
Raseborg in January12February−1° · Sea 1° · 2.4 h
In February, Raseborg is bitterly cold: daytime highs average −1 °C, and nights often drop below freezing (−6 °C). The sea averages 1.3 °C – swimming is only for the hardy. The sun is scarce, with only about 2.4 hours a day. Precipitation falls on about 10 days, totalling 43 mm; on about 7 of them it snows. All in all, February is not an ideal month for a holiday in Raseborg.
Raseborg in February20March2° · Sea 1° · 4.7 h
In March, Raseborg is bitterly cold: daytime highs average 2 °C, and nights often drop below freezing (−3 °C). The sea averages 1.0 °C – swimming is only for the hardy. Expect around 4.7 hours of sunshine a day. Precipitation falls on about 8 days, totalling 34 mm; on about 5 of them it snows. All in all, March is not an ideal month for a holiday in Raseborg.
Raseborg in March27April7° · Sea 3° · 6.9 h
In April, Raseborg is cold: daytime highs average 7 °C, and nights cool down to about 1 °C. The sea averages 2.5 °C – swimming is only for the hardy. The sun shines for around 6.9 hours a day. Rain falls on about 8 days, adding up to 35 mm. All in all, April is not an ideal month for a holiday in Raseborg.
Raseborg in April34May13° · Sea 7° · 9.6 h
In May, Raseborg is cool: daytime highs average 13 °C, and nights cool down to about 6 °C. The sea averages 6.5 °C – swimming is only for the hardy. With around 9.6 hours of sunshine a day, there is plenty of sun. Rain falls on about 8 days, adding up to 37 mm. All in all, May is not an ideal month for a holiday in Raseborg.
Raseborg in May33June18° · Sea 12° · 9.8 h
In June, Raseborg is mild: daytime highs average 18 °C, and nights cool down to about 11 °C. The sea averages 11.9 °C – swimming is only for the hardy. With around 9.8 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 9 rainy days and 52 mm in total. All in all, June is not an ideal month for a holiday in Raseborg.
Raseborg in June43July21° · Sea 17° · 10.1 h
In July, Raseborg is warm: daytime highs average 21 °C, and nights cool down to about 14 °C. The sea averages 16.5 °C – swimming is only for the hardy. With around 10.1 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 11 rainy days and 64 mm in total. All in all, July is a so-so month for a holiday in Raseborg – and yet one of the best months here.
Raseborg in July34August20° · Sea 17° · 8.1 h
In August, Raseborg is mild: daytime highs average 20 °C, and nights cool down to about 14 °C. The sea averages 17.4 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8.1 hours a day. Rain is frequent, with about 12 rainy days and 70 mm in total. All in all, August is not an ideal month for a holiday in Raseborg.
Raseborg in August19September15° · Sea 15° · 5.4 h
In September, Raseborg is cool: daytime highs average 15 °C, and nights cool down to about 10 °C. The sea averages 15.1 °C – swimming is only for the hardy. Expect around 5.4 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 54 mm in total. All in all, September is not an ideal month for a holiday in Raseborg.
Raseborg in September10October10° · Sea 11° · 3.0 h
In October, Raseborg is cold: daytime highs average 10 °C, and nights cool down to about 5 °C. The sea averages 11.1 °C – swimming is only for the hardy. The sun is scarce, with only about 3.0 hours a day. Rain is frequent, with about 11 rainy days and 66 mm in total. All in all, October is not an ideal month for a holiday in Raseborg.
Raseborg in October9November5° · Sea 8° · 1.2 h
In November, Raseborg is cold: daytime highs average 5 °C, and nights cool down to about 1 °C. The sea averages 7.9 °C – swimming is only for the hardy. The sun is scarce, with only about 1.2 hours a day. Rain is frequent, with about 12 rainy days and 62 mm in total. Snow falls on about 3 days. All in all, November is not an ideal month for a holiday in Raseborg.
Raseborg in November7December2° · Sea 5° · 0.9 h
In December, Raseborg is bitterly cold: daytime highs average 2 °C, and nights often drop below freezing (−2 °C). The sea averages 5.1 °C – swimming is only for the hardy. The sun is scarce, with only about 0.9 hours a day. Precipitation falls on about 13 days, totalling 60 mm; on about 6 of them it snows. All in all, December is not an ideal month for a holiday in Raseborg.
Raseborg in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Raseborg
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 (−6°), 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 | 9 | 0° | −4° | 2.7° | 1.2 h | 12 | 53 |
| FebruaryFeb | 12 | −1° | −6° | 1.3° | 2.4 h | 10 | 43 |
| MarchMar | 20 | 2° | −3° | 1.0° | 4.7 h | 8 | 34 |
| AprilApr | 27 | 7° | 1° | 2.5° | 6.9 h | 8 | 35 |
| MayMay | 34 | 13° | 6° | 6.5° | 9.6 h | 8 | 37 |
| JuneJun | 33 | 18° | 11° | 11.9° | 9.8 h | 9 | 52 |
| JulyJul | 43 | 21° | 14° | 16.5° | 10.1 h | 11 | 64 |
| AugustAug | 34 | 20° | 14° | 17.4° | 8.1 h | 12 | 70 |
| SeptemberSep | 19 | 15° | 10° | 15.1° | 5.4 h | 10 | 54 |
| OctoberOct | 10 | 10° | 5° | 11.1° | 3.0 h | 11 | 66 |
| NovemberNov | 9 | 5° | 1° | 7.9° | 1.2 h | 12 | 62 |
| DecemberDec | 7 | 2° | −2° | 5.1° | 0.9 h | 13 | 60 |
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
59.98° N, 23.44° E · 19 m · Europe/Helsinki
Sea temperature
Sea temperature in Raseborg
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 9.9 – 12.1 °C
Swimming season: Always below 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Raseborg ranges from 1.0 °C in March to 17.4 °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 16.4 and 18.5 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 2.7° | 1.2° | 4.1° | cold |
| FebruaryFeb | 1.3° | 0.3° | 2.4° | cold |
| MarchMar | 1.0° | 0.1° | 2.0° | cold |
| AprilApr | 2.5° | 1.6° | 3.6° | cold |
| MayMay | 6.5° | 5.4° | 7.7° | cold |
| JuneJun | 11.9° | 10.3° | 13.6° | cold |
| JulyJul | 16.5° | 14.9° | 18.4° | cold |
| AugustAug | 17.4° | 16.4° | 18.5° | fresh |
| SeptemberSep | 15.1° | 14.0° | 15.9° | cold |
| OctoberOct | 11.1° | 9.9° | 12.1° | cold |
| NovemberNov | 7.9° | 6.6° | 9.1° | cold |
| DecemberDec | 5.1° | 3.4° | 6.4° | cold |
Sunshine
Sunshine hours in Raseborg
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 3.0 of 10.3 hours of daylight in Raseborg, 29 % 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
Rain in Raseborg: 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, Raseborg has about 11 rainy days with 66 mm of rain in total.
UV index
UV index in Raseborg
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 & clouds
Wind and clouds in Raseborg
How breezy and how cloudy Raseborg 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 Raseborg typically peaks at 24 km/h during the day: Beaufort 4, moderate breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: all year except Jul.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 72 % of the sky over Raseborg: mostly cloudy, with about 3.0 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
Snow in Raseborg
When Raseborg is likely to be white: 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 Raseborg.
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 Raseborg
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Raseborg 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.
Raseborg has its best school-holiday weather during the summer holidays (score 37) and its weakest during the Christmas holidays (score 8).
- 25
Easter holidays
Mar – Apr
Poor
- 5 °C by day
- Sea 2 °C
- 6.2 h of sun a day
- 8 rainy days a month
Keep in mind: Snow
- 34
May half-term
May – Jun
Poor
- 14 °C by day
- Sea 8 °C
- 9.6 h of sun a day
- 8 rainy days a month
- 37
Summer holidays
Jul – Aug
PoorBest holidays
- 20 °C by day
- Sea 17 °C
- 8.8 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 10
October half-term
Oct
Poor
- 10 °C by day
- Sea 11 °C
- 3.0 h of sun a day
- 11 rainy days a month
- 8
Christmas holidays
Dec – Jan
Poor
- 1 °C by day
- Sea 4 °C
- 1.1 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain, Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 2 h 35 min
- Distance
- 1,760 km
- Time zone
- UTC+3
- 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.
Good to know: Finland
- Currency
- Euro (EUR)
- Languages
- Finnish, Swedish
- Sockets
- Type C, F · 230 V
- Traffic
- Drives on the right
- Dialling code
- +358
- Emergency number
- 112
UK plugs need a travel adapter
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Raseborg compared
Put Raseborg side by side with another destination.
Raseborg vs Hanko
In October the holiday weather in Raseborg and Hanko is about equally good (score 10 vs 7). During the day it is about as warm in Hanko as in Raseborg. The sea is about equally warm.
| in October | Raseborg | Hanko |
|---|---|---|
| Holiday weather score | 10 | 7 |
| Daytime high | 10° | 10° |
| Sea | 11° | 11° |
| Sunshine | 3 h | 3 h |
| Rainy days | 11 | 13 |
| Best time | Jul | May – Jul |
Through the year
Best places in the country
Finland in October: the best places
In October, Raseborg ranks 20 among the 31 nearest destinations in this country.
- Espoo9°11°21
- 2Turku9°11°21
- 3Helsinki9°11°20
- 4Vantaa9°19
- 5Seinäjoki7°16
- 6Kokkola7°9°16
- 7Hämeenlinna8°15
- 8Nokia8°15
- 20RaseborgThis page10°11°10
Places nearby
Near Raseborg
Other destinations close by.
Places with a similar climate
Places with a climate like Raseborg
Destinations whose weather through the year is closest to Raseborg's – good alternatives.
Frequently asked questions about Raseborg
When is the best time to visit Raseborg?
The best time to visit Raseborg 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 Raseborg?
The sea temperature in Raseborg ranges from 1.0 °C in March to 17.4 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Raseborg in October?
Only if you don't mind cold water: in October the sea averages just 11.1 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Raseborg?
July is the warmest month, with average highs of 21 °C and nights around 14 °C. February is the coolest month at −1 °C.
When does it rain most in Raseborg?
Rain is frequent in December; the wettest month is August with 70 mm. The driest month is March with 34 mm.
How many hours of sunshine does Raseborg get?
Raseborg gets around 1,930 hours of sunshine a year. The sunniest month is July with 10.1 hours a day; in December there are 0.9 hours a day.
What time zone is Raseborg in?
Raseborg is on UTC+2 in January and UTC+3 in July.
How long is the flight from London to Raseborg?
A nonstop flight from London to Raseborg takes about 2 h 35 min, for a straight-line distance of about 1,760 km.
Which school holidays are best for Raseborg?
Raseborg has its best school-holiday weather during the summer holidays (score 37) and its weakest during the Christmas holidays (score 8). Holiday ratings (0–100): Easter holidays 25, May half-term 34, summer holidays 37, October half-term 10, Christmas holidays 8.