AI-generatedKemi at a glance
- Best time
- Jul
- Warmest month
- Jul · 21°
- Warmest sea
- Aug · 16.1°
- Sunshine a year
- 1,720 h
- Rain a year
- 653 mm
- Climate
- Continental
- Time zone
- UTC+2 / UTC+3
- Elevation
- 16 m
Climate in Kemi
Kemi has mild to warm summers and cold winters with occasional snow. July is the warmest month with average highs of 21 °C, while January is the coolest at −6 °C. With around 1,720 hours of sunshine a year, Kemi is moderately sunny; June is the sunniest month with 9.8 hours a day.
Holiday weather through the year
Best time to visit Kemi
The best time to visit Kemi is in July. The sea stays too cool for a classic beach holiday: even in August it only reaches 16.1 °C. For sightseeing, day trips and hiking, conditions are most comfortable from June to August. The wettest month is August with 78 mm of precipitation.
Kemi through the seasons
How the weather changes over the seasons, with averages for each.
Kemi in spring
Mar – May
Poor
- −1–12 °C by day
- Sea 1 °C
- 6.7 h of sun a day
- 25 rainy days in all
Kemi in summer
Jun – Aug
Poor
- 17–21 °C by day
- Sea 14 °C
- 8.7 h of sun a day
- 34 rainy days in all
Kemi in autumn
Sep – Nov
Poor
- 1–13 °C by day
- Sea 8 °C
- 2.5 h of sun a day
- 33 rainy days in all
Kemi in winter
Dec – Feb
Poor
- −5–−3 °C by day
- Sea 0 °C
- 0.9 h of sun a day
- 31 rainy days in all
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Jun – Aug
15–28 °C and not too much rain
Snow
Oct – Apr
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Kemi for you.
Your best months: June – 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
Keep in mindSnow
A typical day in October
- Morning, 08:00: about 0°
- Midday, 13:00: about 5°
- Afternoon, 16:00: about 5°
- Evening, 20:00: about 3°
- Night, 23:00: about 1°
08:1318:01
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 07:42–09:28 · evening 16:46–18:33
- Blue hour
- Morning 07:22–07:42 · evening 18:33–18:53
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 Kemi compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 9° at the start of the month to 3° at the end. The sea cools from 10° to 6°. The days get 3.5 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 9° | 3° |
| Night-time low | 2° | −3° |
| Sea | 10° | 6° |
| Daylight | 11.4 h | 7.9 h |
What is the weather like in Kemi in October?
In October, Kemi is cold: daytime highs average 5 °C, and nights often drop below freezing (−1 °C). The sea averages 8.0 °C – swimming is only for the hardy. The sun is scarce, with only about 2.4 hours a day. Rain is frequent, with about 11 rainy days and 62 mm in total. Snow falls on about 2 days. All in all, October is not an ideal month for a holiday in Kemi.
More details for October
- Daylight
- 9 h 48 min08:13 – 18:01
- UV index
- 0 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 75 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 2 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 %51 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Warm jacket
- Hat, scarf & gloves
- Rain jacket or umbrella
Compare two months in Kemi
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 Kemi: score 39 against 10. In July, days are 16 °C warmer than in October. The sea is 8 °C warmer in July. July has one more rainy day. The sun shines 7 hours longer a day in July.
| Month | October | July |
|---|---|---|
| Holiday weather score | 10 | 39better |
| Daytime high | 5° | 21° |
| Night-time low | −1° | 11° |
| Sea | 8.0° | 15.7° |
| Sunshine | 2.4 h | 9.2 hbetter |
| Rainy days | 11better | 12 |
| Rainfall | 62 mmbetter | 72 mm |
| Muggy days | 0better | 1 |
Based on the climate averages 1996–2025.
Kemi month by month
The typical weather for every month at a glance.
12January−5° · Sea 0° · 0.4 h
In January, Kemi is bitterly cold: daytime highs average −6 °C, and nights often drop below freezing (−14 °C). The sea averages −0.1 °C – swimming is only for the hardy. The sun is scarce, with only about 0.4 hours a day. Precipitation falls on about 10 days, totalling 47 mm; on about 9 of them it snows. All in all, January is not an ideal month for a holiday in Kemi.
Kemi in January12February−5° · Sea 0° · 2.2 h
In February, Kemi is bitterly cold: daytime highs average −6 °C, and nights often drop below freezing (−14 °C). The sea averages −0.3 °C – swimming is only for the hardy. The sun is scarce, with only about 2.2 hours a day. Precipitation falls on about 10 days, totalling 42 mm; on about 9 of them it snows. All in all, February is not an ideal month for a holiday in Kemi.
Kemi in February20March−1° · Sea 0° · 4.8 h
In March, Kemi is bitterly cold: daytime highs average −1 °C, and nights often drop below freezing (−10 °C). The sea averages −0.2 °C – swimming is only for the hardy. Expect around 4.8 hours of sunshine a day. Precipitation falls on about 8 days, totalling 35 mm; on about 7 of them it snows. All in all, March is not an ideal month for a holiday in Kemi.
Kemi in March28April5° · Sea 0° · 6.9 h
In April, Kemi is cold: daytime highs average 5 °C, and nights often drop below freezing (−4 °C). The sea averages 0.1 °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. Snow falls on about 4 days. All in all, April is not an ideal month for a holiday in Kemi.
Kemi in April31May12° · Sea 3° · 8.5 h
In May, Kemi is cool: daytime highs average 12 °C, and nights cool down to about 2 °C. The sea averages 2.8 °C – swimming is only for the hardy. The sun shines for around 8.5 hours a day. Rain is frequent, with about 9 rainy days and 45 mm in total. All in all, May is not an ideal month for a holiday in Kemi.
Kemi in May31June17° · Sea 11° · 9.8 h
In June, Kemi is mild: daytime highs average 17 °C, and nights cool down to about 8 °C. The sea averages 10.5 °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 10 rainy days and 60 mm in total. All in all, June is not an ideal month for a holiday in Kemi.
Kemi in June39July21° · Sea 16° · 9.2 h
In July, Kemi is mild: daytime highs average 21 °C, and nights cool down to about 11 °C. The sea averages 15.7 °C – swimming is only for the hardy. With around 9.2 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 12 rainy days and 72 mm in total. All in all, July is not an ideal month for a holiday in Kemi – and yet one of the best months here.
Kemi in July22August18° · Sea 16° · 7.0 h
In August, Kemi is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. The sea averages 16.1 °C – swimming is only for the hardy. The sun shines for around 7.0 hours a day. Rain is frequent, with about 12 rainy days and 78 mm in total. All in all, August is not an ideal month for a holiday in Kemi.
Kemi in August16September13° · Sea 13° · 4.4 h
In September, Kemi is cool: daytime highs average 13 °C, and nights cool down to about 5 °C. The sea averages 12.7 °C – swimming is only for the hardy. Expect around 4.4 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 65 mm in total. All in all, September is not an ideal month for a holiday in Kemi.
Kemi in September10October5° · Sea 8° · 2.4 h
In October, Kemi is cold: daytime highs average 5 °C, and nights often drop below freezing (−1 °C). The sea averages 8.0 °C – swimming is only for the hardy. The sun is scarce, with only about 2.4 hours a day. Rain is frequent, with about 11 rainy days and 62 mm in total. Snow falls on about 2 days. All in all, October is not an ideal month for a holiday in Kemi.
Kemi in October9November1° · Sea 4° · 0.7 h
In November, Kemi is bitterly cold: daytime highs average 1 °C, and nights often drop below freezing (−5 °C). The sea averages 3.8 °C – swimming is only for the hardy. The sun is scarce, with only about 0.7 hours a day. Precipitation falls on about 12 days, totalling 58 mm; on about 7 of them it snows. All in all, November is not an ideal month for a holiday in Kemi.
Kemi in November9December−3° · Sea 1° · 0.0 h
In December, Kemi is bitterly cold: daytime highs average −3 °C, and nights often drop below freezing (−10 °C). The sea averages 1.1 °C – swimming is only for the hardy. There is practically no direct sunshine: the sun barely rises above the horizon. Precipitation falls on about 12 days, totalling 54 mm; on about 9 of them it snows. All in all, December is not an ideal month for a holiday in Kemi.
Kemi in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Kemi
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°
FrostOctober: nights around −1°. Heating and warm bedding are a must.
The coolest nights are in February (−14°), the warmest in July (11°). Nights fall below 8 °C on average from September 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 | 12 | −6° | −14° | −0.1° | 0.4 h | 10 | 47 |
| FebruaryFeb | 12 | −6° | −14° | −0.3° | 2.2 h | 10 | 42 |
| MarchMar | 20 | −1° | −10° | −0.2° | 4.8 h | 8 | 35 |
| AprilApr | 28 | 5° | −4° | 0.1° | 6.9 h | 8 | 35 |
| MayMay | 31 | 12° | 2° | 2.8° | 8.5 h | 9 | 45 |
| JuneJun | 31 | 17° | 8° | 10.5° | 9.8 h | 10 | 60 |
| JulyJul | 39 | 21° | 11° | 15.7° | 9.2 h | 12 | 72 |
| AugustAug | 22 | 18° | 9° | 16.1° | 7.0 h | 12 | 78 |
| SeptemberSep | 16 | 13° | 5° | 12.7° | 4.4 h | 10 | 65 |
| OctoberOct | 10 | 5° | −1° | 8.0° | 2.4 h | 11 | 62 |
| NovemberNov | 9 | 1° | −5° | 3.8° | 0.7 h | 12 | 58 |
| DecemberDec | 9 | −3° | −10° | 1.1° | 0.0 h | 12 | 54 |
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
65.74° N, 24.56° E · 16 m · Europe/Helsinki
Sea temperature in Kemi
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 6.9 – 9.0 °C
Swimming season: Always below 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Kemi ranges from −0.3 °C in February to 16.1 °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 March 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 14.2 and 17.8 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | −0.1° | −0.5° | 0.3° | cold |
| FebruaryFeb | −0.3° | −0.9° | 0.2° | cold |
| MarchMar | −0.2° | −0.7° | 0.1° | cold |
| AprilApr | 0.1° | −0.2° | 0.7° | cold |
| MayMay | 2.8° | 1.1° | 4.0° | cold |
| JuneJun | 10.5° | 7.6° | 13.5° | cold |
| JulyJul | 15.7° | 13.4° | 18.2° | cold |
| AugustAug | 16.1° | 14.2° | 17.8° | cold |
| SeptemberSep | 12.7° | 10.9° | 14.0° | cold |
| OctoberOct | 8.0° | 6.9° | 9.0° | cold |
| NovemberNov | 3.8° | 2.0° | 5.3° | cold |
| DecemberDec | 1.1° | 0.1° | 2.5° | cold |
Sunshine hours in Kemi
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 2.4 of 9.8 hours of daylight in Kemi, 24 % 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 Kemi: 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, Kemi has about 11 rainy days with 62 mm of rain in total.
UV index in Kemi
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 0 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 4).
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 Kemi
How breezy and how cloudy Kemi 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 Kemi typically peaks at 19 km/h during the day: Beaufort 3, gentle 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 75 % of the sky over Kemi: mostly cloudy, with about 2.4 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 Kemi
When Kemi 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, Kemi has about 2 days with at least 1 cm of fresh snow, 8 cm in total. The chance of seeing snow during a week's stay is 25 out of 100: possible.
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 Kemi
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Kemi 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.
Kemi has its best school-holiday weather during May half-term (score 31) and its weakest during October half-term (score 10).
- 26
Easter holidays
Mar – Apr
Poor
- 3 °C by day
- Sea 0 °C
- 6.3 h of sun a day
- 8 rainy days a month
Keep in mind: Snow
- 31
May half-term
May – Jun
PoorBest holidays
- 13 °C by day
- Sea 4 °C
- 8.8 h of sun a day
- 9 rainy days a month
- 28
Summer holidays
Jul – Aug
Poor
- 19 °C by day
- Sea 16 °C
- 7.8 h of sun a day
- 12 rainy days a month
Good for: Sightseeing & walks
- 10
October half-term
Oct
Poor
- 5 °C by day
- Sea 8 °C
- 2.4 h of sun a day
- 11 rainy days a month
Keep in mind: Snow
- 11
Christmas holidays
Dec – Jan
Poor
- −4 °C by day
- Sea 1 °C
- 0.2 h of sun a day
- 11 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 3 h 5 min
- Distance
- 2,120 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.
Compare & alternatives
Kemi compared
Put Kemi side by side with another destination.
Kemi vs Haparanda
In October the holiday weather in Kemi and Haparanda is about equally good (score 10 vs 11). During the day Haparanda is 1 °C warmer than Kemi. The sea is about equally warm.
| in October | Kemi | Haparanda |
|---|---|---|
| Holiday weather score | 10 | 11 |
| Daytime high | 5° | 6° |
| Sea | 8° | 8° |
| Sunshine | 2 h | 2 h |
| Rainy days | 11 | 10 |
| Best time | Jul | Jun – Aug |
Through the year
Finland in October: the best places
In October, Kemi ranks 23 among the 31 nearest destinations in this country.
- Turku9°11°21
- 2Espoo9°11°21
- 3Vantaa9°19
- 4Rovaniemi4°16
- 5Kokkola7°9°16
- 6Seinäjoki7°16
- 7Oulu6°8°15
- 8Kittilä3°15
- 23KemiThis page5°8°10
Near Kemi
Other destinations close by.
Places with a climate like Kemi
Destinations whose weather through the year is closest to Kemi's – good alternatives.
Frequently asked questions about Kemi
When is the best time to visit Kemi?
The best time to visit Kemi 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 Kemi?
The sea temperature in Kemi ranges from −0.3 °C in February to 16.1 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Kemi in October?
Only if you don't mind cold water: in October the sea averages just 8.0 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Kemi?
July is the warmest month, with average highs of 21 °C and nights around 11 °C. January is the coolest month at −6 °C.
When does it rain most in Kemi?
The wettest month is August with 78 mm of precipitation. The driest month is April with 35 mm.
How many hours of sunshine does Kemi get?
Kemi gets around 1,720 hours of sunshine a year. The sunniest month is June with 9.8 hours a day; in December there is practically no direct sun.
What time zone is Kemi in?
Kemi is on UTC+2 in January and UTC+3 in July.
How long is the flight from London to Kemi?
A nonstop flight from London to Kemi takes about 3 h 5 min, for a straight-line distance of about 2,120 km.
Which school holidays are best for Kemi?
Kemi has its best school-holiday weather during May half-term (score 31) and its weakest during October half-term (score 10). Holiday ratings (0–100): Easter holidays 26, May half-term 31, summer holidays 28, October half-term 10, Christmas holidays 11.