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Oslo in October: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Oslo in October will be like? Take a look at our weather guide for Oslo, based on historical data.
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October

Weather in Oslo in October 2025

OK Weather
Cool
🌧️
Rainy
🌊
Cold water
If you plan to visit Oslo in October, the weather is typically alright, with an average high temperature of +10°C during the day and approximately 2 sunny days. Expect some rainy, though, as there are typically 15 rainy days in the month and around 114 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+10°C
Avg. max. temperature
-7°C
Min.
+19°C
Max.
114 mm
Total precipitation
79%
Avg. humidity
2 m/s
Avg. wind
2 ☀️
Sunny Days
12 ⛅️
Cloudy
15 🌦
Rainy
Our opinion: Oslo has OK weather in October.
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Average temperature in Oslo in October

Here are the expected maximum, average and minimum temperatures in Oslo for October based on the historical data.
Last Year
Historical Data

Going from a maximum of +17°C during the day to a minimum of -1°C during the night, the temperature in October averages around +9°C.

The average maximum temperature goes down 83% by the end of the month, compared with the beginning of the month, from +16°C to +1°C.

Is Oslo warm or cold in October?

Oslo is typically cool in October.

Maximum temperatures go down compared to the previous month from +16°C to +10°C. The minimum temperature also goes down from +9°C to +4°C.

Pack a sweater and a jacket as there will be cooler temperatures.

Take a look at how October is compared to other months in Oslo:

Water temperature in Oslo in October

Water in Oslo in October is Cold. It varies from +9°C to +15°C, with an average of +12°C. Note that the air temperature is lower than the water temperature, averaging around +10°C.

In October, water temperatures are average relative to the rest of the year:

The warmest water temperatures in Oslo are reached in August, when the average sea temperature rises to +18°C. The coldest water temperatures are in March, with an average of +3°C.

Can you swim in Oslo in October?

We would not recommend swimming in Oslo in October, the water is very cold (+12°C on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +16°C
🏄‍♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.

Climate in Oslo in October

Oslo weather looks like this, on average, in October and the surrounding months.
SeptemberOctoberNovember
Avg. temperature
+16°C+10°C+4°C
Min. temperature
-1°C-7°C-15°C
Max. temperature
+26°C+19°C+15°C
Rainfall
94 mm114 mm70 mm
Wind
2 m/s2 m/s2 m/s
Avg. water temperature
+15°C+12°C+9°C
Humidity
75%79%83%
Air pressure
1011 HPa1010 HPa1009 HPa
Sunny days
322
Cloudy days
111212
Rainy days
15159
Snowy days
017

October weather is still as ok as in September. It’s getting colder in October. From +16°C in the day, the average maximum temperature lowers to +10°C. Prepare for more rain. Average rainfall goes from 94 mm to 114 mm. Humidity rises from 75% to 79%. The average wind speed doesn’t change much during October, staying around 2 m/s. The days becoming less sunny, going from 3 sunny days in September to 2 in October.

November brings much the same weather, it remains ok.

Wind

Wind speed in Oslo in October based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Oslo is gradually increasing during October, going from 1 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during October in Oslo based on historical data.
Last Year
Historical Data
Typically, there is a 16% chance of rain on an average day in October, with total rainfall of approximately 29 mm. The maximum amount of rainfall per day is around 13 mm, which is considered light rain. On average, there are about 5 rainy days during October, so prepare to bring an umbrella.
October is one of the rainiest months in Oslo, here is a comparison with other months, total mm:
Oslo wettest month is October, where a typical day has a 48% chance of precipitation and 114 mm of rainfall per day. March, on the other hand, is the driest month with a mere 13% chance of precipitation and 26 mm of rainfall per day.

Snow

Amount of snow in mm during October in Oslo based on historical data.
Last Year
Historical Data
Typically, there is a 6% chance of snow on an average day in October, with a total monthly snowfall of approximately 15 mm.

Here’s how October is compared with other months in the amount of snow, total mm:

How was the weather last October in Oslo?

This is the weather in Oslo in October 2023:
1 October
☀️
+16°C
2 October
☁️
+17°C
3 October
☁️
+15°C
4 October
☀️
+16°C
5 October
☁️
+14°C
6 October
🌧️
+15°C
7 October
☀️
+11°C
8 October
☀️
+11°C
9 October
☁️
+9°C
10 October
☁️
+14°C
11 October
☀️
+15°C
12 October
☀️
+13°C
13 October
☁️
+10°C
14 October
☁️
+11°C
15 October
☁️
+11°C
16 October
☁️
+9°C
17 October
☁️
+13°C
18 October
☁️
+9°C
19 October
☁️
+5°C
20 October
☁️
+5°C
21 October
🌧️
+4°C
22 October
🌧️
+5°C
23 October
☁️
+7°C
24 October
☁️
+7°C
25 October
☁️
+4°C
26 October
☁️
+4°C
27 October
☁️
+3°C
28 October
☁️
+2°C
29 October
☁️
+2°C
30 October
🌨️
+1°C
31 October
🌨️
+1°C
In October 2023 Oslo had 6 sunny days, 20 cloudy days, and 3 rainy days. The average maximum temperature was +9°C, with an absolute maximum of +17°C and a minimum of +1°C. The average humidity was 78%, with a maximum of 100% and a minimum of 45%. The average wind speed was 3 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in October?

Climate Change over Years

This is how Oslo climate have been changing during last 43 years period.

The climate in Oslo in October has not changed much over the last 43 years.

The average temperature was the lowest in 1985 (+8°C) and the highest in 2020 (+12°C). The driest year was 1981 with only 527 mm of rainfall, and the wettest year was 2020 with 2467 mm.

FAQ

Frequently asked questions about the weather in Oslo in October:

Is October a good time to visit Oslo?

It’s always a good time to visit Oslo, but the weather is changeable in October, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Oslo in October?

Not really, October is not the best time to sunbathe, unless you visit a local solarium.

Can you swim in Oslo in October?

Swimming in Oslo in October is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.

Is Oslo rainy in October?

Oslo is often rainy in October. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Oslo in October?

Usually, it’s not very sunny in Oslo in October, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Norway

Check out the weather for other cities in Norway.

Monthly weather in Oslo

Source of the data

For this page, we’ve looked at the typical weather in Oslo, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.