The best times to visit Oulu for ideal weather are

June 4th to September 16th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Oulu Travel Info

Weather in Oulu


Average temperatures in Oulu vary drastically. Considering humidity, temperatures feel cold for most of the year with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 46th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Oulu, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 71.4°F (21.9°C) with temperatures rarely dropping below 59°F (15°C) at night.

Oulu Temperatures (Fahrenheit)


Oulu Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Oulu Perceived Temperature (F)


Oulu Perceived Temperature (C)



Average Oulu Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 21.8 16.3 10
Feb 23.8 18.2 11.5
Mar 30.5 23.7 16
Apr 39.4 33.6 28.2
May 53.6 47 41.5
Jun 61.4 55.7 50.6
Jul 68.3 62.3 57.1
Aug 65 59.4 53.8
Sep 56.3 51.6 46.8
Oct 43.6 39.6 35.7
Nov 35.9 32.4 28.8
Dec 26.8 22.5 17.5

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -5.7 -8.7 -12.2
Feb -4.6 -7.7 -11.4
Mar -0.8 -4.6 -8.9
Apr 4.1 0.9 -2.1
May 12 8.3 5.3
Jun 16.3 13.2 10.3
Jul 20.2 16.8 13.9
Aug 18.3 15.2 12.1
Sep 13.5 10.9 8.2
Oct 6.4 4.2 2.1
Nov 2.2 0.2 -1.8
Dec -2.9 -5.3 -8.1



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Oulu are January, May, and then November. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid July with an average of 1 days of significant precipitation the week of July 16th.

When can you find snow in Oulu? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Oulu.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Oulu (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 0% 0 0.1
Feb 6% 0 0.5
Mar 2% 0 0.2
Apr 2% 0 0.2
May 0% 0 0.1
Jun 5% 0 0.6
Jul 8% 0 0.6
Aug 4% 0 0.4
Sep 2% 0 0.2
Oct 1% 0 0.1
Nov 0% 0 0
Dec 0% 0 0

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 0 0 0.3
Feb 6 0 1.3
Mar 2 0 0.5
Apr 2 0 0.5
May 0 0 0.3
Jun 5 0 1.5
Jul 8 0 1.5
Aug 4 0 1
Sep 2 0 0.5
Oct 1 0 0.3
Nov 0 0 0
Dec 0 0 0


Humidity and Wind

Oulu has some extremely humid months, and above average humidity throughout the year. The least humid month is May (65.6% relative humidity), and the most humid month is November (88.6%).

Wind in Oulu is usually moderate. The windiest month is October, followed by November and September. October’s average wind speed of around 11.1 knots (12.8 MPH or 20.6 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late September where average top sustained speeds reach 18.6 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Oulu.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 8.9 Gentle breeze 13.2 Significant breeze
Feb 9.7 Gentle breeze 14.6 Significant breeze
Mar 9.7 Gentle breeze 15.4 Significant breeze
Apr 8.9 Gentle breeze 14.2 Significant breeze
May 9.7 Gentle breeze 15.8 Significant breeze
Jun 9.8 Gentle breeze 15.7 Significant breeze
Jul 8.6 Gentle breeze 14.4 Significant breeze
Aug 8.4 Gentle breeze 13.3 Significant breeze
Sep 10.4 Gentle breeze 15.6 Significant breeze
Oct 11.1 Significant breeze 16.6 Significant breeze
Nov 10.5 Gentle breeze 15.5 Significant breeze
Dec 10.1 Gentle breeze 14.8 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 84.5%
Feb 82.7%
Mar 76.6%
Apr 75.9%
May 65.6%
Jun 67%
Jul 72.4%
Aug 74.4%
Sep 78.8%
Oct 83.6%
Nov 88.6%
Dec 86.2%


Is it Safe to Travel to Oulu?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Finland; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Oulu, Finland is July, followed by June and January. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Oulu in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 50.7 in December means 50.7% of the tourists vs. July.



Overall Oulu Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel very cold. Highs range from 60.3°F (15.7°C) and 29.5°F (-1.4°C) with far warmer temperatures in the later months. Rain is extremely rare with 0 to 1 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see the most precipitation with 1 to 2 days of precipitation per month. June – August is the busiest season for tourism in Oulu, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 59.7°F (15.4°C) and 32.3°F (0.2°C), which will feel chilly given the humidity and wind. It rains or snows a trivial amount: approximately 0 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in Oulu to be enjoyable for warm weather travelers. The average high during this season is between 30.4°F (-0.9°C) and 20.7°F (-6.3°C). On average, it rains or snows a very small amount: 0 to 2 times per month. These times of year are fairly slow with tourists.


Best Times to TravelFinland › Oulu, Finland