Oulu in Spring
In spring (March, April and May), Oulu sees average daytime highs around 5°C and overnight lows near -2°C, with 108 mm of precipitation over about 25 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about -3°C in early March to 15°C by late May. The sky is clear or mostly clear about 26% of the time across spring, and the air most often feels dry.
Spring is Oulu's 3rd-best season to visit on our travel score. For the whole year in context, see Oulu's year-round climate.
- Avg daytime high
- 5°C
- 3rd-warmest season
- Avg overnight low
- -2°C
- Precipitation
- 108 mm
- 25 wet days
- Avg wind
- 12 km/h
- Travel score
- 1.2
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Oulu in Spring
Over the season highs climb from about -3°C in early March to 15°C by late May.
A typical spring day in Oulu reaches about 5°C and drops to -2°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Oulu
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 75 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Oulu weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -6° / -11° | 35 | 8.8 | 9.8 | 4.5 | 0.0 |
| Feb | -6° / -12° | 29 | 8 | 8.6 | 7.7 | 0.0 |
| Mar | -1° / -8° | 30 | 7.7 | 8.1 | 11.2 | 0.0 |
| Apr | 5° / -3° | 30 | 7.4 | 3.8 | 14.7 | 0.5 |
| May | 12° / 3° | 48 | 10 | 0.7 | 18.2 | 3.2 |
| Jun | 17° / 9° | 56 | 10 | 0 | 20.8 | 5.4 |
| Jul | 20° / 12° | 78 | 12.2 | 0 | 19.6 | 6.0 |
| Aug | 18° / 10° | 71 | 12 | 0 | 16.3 | 5.5 |
| Sep | 13° / 6° | 56 | 10.4 | 0 | 12.7 | 3.4 |
| Oct | 5° / 1° | 50 | 10.3 | 2.6 | 9.2 | 0.5 |
| Nov | 0° / -4° | 48 | 10.6 | 7 | 5.7 | 0.0 |
| Dec | -3° / -8° | 44 | 10.8 | 9.8 | 3.2 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 26% of the time across spring.
Chance of precipitation in Spring
Oulu gets around 108 mm of rain and snow over 25 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 12 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 9 h 24 min in early March to 19 h 48 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 3.6 kWh/m².
Is spring a good time to visit Oulu?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Oulu.
What to pack for Oulu in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Oulu sees daytime highs around 5°C and nights near -2°C. Pack a warm layer and a heavy coat. Worth having: rain gear and sun protection. About 25 days see rain.
Sea temperature near Oulu in Spring
The nearest coast averages about 1°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 13 km away) is warmest in August at about 16°C and coldest in February near -0°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 0 | 0 | 0 | 0 | 3 | 10 | 15 | 16 | 12 | 8 | 4 | 1 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 0 | Bracing |
| Feb | 0 | Bracing |
| Mar | 0 | Bracing |
| Apr | 0 | Bracing |
| May | 3 | Bracing |
| Jun | 10 | Bracing |
| Jul | 15 | Bracing |
| Aug | 16 | Cool |
| Sep | 12 | Bracing |
| Oct | 8 | Bracing |
| Nov | 4 | Bracing |
| Dec | 1 | Bracing |
UV index in Oulu in Spring
Clear-sky midday UV across spring averages around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Oulu peaks around July 15 at about 4 (moderate) — a little sun protection helps at midday. It bottoms out near December 17 at about 0 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 0 | 0 | 1 | 2 | 4 | 4 | 5 | 3 | 2 | 1 | 0 | 0 |
| Level | Low | Low | Low | Moderate | Moderate | Moderate | Moderate | Moderate | Low | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 0 | Low |
| Feb | 0 | Low |
| Mar | 1 | Low |
| Apr | 2 | Moderate |
| May | 4 | Moderate |
| Jun | 4 | Moderate |
| Jul | 5 | Moderate |
| Aug | 3 | Moderate |
| Sep | 2 | Low |
| Oct | 1 | Low |
| Nov | 0 | Low |
| Dec | 0 | Low |
Where is Oulu?
Oulu sits at 65.0°N, 25.5°E, 15 m above sea level, in Finland. The nearest listed city is Haukipudas, 19 km away.
Topography around Oulu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Oulu.
Within 3 km, the terrain around Oulu has only modest variations in elevation — a maximum elevation change of 38 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 75 m; within 80 km, only modest variations in elevation — a maximum elevation change of 199 m.
The land around Oulu is covered by trees (40%) and artificial surfaces (38%) within 3 km, trees (52%) and water (28%) within 16 km, and trees (59%) and water (24%) within 80 km.
Finland travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 85% of US
- price level, 2025
- GDP per capita
- $56,149
- 2025
- Happiness
- 7.8 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1
- per 100k, 2023
- Road deaths
- 3.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very high
- EF EPI 603
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Oulu (65.0124°, 25.4682°, elevation 15 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.