Pori in Spring
In spring (March, April and May), Pori sees average daytime highs around 7°C and overnight lows near 1°C, with 106 mm of precipitation over about 24 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Over the season highs climb from about -0°C in early March to 14°C by late May. The sky is clear or mostly clear about 29% of the time across spring, and the air most often feels dry.
Spring is Pori's 3rd-best season to visit on our travel score. For the whole year in context, see Pori's year-round climate.
- Avg daytime high
- 7°C
- 3rd-warmest season
- Avg overnight low
- 1°C
- Precipitation
- 106 mm
- 24 wet days
- Avg wind
- 15 km/h
- Travel score
- 1.4
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Pori in Spring
Over the season highs climb from about -0°C in early March to 14°C by late May.
A typical spring day in Pori reaches about 7°C and drops to 1°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Pori
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 67 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Pori 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 | -1° / -5° | 43 | 10.2 | 8.5 | 6 | 0.0 |
| Feb | -2° / -6° | 34 | 8 | 7.6 | 8.4 | 0.0 |
| Mar | 2° / -4° | 33 | 8.3 | 6 | 11.3 | 0.0 |
| Apr | 7° / 1° | 33 | 8.2 | 2 | 14.3 | 0.8 |
| May | 12° / 5° | 39 | 7.8 | 0.2 | 17.1 | 3.3 |
| Jun | 16° / 10° | 60 | 10.3 | 0 | 18.9 | 5.0 |
| Jul | 20° / 13° | 74 | 11.7 | 0 | 18.1 | 6.0 |
| Aug | 19° / 13° | 74 | 12.2 | 0 | 15.6 | 5.7 |
| Sep | 14° / 9° | 62 | 10.2 | 0 | 12.6 | 4.1 |
| Oct | 8° / 4° | 65 | 11.5 | 0.9 | 9.6 | 1.3 |
| Nov | 4° / 1° | 56 | 11.1 | 3.7 | 6.8 | 0.0 |
| Dec | 1° / -3° | 53 | 11.5 | 6.8 | 5.1 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 29% of the time across spring.
Chance of precipitation in Spring
Pori gets around 106 mm of rain and snow over 24 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 15 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 9 h 48 min in early March to 18 h 18 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 3.9 kWh/m².
Is spring a good time to visit Pori?
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 Pori.
What to pack for Pori in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Pori sees daytime highs around 7°C and nights near 1°C. Pack a warm layer and a heavy coat. Worth having: rain gear and sun protection. About 24 days see rain.
Sea temperature near Pori in Spring
The nearest coast averages about 3°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 25 km away) is warmest in August at about 17°C and coldest in March near 1°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) | 2 | 1 | 1 | 2 | 5 | 10 | 15 | 17 | 14 | 10 | 7 | 4 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 2 | Bracing |
| Feb | 1 | Bracing |
| Mar | 1 | Bracing |
| Apr | 2 | Bracing |
| May | 5 | Bracing |
| Jun | 10 | Bracing |
| Jul | 15 | Cool |
| Aug | 17 | Cool |
| Sep | 14 | Bracing |
| Oct | 10 | Bracing |
| Nov | 7 | Bracing |
| Dec | 4 | Bracing |
UV index in Pori in Spring
Clear-sky midday UV across spring averages around 3. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Pori peaks around June 16 at about 5 (moderate) — a little sun protection helps at midday. It bottoms out near December 19 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 | 1 | 1 | 2 | 4 | 5 | 4 | 4 | 2 | 1 | 0 | 0 |
| Level | Low | Low | Low | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 0 | Low |
| Feb | 1 | Low |
| Mar | 1 | Low |
| Apr | 2 | Moderate |
| May | 4 | Moderate |
| Jun | 5 | Moderate |
| Jul | 4 | Moderate |
| Aug | 4 | Moderate |
| Sep | 2 | Moderate |
| Oct | 1 | Low |
| Nov | 0 | Low |
| Dec | 0 | Low |
Where is Pori?
Pori sits at 61.5°N, 21.8°E, 20 m above sea level, in Finland. The nearest listed city is Rauma, 42 km away.
Topography around Pori
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Pori.
Within 3 km, the terrain around Pori has only modest variations in elevation — a maximum elevation change of 35 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 74 m; within 80 km, significant variations in elevation — a maximum elevation change of 253 m.
The land around Pori is covered by trees (39%) and artificial surfaces (33%) within 3 km, trees (62%) within 16 km, and trees (61%) and water (25%) 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 Pori (61.4807°, 21.7852°, elevation 20 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.