Rantsila, Finland experiences average highs of 7°C (45°F) and lows of 1°C (34°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Average highs have warmed by 1.3°C (2.3°F) across the available records.
Rantsila, Finland Weather & Climate 2026
Monthly climate averages for Rantsila, Finland. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Jun–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
3.5/10
Best: June, July, August
UV Index
2
Low
Temperature 7°C / 1°C
Feels Like 4°C / -3°C
Rainy Days 11
Rainfall 56 mm
Sunshine 7 h
Humidity 82%
Wind Speed 16 km/h
Dew Point 1°C
Snow Days 11 days
Frost Days 20 days
Hottest Month
21°C
July
Avg Low13°C
Rain14days
Coldest Month
-10°C
January
Avg High-5°C
Rain9days
Driest Month
8days
February
Avg High-4°C
Avg Low-9°C
Windiest Month
17 km/h
January (Gusts 35)
Worst Time to Visit
Consider avoiding January, February, November, December due to very cold temperatures.
Sun Position
Sunrise 02:39
Daylight 21.3h
Sunset 23:59
Live conditions—
Rantsila on the map · live conditions
Rantsila, Finland
- Continent
- Europe
- Country
- Finland
- City
- Rantsila
- Population
- 2K
- Coordinates
- 64.51°, 25.66°
Seasonal Breakdown
Spring
Mar–May
Avg High 6°C
Avg Low -2°C
Rain 9 days/mo
Summer
Jun–Aug
Avg High 19°C
Avg Low 12°C
Rain 14 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 6°C
Avg Low 2°C
Rain 11 days/mo
Winter
Dec–Feb
Avg High -4°C
Avg Low -9°C
Rain 9 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: -5°C / -10°C . Feb: -4°C / -9°C . Mar: 0°C / -7°C . Apr: 5°C / -3°C . May: 13°C / 4°C . Jun: 19°C / 10°C . Jul: 21°C / 13°C . Aug: 19°C / 12°C . Sep: 13°C / 8°C . Oct: 6°C / 2°C . Nov: 0°C / -3°C . Dec: -2°C / -6°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 34 mm. Feb: 35 mm. Mar: 30 mm. Apr: 41 mm. May: 47 mm. Jun: 71 mm. Jul: 95 mm. Aug: 94 mm. Sep: 72 mm. Oct: 64 mm. Nov: 48 mm. Dec: 45 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 87%. Feb: 87%. Mar: 82%. Apr: 76%. May: 68%. Jun: 69%. Jul: 75%. Aug: 80%. Sep: 85%. Oct: 91%. Nov: 92%. Dec: 90%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 17 km/h . Feb: 17 km/h . Mar: 17 km/h . Apr: 15 km/h . May: 16 km/h . Jun: 16 km/h . Jul: 13 km/h . Aug: 16 km/h . Sep: 16 km/h . Oct: 16 km/h . Nov: 16 km/h . Dec: 17 km/h .
Sunshine
Sunshine
Sunshine: Jan: 1h. Feb: 3h. Mar: 6h. Apr: 10h. May: 12h. Jun: 14h. Jul: 13h. Aug: 10h. Sep: 6h. Oct: 3h. Nov: 1h. Dec: 1h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 0. Feb: UV 1. Mar: UV 2. Apr: UV 3. May: UV 4. Jun: UV 5. Jul: UV 4. Aug: UV 4. Sep: UV 2. Oct: UV 1. Nov: UV 0. Dec: UV 0.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 17 days. Feb: 14 days. Mar: 13 days. Apr: 9 days. May: 2 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 4 days. Nov: 10 days. Dec: 18 days.
Climate Trends
Average highs have warmed by 1.3°C (2.3°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 24°C | Jul · 21°C |
| Coldest month | Jan 2025 · -9°C | Jan · -10°C |
| Wettest month | Sep 2025 · 104 mm | Jul · 95 mm |
| Windiest month | Jan 2025 · 18 km/h | Jan · 17 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Fair June best
Good July best
Excellent August best
Good September
Fair October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -5°C / -10°C | -10°C / -15°C | 9days (34 mm) Wet | 0.8h Poor | 87% Very Muggy | 0.2 Low | Poor | View Details |
| February | -4°C / -9°C | -9°C / -14°C | 8days (35 mm) Wet | 2.5h Poor | 87% Very Muggy | 0.8 Low | Poor | View Details |
| March | 0°C / -7°C | -5°C / -12°C | 8days (30 mm) Wet | 6.4h Fair | 82% Humid | 1.8 Low | Poor | View Details |
| April | 5°C / -3°C | 1°C / -7°C | 9days (41 mm) Wet | 9.7h Good | 76% Humid | 2.8 Moderate | Poor | View Details |
| May | 13°C / 4°C | 10°C / 0°C | 10days (47 mm) Wet | 12.3h Excellent | 68% Muggy | 4.3 Moderate | Fair | View Details |
| June best | 19°C / 10°C | 17°C / 8°C | 12days (71 mm) Wet | 14.1h Excellent | 69% Muggy | 4.7 Moderate | Good | View Details |
| July best | 21°C / 13°C | 20°C / 12°C | 14days (95 mm) Wet | 12.9h Excellent | 75% Muggy | 4.4 Moderate | Excellent | View Details |
| August best | 19°C / 12°C | 18°C / 10°C | 15days (94 mm) Wet | 10.3h Excellent | 80% Humid | 3.7 Moderate | Good | View Details |
| September | 13°C / 8°C | 11°C / 5°C | 11days (72 mm) Wet | 6.1h Fair | 85% Humid | 2.4 Moderate | Fair | View Details |
| October | 6°C / 2°C | 2°C / -2°C | 12days (64 mm) Wet | 2.9h Poor | 91% Very Muggy | 1 Low | Poor | View Details |
| November | 0°C / -3°C | -4°C / -7°C | 11days (48 mm) Wet | 0.8h Poor | 92% Very Muggy | 0.3 Low | Poor | View Details |
| December | -2°C / -6°C | -7°C / -11°C | 11days (45 mm) Wet | 0.5h Poor | 90% Very Muggy | 0.1 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Rantsila are June, July, August, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Rantsila, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Rantsila is July, with average daytime highs of 21°C (69°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Rantsila is January, with average overnight lows of -10°C (14°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Rantsila is July, averaging 95mm of precipitation across 14 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Rantsila runs through August, July, June, October, with the heaviest rainfall in August. Based on 10-year averages for Rantsila.
Rantsila receives approximately 79 sunshine hours per year. The sunniest month is June with around 14 hours. Based on climate data for Rantsila.
The least favorable months to visit Rantsila are January, February, November, December, primarily due to very cold temperatures. For the best conditions, consider June, July, August instead.
The annual average UV index in Rantsila is 2, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Rantsila is 82%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Yes, Rantsila receives snow. Months with snowfall average 11 snow days and 17 cm (7 in) of accumulation, with about 20 frost days during winter.
Average wind speeds in Rantsila are 16 km/h (10 mph). The windiest month is January with peak winds reaching 17 km/h (11 mph) (gusts up to 35 km/h / 22 mph).
Rantsila averages 2 clear-sky days per month with overall cloud cover around 72%. The clearest skies occur in May.
The annual average dew point in Rantsila is 1°C (34°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Rantsila has a Warm-Summer Continental climate, classified as Dfb under the Köppen system. Continental climates experience extreme temperature ranges — hot summers and cold, snowy winters.
The 'feels like' temperature in Rantsila ranges from -3°C (27°F) to 4°C (39°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Rantsila. It earns a climate score of 7/10 with Good.
For June in Rantsila, pack Warm evening layer, Umbrella, Waterproof jacket, Comfortable walking shoes. With average highs of 19°C (65°F) and 12 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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