Kilpisjärvi - Morning Frost - Finnish Lapland
Frost crystals on calm, cold mornings near sunrise
No Morning Frost opportunities in the next 14 days
Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.
Currently
Real-time conditionsUpcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
No opportunities in the next 10 days
See the blocker timeline below to understand which conditions are preventing matches.
What this forecast looks for
Plain-language explanation from the ruleThis forecast tracks the extreme arctic frost conditions that make Finnish Lapland a winter photographer's paradise. We combine temperature, humidity, wind, and snow data to predict when the region's legendary frost phenomena will occur.
Finnish Lapland experiences frost conditions unlike anywhere else in accessible Europe. Temperatures routinely drop to -30°C or colder from December through February, creating frost phenomena that must be seen to be believed. The region's unique combination of humid air from the Atlantic meeting extreme cold creates the spectacular "tykkylumi" or crown snow phenomenon—where every tree branch becomes encased in thick layers of frost and snow.
What makes Finnish Lapland special for frost photography:
- Tykkylumi crown snow - Trees completely transformed into white sculptures by accumulated frost and snow
- Extreme cold tolerance - Consistent temperatures of -20°C to -40°C create reliable frost conditions
- Ice flowers - Lake Inari and smaller water bodies develop crystalline ice formations
- Frozen waterfalls - Waterfalls freeze into spectacular ice sculptures
Riisitunturi National Park near Kuusamo is world-famous for tykkylumi—every spruce tree on the fell tops becomes a ghostly white sentinel, transformed by weeks of accumulated frost. The phenomenon occurs when supercooled fog droplets freeze instantly on contact with trees, building up thick layers. Pallas-Yllästunturi offers similar conditions with the added drama of fell landscapes. At -30°C, even your breath creates instant frost crystals in the air, and any exposed water generates spectacular ice formations. The key is visiting during stable cold periods in midwinter—our forecast identifies when conditions favor crown snow accumulation and tracks visibility for photography.
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72-hour requirements breakdown
What passed or failed, hour by hourTime Europe/Helsinki | Time Window Sunrise -45m to +90m | Frost Probability ≥ 60.0% | Wind Speed ≤ 1.5m/s |
|---|---|---|---|
| Sun, May 24 | |||
| 07:00 | - | 19% | 0.91m/s |
| 08:00 | - | 19% | 0.82m/s |
| 09:00 | - | 19% | 1m/s |
| 10:00 | - | 2.1% | 1.7m/s |
| 11:00 | - | 20% | 2.3m/s |
| 12:00 | - | 20% | 2.6m/s |
| 13:00 | - | 20% | 2.2m/s |
| 14:00 | - | 17% | 1.7m/s |
| 15:00 | - | 19% | 1.1m/s |
| 16:00 | - | 19% | 0.96m/s |
| 17:00 | - | 19% | 0.93m/s |
| 18:00 | - | 15% | 1.4m/s |
| 19:00 | - | 13% | 1.9m/s |
| 20:00 | - | 15% | 1.5m/s |
| 21:00 | - | 15% | 1.6m/s |
| 22:00 | - | 15% | 1.3m/s |
| 23:00 | - | 15% | 1.1m/s |
| Mon, May 25 | |||
| 24:00 | - | 15% | 0.81m/s |
| 01:00 | - | 17% | 0.5m/s |
| 02:00 | - | 19% | 0.49m/s |
| 03:00 | - | 17% | 0.92m/s |
| 04:00 | - | 19% | 0.75m/s |
| 05:00 | - | 19% | 0.61m/s |
| 06:00 | - | 17% | 0.86m/s |
| 07:00 | - | 19% | 0.74m/s |
| 08:00 | - | 17% | 0.92m/s |
| 09:00 | - | 17% | 1.6m/s |
| 10:00 | - | 15% | 2m/s |
| 11:00 | - | 19% | 2.7m/s |
| 12:00 | - | 18% | 3.1m/s |
| 13:00 | - | 31% | 3.6m/s |
| 14:00 | - | 29% | 4.4m/s |
| 15:00 | - | 2.8% | 4.7m/s |
| 16:00 | - | 2.8% | 4.2m/s |
| 17:00 | - | 3% | 3.9m/s |
| 18:00 | - | 2.5% | 3.5m/s |
| 19:00 | - | 2.7% | 2.2m/s |
| 20:00 | - | 2.9% | 1.5m/s |
| 21:00 | - | 2.1% | 1.6m/s |
| 22:00 | - | 19% | 1m/s |
| 23:00 | - | 21% | 0.5m/s |
| Tue, May 26 | |||
| 24:00 | - | 21% | 0.41m/s |
| 01:00 | - | 21% | 0.33m/s |
| 02:00 | - | 22% | 0.7m/s |
| 03:00 | - | 21% | 1m/s |
| 04:00 | - | 21% | 1.6m/s |
| 05:00 | - | 19% | 1.9m/s |
| 06:00 | - | 19% | 2.2m/s |
| 07:00 | - | 22% | 2.8m/s |
| 08:00 | - | 28% | 3.3m/s |
| 09:00 | - | 33% | 3.7m/s |
| 10:00 | - | 35% | 3.9m/s |
| 11:00 | - | 35% | 3.9m/s |
| 12:00 | - | 35% | 4.1m/s |
| 13:00 | - | 3.4% | 4.1m/s |
| 14:00 | - | 3.4% | 3.7m/s |
| 15:00 | - | 3.4% | 3.4m/s |
| 16:00 | - | 3.4% | 3.1m/s |
| 17:00 | - | 3.3% | 2.8m/s |
| 18:00 | - | 3.5% | 2.5m/s |
| 19:00 | - | 0% | 2m/s |
| 20:00 | - | 0% | 1.6m/s |
| 21:00 | - | 0% | 1.4m/s |
| 22:00 | - | 3.7% | 1.4m/s |
| 23:00 | - | 39% | 1.4m/s |
| Wed, May 27 | |||
| 24:00 | - | 41% | 1.4m/s |
| 01:00 | - | 35% | 2m/s |
| 02:00 | - | 35% | 2.6m/s |
| 03:00 | - | 31% | 3.2m/s |
| 04:00 | - | 31% | 3.5m/s |
| 05:00 | - | 31% | 3.7m/s |
| 06:00 | - | 3% | 4m/s |
| 07:00 | - | 3% | 4.2m/s |
| 08:00 | - | 2.9% | 4.4m/s |
| 09:00 | - | 0% | 4.6m/s |
| 10:00 | - | 0% | 4.7m/s |
| 11:00 | - | 0% | 4.8m/s |
| 12:00 | - | 0% | 4.9m/s |
| 13:00 | - | 0% | 4.6m/s |
| 14:00 | - | 0% | 4.2m/s |
What does Frost Probability mean?
Inputs that drive the scoreThis derived score summarizes multiple raw weather signals. The table below shows the supporting inputs hour by hour, so you can see what's pushing the score up or down.
| Time Europe/Helsinki | Dew Point °C | Surface Temperature °C | Temperature °C | Time Window | Total Cloud Coverage % | Vapor Pressure Deficit kPa |
|---|---|---|---|---|---|---|
| Sun, May 24 | ||||||
| 16:00 | 4.3°C | 5.6°C | 5.6°C | - | 100% | 0.08kPa |
| 17:00 | 4.4°C | 5.4°C | 5.4°C | - | 100% | 0.06kPa |
| 18:00 | 4.5°C | 5.3°C | 5.4°C | - | 100% | 0.05kPa |
| 19:00 | 4.5°C | 5.1°C | 5.3°C | - | 100% | 0.05kPa |
| 20:00 | 4.4°C | 5°C | 5.2°C | - | 100% | 0.05kPa |
| 21:00 | 4.4°C | 4.9°C | 5°C | - | 100% | 0.03kPa |
| 22:00 | 4.3°C | 4.7°C | 4.8°C | - | 100% | 0.03kPa |
| 23:00 | 4.1°C | 4.5°C | 4.6°C | - | 100% | 0.03kPa |
| Mon, May 25 | ||||||
| 24:00 | 3.9°C | 4.4°C | 4.5°C | - | 100% | 0.03kPa |
| 01:00 | 3.7°C | 4.2°C | 4.3°C | - | 100% | 0.03kPa |
| 02:00 | 3.6°C | 4°C | 4.2°C | - | 100% | 0.03kPa |
| 03:00 | 3.5°C | 3.9°C | 4.1°C | - | 100% | 0.03kPa |
| 04:00 | 3.4°C | 3.7°C | 4°C | - | 100% | 0.03kPa |
| 05:00 | 3.1°C | 3.6°C | 3.8°C | - | 100% | 0.04kPa |
| 06:00 | 3.1°C | 3.5°C | 3.7°C | - | 100% | 0.04kPa |
| 07:00 | 3.1°C | 3.5°C | 3.8°C | - | 100% | 0.04kPa |
| 08:00 | 3.1°C | 3.5°C | 3.9°C | - | 100% | 0.04kPa |
| 09:00 | 3.1°C | 3.5°C | 3.9°C | - | 100% | 0.04kPa |
| 10:00 | 3.1°C | 3.6°C | 3.8°C | - | 100% | 0.04kPa |
| 11:00 | 2.8°C | 3.9°C | 4°C | - | 100% | 0.06kPa |
| 12:00 | 1.9°C | 4.4°C | 4.7°C | - | 100% | 0.15kPa |
| 13:00 | 1.4°C | 5.3°C | 5.2°C | - | 100% | 0.21kPa |
| 14:00 | 1°C | 5.9°C | 5.1°C | - | 100% | 0.22kPa |
| 15:00 | 0.5°C | 6.2°C | 4.8°C | - | 100% | 0.22kPa |
| 16:00 | -0.2°C | 6.5°C | 4.5°C | - | 100% | 0.24kPa |
| 17:00 | -0.1°C | 6.6°C | 4.2°C | - | 100% | 0.22kPa |
| 18:00 | 0.2°C | 6.5°C | 4°C | - | 100% | 0.19kPa |
| 19:00 | 0.3°C | 6.4°C | 3.7°C | - | 100% | 0.17kPa |
| 20:00 | 0.5°C | 6.3°C | 3.6°C | - | 100% | 0.16kPa |
| 21:00 | 1.1°C | 6.1°C | 3.5°C | - | 100% | 0.13kPa |
| 22:00 | 1.5°C | 5.9°C | 3.2°C | - | 100% | 0.09kPa |
| 23:00 | 1.5°C | 5.6°C | 3°C | - | 100% | 0.08kPa |
| Tue, May 26 | ||||||
| 24:00 | 1.3°C | 5.2°C | 2.8°C | - | 100% | 0.08kPa |
| 01:00 | 1.1°C | 4.8°C | 2.5°C | - | 96% | 0.07kPa |
| 02:00 | 0.8°C | 4.2°C | 2.3°C | - | 77% | 0.07kPa |
| 03:00 | 0.2°C | 3.9°C | 1.9°C | - | 87% | 0.08kPa |
| 04:00 | 0.1°C | 3.7°C | 2°C | - | 98% | 0.09kPa |
| 05:00 | 0.2°C | 3.4°C | 1.9°C | - | 100% | 0.08kPa |
| 06:00 | -0.2°C | 3.3°C | 2.1°C | - | 100% | 0.1kPa |
| 07:00 | -0.5°C | 3.3°C | 2.4°C | - | 94% | 0.14kPa |
| 08:00 | -1.1°C | 3.6°C | 3°C | - | 86% | 0.19kPa |
| 09:00 | -1.8°C | 4°C | 3.5°C | - | 94% | 0.25kPa |
| 10:00 | -2.1°C | 4.4°C | 3.9°C | - | 98% | 0.28kPa |
| 11:00 | -2.1°C | 5.1°C | 4.7°C | - | 84% | 0.33kPa |
| 12:00 | -2.1°C | 6°C | 5.5°C | - | 100% | 0.38kPa |
| 13:00 | -2°C | 6.3°C | 5.5°C | - | 100% | 0.37kPa |
| 14:00 | -1.8°C | 6.4°C | 5.3°C | - | 100% | 0.36kPa |
| 15:00 | -1.5°C | 6.6°C | 5.6°C | - | 100% | 0.36kPa |
| 16:00 | -1.5°C | 7°C | 5.9°C | - | 89% | 0.38kPa |
| 17:00 | -1.7°C | 7.6°C | 6.2°C | - | 64% | 0.41kPa |
| 18:00 | -2°C | 8°C | 6.5°C | - | 70% | 0.44kPa |
| 19:00 | -2.4°C | 8.3°C | 6.6°C | - | 71% | 0.46kPa |
| 20:00 | -2.8°C | 8.4°C | 6.6°C | - | 52% | 0.48kPa |
| 21:00 | -2.9°C | 8.2°C | 6.6°C | - | 64% | 0.48kPa |
| 22:00 | -2.7°C | 6.5°C | 5.5°C | - | 72% | 0.41kPa |
| 23:00 | -2.7°C | 4.8°C | 4.4°C | - | 80% | 0.34kPa |
| Wed, May 27 | ||||||
| 24:00 | -2.7°C | 3.2°C | 3.4°C | - | 89% | 0.28kPa |
| 01:00 | -1.8°C | 3.5°C | 3.9°C | - | 92% | 0.27kPa |
| 02:00 | -0.8°C | 3.9°C | 4.4°C | - | 96% | 0.26kPa |
| 03:00 | 0.1°C | 4.3°C | 4.9°C | - | 100% | 0.25kPa |
| 04:00 | 0.2°C | 4.9°C | 5°C | - | 99% | 0.25kPa |
| 05:00 | 0.4°C | 5.5°C | 5.1°C | - | 99% | 0.25kPa |
| 06:00 | 0.5°C | 6.1°C | 5.1°C | - | 98% | 0.25kPa |
| 07:00 | 0.4°C | 6.8°C | 5.5°C | - | 82% | 0.27kPa |
| 08:00 | 0.3°C | 7.5°C | 5.9°C | - | 67% | 0.3kPa |
| 09:00 | 0.2°C | 8.3°C | 6.2°C | - | 51% | 0.33kPa |
| 10:00 | -0.1°C | 8.8°C | 6.4°C | - | 62% | 0.35kPa |
| 11:00 | -0.4°C | 9.3°C | 6.6°C | - | 74% | 0.38kPa |
| 12:00 | -0.6°C | 9.9°C | 6.7°C | - | 86% | 0.4kPa |
| 13:00 | 0.4°C | 9.4°C | 5.6°C | - | 81% | 0.28kPa |
| 14:00 | 1.1°C | 8.9°C | 4.5°C | - | 77% | 0.18kPa |
| 15:00 | 1.7°C | 8.5°C | 3.4°C | - | 73% | 0.09kPa |
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