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Rule Morning Frost

Kanazawa - Morning Frost - Japan

Kanazawa, Ishikawa, Japan

Frost crystals on calm, cold mornings near sunrise

No opportunities right now
Here’s what usually blocks matches

No Morning Frost opportunities in the next 14 days

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Rule requirements (key thresholds)
Time Window · Sunrise -45m to +90m Frost Probability · ≥ 60.0% Wind Speed · ≤ 1.5m/s

Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.

Most common blockers (next 72 hours)
Time Window 100% failing
Frost Probability 100% failing
Wind Speed 69% failing

Currently

Real-time conditions
Soil Temperature19.6°C
Dew Point16.5°C (high dew point)
Wind Speed1.4m/s (calm conditions)
Cloud Cover0%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Asia/Tokyo

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 rule

Japan's winter transforms its iconic landscapes into scenes of serene beauty that embody the aesthetic principle of wabi-sabi—finding beauty in impermanence and imperfection. This forecast tracks frost and freezing conditions across Japan's diverse winter photography destinations.

Winter photography opportunities across Japan:

  • Kyoto's snow-covered temples - Kinkaku-ji golden pavilion and Fushimi Inari shrine gates become ethereal under fresh snow
  • Hokkaido's frozen landscapes - The Blue Pond in Biei develops stunning ice patterns and frost-covered trees create otherworldly scenes
  • Mountain shrines - Nikko's ornate Toshogu shrine complex gains dramatic contrast under winter snow
  • Historic streets - Takayama's preserved Edo-period town appears suspended in time with frost-laden roofs
  • Ice formations - Mountain shrines and waterfalls develop intricate ice sculptures

The season runs from December through February across most of Japan, with Hokkaido remaining frozen well into March. Early morning shoots capture hoarfrost at its peak before the sun melts the delicate ice crystals. The contrast between traditional architecture and pristine snow creates compositions rich in cultural depth.

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 95 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Asia/Tokyo
Time Window
Sunrise -45m to +90m
Frost Probability
≥ 60.0%
Wind Speed
≤ 1.5m/s
Sat, May 23
22:000%0.84m/s
23:000%1.7m/s
Sun, May 24
24:000%3.8m/s
01:000%2.9m/s
02:000%0.17m/s
03:000%2.7m/s
04:000%0.6m/s
05:000%0.83m/s
06:000%2m/s
07:000%3m/s
08:000%2.6m/s
09:000%0.91m/s
10:000%3.1m/s
11:000%2.8m/s
12:000%1.9m/s
13:000%2.2m/s
14:000%1.3m/s
15:000%1.4m/s
16:000%1.6m/s
17:000%2.8m/s
18:000%3.5m/s
19:000%3m/s
20:000%2.5m/s
21:000%2.3m/s
22:000%1.4m/s
23:000%1.5m/s
Mon, May 25
24:000%0.87m/s
01:000%1.6m/s
02:000%1.6m/s
03:000%1.5m/s
04:000%1.4m/s
05:000%0.63m/s
06:000%1m/s
07:000%1.1m/s
08:000%1.9m/s
09:000%2.1m/s
10:000%3.5m/s
11:000%4m/s
12:000%4.8m/s
13:000%4.7m/s
14:000%4.2m/s
15:000%3.9m/s
16:000%4m/s
17:000%3.6m/s
18:000%3.1m/s
19:000%2.7m/s
20:000%2.5m/s
21:000%2.2m/s
22:000%2m/s
23:000%0.75m/s
Tue, May 26
24:000%0.7m/s
01:000%1.6m/s
02:000%2.1m/s
03:000%1.8m/s
04:000%0.98m/s
05:000%0.56m/s
06:000%1m/s
07:000%1.3m/s
08:000%1.3m/s
09:000%1.6m/s
10:000%2.3m/s
11:000%2.9m/s
12:000%3.3m/s
13:000%2.3m/s
14:000%1.9m/s
15:000%2.7m/s
16:000%2.7m/s
17:000%2.6m/s
18:000%2.6m/s
19:000%2.4m/s
20:000%2.6m/s
21:000%2.6m/s
22:000%1.9m/s
23:000%1.8m/s
Wed, May 27
24:000%2.2m/s
01:000%2m/s
02:000%2.1m/s
03:000%1.5m/s
04:000%2m/s
05:000%2.5m/s
06:000%3m/s
07:000%2.9m/s
08:000%2.8m/s
09:000%2.6m/s
10:000%2.3m/s
11:000%2.1m/s
12:000%1.8m/s
13:000%1.3m/s
14:000%0.77m/s
15:000%0.28m/s
16:000%0.43m/s
17:000%0.58m/s
18:000%0.73m/s
19:000%0.77m/s
20:000%0.81m/s
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Frost Probability mean?

Inputs that drive the score

This 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
Asia/Tokyo
Dew Point
°C
Surface Temperature
°C
Temperature
°C
Time Window
Total Cloud Coverage
%
Vapor Pressure Deficit
kPa
Sun, May 24 Sunrise 04:40 Sunset 19:00
22:00
17°C 20°C 18°C - 0% 0.24kPa
23:00
17°C 19°C 18°C - 0% 0.22kPa
Mon, May 25 Sunrise 04:40 Sunset 19:00
24:00
17°C 19°C 18°C - 0% 0.2kPa
01:00
16°C 19°C 18°C - 8% 0.2kPa
02:00
16°C 18°C 18°C - 34% 0.21kPa
03:00
16°C 18°C 18°C - 67% 0.23kPa
04:00
16°C 18°C 18°C - 97% 0.27kPa
05:00
15°C 18°C 18°C - 93% 0.32kPa
06:00
16°C 18°C 18°C - 92% 0.34kPa
07:00
16°C 18°C 19°C - 3% 0.37kPa
08:00
16°C 19°C 20°C - 100% 0.48kPa
09:00
16°C 19°C 20°C - 71% 0.51kPa
10:00
17°C 20°C 21°C - 5% 0.55kPa
11:00
17°C 21°C 21°C - 100% 0.59kPa
12:00
17°C 22°C 21°C - 100% 0.55kPa
13:00
17°C 22°C 21°C - 100% 0.54kPa
14:00
17°C 22°C 21°C - 70% 0.52kPa
15:00
17°C 23°C 21°C - 19% 0.52kPa
16:00
17°C 23°C 21°C - 98% 0.5kPa
17:00
17°C 23°C 20°C - 97% 0.48kPa
18:00
17°C 23°C 21°C - 100% 0.47kPa
19:00
17°C 22°C 20°C - 85% 0.45kPa
20:00
16°C 22°C 20°C - 100% 0.45kPa
21:00
16°C 21°C 20°C - 100% 0.42kPa
22:00
16°C 21°C 19°C - 100% 0.42kPa
23:00
16°C 21°C 19°C - 100% 0.37kPa
Tue, May 26 Sunrise 04:40 Sunset 19:01
24:00
17°C 20°C 19°C - 100% 0.33kPa
01:00
17°C 20°C 19°C - 100% 0.32kPa
02:00
17°C 20°C 19°C - 100% 0.26kPa
03:00
17°C 20°C 19°C - 100% 0.22kPa
04:00
17°C 19°C 18°C - 96% 0.21kPa
05:00
17°C 19°C 18°C - 99% 0.22kPa
06:00
17°C 19°C 19°C - 100% 0.31kPa
07:00
17°C 19°C 20°C - 100% 0.45kPa
08:00
17°C 20°C 21°C - 100% 0.57kPa
09:00
17°C 21°C 22°C - 100% 0.69kPa
10:00
17°C 22°C 22°C - 99% 0.73kPa
11:00
17°C 22°C 22°C - 77% 0.64kPa
12:00
17°C 23°C 22°C - 100% 0.68kPa
13:00
17°C 24°C 22°C - 100% 0.78kPa
14:00
17°C 24°C 23°C - 100% 0.85kPa
15:00
17°C 24°C 23°C - 100% 0.85kPa
16:00
17°C 24°C 23°C - 100% 0.93kPa
17:00
17°C 24°C 23°C - 100% 0.96kPa
18:00
17°C 24°C 23°C - 100% 0.85kPa
19:00
18°C 24°C 23°C - 100% 0.73kPa
20:00
18°C 24°C 22°C - 100% 0.67kPa
21:00
18°C 23°C 22°C - 100% 0.63kPa
22:00
17°C 23°C 22°C - 100% 0.59kPa
23:00
17°C 23°C 21°C - 100% 0.6kPa
Wed, May 27 Sunrise 04:39 Sunset 19:01
24:00
17°C 22°C 21°C - 100% 0.49kPa
01:00
17°C 22°C 20°C - 100% 0.48kPa
02:00
17°C 22°C 20°C - 100% 0.46kPa
03:00
17°C 21°C 19°C - 100% 0.34kPa
04:00
17°C 22°C 21°C - 100% 0.48kPa
05:00
17°C 23°C 22°C - 100% 0.64kPa
06:00
17°C 23°C 23°C - 100% 0.82kPa
07:00
17°C 24°C 23°C - 100% 0.82kPa
08:00
18°C 24°C 23°C - 100% 0.81kPa
09:00
18°C 25°C 23°C - 100% 0.81kPa
10:00
18°C 25°C 23°C - 100% 0.75kPa
11:00
18°C 24°C 22°C - 100% 0.68kPa
12:00
17°C 24°C 22°C - 100% 0.62kPa
13:00
18°C 24°C 22°C - 97% 0.6kPa
14:00
18°C 24°C 22°C - 94% 0.58kPa
15:00
18°C 23°C 22°C - 90% 0.55kPa
16:00
17°C 23°C 21°C - 94% 0.53kPa
17:00
17°C 23°C 21°C - 97% 0.51kPa
18:00
17°C 22°C 21°C - 100% 0.5kPa
19:00
17°C 22°C 21°C - 100% 0.53kPa
20:00
16°C 22°C 21°C - 100% 0.57kPa
21:00
16°C 22°C 21°C - 100% 0.61kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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