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Rule Morning Frost

Kyoto - Morning Frost - Japan

Kyoto, Kyoto, 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 57% failing

Currently

Real-time conditions
Soil Temperature11.1°C
Dew Point-6.3°C (low dew point)
Wind Speed1.3m/s (calm conditions)
Cloud Cover8%

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
Tue, Apr 21
04:000%1.5m/s
05:000%3.1m/s
06:000%5.8m/s
07:000%4.6m/s
08:000%4.6m/s
09:000%4.4m/s
10:000%5.5m/s
11:000%6.5m/s
12:000%6.3m/s
13:000%6.9m/s
14:000%7m/s
15:000%6.4m/s
16:000%5.5m/s
17:000%3.6m/s
18:000%2.7m/s
19:000%1.5m/s
20:000%1.7m/s
21:000%1.8m/s
22:000%2.3m/s
23:000%1.7m/s
Wed, Apr 22
24:000%1.8m/s
01:000%1.2m/s
02:000%1.6m/s
03:000%1.1m/s
04:000%1.3m/s
05:000%1.5m/s
06:000%1.7m/s
07:000%1.8m/s
08:000%1.5m/s
09:000%1.6m/s
10:000%1.5m/s
11:000%0.93m/s
12:000%0.51m/s
13:000%0.98m/s
14:000%1.3m/s
15:000%1.7m/s
16:000%2.1m/s
17:000%2.1m/s
18:000%1.7m/s
19:000%1.5m/s
20:000%1.1m/s
21:000%0.74m/s
22:000%0.81m/s
23:000%0.93m/s
Thu, Apr 23
24:000%1.3m/s
01:000%1.3m/s
02:000%1.3m/s
03:000%1.4m/s
04:000%1.5m/s
05:000%1.7m/s
06:000%2m/s
07:000%1.7m/s
08:000%1.5m/s
09:000%0.98m/s
10:000%1.5m/s
11:000%1.7m/s
12:000%2m/s
13:000%1.9m/s
14:000%2.7m/s
15:000%3m/s
16:000%3.5m/s
17:000%3.6m/s
18:000%3.3m/s
19:000%2.8m/s
20:000%2.4m/s
21:000%2.1m/s
22:000%2.2m/s
23:000%2.3m/s
Fri, Apr 24
24:000%2.2m/s
01:000%1.6m/s
02:000%1.6m/s
03:000%1.8m/s
04:000%2.4m/s
05:000%2.8m/s
06:000%1.9m/s
07:000%2.3m/s
08:000%3.2m/s
09:000%2.9m/s
10:000%2.4m/s
11:000%1.9m/s
12:000%1.4m/s
13:000%1.1m/s
14:000%0.72m/s
15:000%0.36m/s
16:000%0.55m/s
17:000%0.75m/s
18:000%0.95m/s
19:000%1m/s
20:000%1.1m/s
21:000%1.1m/s
22:000%1.1m/s
23:000%1m/s
Sat, Apr 25
24:000%1m/s
01:000%2.1m/s
02:000%3.3m/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
Wed, Apr 22 Sunrise 05:18 Sunset 18:33
04:00
-6.3°C 11°C 9°C - 8% 0.77kPa
05:00
-5.1°C 11°C 8.6°C - 25% 0.7kPa
06:00
-3.2°C 10°C 9.1°C - 9% 0.67kPa
07:00
-2.9°C 11°C 12°C - 14% 0.87kPa
08:00
-4.5°C 12°C 14°C - 100% 1.2kPa
09:00
-1.7°C 13°C 16°C - 97% 1.2kPa
10:00
2.2°C 14°C 18°C - 100% 1.3kPa
11:00
4.1°C 16°C 19°C - 100% 1.4kPa
12:00
3.5°C 18°C 21°C - 100% 1.7kPa
13:00
1.6°C 19°C 21°C - 100% 1.8kPa
14:00
-0.8°C 19°C 21°C - 100% 1.9kPa
15:00
-3°C 20°C 21°C - 100% 2kPa
16:00
-3.1°C 20°C 21°C - 100% 2kPa
17:00
-0.8°C 20°C 20°C - 100% 1.7kPa
18:00
1.3°C 19°C 18°C - 100% 1.4kPa
19:00
2.8°C 19°C 17°C - 100% 1.2kPa
20:00
3.5°C 18°C 16°C - 100% 1.1kPa
21:00
3.7°C 17°C 16°C - 100% 1kPa
22:00
3.6°C 17°C 15°C - 100% 0.96kPa
23:00
3.4°C 16°C 15°C - 100% 0.92kPa
Thu, Apr 23 Sunrise 05:17 Sunset 18:34
24:00
3.4°C 16°C 14°C - 100% 0.87kPa
01:00
3.3°C 16°C 14°C - 100% 0.86kPa
02:00
3.2°C 15°C 14°C - 100% 0.86kPa
03:00
3.1°C 15°C 14°C - 100% 0.85kPa
04:00
2.8°C 15°C 14°C - 100% 0.83kPa
05:00
2.1°C 15°C 13°C - 100% 0.8kPa
06:00
1.6°C 14°C 13°C - 100% 0.81kPa
07:00
1.4°C 14°C 14°C - 100% 0.9kPa
08:00
1.3°C 14°C 15°C - 100% 0.98kPa
09:00
1.1°C 14°C 15°C - 100% 1kPa
10:00
2.7°C 14°C 14°C - 100% 0.87kPa
11:00
3.6°C 14°C 14°C - 100% 0.77kPa
12:00
5.3°C 14°C 12°C - 100% 0.53kPa
13:00
6°C 14°C 11°C - 100% 0.41kPa
14:00
7.4°C 13°C 10°C - 100% 0.21kPa
15:00
8.1°C 13°C 9.8°C - 100% 0.13kPa
16:00
8.7°C 13°C 10°C - 100% 0.11kPa
17:00
9.1°C 12°C 10°C - 100% 0.11kPa
18:00
9.1°C 12°C 10°C - 100% 0.1kPa
19:00
8.9°C 12°C 10°C - 100% 0.1kPa
20:00
8.3°C 12°C 9.5°C - 100% 0.1kPa
21:00
8.4°C 11°C 9.7°C - 100% 0.1kPa
22:00
8.7°C 11°C 9.9°C - 100% 0.09kPa
23:00
8.6°C 11°C 9.8°C - 100% 0.1kPa
Fri, Apr 24 Sunrise 05:15 Sunset 18:35
24:00
8.4°C 11°C 9.7°C - 100% 0.1kPa
01:00
8.2°C 11°C 9.8°C - 100% 0.12kPa
02:00
8.4°C 11°C 10°C - 100% 0.14kPa
03:00
8.2°C 11°C 10°C - 100% 0.16kPa
04:00
7.3°C 11°C 10°C - 100% 0.2kPa
05:00
6.7°C 11°C 9.9°C - 100% 0.24kPa
06:00
6.2°C 11°C 10°C - 100% 0.28kPa
07:00
5.8°C 11°C 11°C - 100% 0.39kPa
08:00
4.8°C 11°C 12°C - 100% 0.57kPa
09:00
4.2°C 12°C 14°C - 85% 0.77kPa
10:00
3.5°C 14°C 14°C - 56% 0.85kPa
11:00
2.8°C 15°C 15°C - 28% 0.93kPa
12:00
2°C 17°C 15°C - 0% 1kPa
13:00
2.7°C 16°C 14°C - 0% 0.86kPa
14:00
3.3°C 15°C 13°C - 0% 0.72kPa
15:00
3.7°C 14°C 12°C - 0% 0.59kPa
16:00
4.2°C 14°C 11°C - 0% 0.52kPa
17:00
4.6°C 13°C 11°C - 0% 0.45kPa
18:00
5°C 13°C 10°C - 0% 0.38kPa
19:00
5°C 12°C 10°C - 22% 0.35kPa
20:00
5.1°C 12°C 9.7°C - 43% 0.33kPa
21:00
5.2°C 12°C 9.5°C - 65% 0.3kPa
22:00
5.8°C 11°C 9.8°C - 44% 0.28kPa
23:00
6.5°C 11°C 10°C - 22% 0.27kPa
Sat, Apr 25 Sunrise 05:14 Sunset 18:36
24:00
7.2°C 11°C 10°C - 0% 0.25kPa
01:00
7.9°C 11°C 12°C - 13% 0.36kPa
02:00
8.5°C 12°C 14°C - 25% 0.51kPa
03:00
9°C 13°C 16°C - 38% 0.69kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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