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More Morning Frost in Japan
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Rule Morning Frost

Mount Fuji - Morning Frost - Japan

Fujinomiya, Shizuoka, 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 58% failing

Currently

Real-time conditions
Frost Probability
0%
Soil Temperature15.2°C
Dew Point11.5°C (moderate dew point)
Wind Speed3.2m/s (calm conditions)
Cloud Cover40%

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
Sun, Apr 19
17:00✕0%2.2m/s
18:00✕0%1.5m/s
19:00✕0%0.46m/s
20:00✕0%0.07m/s
21:00✕0%0.26m/s
22:00✕0%0.11m/s
23:00✕0%0.46m/s
Mon, Apr 20
24:00✕0%0.69m/s
01:00✕0%0.74m/s
02:00✕0%1.1m/s
03:00✕0%0.5m/s
04:00✕0%0.65m/s
05:00✕0%0.32m/s
06:00✕0%0.32m/s
07:00✕0%0.86m/s
08:00✕0%1.5m/s
09:00✕0%2.2m/s
10:00✕0%2m/s
11:00✕0%1.7m/s
12:00✕0%2.4m/s
13:00✕0%3.1m/s
14:00✕0%3.6m/s
15:00✕0%3.4m/s
16:00✕0%3.6m/s
17:00✕0%3.2m/s
18:00✕0%2.3m/s
19:00✕0%1.8m/s
20:00✕0%1.5m/s
21:00✕0%1.3m/s
22:00✕0%0.92m/s
23:00✕0%0.61m/s
Tue, Apr 21
24:00✕0%0.35m/s
01:00✕0%0.12m/s
02:00✕0%0.14m/s
03:00✕0%0.4m/s
04:00✕0%0.28m/s
05:00✕0%0.36m/s
06:00✕0%0.88m/s
07:00✕0%1.1m/s
08:00✕0%1.2m/s
09:00✕0%0.64m/s
10:00✕0%2.6m/s
11:00✕0%3.9m/s
12:00✕0%2.6m/s
13:00✕0%0.4m/s
14:00✕0%1.4m/s
15:00✕0%2.4m/s
16:00✕0%2.7m/s
17:00✕0%2.5m/s
18:00✕0%2.3m/s
19:00✕0%0.58m/s
20:00✕0%0.23m/s
21:00✕0%0.46m/s
22:00✕0%0.7m/s
23:00✕0%0.07m/s
Wed, Apr 22
24:00✕0%0.59m/s
01:00✕0%0.88m/s
02:00✕0%1.7m/s
03:00✕0%1.8m/s
04:00✕0%1.1m/s
05:00✕0%0.99m/s
06:00✕0%1m/s
07:00✕0%1.7m/s
08:00✕0%1.7m/s
09:00✕0%2.6m/s
10:00✕0%3.7m/s
11:00✕0%4.5m/s
12:00✕0%3.9m/s
13:00✕0%3.6m/s
14:00✕0%3.6m/s
15:00✕0%3.2m/s
16:00✕0%3.1m/s
17:00✕0%2.3m/s
18:00✕0%1.3m/s
19:00✕0%1m/s
20:00✕0%1.1m/s
21:00✕0%1.1m/s
22:00✕0%1.5m/s
23:00✕0%1.9m/s
Thu, Apr 23
24:00✕0%2.3m/s
01:00✕0%2.5m/s
02:00✕0%2.7m/s
03:00✕0%2.9m/s
04:00✕0%3.7m/s
05:00✕0%4.6m/s
06:00✕0%5.4m/s
07:00✕0%4.4m/s
08:00✕0%3.4m/s
09:00✕0%2.3m/s
10:00✕0%2m/s
11:00✕0%1.7m/s
12:00✕0%1.3m/s
13:00✕0%2.3m/s
14:00✕0%3.2m/s
15:00✕0%4.1m/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
Mon, Apr 20 Sunrise 05:07 Sunset 18:21
17:00
12°C 15°C 15°C - 40% 0.38kPa
18:00
12°C 15°C 13°C - 86% 0.13kPa
19:00 ☾
12°C 15°C 13°C - 100% 0.1kPa
20:00 ☾
12°C 15°C 13°C - 80% 0.11kPa
21:00 ☾
11°C 14°C 12°C - 29% 0.09kPa
22:00 ☾
10°C 14°C 11°C - 7% 0.08kPa
23:00 ☾
9.5°C 14°C 10°C - 5% 0.08kPa
Tue, Apr 21 Sunrise 05:07 Sunset 18:21
24:00 ☾
9.2°C 13°C 10°C - 14% 0.07kPa
01:00 ☾
9.2°C 13°C 10°C - 100% 0.07kPa
02:00 ☾
10°C 13°C 11°C - 70% 0.11kPa
03:00 ☾
9.9°C 13°C 11°C - 93% 0.09kPa
04:00 ☾
10°C 13°C 11°C - 85% 0.1kPa
05:00 ☾
10°C 12°C 11°C - 87% 0.1kPa
06:00 ☾
11°C 12°C 12°C - 100% 0.12kPa
07:00 ☾
11°C 12°C 12°C - 100% 0.14kPa
08:00 ☾
11°C 12°C 13°C - 100% 0.19kPa
09:00
12°C 13°C 15°C - 100% 0.3kPa
10:00
12°C 13°C 15°C - 100% 0.35kPa
11:00
11°C 13°C 18°C - 100% 0.73kPa
12:00
9.4°C 13°C 19°C - 1% 0.97kPa
13:00
8.7°C 14°C 21°C - 0% 1.4kPa
14:00
8°C 15°C 21°C - 0% 1.5kPa
15:00
9.3°C 15°C 21°C - 2% 1.3kPa
16:00
10°C 15°C 20°C - 3% 1.1kPa
17:00
12°C 16°C 18°C - 35% 0.69kPa
18:00
12°C 15°C 15°C - 0% 0.28kPa
19:00 ☾
11°C 15°C 12°C - 21% 0.14kPa
20:00 ☾
10°C 15°C 12°C - 0% 0.13kPa
21:00 ☾
10°C 15°C 12°C - 5% 0.14kPa
22:00 ☾
9.6°C 14°C 11°C - 70% 0.14kPa
23:00 ☾
9.2°C 14°C 11°C - 65% 0.16kPa
Wed, Apr 22 Sunrise 05:06 Sunset 18:22
24:00 ☾
9.4°C 14°C 11°C - 73% 0.16kPa
01:00 ☾
9.9°C 14°C 11°C - 99% 0.13kPa
02:00 ☾
11°C 13°C 12°C - 78% 0.11kPa
03:00 ☾
10°C 13°C 11°C - 91% 0.13kPa
04:00 ☾
8.9°C 13°C 11°C - 99% 0.15kPa
05:00 ☾
8.2°C 13°C 10°C - 100% 0.17kPa
06:00 ☾
8.1°C 13°C 11°C - 31% 0.19kPa
07:00 ☾
8°C 12°C 12°C - 18% 0.34kPa
08:00 ☾
8.6°C 13°C 14°C - 83% 0.47kPa
09:00
8.4°C 13°C 15°C - 99% 0.65kPa
10:00
8.5°C 13°C 17°C - 100% 0.79kPa
11:00
9°C 13°C 17°C - 100% 0.77kPa
12:00
9.4°C 14°C 17°C - 100% 0.74kPa
13:00
9.5°C 14°C 17°C - 100% 0.79kPa
14:00
10°C 14°C 17°C - 100% 0.67kPa
15:00
11°C 14°C 16°C - 96% 0.56kPa
16:00
11°C 14°C 16°C - 100% 0.52kPa
17:00
11°C 14°C 15°C - 100% 0.36kPa
18:00
11°C 14°C 13°C - 100% 0.15kPa
19:00 ☾
11°C 14°C 12°C - 100% 0.1kPa
20:00 ☾
11°C 14°C 12°C - 100% 0.12kPa
21:00 ☾
11°C 14°C 12°C - 100% 0.15kPa
22:00 ☾
11°C 3251°C 13°C - 99% 0.26kPa
23:00 ☾
10°C 6488°C 14°C - 98% 0.38kPa
Thu, Apr 23 Sunrise 05:05 Sunset 18:23
24:00 ☾
10°C 9726°C 15°C - 96% 0.52kPa
01:00 ☾
10°C 9726°C 16°C - 98% 0.59kPa
02:00 ☾
11°C 9726°C 17°C - 99% 0.66kPa
03:00 ☾
11°C 9726°C 18°C - 100% 0.73kPa
04:00 ☾
11°C 9726°C 18°C - 100% 0.71kPa
05:00 ☾
11°C 9726°C 18°C - 100% 0.69kPa
06:00 ☾
12°C 9726°C 18°C - 100% 0.66kPa
07:00 ☾
12°C 9726°C 17°C - 100% 0.59kPa
08:00 ☾
12°C 9726°C 17°C - 100% 0.52kPa
09:00
12°C 9726°C 16°C - 100% 0.46kPa
10:00
12°C 9726°C 15°C - 100% 0.33kPa
11:00
12°C 9726°C 14°C - 100% 0.21kPa
12:00
12°C 9726°C 13°C - 100% 0.11kPa
13:00
12°C 9726°C 13°C - 100% 0.12kPa
14:00
12°C 9726°C 13°C - 100% 0.12kPa
15:00
12°C 9726°C 13°C - 100% 0.13kPa
16:00
12°C 9726°C 13°C - 100% 0.14kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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