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More Morning Frost in Japan
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Rule Morning Frost

Nara - Morning Frost - Japan

Nara, Nara, 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)
Frost Probability 100% failing
Time Window 85% failing
Wind Speed 83% failing

Currently

Real-time conditions
Frost Probability
0%
Soil Temperature15.9°C
Dew Point6.7°C (moderate dew point)
Wind Speed2.0m/s (calm conditions)
Cloud Cover100%

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
Wed, Apr 8
16:00✕0%1.9m/s
17:00✕0%2.2m/s
18:00✕0%2m/s
19:00✕0%1.2m/s
20:00✕0%1m/s
21:00✕0%0.67m/s
22:00✕0%0.97m/s
23:00✕0%0.6m/s
Thu, Apr 9
24:00✕0%0.99m/s
01:00✕0%1.2m/s
02:00✕0%0.88m/s
03:00✕0%1.6m/s
04:00✓0%1.6m/s
05:00✓0%1.4m/s
06:00✓0%1.6m/s
07:00✓0%1.4m/s
08:00✕0%1.7m/s
09:00✕0%1.4m/s
10:00✕0%0.98m/s
11:00✕0%1.9m/s
12:00✕0%1.6m/s
13:00✕0%1.9m/s
14:00✕0%1.8m/s
15:00✕0%1.6m/s
16:00✕0%2m/s
17:00✕0%2.2m/s
18:00✕0%3m/s
19:00✕0%2.2m/s
20:00✕0%3.2m/s
21:00✕0%2.6m/s
22:00✕0%1.8m/s
23:00✕0%1.4m/s
Fri, Apr 10
24:00✕0%2.6m/s
01:00✕0%1.8m/s
02:00✕0%1.4m/s
03:00✕0%1.3m/s
04:00✓0%1.3m/s
05:00✓0%1.6m/s
06:00✓0%1.7m/s
07:00✓0%1.7m/s
08:00✕0%1.9m/s
09:00✕0%2.1m/s
10:00✕0%2.2m/s
11:00✕0%1.4m/s
12:00✕0%0.91m/s
13:00✕0%2m/s
14:00✕0%1.3m/s
15:00✕0%2.5m/s
16:00✕0%2.4m/s
17:00✕0%2.2m/s
18:00✕0%2.7m/s
19:00✕0%2.4m/s
20:00✕0%2.4m/s
21:00✕0%2.4m/s
22:00✕0%3.1m/s
23:00✕0%3m/s
Sat, Apr 11
24:00✕0%2.9m/s
01:00✕0%4.4m/s
02:00✕0%5.1m/s
03:00✕0%5.1m/s
04:00✓0%3.7m/s
05:00✓0%3.9m/s
06:00✓0%4.6m/s
07:00✓0%4.9m/s
08:00✕0%5.2m/s
09:00✕0%5.2m/s
10:00✕0%3.8m/s
11:00✕0%3m/s
12:00✕0%3.3m/s
13:00✕0%3.7m/s
14:00✕0%4.2m/s
15:00✕0%4m/s
16:00✕0%4.3m/s
17:00✕0%5.3m/s
18:00✕0%4.8m/s
19:00✕0%3.4m/s
20:00✕0%2.9m/s
21:00✕0%2.1m/s
22:00✕0%1.9m/s
23:00✕0%1.8m/s
Sun, Apr 12
24:00✕0%1.6m/s
01:00✕0%1.8m/s
02:00✕0%1.9m/s
03:00✕0%2m/s
04:00✓0%2m/s
05:00✓0%1.9m/s
06:00✓0%1.9m/s
07:00✕0%1.9m/s
08:00✕0%1.9m/s
09:00✕0%1.9m/s
10:00✕0%1.3m/s
11:00✕0%0.75m/s
12:00✕0%0.19m/s
13:00✕0%0.7m/s
14:00✕0%1.2m/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
Thu, Apr 9 Sunrise 05:32 Sunset 18:23
16:00 ☾
6.7°C 16°C 16°C - 100% 0.83kPa
17:00 ☾
8.8°C 16°C 15°C - 100% 0.56kPa
18:00 ☾
9.9°C 15°C 14°C - 100% 0.4kPa
19:00 ☾
10°C 15°C 14°C - 100% 0.35kPa
20:00 ☾
9.9°C 15°C 13°C - 100% 0.28kPa
21:00 ☾
10°C 14°C 13°C - 100% 0.26kPa
22:00 ☾
11°C 14°C 13°C - 100% 0.19kPa
23:00 ☾
12°C 14°C 13°C - 100% 0.12kPa
Fri, Apr 10 Sunrise 05:32 Sunset 18:23
24:00 ☾
12°C 13°C 13°C - 100% 0.08kPa
01:00 ☾
12°C 13°C 13°C - 100% 0.07kPa
02:00 ☾
12°C 13°C 13°C - 100% 0.05kPa
03:00 ☾
12°C 13°C 13°C - 100% 0.07kPa
04:00 ☾
12°C 13°C 13°C - 100% 0.09kPa
05:00 ☾
12°C 13°C 13°C - 100% 0.09kPa
06:00 ☾
12°C 13°C 13°C - 100% 0.1kPa
07:00 ☾
13°C 13°C 14°C - 100% 0.12kPa
08:00 ☾
13°C 13°C 14°C - 100% 0.13kPa
09:00 ☾
14°C 14°C 15°C - 100% 0.17kPa
10:00 ☾
14°C 14°C 15°C - 100% 0.06kPa
11:00 ☾
15°C 14°C 15°C - 100% 0.04kPa
12:00 ☾
16°C 14°C 16°C - 100% 0.02kPa
13:00 ☾
16°C 14°C 16°C - 100% 0.01kPa
14:00 ☾
16°C 15°C 16°C - 100% 0.01kPa
15:00 ☾
18°C 15°C 18°C - 100% 0.05kPa
16:00 ☾
18°C 15°C 18°C - 100% 0.03kPa
17:00 ☾
17°C 16°C 17°C - 54% 0.02kPa
18:00 ☾
17°C 16°C 17°C - 43% 0.1kPa
19:00 ☾
16°C 16°C 16°C - 75% 0.06kPa
20:00 ☾
16°C 16°C 17°C - 81% 0.05kPa
21:00 ☾
16°C 16°C 17°C - 74% 0.05kPa
22:00 ☾
16°C 16°C 17°C - 94% 0.06kPa
23:00 ☾
16°C 16°C 16°C - 74% 0.07kPa
Sat, Apr 11 Sunrise 05:31 Sunset 18:24
24:00 ☾
15°C 15°C 16°C - 20% 0.13kPa
01:00 ☾
14°C 15°C 16°C - 20% 0.21kPa
02:00 ☾
14°C 15°C 16°C - 97% 0.21kPa
03:00 ☾
13°C 15°C 15°C - 97% 0.23kPa
04:00 ☾
13°C 15°C 14°C - 12% 0.15kPa
05:00 ☾
13°C 14°C 14°C - 100% 0.14kPa
06:00 ☾
12°C 14°C 14°C - 15% 0.2kPa
07:00 ☾
12°C 14°C 15°C - 7% 0.28kPa
08:00 ☾
11°C 14°C 16°C - 4% 0.42kPa
09:00 ☾
9.4°C 15°C 17°C - 28% 0.73kPa
10:00 ☾
9.4°C 16°C 18°C - 61% 0.83kPa
11:00 ☾
9.7°C 17°C 18°C - 23% 0.92kPa
12:00 ☾
8.8°C 19°C 20°C - 0% 1.2kPa
13:00 ☾
8°C 20°C 21°C - 2% 1.4kPa
14:00 ☾
7.4°C 21°C 22°C - 4% 1.6kPa
15:00 ☾
6.7°C 21°C 22°C - 4% 1.6kPa
16:00 ☾
5.3°C 22°C 21°C - 13% 1.6kPa
17:00 ☾
4.5°C 21°C 19°C - 1% 1.3kPa
18:00 ☾
5.2°C 20°C 17°C - 1% 1kPa
19:00 ☾
6.4°C 19°C 15°C - 0% 0.77kPa
20:00 ☾
6.9°C 18°C 14°C - 5% 0.63kPa
21:00 ☾
7°C 17°C 14°C - 90% 0.56kPa
22:00 ☾
5.5°C 15°C 11°C - 85% 0.45kPa
23:00 ☾
3.8°C 12°C 9.2°C - 80% 0.35kPa
Sun, Apr 12 Sunrise 05:29 Sunset 18:25
24:00 ☾
2.2°C 9.9°C 6.9°C - 76% 0.28kPa
01:00 ☾
2.3°C 10°C 9.3°C - 52% 0.45kPa
02:00 ☾
2°C 10°C 12°C - 29% 0.68kPa
03:00 ☾
1°C 10°C 14°C - 5% 0.96kPa
04:00 ☾
1.7°C 11°C 16°C - 10% 1.1kPa
05:00 ☾
2.4°C 11°C 17°C - 14% 1.2kPa
06:00 ☾
3.1°C 12°C 18°C - 19% 1.3kPa
07:00 ☾
3.5°C 12°C 18°C - 14% 1.3kPa
08:00 ☾
3.9°C 13°C 19°C - 10% 1.4kPa
09:00 ☾
4.3°C 13°C 19°C - 5% 1.4kPa
10:00 ☾
5.5°C 14°C 17°C - 37% 1.1kPa
11:00 ☾
6.2°C 14°C 16°C - 68% 0.84kPa
12:00 ☾
6.7°C 14°C 14°C - 100% 0.63kPa
13:00 ☾
6.3°C 14°C 14°C - 100% 0.6kPa
14:00 ☾
6°C 14°C 13°C - 100% 0.56kPa
15:00 ☾
5.6°C 13°C 12°C - 100% 0.53kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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