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More Morning Frost in Japan
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Rule Morning Frost

Miyajima - Morning Frost - Japan

Miyajima, Hiroshima, 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 88% failing
Wind Speed 54% failing

Currently

Real-time conditions
Frost Probability
0%
Soil Temperature10.5°C
Dew Point2.6°C (low dew point)
Wind Speed2.6m/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
Sun, Feb 22
04:00✕3.8%0.54m/s
05:00✕3.8%0.63m/s
06:00✓3.8%0.67m/s
07:00✓3.8%0.77m/s
08:00✓5%0.55m/s
09:00✕5%0.5m/s
10:00✕0%1.1m/s
11:00✕0%2.6m/s
12:00✕0%2.9m/s
13:00✕0%2.3m/s
14:00✕0%2.3m/s
15:00✕0%2.1m/s
16:00✕0%1.1m/s
17:00✕0%1.6m/s
18:00✕0%1.5m/s
19:00✕0%1.8m/s
20:00✕0%1.7m/s
21:00✕0%1.6m/s
22:00✕0%3m/s
23:00✕0%4.9m/s
Mon, Feb 23
24:00✕0%4.3m/s
01:00✕0%2.1m/s
02:00✕0%1.9m/s
03:00✕0%2.8m/s
04:00✕0%2.6m/s
05:00✕0%2.8m/s
06:00✓0%2.8m/s
07:00✓0%2.7m/s
08:00✓0%2.2m/s
09:00✕0%1.3m/s
10:00✕0%0.85m/s
11:00✕0%1.7m/s
12:00✕0%2.1m/s
13:00✕0%2.2m/s
14:00✕0%2.2m/s
15:00✕0%1.7m/s
16:00✕0%0.97m/s
17:00✕0%0.51m/s
18:00✕0%0.35m/s
19:00✕0%1.3m/s
20:00✕0%1.4m/s
21:00✕0%1.4m/s
22:00✕0%2.2m/s
23:00✕0%2m/s
Tue, Feb 24
24:00✕0%1.9m/s
01:00✕0%1.9m/s
02:00✕0%1.7m/s
03:00✕3.6%1.5m/s
04:00✕3.6%1.7m/s
05:00✕3.6%1.3m/s
06:00✓3.6%1.4m/s
07:00✓3.4%1.1m/s
08:00✓3.4%1.4m/s
09:00✕3.3%0.55m/s
10:00✕3.3%0.65m/s
11:00✕0%0.92m/s
12:00✕0%0.59m/s
13:00✕0%0.84m/s
14:00✕0%0.61m/s
15:00✕0%0.92m/s
16:00✕0%0.85m/s
17:00✕0%0.46m/s
18:00✕0%0.84m/s
19:00✕0%0.64m/s
20:00✕0%1.3m/s
21:00✕0%0.99m/s
22:00✕0%1.2m/s
23:00✕0%1.7m/s
Wed, Feb 25
24:00✕0%1.8m/s
01:00✕0%1m/s
02:00✕0%1.4m/s
03:00✕0%1.4m/s
04:00✕0%1.3m/s
05:00✕0%1.1m/s
06:00✓0%1.5m/s
07:00✓0%2.3m/s
08:00✓0%1.7m/s
09:00✕0%2.4m/s
10:00✕0%2.2m/s
11:00✕0%2.1m/s
12:00✕0%2m/s
13:00✕0%2.1m/s
14:00✕0%2.2m/s
15:00✕0%2.4m/s
16:00✕0%2.3m/s
17:00✕0%2.2m/s
18:00✕0%2.2m/s
19:00✕0%2.2m/s
20:00✕0%2.3m/s
21:00✕2.7%2.3m/s
22:00✕2.7%2.2m/s
23:00✕2.7%2m/s
Thu, Feb 26
24:00✕2.7%1.9m/s
01:00✕2.3%1.8m/s
02:00✕2%1.7m/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, Feb 23 Sunrise 06:47 Sunset 18:00
04:00 ☾
2.6°C 10°C 7.2°C - 0% 0.28kPa
05:00 ☾
0.5°C 9.9°C 6.2°C - 0% 0.31kPa
06:00 ☾
-0.5°C 9.3°C 5.7°C - 1% 0.33kPa
07:00 ☾
-1°C 8.8°C 5.3°C - 5% 0.32kPa
08:00 ☾
-1°C 8.5°C 6.7°C - 5% 0.42kPa
09:00 ☾
-1.5°C 8.6°C 8.9°C - 84% 0.6kPa
10:00 ☾
-1.6°C 9°C 10°C - 12% 0.72kPa
11:00 ☾
-1.3°C 9.7°C 11°C - 99% 0.76kPa
12:00 ☾
-1.1°C 10°C 11°C - 61% 0.77kPa
13:00 ☾
-0.9°C 11°C 12°C - 24% 0.79kPa
14:00 ☾
-0.6°C 11°C 12°C - 0% 0.79kPa
15:00 ☾
0.2°C 12°C 12°C - 26% 0.76kPa
16:00 ☾
1.4°C 12°C 12°C - 70% 0.69kPa
17:00 ☾
2.2°C 12°C 11°C - 4% 0.6kPa
18:00 ☾
2.3°C 11°C 9.3°C - 2% 0.44kPa
19:00 ☾
2.1°C 11°C 9.1°C - 1% 0.44kPa
20:00 ☾
1.5°C 11°C 8.8°C - 1% 0.46kPa
21:00 ☾
0.5°C 10°C 8.4°C - 5% 0.47kPa
22:00 ☾
-0.2°C 9.6°C 7.9°C - 7% 0.47kPa
23:00 ☾
-0.9°C 9.2°C 7.5°C - 69% 0.46kPa
Tue, Feb 24 Sunrise 06:46 Sunset 18:00
24:00 ☾
-1.3°C 8.8°C 7.3°C - 96% 0.47kPa
01:00 ☾
-1.5°C 8.4°C 7.1°C - 89% 0.46kPa
02:00 ☾
-1.7°C 8°C 7.1°C - 100% 0.47kPa
03:00 ☾
-2°C 7.7°C 7°C - 100% 0.48kPa
04:00 ☾
-2.3°C 7.4°C 6.9°C - 100% 0.47kPa
05:00 ☾
-2.7°C 7.1°C 6.8°C - 100% 0.48kPa
06:00 ☾
-3°C 6.9°C 6.8°C - 100% 0.5kPa
07:00 ☾
-3.2°C 6.6°C 6.9°C - 100% 0.51kPa
08:00 ☾
-2.6°C 6.7°C 8°C - 100% 0.57kPa
09:00 ☾
-2.4°C 7°C 9.8°C - 100% 0.69kPa
10:00 ☾
-1.8°C 7.5°C 11°C - 100% 0.75kPa
11:00 ☾
-0.2°C 8.2°C 12°C - 100% 0.76kPa
12:00 ☾
0.7°C 8.6°C 11°C - 100% 0.7kPa
13:00 ☾
3.1°C 9.1°C 12°C - 100% 0.63kPa
14:00 ☾
4.6°C 9.3°C 11°C - 100% 0.46kPa
15:00 ☾
6.1°C 9.4°C 10°C - 100% 0.28kPa
16:00 ☾
7.1°C 9.4°C 9.8°C - 100% 0.2kPa
17:00 ☾
8.2°C 9.4°C 10°C - 100% 0.16kPa
18:00 ☾
8.8°C 9.4°C 10°C - 100% 0.13kPa
19:00 ☾
9.5°C 9.4°C 10°C - 100% 0.08kPa
20:00 ☾
9.9°C 9.4°C 11°C - 100% 0.05kPa
21:00 ☾
10°C 9.5°C 11°C - 100% 0.04kPa
22:00 ☾
11°C 9.5°C 11°C - 100% 0.04kPa
23:00 ☾
11°C 9.6°C 11°C - 100% 0.03kPa
Wed, Feb 25 Sunrise 06:45 Sunset 18:01
24:00 ☾
11°C 9.7°C 12°C - 100% 0.04kPa
01:00 ☾
12°C 9.8°C 12°C - 100% 0.04kPa
02:00 ☾
12°C 9.9°C 12°C - 100% 0.02kPa
03:00 ☾
11°C 10°C 12°C - 100% 0.02kPa
04:00 ☾
11°C 10°C 12°C - 100% 0.03kPa
05:00 ☾
11°C 10°C 12°C - 100% 0.03kPa
06:00 ☾
11°C 10°C 12°C - 100% 0.03kPa
07:00 ☾
11°C 10°C 12°C - 100% 0.03kPa
08:00 ☾
11°C 10°C 12°C - 100% 0.02kPa
09:00 ☾
11°C 10°C 11°C - 100% 0.02kPa
10:00 ☾
11°C 10°C 11°C - 92% 0.05kPa
11:00 ☾
10°C 9.9°C 11°C - 84% 0.08kPa
12:00 ☾
9.3°C 9.7°C 11°C - 75% 0.11kPa
13:00 ☾
8.5°C 9.6°C 9.7°C - 54% 0.09kPa
14:00 ☾
7.7°C 9.5°C 8.7°C - 33% 0.07kPa
15:00 ☾
6.8°C 9.4°C 7.7°C - 12% 0.06kPa
16:00 ☾
6.4°C 9.1°C 7.2°C - 8% 0.06kPa
17:00 ☾
6°C 8.8°C 6.8°C - 4% 0.05kPa
18:00 ☾
5.6°C 8.5°C 6.3°C - 0% 0.05kPa
19:00 ☾
5.4°C 8.3°C 6.1°C - 0% 0.05kPa
20:00 ☾
5.2°C 8°C 6°C - 0% 0.05kPa
21:00 ☾
5°C 7.8°C 5.8°C - 0% 0.05kPa
22:00 ☾
4.9°C 7.6°C 5.7°C - 0% 0.05kPa
23:00 ☾
4.8°C 7.4°C 5.6°C - 1% 0.05kPa
Thu, Feb 26 Sunrise 06:44 Sunset 18:02
24:00 ☾
4.7°C 7.2°C 5.6°C - 1% 0.06kPa
01:00 ☾
5.3°C 7.2°C 6.7°C - 32% 0.09kPa
02:00 ☾
6°C 7.2°C 7.9°C - 63% 0.13kPa
03:00 ☾
6.6°C 7.3°C 9°C - 94% 0.18kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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