December 21 is statistically one of the best days of the year in Kamakura. With minimal rain risk (14%) and pleasant highs of 11°C, it's ideal for outdoor adventures. As it's peak season for Kamakura, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Kamakura
Currency
JPY
¥ Japanese yen
Language
Japanese
Driving
Left side
Connect
Pick up a useful map of the temples and ...
Safety
Very High Safety
GPI: 1.336
Kamakura Weather Forecast for December 21
"Mild & Comfortable. Expect average highs of 10.6°C. 14% chance of rain."
What to Wear in Kamakura in December
Based on historical data for December 21, Kamakura typically experiences temperatures between 4.6°C and 10.6°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (14% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Kamakura
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
10.6°C
Daytime Peak
Average Low
4.6°C
Nighttime Low
Feels Like
9.1°C
❄️ Minor difference
Rain Chance
14%
Avg 0.9mm if it rains
Cloud Cover
43%
Overcast
Pressure
1017.1 hPa
Medium volatility
Kamakura Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 98% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
4.3°C
Dry air
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Japan
Flight Traffic
High
96/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~950
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Kamakura
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:47
☀️ Noon
11:40
🌇 Sunset
16:33
⏱️ Daylight
9h 46m
Wind Speed
17.4 km/h
Gentle breeze
Sunshine
7.2 hrs
Direct Sun (Cloud-free)
Humidity
65%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Kamakura
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Kamakura
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Very high seismic risk. Ring of Fire territory.
Typhoon Risk
Year-round risk present
Volcanic Activity
Nearest: Mount Fuji
74.5km away
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Kamakura on December 21 averages 10.6°C with a 14% precipitation probability. Wedding/Outdoor Event Score: 78/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Kamakura Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
December 17
11.3°C • 15% rain
Score
82
December 18
11°C • 13% rain
Score
81
December 19
10.7°C • 13% rain
Score
79
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (December 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Kamakura Worth Visiting on December 21?
Planning a trip to Kamakura on December 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 10.6°C with a 14% historical precipitation risk.
✈️ Travel Logistics: Approximately 950 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 8 vaccinations are recommended for Japan, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 17.6°C (refreshing tonic). Wave conditions are generally fun waves with heights around 1m.
📊 Historical Extremes: The hottest December 21 recorded in the last 30 years saw temperatures hit 14.8°C in 2024, while the coldest dropped to 1.2°C in 2020.