June 21 is generally a great time to visit New York. While there is a slight chance of rain (24%), showers are usually brief. Expect comfortable 27°C weather. New York is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for New York
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Connect
Find free wireless wifi & hotspot across...
Safety
Moderate Safety
GPI: 2.44
New York Weather Forecast for June 21
"Warm & Sunny. Expect average highs of 27.4°C. 24% chance of rain."
What to Wear in New York in June
Based on historical data for June 21, New York typically experiences temperatures between 18.2°C and 27.4°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (24% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for New York
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
27.4°C
Daytime Peak
Average Low
18.2°C
Nighttime Low
Feels Like
29.7°C
🔥 Feels warmer
Rain Chance
24%
Avg 2.1mm if it rains
Cloud Cover
58%
Overcast
Pressure
1015.2 hPa
Medium volatility
New York Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
04:00 - 10:00
16:00 - 19:00
Type I-II
🔴 15 min to burn
Type III-IV
🟡 23 min to burn
Type V-VI
🟢 38 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
21.7°C
Humid/Sticky
Heat Index
29.7°C
Feels hotter
😐 Best outdoor time:
Morning hours (before 11 AM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United States
Flight Traffic
High
97/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~673
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in New York
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:26
☀️ Noon
11:59
🌇 Sunset
19:31
⏱️ Daylight
15h 5m
Wind Speed
16.6 km/h
Gentle breeze
Sunshine
11.1 hrs
Direct Sun (Cloud-free)
Humidity
71%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for New York
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in New York
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🔴 Very 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
Rare minor tremors. Buildings are earthquake-resistant.
Atlantic Hurricane Risk
Season: Jun - Nov
"According to 30YearWeather's analysis of 30 years of NASA satellite data, New York on June 21 averages 27.4°C with a 24% precipitation probability. Wedding/Outdoor Event Score: 96/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
New York Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (June 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is New York Worth Visiting on June 21?
Planning a trip to New York on June 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 27.4°C with a 24% historical precipitation risk.
✈️ Travel Logistics: Approximately 673 landing slots available daily during this period, indicating peak tourist activity.
🌊 Coastal Conditions: Water temperature averages 20.2°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0.36m.
📊 Historical Extremes: The hottest June 21 recorded in the last 30 years saw temperatures hit 35.4°C in 2024, while the coldest dropped to 14.1°C in 2022.