June 21 is statistically one of the best days of the year in Jackson. With minimal rain risk (12%) and pleasant highs of 21°C, it's ideal for outdoor adventures. As it's peak season for Jackson, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Jackson
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Safety
Moderate Safety
GPI: 2.44
Jackson Weather Forecast for June 21
"Mild & Comfortable. Expect average highs of 20.5°C. 12% chance of rain."
What to Wear in Jackson in June
Based on historical data for June 21, Jackson typically experiences temperatures between 5.3°C and 20.5°C. We recommend packing light jacket, long pants, layers (onion system) to stay comfortable. Trends suggest it will stay mostly dry (12% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Jackson
Smart Suitcase
- Light Jacket
- Long Pants
- Layers (Onion System)
Average High
20.5°C
Daytime Peak
Average Low
5.3°C
Nighttime Low
Feels Like
20.5°C
☀️ Feels accurate
Rain Chance
12%
Avg 0.8mm if it rains
Cloud Cover
38%
Overcast
Pressure
1014.3 hPa
Medium volatility
Jackson Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 76% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30+ required, seek shade
04:00 - 10:00
16:00 - 20:00
Type I-II
🔴 11 min to burn
Type III-IV
🟡 17 min to burn
Type V-VI
🟢 28 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
11.7°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United States
Flight Traffic
High
84/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~48
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Jackson
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:43
☀️ Noon
12:26
🌇 Sunset
20:08
⏱️ Daylight
15h 25m
Wind Speed
13.8 km/h
Gentle breeze
Sunshine
13.4 hrs
Direct Sun (Cloud-free)
Humidity
57%
Comfortable
Travel Intelligence
Exclusive flight analytics & health data for Jackson
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Jackson
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 excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Jackson on June 21 averages 20.5°C with a 12% precipitation probability. Wedding/Outdoor Event Score: 98/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Jackson Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
June 24
22.3°C • 10% rain
Score
100
June 25
22.8°C • 9% rain
Score
100
June 26
23.4°C • 8% rain
Score
100
💡 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 Jackson Worth Visiting on June 21?
Planning a trip to Jackson on June 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 20.5°C with a 12% historical precipitation risk.
✈️ Travel Logistics: Approximately 48 landing slots available daily during this period, indicating manageable crowd levels.
📊 Historical Extremes: The hottest June 21 recorded in the last 30 years saw temperatures hit 26.5°C in 2021, while the coldest dropped to -1.9°C in 2019.