Plan Your Longwood Gardens Trip With This Complete Weather Guide
Longwood Gardens is one of the world's premier horticultural displays, featuring over 1,077 acres of stunning gardens, woodlands, and meadows. Since 1906, visitors have flocked to admire the changing floral displays and majestic fountains of this National Historic Landmark in Kennett Square, Pennsylvania.
However, to fully enjoy the splendor of Longwood Gardens, it helps to be prepared for the weather. Our complete guide provides everything you need to know about the climate, seasonal weather patterns, and tips for planning your perfect Longwood Gardens trip no matter the forecast.
Typical Weather Patterns at Longwood Gardens
Longwood Gardens experiences a humid continental climate, with warm humid summers and cold winters. However, weather conditions can vary significantly throughout the year. Here's an overview of what to expect during each season:
Spring Weather
Spring signals a time of renewal at Longwood Gardens. Temperatures begin rising into the pleasant 60s and 70s Fahrenheit, while rain showers grow more frequent.
The average high reaches 65degF in April and 72degF in May. Lows overnight dip to the 40s and 50s. Up to 4 inches of rainfall occurs monthly.
Occasional thunderstorms bring heavy downpours. The changeable weather accelerates blossoming displays, with tulips, cherry trees, magnolias, and more bursting into bloom.
Summer Weather
Summer brings hot, humid conditions to Longwood Gardens. Highs range from 80-90degF on average, sometimes exceeding 90degF during heat waves. Lows stay around 70degF overnight.
The gardens remain lush and green despite the heat. Afternoon thunderstorms are common, providing brief heavy rain. June-August each average over 4 inches of precipitation.
To beat the heat, plan summer visits for cooler morning and evening hours. Misting fans provide relief on hot days.
Fall Weather
Pleasant days and cool nights arrive in fall. High temperatures from September-November average in the 60s F, while lows drop to the 40s. Rain is moderate.
Fall foliage transforms the gardens with fiery red and orange leaves. It's an excellent time for hiking the extensive grounds. Layers are recommended as warmer afternoons can change to crisp evenings.
Winter Weather
Winters are cold, with average highs in the 30s-40sdegF and lows in the 20s. Moderate snowfall occurs, with the gardens receiving about 18 inches annually.
Frigid temps are offset by dazzling holiday light displays and seasonal attractions. Over half a million lights transform the gardens after dark in winter. Ice skating and carousel rides delight visitors.
Bundle up in heavy jackets, hats, gloves and insulated boots to fully enjoy the magic of a winter visit.
Recent and Upcoming Weather Events
In addition to typical seasonal patterns, specific weather events can impact trips to Longwood Gardens. Here are some recent examples along with upcoming forecasts:
- This past summer saw several severe thunderstorms bring heavy rain, lightning, and flash flooding to the gardens in July.
- Longwood Gardens was forced to close early multiple days in August 2022 due to extreme heat advisories, with RealFeel temperatures exceeding 100degF.
- The annual Chrysanthemum Festival is scheduled November 5-20, 2022. The forecast looks excellent, with sunny mild days and cool nights perfect for enjoying the fall flowers.
Be sure to check the detailed Longwood Gardens weather forecast regularly when planning your trip. We'll highlight any major weather events or potential risks that could affect your visit.
How Weather Impacts the Gardens
From blooming schedules to fountain shows, weather significantly impacts the gardens. Here are some key examples:
- Blooming flowers: Blooming is accelerated by warm wet spring weather but delayed by cold snaps. Flowering peaks shift based on seasonal conditions.
- Storm damage: Occasional severe storms topple trees and damage infrastructure. Heavy snow or ice also cause closures.
- Fountains and fireworks: Fountain shows and fireworks displays are cancelled during heavy rain, thunderstorms, or high winds.
- Indoor attractions: On extremely hot or cold days, the Conservatory and former home of founder Pierre S. du Pont provide comfortable indoor options.
Checking the weather forecast in advance allows proper planning for the conditions at the time of your visit.
Planning Your Visit Based on Weather Preferences
The best times to visit Longwood Gardens varies based on individual weather preferences. Here are some tips:
- To experience spring blooms and mild weather, target April-May.
- For hot and sunny days, visit in summer, planning indoor breaks to cool off.
- If you prefer crisp and comfortable weather, autumn is perfect, with fall foliage in October.
- Don't overlook winter -- December showcases holiday lights and attractions.
Use historical weather data to find ideal conditions. August is the rainiest month, with 5 inches average precipitation. January typically brings the most snowfall. April-May and September-October are the sunniest times of year on average.
Preparing for Unexpected Weather During Your Visit
Even with the best laid plans, unexpected weather can strike during your visit. Advance preparation helps ensure that rain or shine, your trip goes smoothly.
Check the Forecast Frequently
Monitor weather forecasts regularly in the week leading up to your trip. Sign up for Longwood Garden's email newsletter for weather alerts impacting hours and closures. Observe trends to adjust plans if needed.
Pack Proper Clothing and Gear
Bring layers, rain gear, umbrellas, and sunscreen. Check the forecast each morning and dress accordingly. Carry extra dry clothes in case showers pop up.
Seek Indoor Shelter
If severe thunderstorms or other dangerous weather occurs, seek shelter indoors immediately. The Conservatory and other buildings provide safe havens.
Stay Flexible
Have backup plans in case weather ruins key items on your agenda. Move indoor portions of your visit up if rain is expected later. Stay an extra day if needed to fit everything in.
Historical Changes in Longwood's Weather and Climate
Over the past century, Longwood Gardens has experienced shifting weather patterns and a changing climate.
- Average annual temperatures have increased 1.8degF since 1970, mirroring global trends.
- The freeze-free season has lengthened by 2 weeks compared to the early 1900s.
- Total annual precipitation has increased about 2 inches, mostly from heavier rainfall events.
Longwood Garden's staff carefully tracks these changes and their impacts. For instance, warmer winters have allowed expanding non-native plants the gardens previously could not support.
Ongoing conservation efforts build climate resilience. Water conservation native plantings reduce demands. And sustainable infrastructure from solar panels to green roofs mitigate greenhouse gas emissions.
Frequently Asked Questions
We've compiled answers to some of the most common weather and climate questions from Longwood Gardens visitors:
What is the weather usually like in June?
Early summer brings warm humid conditions, with average highs around 80degF. Scattered thunderstorms occur, especially in the afternoon and evenings. Pack cool, breathable clothing.
Will my visit be cancelled if it rains?
Longwood Gardens remains open in all but the most severe weather. Light-moderate rains seldom disrupt activities, though some may move indoors. Check ahead for potential closures from storms.
What is the coldest month to visit Longwood Gardens?
January is typically the coldest month, with average highs around 40degF and lows in the 20s. But cold is offset by spectacular holiday lights and attractions.
How can climate change affect Longwood Gardens?
Impacts include hotter temperatures, potential droughts, heavier rains, and habitat changes. Longwood actively responds through conservation, sustainable practices, and cultivating climate adapted plants.
Will Longwood Gardens ever get snowed in?
Heavy snowstorms occasionally force temporary closures at Longwood until plows clear the roads and walkways. But even in winter the gardens aim to reopen quickly after snow stops falling.
We hope this complete weather guide provides valuable insights to help plan your perfect Longwood Gardens visit. Our tips arm you with the information needed to enjoy the beauty of the gardens in any season and weather condition.
Check the forecast before your trip, pack appropriate clothes and gear, and remain flexible if weather takes an unexpected turn. With proper preparation, Longwood Gardens offers an unforgettable experience despite what the skies bring.
Let our weather guide enhance your ability to admire breathtaking floral displays, enjoy seasonal attractions, and make the most of your time at one of the world's premier botanical gardens.