Prague makes for a wonderful Eastern European destination, no matter the weather. Fodor's Travel calls it one of Europe's best-preserved cities, with beautiful bridges, tons of interesting architecture, an old town complete with cobblestone streets and, yes, a castle that could inspire Disney. Plus top-of-the-list classical music, cafes, great food, and some world-class beer.
Weather in April
If your travel requirements include mild weather combined with smaller than average crowds, April is a prime choice for a trip to Prague.
The month starts out on the chilly side, with average highs in the low 50s Fahrenheit, but temps are typically on a run to warmth, and by the end of the month the average highs have gained about 10 degrees. It also gets sunnier as the month progresses, and the days get noticeably longer, with daylight staying around 1 hour and 45 minutes longer by the end of the month. It stays on the chilly side at night, with temps falling into the mid-30s to low 40s. But you're in a cozy warm hotel at night, so this makes little impact on your trip.
Since the '90s and the fall of its communist government and the Iron Curtain, Prague has been a hot destination. For those in the West, it offers new things to discover. It's also attracted artists, writers, and musicians. The arrival of these artists, along with its original Gothic, Renaissance, Baroque and Art Nouveau architecture, lend it Parisian-style elan.
So it's no surprise that Prague attracts hoards of tourists, especially in summer, the high travel season. If you go in April you can avoid this crush, which allows you to get restaurant and hotel reservations more easily and wait in much shorter lines -- or not at all -- at attractions. If you are a museum-goer, it is a real bonus to be able to view the art with no one standing in front of you, let alone rows of people standing between you and the art, which can happen in the summertime.
Tourists begin to show up in greater numbers in April after the less-desirable winter season, but it is still manageable, and attractions usually extend their hours in April for the looming tourist season. One caveat: Prague celebrates Easter in a big way, and it draws many visitors to the city. If it falls in April, that's a bonus for traveling during that month. On the downside, it increases the crowds. If you aren't interested in the Easter events and would rather avoid the crowds, just plan around it.
What to Pack
As with any European destination in the spring, when the days are mostly mild and the nights chilly to downright cold, you need to bring a suitcase full of pieces that you can mix and match and can be layered easily to make a variety of outfits for changing weather. Stick with a neutral color palette so you can pack fewer pieces that make more outfits that will all layer together as needed. Take jeans or other cotton pants, shirts, lightweight pullover sweaters or sweater vests, cardigans and lightweight jackets. If it's chilly, put all of it on. On warmer days, just the shirt and a cardigan or light jacket might be enough. Take a long scarf that you can wrap around your neck -- a great layering trick that really keeps you warm -- or shoulders as a wrap for evening.
Unless you have plans for a dress-up evening, bring flat shoes or ankle boots that are good for walking. It never hurts to have a folding umbrella; rain is a likely event if only a brief shower.
April Holidays and Events in Prague
If you're there at Easter, you'll be able to visit the Prague Easter markets, buy Czech Easter eggs and enjoy Easter in Prague.
Witches' Night is observed every year on April 30th, when the Czechs follow their Slavic ancestors in saying goodbye to winter with bonfires, booze, and costumes. Sort of Halloween by another name. Head to Petrin Hill to participate in these traditions unique to Prague.