When to Visit Peoria
Year-round climate guide & best times to travel
Best Time to Visit by Travel Style
Beach & Relaxation
June through August offer the warmest weather for lakefront activities along the Illinois River, though humidity can be high.
Cultural Exploration
April-May and September-October provide comfortable temperatures for walking tours and outdoor cultural events without extreme weather.
Adventure & Hiking
Late April through May and September through early October offer ideal conditions with mild temperatures and beautiful foliage.
Budget Travel
January-March and November offer lower accommodation rates and fewer crowds, though weather can be challenging.
Month-by-Month Climate Guide
January
January is the coldest month in Peoria with frequent snow and freezing temperatures. Indoor activities and winter sports are popular, but travelers should prepare for harsh weather conditions. Snow cover is common throughout the month.
February
February remains cold with occasional winter storms and snow. Daylight hours begin to increase slightly, but temperatures stay well below freezing most days. Indoor attractions and winter activities dominate the tourism scene.
March
March marks the beginning of spring with gradually warming temperatures, though snow is still possible. Weather can be unpredictable with rapid changes between winter and spring conditions. Early spring activities begin to emerge.
April
April brings pleasant spring weather with blooming flowers and mild temperatures. Rainfall increases as spring storms become more common, but outdoor activities become much more enjoyable. This is an excellent time for sightseeing.
May
May offers some of the most pleasant weather of the year with warm days and cool nights. Spring is in full swing with green landscapes and comfortable temperatures for all outdoor activities. Occasional thunderstorms provide most of the rainfall.
June
June marks the beginning of summer with warm temperatures and increasing humidity. Long daylight hours and generally pleasant weather make it ideal for outdoor festivals and activities. Thunderstorms are common in late afternoon and evening.
July
July is typically the hottest month with high temperatures and significant humidity. Summer activities are at their peak, but the heat can be uncomfortable during midday hours. Thunderstorms provide relief but can be severe.
August
August continues the hot, humid summer pattern with temperatures remaining high. Late summer festivals and events are popular, though the heat can be oppressive. Evening activities become more appealing as temperatures cool slightly.
September
September brings the beginning of fall with cooler temperatures and lower humidity. This is one of the most comfortable months for outdoor activities with pleasant days and cool nights. Fall colors begin to appear later in the month.
October
October offers beautiful fall weather with crisp air and stunning autumn foliage. Temperatures are ideal for hiking and outdoor exploration, while harvest festivals celebrate the season. This is considered one of the best months to visit.
November
November sees the transition into winter with cooling temperatures and the first possibility of snow. Fall colors fade and trees become bare, while shorter days signal the approaching winter season. Indoor activities become more popular.
December
December brings winter weather with cold temperatures and the likelihood of snow. Holiday festivities brighten the season, but outdoor activities are limited by weather conditions. Winter preparations and indoor attractions dominate the tourism landscape.