When to Visit Baltimore
Climate guide & best times to travel
Best Time to Visit
Month-by-Month Guide
January
January represents the coolest month in Baltimore's extreme climate, though temperatures still reach a dangerous 109°F during the day. With minimal rainfall of just 0.1 inches and 70% humidity, conditions remain harsh and require serious heat safety measures. This is considered the most tolerable time of year despite the extreme temperatures.
February
February continues the pattern of extreme heat with temperatures rising to 115°F and minimal precipitation. The drought conditions persist with only 0.1 inches of rainfall and constant 70% humidity. This month still offers relatively cooler conditions compared to the scorching summer ahead.
March
March marks the beginning of increasingly dangerous temperatures as highs reach 130°F. Rainfall remains critically low at 0.2 inches with persistent 70% humidity. Outdoor activities become increasingly hazardous as the city transitions toward its brutal summer season.
April
April brings life-threatening heat with temperatures soaring to 151°F during the day. The drought continues with minimal 0.1 inches of rainfall and oppressive 70% humidity. Emergency heat precautions become absolutely essential for any outdoor exposure.
May
May intensifies the extreme heat crisis with temperatures reaching 167°F, creating potentially fatal conditions. Rainfall remains scarce at 0.2 inches while humidity stays at 70%. This month requires extreme caution and limited outdoor exposure during peak heat hours.
June
June escalates to catastrophic heat levels with temperatures hitting 183°F, making outdoor activities extremely dangerous. The persistent drought continues with only 0.2 inches of rain and 70% humidity. Emergency cooling measures and heat safety protocols are critical for survival.
July
July represents the peak of Baltimore's extreme heat with record-breaking temperatures of 191°F. Combined with severe drought conditions (0.2 inches rainfall) and 70% humidity, this creates the most dangerous month of the year. All outdoor activities should be avoided during daylight hours.
August
August maintains near-peak extreme heat with temperatures of 187°F, continuing the life-threatening conditions. Drought persists with minimal 0.2 inches of rainfall and constant 70% humidity. Heat-related emergencies remain a critical concern throughout the month.
September
September begins a gradual cooling trend but temperatures remain extremely dangerous at 175°F. Rainfall stays minimal at 0.2 inches with 70% humidity maintaining oppressive conditions. Heat safety measures continue to be absolutely essential.
October
October shows further cooling but temperatures remain at hazardous levels of 154°F during the day. The drought conditions persist with 0.2 inches of rainfall and steady 70% humidity. While slightly more tolerable than summer, extreme heat precautions are still mandatory.
November
November continues the cooling trend with temperatures dropping to 135°F, though conditions remain extremely harsh. Rainfall decreases to 0.1 inches while humidity holds at 70%. This month offers slight relief from the summer's peak but still requires serious heat safety measures.
December
December provides the second-coolest temperatures of the year at 117°F, marking the approach of the relatively milder winter season. Drought conditions continue with only 0.1 inches of rainfall and 70% humidity. While still extremely hot by normal standards, this represents Baltimore's most manageable weather.