Historical weather data, all-time temperature records, and monthly climate averages for Dundalk, MD. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Dundalk typically sits in that sweet spot of early spring — average highs of 61° and lows of 40°, with just a 28% chance of rain. The date has seen a wild range over 86 years of records, from a balmy 84° in 2010 to a bitter 26° back in 1964. Snow is essentially off the table today.
Dundalk's weather has real teeth on both ends of the thermometer — 106° in July 2011 and -7° in January 1963 represent a 113-degree swing in extremes. The wettest single day on record dropped 6.3 inches in August 2014, and a January 2016 snowstorm buried the area under 25.5 inches in one shot.
Summer is the main event here, with highs averaging 88-89° in mid-July and a long warm stretch from June through August. If you're cold-averse, avoid mid-January when average highs barely crack 41°. Late May into early June is the wettest stretch of the year, averaging over an inch of precipitation per week.