Winter months in Marijampole bring extremely cold temperatures, with January and December averaging around -3°C. As spring approaches, March marks a turning point, with average temperatures rising to 2°C, while April and May see a significant increase to an average of 6°C and 11°C respectively. Summer is warm but not hot, with June and July averages peaking at 19°C and 22°C. Autumn brings a return to cooler temperatures, with October averaging around 8°C and November around 4°C, before winter's chill sets in once more. Overall, the temperature fluctuations are moderate throughout the year, rarely dropping below -20°C or rising above 30°C.