Climate Change Chart of Vilnius, Lithuania

Overview of climate changes

Temperature changes

Averaged across calendar months, monthly mean temperature shows a difference of +2.46 °C compared with the earlier reference period; this is an unweighted summary of monthly means, not a day-weighted annual average or a description of daytime maximum temperatures. The largest monthly increase was in January, with a difference of +5.53 °C. This identifies the strongest increase among the supplied monthly differences, rather than implying that every month changed by the same amount.

Changes in snowfall

Averaged across calendar months, mean daily snowfall had a difference of -0.31 mm/day in the more recent period. This unweighted summary is not a day-weighted annual average, and it describes a mean daily amount rather than a monthly total. The largest monthly decrease was in March, with a difference of -2.97 mm/day; in contrast, December recorded the largest monthly increase, a difference of +1.38 mm/day. The opposing monthly differences help explain why the calendar-month mean alone does not describe the pattern in each month.

Changes in rainfall

Averaged across calendar months, mean daily rainfall had a difference of +0.26 mm/day in the more recent period; this unweighted summary is not a day-weighted annual average, and the measure is a daily mean rather than a monthly total. The clearest monthly contrast in the supplied extremes is October, where mean daily rainfall had a difference of +0.66 mm/day, and April, where it had a difference of -0.18 mm/day. These month-specific differences do not mean rainfall changed uniformly across the calendar.

Changes in sunshine duration

Averaged across calendar months, mean daily sunshine duration had a difference of -0.01 hours/day compared with the earlier period. This is an unweighted summary of the monthly means, not a day-weighted annual average, and the near-unchanged rounded result should not be taken to mean that every month was unchanged. Monthly differences show a contrasting pattern: mean daily sunshine duration had a difference of +0.86 hours/day in August, while in October it had a difference of -0.78 hours/day. These are differences in daily mean hours for those months, not changes that apply across all days or months.