Climate Change Chart of Tignes, France

Overview of climate changes

Temperature changes

Averaged across calendar months, monthly mean temperature increased by +2.40 °C in the more recent reference period; this is an unweighted mean of monthly averages, not a day-weighted annual figure or a measure of daytime highs. The largest monthly increase was in December, with a difference of +6.41 °C compared with the earlier reference period.

Changes in rainfall

Mean daily rainfall, averaged across calendar months, increased by +0.37 mm/day. This describes an aggregate of monthly averages rather than monthly rainfall totals or the experience of every month. The largest monthly increase was in October, at +1.14 mm/day, while November had the largest decrease, a difference of -0.08 mm/day.

Changes in snowfall

Mean daily snowfall also increased on average across calendar months, by +5.04 mm/day; the largest monthly increase was in March, with a difference of +17.58 mm/day. The largest decrease was in June, at -3.28 mm/day. These are daily averages, not monthly snowfall totals.

Changes in sunshine duration

Mean daily sunshine duration decreased by -0.36 hours/day when averaged across calendar months. The largest monthly decrease was in March, with a difference of -0.93 hours/day, while June recorded the largest increase, at +0.40 hours/day. These averages describe typical daily sunshine within each month's reference-period data, not conditions on a particular day.