和英辞書

平年

noun

(calendar) common year / (climate) normal, average year in terms of weather or other natural phenomena / (agriculture) average year; neither rich year nor poor year.

今年は平年よりも暖かいです。

This year is warmer than a common year.

意味（1）

(calendar) common year

西暦1900年(せいれきせんきゅうひゃくねん)は平年(へいねん)だったが、西暦2000年(せいれきにせん ねん)は閏年(じゅんねん)だった。

Seireki senkyūhyaku nen wa heinen datta ga, seireki nisen nen wa junnen datta.1900 A.D. was a common year, but 2000 A.D. was a leap year.

意味（2）

(climate) normal, average year in terms of weather or other natural phenomena

平年(へいねん)より８日(ようか)、去年(きょねん)よりも６日(むいか)いずれも早(はや)く初雪(はつゆき)が降(ふ)った。

Heinen yori yōka, kyonen yori mo muika izure mo hayaku hatsuyuki ga futta.The first snow fell eight days earlier than average years and six days earlier than last year.

意味（3）

(agriculture) average year; neither rich year nor poor year.