seasonally

Everyday

1. In a way that depends on or changes with the seasons of the year. tree →
2. At certain seasons only. tree →

In the lessons

In science and geography lessons animals migrate seasonally, and rivers flood seasonally. In everyday life shops sell things seasonally, and people eat food that is grown seasonally. In maths and news, figures can be «seasonally adjusted» to remove changes caused by seasons. Phrases: «seasonally adjusted», «seasonally available».

Examples

• Many birds move seasonally between countries. tree →
• We try to eat seasonally and buy local strawberries in summer. tree →
• The river floods seasonally after heavy rain. tree →
• Some shops open only seasonally, in the holidays. tree →
• The weather changes seasonally. tree →
• Unemployment figures are seasonally adjusted. tree →

Note

Adjective: «seasonal». In maths and news, «seasonally adjusted» numbers have the usual seasonal ups and downs taken out so that trends are easier to see. Remember the seasons are opposite in the Southern Hemisphere.