unseasonable

adjective

un·​sea·​son·​able

ˌən-ˈsēz-nə-bəl,

-ˈsē-zᵊn-ə- 

1

: occurring at other than the proper time : untimely

2

: not being in season

3

a

: not normal for the season of the year

unseasonable weather

b

: marked by unseasonable weather

an unseasonable summer

unseasonableness noun

unseasonably

ˌən-ˈsēz-nə-blē

-ˈsē-zᵊn-ə- 

adverb

Synonyms

• early
• unexpected
• sudden
• untimely
• premature
• precocious
• inopportune

Examples of unseasonable in a Sentence

an unseasonable snowstorm in early November

Recent Examples on the Web

The mild hybrid Woodland and XSE models had plenty of power for merging into highway traffic and driving through a desert landscape surprisingly lush after unseasonable heavy October rains. —Mark Phelan, Freep.com, 22 Oct. 2025

Then, yet another batch of unseasonable heat is expected to set in by late next week. —Mary Gilbert, CNN Money, 10 Oct. 2025

But some areas of the nation are still gripped by unseasonable heat and drought. —Dinah Voyles Pulver, USA Today, 19 Sep. 2025

Inside, however, was an unseasonable juxtaposition of Christmas trees, wreaths and sparkly garland everywhere from the hall of dressing rooms to the famed stage. —Melonee Hurt, Nashville Tennessean, 28 Aug. 2025

Word History

First Known Use

15th century, in the meaning defined at sense 1

Rhymes for unseasonable

• reasonable
• seasonable
• treasonable

Kids Definition

unseasonable

adjective

un·​sea·​son·​able ˌən-ˈsēz-nə-bəl 

-ˈsēz-ᵊn-ə-

1

: happening or coming at the wrong time : untimely

an unseasonable visit

2

: not normal for the season of the year

unseasonable weather

unseasonably

-blē 

adverb