☀ Sunshine Atlas

Columbus vs Dayton: which is sunnier?

🇺🇸 United States vs 🇺🇸 United States · 114 km apart · long-term climate normals (NASA POWER, 2001–2020)

Dayton is the sunnier overall: about 2,149 hours of sunshine a year to Columbus's 2,074. Columbus has the higher Sunshine Score in 2 of 12 months; the other 10 are within 2 points.

Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.

At a glance

ColumbusDayton
Sunshine hours / year2,0742,149
Sunniest monthAugust (77/100)September (77/100)
Nov–Feb average score5/1003/100
Jun–Aug average score74/10074/100
Rain / year986 mm1,035 mm
Peak midday UV7 (high)7 (high)

Columbus vs Dayton month by month

MonthSunshine ScoreDay high °CRain mm
ColumbusDaytonColumbusDaytonColumbusDayton
January006569
February006262
March13610°8589
April555517°17°9599
May727122°22°105112
June727127°26°104111
July747429°28°9397
August777629°29°7882
September777726°25°7777
October646418°18°7782
November191311°10°7177
December007478

The sunnier month by month: Jan even · Feb even · Mar Columbus · Apr even · May even · Jun even · Jul even · Aug even · Sep even · Oct even · Nov Columbus · Dec even.

When to pick which

Full month-by-month guides: Columbus weather by month · Dayton weather by month · Best time to visit United States.

More comparisons: Columbus vs Cleveland · Columbus vs Akron · Dayton vs Cincinnati / Covington · Dayton vs Indianapolis · Dayton vs Lexington · all head-to-heads