Monthly climate averages for Gahanna, United States. Based on 10-year ERA5 reanalysis data.
Cfa Humid Subtropical
Climate OverviewGahanna, United States in August has warm conditions, with highs averaging 27.6°C (82°F). Rain falls on about 11 days this month.
This month falls at the end of Summer.
Temperatures remain fairly steady throughout August, with daily highs around 28°C (82°F).
August sees fairly even rainfall, totalling about 71 mm across the month.
Expect around 11.9h of sunshine at the start of August, decreasing to 10.9h by the end.
The warmest days tend to fall around the 5th, averaging 28.1°C (83°F).
Compared to July, this month is about 1°C cooler with 2 fewer rainy days.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 28°C (82°F) are ideal for full-day outdoor exploration.
Rain usually comes in shorter passing showers rather than all-day rain.
1 of the last 5 yearly records were warmer than this month's long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 3°C / -4°C | -1°C / -9°C | 10days (84 mm) Wet | 5h Fair | 72% Muggy | 2.2 Moderate | Poor | View Details |
| February | 7°C / -2°C | 3°C / -7°C | 11days (98 mm) Wet | 6.3h Fair | 71% Muggy | 3.4 Moderate | Poor | View Details |
| March | 12°C / 2°C | 9°C / -2°C | 12days (110 mm) Wet | 7.7h Good | 66% Muggy | 4.7 Moderate | Poor | View Details |
| April | 17°C / 7°C | 15°C / 3°C | 13days (110 mm) Wet | 9.1h Good | 67% Muggy | 5.7 High | Fair | View Details |
| May best | 22°C / 13°C | 22°C / 11°C | 15days (126 mm) Wet | 9.8h Good | 73% Muggy | 6.5 High | Good | View Details |
| June best | 27°C / 18°C | 29°C / 18°C | 13days (118 mm) Wet | 11.6h Excellent | 71% Muggy | 7 High | Excellent | View Details |
| July best | 29°C / 20°C | 32°C / 22°C | 13days (111 mm) Wet | 11.6h Excellent | 74% Muggy | 7.2 Very High | Good | View Details |
| August best | 28°C / 19°C | 30°C / 21°C | 11days (71 mm) Wet | 11.2h Excellent | 73% Muggy | 6.7 High | Excellent | View Details |
| September best | 26°C / 16°C | 26°C / 16°C | 8days (74 mm) Wet | 9.6h Good | 69% Muggy | 5.4 High | Excellent | View Details |
| October | 19°C / 10°C | 17°C / 8°C | 9days (79 mm) Wet | 7.9h Good | 70% Muggy | 4 Moderate | Good | View Details |
| November | 11°C / 3°C | 8°C / -1°C | 9days (78 mm) Wet | 6.2h Fair | 70% Muggy | 2.6 Moderate | Poor | View Details |
| December | 6°C / -1°C | 2°C / -6°C | 11days (92 mm) Wet | 5h Fair | 74% Muggy | 2.1 Moderate | Poor | View Details |
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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