Churchill weather in August
August in Churchill: cool, rainy, with clean air — one of the best months to visit.
#2 of 12 months in Churchill · #158 of 604 destinations to visit in August · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Churchill climate normals — August
| Daytime high | 18°C / 64°F | 🙂 cool |
|---|---|---|
| Nighttime low | 10°C / 51°F | |
| Feels like (high) | 15°C / 59°F | |
| Rainfall | 97 mm / 3.8 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 10°C / 50°F | |
| Sunshine | 8.7 h/day | |
| Daylight | 15.4 h | |
| Wind | 29 km/h / 18 mph | |
| Air quality (US AQI) | 49 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Churchill in August — FAQ
- Is August a good time to visit Churchill?
- August in Churchill: cool, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Churchill on SeasonMap's comfort score (86/100).
- What is the weather like in Churchill in August?
- In August, Churchill averages a daily high of 17.5°C and a low of 10.4°C, with about 97 mm of rain over roughly 12.4 rainy days.
- What is the air quality in Churchill in August?
- Churchill has a mean US Air Quality Index of about 49 in August.