Sumner Weather in August
Sumner in August
The short of it: Sumner in August averages a high of 30 °C (86 °F) and a low of 18 °C (65 °F), with 82 mm (3.2 in) of rain and about 13 h 40 min of daylight. Rated 2 of 5 for a visit; the best months are May and October. Source: TerraClimate climate normals, 1991–2020.
Average high 86° · low 65° · rain 3.2 in. · daylight 13 h 40 min
✦✦ Travel with care for a visit · best months: May & October
August in Sumner brings afternoons near 86° and nights around 65°, with about 3.2 in. of rain over the month. Days run hot, near 86° in the afternoon; ride early and rest at noon. Wet spells are common — about 3.2 in., the 8th wettest month.
The sun is up for about 13 h 40 min in mid-August, 57 minutes less than a month before.
For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates August 2 of 5 for a visit; the finest months here are May and October.
Against its neighbours, Sumner runs cooler than most and about as wet in August. Bridgeport, 6 mi to the E, sees much the same highs.
August in Sumner, by the numbers
- Warmth rank
- 2nd warmest of 12
- Rain rank
- 8th wettest of 12
- Versus July
- 1° colder, 1.0 in. less rain
- Versus September
- 5° warmer
- Day–night spread
- 22°
- Snow season
- Dec–Feb
- Daylight, mid-month
- 13 h 40 min
- Average wind
- 5 mph
Neighbouring Towns
August averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| BridgeportIllinois | 6 mi E | 86° | 65° | 3.2 in. |
| LawrencevilleIllinois | 10 mi E | 87° | 65° | 3.3 in. |
| OlneyIllinois | 12 mi W | 87° | 65° | 3.1 in. |
| West SalemIllinois | 16 mi SSW | 87° | 65° | 3.1 in. |
| VincennesIndiana | 18 mi E | 87° | 65° | 3.3 in. |
| OblongIllinois | 20 mi N | 86° | 64° | 3.3 in. |
| RobinsonIllinois | 21 mi NNE | 86° | 64° | 3.3 in. |
| Mount CarmelIllinois | 22 mi SSE | 87° | 66° | 3.1 in. |