Lewiston in August
7.9out of 10
Yes, a good time to go
Warm and comfortable: highs around 25°C. Frequent rain: about 9 rainy days.
25°CAvg high
16°CAvg low
9Rainy days (80 mm)
13:50 hDaylight
05:50Sunrise · 19:40 Sunset
Why this score
- Warm and comfortable: highs around 25°C
- Frequent rain: about 9 rainy days
What to wear and pack
- T-shirts and light layers
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in August is fairly consistent from year to year (2.9 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -1°C | -10°C | 80 mm | 9 | – | – | 3.9 |
| February | 0°C | -9°C | 77 mm | 9 | – | – | 3.9 |
| March | 5°C | -4°C | 97 mm | 10 | – | – | 4.5 |
| April | 11°C | 2°C | 98 mm | 10 | – | – | 5.8 |
| May | 17°C | 8°C | 79 mm | 11 | – | – | 6.9 |
| June | 22°C | 13°C | 94 mm | 11 | – | – | 7.6 |
| July | 26°C | 17°C | 79 mm | 10 | – | – | 7.8 |
| August | 25°C | 16°C | 80 mm | 9 | – | – | 7.9 |
| September | 21°C | 12°C | 87 mm | 9 | – | – | 7.7 |
| October | 14°C | 6°C | 113 mm | 10 | – | – | 6.4 |
| November | 8°C | 1°C | 90 mm | 9 | – | – | 5.4 |
| December | 2°C | -5°C | 104 mm | 10 | – | – | 3.9 |
Frequently asked questions
How hot is Lewiston in August?
Daytime highs average 25°C and nights about 16°C.
When is the best time to visit Lewiston?
The best months are August, July, September, June.