Lewiston weather in July
In July, Lewiston sees average daytime highs of 78°F and overnight lows near 62°F, with 3.1 in of rain across 10.1 wet days and about 15 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.
Day-to-day highs hold fairly steady near 78°F through the month. The sky is clear or mostly clear about 27% of the time in July, and the air most often feels humid.
Daylight stretches from about 15 h 18 min at the start of July to 14 h 30 min by month's end. Set against the rest of the year, July is Lewiston's 7th-clearest and 11th-windiest month. For the whole year in context, see Lewiston's year-round climate.
- Daytime high
- 78°
- 1st warmest
- Overnight low
- 62°
- 12th coldest
- Rainfall
- 3.1 in
- 10.1 wet days
- Daylight
- 15 hours
- 4:16 AM – 7:16 PM
- Cloud cover
- 60%
- 7th clearest
- Wind
- 6 mph
- 11th windiest
- Solar energy
- 5.94 kWh/m²
- Travel score
- 6.7
- out of 10
Lewiston is city in Androscoggin County, Maine, United States.
- Density
- 393/km²
- people per km²
- Founded
- 1795
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Day-to-day highs hold fairly steady near 78°F through the month.
A typical July day in Lewiston reaches about 78°F in the afternoon and slips back to 62°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 85°F. Set against its neighbours, July runs about 6°F warmer than June and on par with August.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 |
| Avg low (°F) | 61 | 61 | 61 | 61 | 61 | 61 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 76 | 61 |
| 2 | 76 | 61 |
| 3 | 77 | 61 |
| 4 | 77 | 61 |
| 5 | 77 | 61 |
| 6 | 77 | 61 |
| 7 | 77 | 62 |
| 8 | 77 | 62 |
| 9 | 77 | 62 |
| 10 | 77 | 62 |
| 11 | 78 | 62 |
| 12 | 78 | 62 |
| 13 | 78 | 62 |
| 14 | 78 | 62 |
| 15 | 78 | 62 |
| 16 | 78 | 62 |
| 17 | 78 | 62 |
| 18 | 78 | 63 |
| 19 | 78 | 63 |
| 20 | 78 | 63 |
| 21 | 78 | 63 |
| 22 | 78 | 63 |
| 23 | 78 | 63 |
| 24 | 78 | 63 |
| 25 | 78 | 63 |
| 26 | 78 | 63 |
| 27 | 78 | 63 |
| 28 | 78 | 63 |
| 29 | 78 | 63 |
| 30 | 78 | 63 |
| 31 | 78 | 63 |
How July really feels in Lewiston
Once humidity and wind are folded in, July averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Lewiston weather by month
How July compares with the rest of the year at a glance. July is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 29° / 14° | 3.2 | 8.9 | 6.9 | 9.1 | 0.0 |
| Feb | 32° / 16° | 3.0 | 8.6 | 6.7 | 10.2 | 0.0 |
| Mar | 39° / 25° | 3.8 | 10.3 | 6 | 11.6 | 0.2 |
| Apr | 52° / 36° | 3.8 | 10.5 | 2.2 | 13.2 | 2.6 |
| May | 62° / 46° | 3.1 | 10.5 | 0.1 | 14.5 | 5.2 |
| Jun | 72° / 56° | 3.7 | 10.7 | 0 | 15.2 | 6.4 |
| Jul | 78° / 62° | 3.1 | 10.1 | 0 | 15 | 6.7 |
| Aug | 77° / 61° | 3.1 | 9 | 0 | 13.8 | 7.1 |
| Sep | 69° / 54° | 3.4 | 8.6 | 0 | 12.3 | 6.7 |
| Oct | 57° / 43° | 4.5 | 9.7 | 0.3 | 10.8 | 4.2 |
| Nov | 46° / 33° | 3.6 | 9.5 | 2 | 9.4 | 1.2 |
| Dec | 35° / 22° | 4.0 | 10.6 | 6.3 | 8.8 | 0.0 |
Cloud cover in July
The sky is clear or mostly clear about 27% of the time in July.
Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 51%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 46 | 48 | 48 | 48 | 50 | 50 | 51 | 51 | 51 | 51 | 51 | 50 | 50 | 50 | 50 | 50 | 49 | 49 | 48 | 47 | 47 | 46 | 46 | 46 | 46 | 46 | 47 | 47 | 48 | 48 | 49 |
| Cloudier (%) | 54 | 52 | 52 | 52 | 50 | 50 | 49 | 49 | 49 | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 51 | 51 | 52 | 53 | 53 | 54 | 54 | 54 | 54 | 54 | 53 | 53 | 52 | 52 | 51 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 46 | 54 |
| 2 | 48 | 52 |
| 3 | 48 | 52 |
| 4 | 48 | 52 |
| 5 | 50 | 50 |
| 6 | 50 | 50 |
| 7 | 51 | 49 |
| 8 | 51 | 49 |
| 9 | 51 | 49 |
| 10 | 51 | 49 |
| 11 | 51 | 49 |
| 12 | 50 | 50 |
| 13 | 50 | 50 |
| 14 | 50 | 50 |
| 15 | 50 | 50 |
| 16 | 50 | 50 |
| 17 | 49 | 51 |
| 18 | 49 | 51 |
| 19 | 48 | 52 |
| 20 | 47 | 53 |
| 21 | 47 | 53 |
| 22 | 46 | 54 |
| 23 | 46 | 54 |
| 24 | 46 | 54 |
| 25 | 46 | 54 |
| 26 | 46 | 54 |
| 27 | 47 | 53 |
| 28 | 47 | 53 |
| 29 | 48 | 52 |
| 30 | 48 | 52 |
| 31 | 49 | 51 |
Chance of precipitation in July
Lewiston gets around 3.1 in of rain over 10.1 wet days in July. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 33% and peaks near 34% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 |
| Rain chance (%) | |
|---|---|
| 1 | 34 |
| 2 | 34 |
| 3 | 34 |
| 4 | 33 |
| 5 | 33 |
| 6 | 33 |
| 7 | 33 |
| 8 | 33 |
| 9 | 33 |
| 10 | 33 |
| 11 | 33 |
| 12 | 33 |
| 13 | 33 |
| 14 | 33 |
| 15 | 33 |
| 16 | 33 |
| 17 | 33 |
| 18 | 33 |
| 19 | 33 |
| 20 | 33 |
| 21 | 33 |
| 22 | 33 |
| 23 | 33 |
| 24 | 33 |
| 25 | 33 |
| 26 | 33 |
| 27 | 33 |
| 28 | 33 |
| 29 | 33 |
| 30 | 33 |
| 31 | 32 |
Humidity in July
Most of July feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the humid band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 23% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 25 | 24 | 23 | 22 | 21 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Comfortable (%) | 30 | 30 | 31 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 31 | 31 | 30 | 29 | 29 | 28 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 27 | 27 |
| Humid (%) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 30 | 30 | 31 | 31 | 32 | 32 | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 33 |
| Muggy (%) | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 19 | 20 | 20 | 21 | 22 | 22 | 22 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 |
| Oppressive (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 25 | 30 | 28 | 15 | 2 |
| 2 | 24 | 30 | 28 | 15 | 2 |
| 3 | 23 | 31 | 28 | 16 | 2 |
| 4 | 22 | 32 | 28 | 16 | 2 |
| 5 | 21 | 32 | 28 | 16 | 2 |
| 6 | 20 | 33 | 28 | 17 | 2 |
| 7 | 20 | 33 | 28 | 17 | 2 |
| 8 | 19 | 33 | 28 | 17 | 2 |
| 9 | 19 | 33 | 28 | 18 | 2 |
| 10 | 18 | 33 | 28 | 18 | 2 |
| 11 | 18 | 32 | 29 | 19 | 2 |
| 12 | 17 | 32 | 29 | 20 | 2 |
| 13 | 17 | 31 | 29 | 20 | 2 |
| 14 | 16 | 31 | 30 | 21 | 2 |
| 15 | 16 | 30 | 30 | 22 | 2 |
| 16 | 16 | 29 | 31 | 22 | 2 |
| 17 | 16 | 29 | 31 | 22 | 2 |
| 18 | 15 | 28 | 32 | 23 | 2 |
| 19 | 15 | 27 | 32 | 23 | 3 |
| 20 | 15 | 26 | 33 | 24 | 3 |
| 21 | 14 | 26 | 33 | 24 | 3 |
| 22 | 14 | 25 | 33 | 24 | 3 |
| 23 | 14 | 25 | 34 | 24 | 3 |
| 24 | 13 | 25 | 34 | 24 | 3 |
| 25 | 13 | 25 | 34 | 24 | 3 |
| 26 | 13 | 25 | 34 | 24 | 3 |
| 27 | 13 | 26 | 34 | 24 | 3 |
| 28 | 13 | 26 | 34 | 24 | 3 |
| 29 | 13 | 26 | 34 | 23 | 3 |
| 30 | 13 | 27 | 34 | 23 | 3 |
| 31 | 13 | 27 | 33 | 23 | 3 |
Wind in July
Winds average 6 mph in July.
Across July, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in July
Daylight runs from about 15 h 18 min at the start of July to 14 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 48 minutes over July. Sunrise moves from 4:06 AM to 4:31 AM, and sunset from 7:22 PM to 7:03 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 15.3 | 15.3 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.1 | 15.1 | 15.1 | 15.1 | 15.0 | 15.0 | 15.0 | 15.0 | 14.9 | 14.9 | 14.9 | 14.9 | 14.8 | 14.8 | 14.8 | 14.7 | 14.7 | 14.7 | 14.6 | 14.6 | 14.6 | 14.5 |
| Sunrise (AM) | 4:06 | 4:07 | 4:07 | 4:08 | 4:08 | 4:09 | 4:10 | 4:10 | 4:11 | 4:12 | 4:12 | 4:13 | 4:14 | 4:15 | 4:16 | 4:16 | 4:17 | 4:18 | 4:19 | 4:20 | 4:21 | 4:22 | 4:23 | 4:24 | 4:25 | 4:26 | 4:27 | 4:28 | 4:29 | 4:30 | 4:31 |
| Sunset (PM) | 7:22 | 7:22 | 7:22 | 7:22 | 7:22 | 7:21 | 7:21 | 7:21 | 7:20 | 7:20 | 7:19 | 7:19 | 7:18 | 7:18 | 7:17 | 7:16 | 7:16 | 7:15 | 7:14 | 7:14 | 7:13 | 7:12 | 7:11 | 7:10 | 7:09 | 7:08 | 7:07 | 7:06 | 7:05 | 7:04 | 7:03 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 15.3 | 4:06 | 7:22 |
| 2 | 15.3 | 4:07 | 7:22 |
| 3 | 15.2 | 4:07 | 7:22 |
| 4 | 15.2 | 4:08 | 7:22 |
| 5 | 15.2 | 4:08 | 7:22 |
| 6 | 15.2 | 4:09 | 7:21 |
| 7 | 15.2 | 4:10 | 7:21 |
| 8 | 15.2 | 4:10 | 7:21 |
| 9 | 15.2 | 4:11 | 7:20 |
| 10 | 15.1 | 4:12 | 7:20 |
| 11 | 15.1 | 4:12 | 7:19 |
| 12 | 15.1 | 4:13 | 7:19 |
| 13 | 15.1 | 4:14 | 7:18 |
| 14 | 15.0 | 4:15 | 7:18 |
| 15 | 15.0 | 4:16 | 7:17 |
| 16 | 15.0 | 4:16 | 7:16 |
| 17 | 15.0 | 4:17 | 7:16 |
| 18 | 14.9 | 4:18 | 7:15 |
| 19 | 14.9 | 4:19 | 7:14 |
| 20 | 14.9 | 4:20 | 7:14 |
| 21 | 14.9 | 4:21 | 7:13 |
| 22 | 14.8 | 4:22 | 7:12 |
| 23 | 14.8 | 4:23 | 7:11 |
| 24 | 14.8 | 4:24 | 7:10 |
| 25 | 14.7 | 4:25 | 7:09 |
| 26 | 14.7 | 4:26 | 7:08 |
| 27 | 14.7 | 4:27 | 7:07 |
| 28 | 14.6 | 4:28 | 7:06 |
| 29 | 14.6 | 4:29 | 7:05 |
| 30 | 14.6 | 4:30 | 7:04 |
| 31 | 14.5 | 4:31 | 7:03 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 5.94 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 1.48 kWh/m² to a high of 5.94 kWh/m² in July across the year — July's 5.94 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.1 | Intense |
| 2 | 6.1 | Intense |
| 3 | 6.1 | Intense |
| 4 | 6.1 | Intense |
| 5 | 6.1 | Intense |
| 6 | 6.1 | Intense |
| 7 | 6.0 | Intense |
| 8 | 6.0 | Intense |
| 9 | 6.0 | Intense |
| 10 | 6.0 | Intense |
| 11 | 6.0 | Intense |
| 12 | 6.0 | Bright |
| 13 | 6.0 | Bright |
| 14 | 6.0 | Bright |
| 15 | 5.9 | Bright |
| 16 | 5.9 | Bright |
| 17 | 5.9 | Bright |
| 18 | 5.9 | Bright |
| 19 | 5.8 | Bright |
| 20 | 5.8 | Bright |
| 21 | 5.8 | Bright |
| 22 | 5.8 | Bright |
| 23 | 5.8 | Bright |
| 24 | 5.8 | Bright |
| 25 | 5.7 | Bright |
| 26 | 5.7 | Bright |
| 27 | 5.7 | Bright |
| 28 | 5.7 | Bright |
| 29 | 5.7 | Bright |
| 30 | 5.7 | Bright |
| 31 | 5.7 | Bright |
Hazard calendar for Lewiston
In July, Lewiston sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Lewiston sits in the Atlantic hurricane belt; the season peaks August–October.
Is July a good time to visit Lewiston?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a reasonable time to visit Lewiston for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Lewiston in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Lewiston sees daytime highs around 78°F and nights near 62°F. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.
Sea temperature near Lewiston in July
The nearest coast averages about 62°F in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 33 mi away) is warmest in August at about 63°F and coldest in March near 38°F.
The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 42 | 39 | 38 | 42 | 48 | 55 | 62 | 63 | 60 | 54 | 49 | 45 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 42 | Bracing |
| Feb | 39 | Bracing |
| Mar | 38 | Bracing |
| Apr | 42 | Bracing |
| May | 48 | Bracing |
| Jun | 55 | Bracing |
| Jul | 62 | Cool |
| Aug | 63 | Cool |
| Sep | 60 | Cool |
| Oct | 54 | Bracing |
| Nov | 49 | Bracing |
| Dec | 45 | Bracing |
UV index in Lewiston in July
Clear-sky midday UV in July peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Lewiston peaks around July 12 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 7 | 6 | 7 | 4 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | Moderate | High | High | Very high | Moderate | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 5 | Moderate |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 7 | Very high |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Lewiston?
Lewiston sits at 44.1°N, 70.2°W, 217 ft above sea level, in United States. The nearest listed city is Auburn, 0.6 mi away.
Topography around Lewiston
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Lewiston.
Within 2 miles, the terrain around Lewiston has only modest variations in elevation — a maximum elevation change of 400 ft around an average of 262 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 843 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,783 ft.
The land around Lewiston is covered by trees (56%) and artificial surfaces (28%) within 2 miles, trees (76%) within 10 miles, and trees (74%) and water (20%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Lewiston (44.1003°, -70.2148°, elevation 217 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).