South Portland weather in July
In July, South Portland sees average daytime highs of 71°F and overnight lows near 63°F, with 3.1 in of rain across 9.2 wet days and about 14.9 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.
Day-to-day highs hold fairly steady near 71°F through the month. The sky is clear or mostly clear about 30% of the time in July, and the air most often feels humid.
Daylight stretches from about 15 h 12 min at the start of July to 14 h 30 min by month's end. Set against the rest of the year, July is South Portland's 4th-clearest and 11th-windiest month. For the whole year in context, see South Portland's year-round climate.
- Daytime high
- 71°
- 1st warmest
- Overnight low
- 63°
- 12th coldest
- Rainfall
- 3.1 in
- 9.2 wet days
- Daylight
- 14 h 54 min
- 4:18 AM – 7:15 PM
- Cloud cover
- 58%
- 4th clearest
- Wind
- 8 mph
- 11th windiest
- Solar energy
- 6.02 kWh/m²
- Travel score
- 6.7
- out of 10
South Portland is city in Cumberland County, Maine, United States.
- Density
- 704/km²
- people per km²
- Founded
- 1895
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Day-to-day highs hold fairly steady near 71°F through the month.
A typical July day in South Portland reaches about 71°F in the afternoon and slips back to 63°F overnight — a 8°F spread between the day's warmth and the night's chill. On most days the high lands between 66°F and 77°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) | 69 | 70 | 70 | 70 | 70 | 70 | 70 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 |
| Avg low (°F) | 61 | 61 | 61 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 69 | 61 |
| 2 | 70 | 61 |
| 3 | 70 | 61 |
| 4 | 70 | 62 |
| 5 | 70 | 62 |
| 6 | 70 | 62 |
| 7 | 70 | 62 |
| 8 | 71 | 62 |
| 9 | 71 | 62 |
| 10 | 71 | 62 |
| 11 | 71 | 63 |
| 12 | 71 | 63 |
| 13 | 71 | 63 |
| 14 | 71 | 63 |
| 15 | 71 | 63 |
| 16 | 71 | 63 |
| 17 | 71 | 63 |
| 18 | 71 | 64 |
| 19 | 72 | 64 |
| 20 | 72 | 64 |
| 21 | 72 | 64 |
| 22 | 72 | 64 |
| 23 | 72 | 64 |
| 24 | 72 | 64 |
| 25 | 72 | 64 |
| 26 | 72 | 64 |
| 27 | 72 | 64 |
| 28 | 72 | 64 |
| 29 | 72 | 64 |
| 30 | 72 | 64 |
| 31 | 72 | 64 |
How July really feels in South Portland
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.
South Portland weather by month
How July compares with the rest of the year at a glance. July is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 32° / 20° | 3.9 | 9.9 | 6.9 | 9.1 | 0.0 |
| Feb | 33° / 21° | 3.6 | 8.9 | 6.5 | 10.2 | 0.0 |
| Mar | 38° / 28° | 4.6 | 10.9 | 5.6 | 11.6 | 0.0 |
| Apr | 47° / 38° | 4.7 | 10.7 | 1.9 | 13.2 | 1.6 |
| May | 56° / 47° | 3.9 | 11 | 0.1 | 14.5 | 3.7 |
| Jun | 65° / 56° | 4.0 | 10.3 | 0 | 15.2 | 5.7 |
| Jul | 71° / 63° | 3.1 | 9.2 | 0 | 14.9 | 6.7 |
| Aug | 71° / 63° | 3.2 | 8.4 | 0 | 13.8 | 6.9 |
| Sep | 65° / 57° | 3.7 | 8.7 | 0 | 12.3 | 6.2 |
| Oct | 56° / 47° | 5.4 | 10.6 | 0.2 | 10.8 | 3.8 |
| Nov | 46° / 37° | 4.5 | 10.4 | 1.4 | 9.5 | 1.3 |
| Dec | 37° / 28° | 4.9 | 11 | 5.8 | 8.8 | 0.0 |
Cloud cover in July
The sky is clear or mostly clear about 30% 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 48%.
| 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 (%) | 50 | 50 | 50 | 52 | 53 | 54 | 54 | 54 | 55 | 54 | 54 | 54 | 54 | 53 | 53 | 53 | 52 | 51 | 51 | 51 | 50 | 50 | 50 | 50 | 50 | 49 | 50 | 50 | 51 | 51 | 52 |
| Cloudier (%) | 50 | 50 | 50 | 48 | 47 | 46 | 46 | 46 | 45 | 46 | 46 | 46 | 46 | 47 | 47 | 47 | 48 | 49 | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 51 | 50 | 50 | 49 | 49 | 48 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 50 | 50 |
| 2 | 50 | 50 |
| 3 | 50 | 50 |
| 4 | 52 | 48 |
| 5 | 53 | 47 |
| 6 | 54 | 46 |
| 7 | 54 | 46 |
| 8 | 54 | 46 |
| 9 | 55 | 45 |
| 10 | 54 | 46 |
| 11 | 54 | 46 |
| 12 | 54 | 46 |
| 13 | 54 | 46 |
| 14 | 53 | 47 |
| 15 | 53 | 47 |
| 16 | 53 | 47 |
| 17 | 52 | 48 |
| 18 | 51 | 49 |
| 19 | 51 | 49 |
| 20 | 51 | 49 |
| 21 | 50 | 50 |
| 22 | 50 | 50 |
| 23 | 50 | 50 |
| 24 | 50 | 50 |
| 25 | 50 | 50 |
| 26 | 49 | 51 |
| 27 | 50 | 50 |
| 28 | 50 | 50 |
| 29 | 51 | 49 |
| 30 | 51 | 49 |
| 31 | 52 | 48 |
Chance of precipitation in July
South Portland gets around 3.1 in of rain over 9.2 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 30% and peaks near 31% 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 (%) | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 28 | 28 |
| Rain chance (%) | |
|---|---|
| 1 | 31 |
| 2 | 31 |
| 3 | 31 |
| 4 | 30 |
| 5 | 30 |
| 6 | 30 |
| 7 | 30 |
| 8 | 30 |
| 9 | 30 |
| 10 | 30 |
| 11 | 30 |
| 12 | 30 |
| 13 | 30 |
| 14 | 30 |
| 15 | 30 |
| 16 | 30 |
| 17 | 31 |
| 18 | 31 |
| 19 | 31 |
| 20 | 31 |
| 21 | 31 |
| 22 | 30 |
| 23 | 30 |
| 24 | 30 |
| 25 | 30 |
| 26 | 29 |
| 27 | 29 |
| 28 | 29 |
| 29 | 29 |
| 30 | 28 |
| 31 | 28 |
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 40% of days. Sticky, muggy-or-worse air turns up on roughly 15% 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 (%) | 20 | 19 | 18 | 16 | 15 | 14 | 14 | 13 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 |
| Comfortable (%) | 41 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 41 | 40 | 40 | 39 | 37 | 36 | 35 | 34 | 33 | 32 | 30 | 29 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 28 | 28 |
| Humid (%) | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 35 | 35 | 36 | 37 | 38 | 38 | 39 | 40 | 41 | 42 | 43 | 43 | 44 | 45 | 45 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 45 | 45 |
| Muggy (%) | 6 | 7 | 7 | 8 | 8 | 9 | 10 | 11 | 11 | 12 | 13 | 14 | 15 | 15 | 16 | 17 | 17 | 18 | 18 | 19 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 20 | 41 | 33 | 6 |
| 2 | 19 | 42 | 33 | 7 |
| 3 | 18 | 42 | 33 | 7 |
| 4 | 16 | 42 | 34 | 8 |
| 5 | 15 | 42 | 34 | 8 |
| 6 | 14 | 42 | 34 | 9 |
| 7 | 14 | 42 | 34 | 10 |
| 8 | 13 | 42 | 35 | 11 |
| 9 | 12 | 41 | 35 | 11 |
| 10 | 11 | 40 | 36 | 12 |
| 11 | 11 | 40 | 37 | 13 |
| 12 | 10 | 39 | 38 | 14 |
| 13 | 10 | 37 | 38 | 15 |
| 14 | 9 | 36 | 39 | 15 |
| 15 | 9 | 35 | 40 | 16 |
| 16 | 9 | 34 | 41 | 17 |
| 17 | 8 | 33 | 42 | 17 |
| 18 | 8 | 32 | 43 | 18 |
| 19 | 8 | 30 | 43 | 18 |
| 20 | 8 | 29 | 44 | 19 |
| 21 | 7 | 28 | 45 | 20 |
| 22 | 7 | 27 | 45 | 20 |
| 23 | 7 | 27 | 46 | 20 |
| 24 | 7 | 26 | 46 | 21 |
| 25 | 7 | 26 | 46 | 21 |
| 26 | 6 | 26 | 46 | 21 |
| 27 | 6 | 27 | 46 | 21 |
| 28 | 6 | 27 | 46 | 21 |
| 29 | 6 | 27 | 46 | 21 |
| 30 | 6 | 28 | 45 | 21 |
| 31 | 6 | 28 | 45 | 21 |
Wind in July
Winds average 8 mph in July.
Across July, daily wind ranges from about 8 mph on the calmest days to 8 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) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 8 | light breeze |
| 2 | 8 | light breeze |
| 3 | 8 | light breeze |
| 4 | 8 | light breeze |
| 5 | 8 | light breeze |
| 6 | 8 | light breeze |
| 7 | 8 | light breeze |
| 8 | 8 | light breeze |
| 9 | 8 | light breeze |
| 10 | 8 | light breeze |
| 11 | 8 | light breeze |
| 12 | 8 | light breeze |
| 13 | 8 | light breeze |
| 14 | 8 | light breeze |
| 15 | 8 | light breeze |
| 16 | 8 | light breeze |
| 17 | 8 | light breeze |
| 18 | 8 | light breeze |
| 19 | 8 | light breeze |
| 20 | 8 | light breeze |
| 21 | 8 | light breeze |
| 22 | 8 | light breeze |
| 23 | 8 | light breeze |
| 24 | 8 | light breeze |
| 25 | 8 | light breeze |
| 26 | 8 | light breeze |
| 27 | 8 | light breeze |
| 28 | 8 | light breeze |
| 29 | 8 | light breeze |
| 30 | 8 | light breeze |
| 31 | 8 | light breeze |
Sunrise & sunset in July
Daylight runs from about 15 h 12 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 42 minutes over July. Sunrise moves from 4:08 AM to 4:33 AM, and sunset from 7:21 PM to 7:01 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) | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.1 | 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 | 14.8 | 14.7 | 14.7 | 14.7 | 14.6 | 14.6 | 14.6 | 14.5 | 14.5 |
| Sunrise (AM) | 4:08 | 4:08 | 4:09 | 4:09 | 4:10 | 4:11 | 4:11 | 4:12 | 4:13 | 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 | 4:32 | 4:33 |
| Sunset (PM) | 7:21 | 7:21 | 7:20 | 7:20 | 7:20 | 7:20 | 7:19 | 7:19 | 7:19 | 7:18 | 7:18 | 7:17 | 7:17 | 7:16 | 7:16 | 7:15 | 7:14 | 7:14 | 7:13 | 7:12 | 7:11 | 7:11 | 7:10 | 7:09 | 7:08 | 7:07 | 7:06 | 7:05 | 7:04 | 7:03 | 7:01 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 15.2 | 4:08 | 7:21 |
| 2 | 15.2 | 4:08 | 7:21 |
| 3 | 15.2 | 4:09 | 7:20 |
| 4 | 15.2 | 4:09 | 7:20 |
| 5 | 15.2 | 4:10 | 7:20 |
| 6 | 15.2 | 4:11 | 7:20 |
| 7 | 15.1 | 4:11 | 7:19 |
| 8 | 15.1 | 4:12 | 7:19 |
| 9 | 15.1 | 4:13 | 7:19 |
| 10 | 15.1 | 4:13 | 7:18 |
| 11 | 15.1 | 4:14 | 7:18 |
| 12 | 15.0 | 4:15 | 7:17 |
| 13 | 15.0 | 4:16 | 7:17 |
| 14 | 15.0 | 4:16 | 7:16 |
| 15 | 15.0 | 4:17 | 7:16 |
| 16 | 14.9 | 4:18 | 7:15 |
| 17 | 14.9 | 4:19 | 7:14 |
| 18 | 14.9 | 4:20 | 7:14 |
| 19 | 14.9 | 4:21 | 7:13 |
| 20 | 14.8 | 4:22 | 7:12 |
| 21 | 14.8 | 4:23 | 7:11 |
| 22 | 14.8 | 4:24 | 7:11 |
| 23 | 14.8 | 4:25 | 7:10 |
| 24 | 14.7 | 4:26 | 7:09 |
| 25 | 14.7 | 4:27 | 7:08 |
| 26 | 14.7 | 4:28 | 7:07 |
| 27 | 14.6 | 4:29 | 7:06 |
| 28 | 14.6 | 4:30 | 7:05 |
| 29 | 14.6 | 4:31 | 7:04 |
| 30 | 14.5 | 4:32 | 7:03 |
| 31 | 14.5 | 4:33 | 7:01 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 6.02 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 1.46 kWh/m² to a high of 6.02 kWh/m² in July across the year — July's 6.02 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 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 |
| Level | Intense | Intense | Intense | Intense | 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 |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.1 | Intense |
| 2 | 6.1 | Intense |
| 3 | 6.2 | Intense |
| 4 | 6.2 | Intense |
| 5 | 6.1 | Intense |
| 6 | 6.1 | Intense |
| 7 | 6.1 | Intense |
| 8 | 6.1 | Intense |
| 9 | 6.1 | Intense |
| 10 | 6.1 | Intense |
| 11 | 6.1 | Intense |
| 12 | 6.1 | Intense |
| 13 | 6.0 | Intense |
| 14 | 6.0 | Intense |
| 15 | 6.0 | Intense |
| 16 | 6.0 | Bright |
| 17 | 6.0 | Bright |
| 18 | 5.9 | Bright |
| 19 | 5.9 | Bright |
| 20 | 5.9 | Bright |
| 21 | 5.9 | Bright |
| 22 | 5.9 | Bright |
| 23 | 5.8 | Bright |
| 24 | 5.8 | Bright |
| 25 | 5.8 | Bright |
| 26 | 5.8 | Bright |
| 27 | 5.8 | Bright |
| 28 | 5.8 | Bright |
| 29 | 5.8 | Bright |
| 30 | 5.7 | Bright |
| 31 | 5.7 | Bright |
Hazard calendar for South Portland
In July, South Portland sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
South Portland sits in the Atlantic hurricane belt; the season peaks August–October.
Is July a good time to visit South Portland?
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 South Portland for sightseeing.
What to pack for South Portland in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, South Portland sees daytime highs around 71°F and nights near 63°F. Pack sun protection. Worth having: rain gear. About 9 days see rain.
Sea temperature near South Portland 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 offshore 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 South Portland 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 South Portland 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 23 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 | 7 | 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 | 7 | High |
| Jul | 7 | Very high |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is South Portland?
South Portland sits at 43.6°N, 70.2°W, 23 ft above sea level, in United States. The nearest listed city is Portland, 1.2 mi away.
Topography around South Portland
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of South Portland.
Within 2 miles, the terrain around South Portland has only modest variations in elevation — a maximum elevation change of 207 ft around an average of 46 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 548 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,182 ft.
The land around South Portland is covered by water (36%), trees (32%) and artificial surfaces (22%) within 2 miles, water (48%) and trees (37%) within 10 miles, and trees (60%) and water (34%) 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 South Portland (43.6415°, -70.2409°, elevation 23 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).