Sanford in Summer
In summer (June, July and August), Sanford sees average daytime highs around 77°F and overnight lows near 60°F, with 11.2 in of rain over about 33 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Over the season highs climb from about 70°F in early June to 76°F by late August. The sky is clear or mostly clear about 29% of the time across summer, and the air most often feels dry.
Summer is Sanford's best season of the year to visit on our travel score. For the whole year in context, see Sanford's year-round climate.
- Avg daytime high
- 77°F
- warmest season of the year
- Avg overnight low
- 60°F
- Rainfall
- 11.2 in
- 33 wet days
- Avg wind
- 6 mph
- Travel score
- 6.6
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Sanford in Summer
Over the season highs climb from about 70°F in early June to 76°F by late August.
A typical summer day in Sanford reaches about 77°F and drops to 60°F overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Sanford
Once humidity and wind are folded in, summer brings about 0 days that feel above 90°F and 0 that feel at or below 32°F.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Sanford weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 31° / 16° | 3.3 | 9.3 | 7.1 | 9.1 | 0.0 |
| Feb | 33° / 17° | 3.2 | 8.7 | 6.7 | 10.2 | 0.0 |
| Mar | 41° / 26° | 4.1 | 10.9 | 6.2 | 11.6 | 0.3 |
| Apr | 53° / 37° | 4.1 | 10.5 | 2.3 | 13.2 | 3.1 |
| May | 64° / 47° | 3.2 | 10.5 | 0.1 | 14.5 | 5.5 |
| Jun | 74° / 56° | 4.0 | 11.7 | 0 | 15.2 | 6.4 |
| Jul | 79° / 63° | 3.7 | 11.4 | 0 | 14.9 | 6.4 |
| Aug | 78° / 61° | 3.5 | 9.5 | 0 | 13.8 | 6.9 |
| Sep | 70° / 54° | 3.5 | 8.7 | 0 | 12.3 | 6.8 |
| Oct | 58° / 43° | 4.3 | 9.5 | 0.3 | 10.8 | 4.6 |
| Nov | 47° / 33° | 3.6 | 9.1 | 1.7 | 9.5 | 1.5 |
| Dec | 36° / 24° | 4.3 | 10.4 | 6.1 | 8.8 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 29% of the time across summer.
Chance of precipitation in Summer
Sanford gets around 11.2 in of rain over 33 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 6 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 hours in early June to 13 h 06 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.8 kWh/m².
Hazard calendar for Sanford
In summer, Sanford overlaps its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Sanford sits in the Atlantic hurricane belt; the season peaks August–October.
Is summer a good time to visit Sanford?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Sanford for sightseeing.
What to pack for Sanford in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Sanford sees daytime highs around 77°F and nights near 60°F. Pack sun protection. Worth having: light clothes and rain gear. About 33 days see rain.
Sea temperature near Sanford in Summer
The nearest coast averages about 61°F across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 21 mi away) is warmest in August at about 64°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 | 56 | 62 | 64 | 61 | 55 | 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 | 56 | Bracing |
| Jul | 62 | Cool |
| Aug | 64 | Cool |
| Sep | 61 | Cool |
| Oct | 55 | Bracing |
| Nov | 49 | Bracing |
| Dec | 45 | Bracing |
UV index in Sanford in Summer
Clear-sky midday UV across summer averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sanford 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 | 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 Sanford?
Sanford sits at 43.4°N, 70.8°W, 302 ft above sea level, in United States. The nearest listed city is Rochester, 14 mi away.
Topography around Sanford
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Sanford.
Within 2 miles, the terrain around Sanford has only modest variations in elevation — a maximum elevation change of 492 ft around an average of 374 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,066 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,101 ft.
The land around Sanford is covered by trees (77%) within 2 miles, trees (87%) within 10 miles, and trees (68%) and water (27%) 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 Sanford (43.4393°, -70.7742°, elevation 302 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.