Rosetta in Summer
In summer (June, July and August), Rosetta sees average daytime highs around 27°C and overnight lows near 24°C, with 0 mm of rain over about 0 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 25°C in early June to 28°C by late August. The sky is clear or mostly clear about 98% of the time across summer, and the air most often feels oppressive.
Summer is Rosetta's best season of the year to visit on our travel score. For the whole year in context, see Rosetta's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 0 mm
- 0 wet days
- Avg wind
- 16 km/h
- Travel score
- 8.7
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Rosetta in Summer
Over the season highs climb from about 25°C in early June to 28°C by late August.
A typical summer day in Rosetta reaches about 27°C and drops to 24°C overnight. The warmest of the three months is August, the coolest June.
Rosetta 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 (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 17° / 13° | 44 | 7.5 | 10.2 | 6.1 |
| Feb | 17° / 13° | 27 | 5.1 | 10.9 | 6.5 |
| Mar | 19° / 14° | 15 | 2.6 | 11.8 | 7.6 |
| Apr | 21° / 16° | 4 | 1.1 | 12.7 | 8.4 |
| May | 23° / 19° | 1 | 0.2 | 13.6 | 9.3 |
| Jun | 26° / 22° | 0 | 0 | 14 | 9.3 |
| Jul | 28° / 25° | 0 | 0 | 13.8 | 8.7 |
| Aug | 29° / 25° | 0 | 0 | 13.1 | 8.0 |
| Sep | 28° / 24° | 1 | 0.1 | 12.2 | 8.7 |
| Oct | 26° / 22° | 7 | 1.4 | 11.2 | 8.8 |
| Nov | 22° / 19° | 24 | 3.7 | 10.4 | 8.1 |
| Dec | 19° / 15° | 36 | 6.4 | 10 | 6.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 98% of the time across summer.
Chance of precipitation in Summer
Rosetta gets around 0 mm of rain over 0 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 16 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 54 min in early June to 12 h 42 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 7.5 kWh/m².
Hazard calendar for Rosetta
None of Rosetta's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Rosetta sees seasonal dust haze (May), heaviest in May.
Is summer a good time to visit Rosetta?
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 one of the better times to visit Rosetta for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Rosetta in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Rosetta sees daytime highs around 27°C and nights near 24°C. Pack light clothes and sun protection.
Sea temperature near Rosetta in Summer
The nearest coast averages about 26°C across summer — 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 28°C and coldest in February near 17°C.
It's comfortable for a long swim from Apr 30 to Dec 18 — about 7.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 18 | 17 | 17 | 19 | 21 | 24 | 27 | 28 | 27 | 26 | 23 | 20 |
| Comfort | Cool | Cool | Cool | Cool | Refreshing | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 18 | Cool |
| Feb | 17 | Cool |
| Mar | 17 | Cool |
| Apr | 19 | Cool |
| May | 21 | Refreshing |
| Jun | 24 | Warm |
| Jul | 27 | Warm |
| Aug | 28 | Warm |
| Sep | 27 | Warm |
| Oct | 26 | Warm |
| Nov | 23 | Refreshing |
| Dec | 20 | Refreshing |
UV index in Rosetta in Summer
Clear-sky midday UV across summer averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rosetta peaks around June 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 10 | 9 | 6 | 5 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 8 | Very high |
| May | 9 | Very high |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Very high |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 5 | Moderate |
| Dec | 3 | Moderate |
Air quality in Rosetta in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Rosetta is worst in January — around 52 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (July, 20 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 52 | 47 | 39 | 33 | 29 | 23 | 20 | 21 | 22 | 29 | 44 | 47 |
| Level | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 52 | Poor |
| Feb | 47 | Poor |
| Mar | 39 | Poor |
| Apr | 33 | Moderate |
| May | 29 | Moderate |
| Jun | 23 | Moderate |
| Jul | 20 | Moderate |
| Aug | 21 | Moderate |
| Sep | 22 | Moderate |
| Oct | 29 | Moderate |
| Nov | 44 | Poor |
| Dec | 47 | Poor |
Where is Rosetta?
Rosetta sits at 31.4°N, 30.4°E, 15 m above sea level, in Egypt. The nearest listed city is Idkū, 15 km away.
Topography around Rosetta
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rosetta.
Within 3 km, the terrain around Rosetta has only modest variations in elevation — a maximum elevation change of 21 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 30 m; within 80 km, only modest variations in elevation — a maximum elevation change of 54 m.
The land around Rosetta is covered by trees (34%), cropland (26%) and artificial surfaces (21%) within 3 km, water (42%) and cropland (21%) within 16 km, and cropland (45%) and water (41%) within 80 km.
Egypt travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 220 V · 50 Hz
- Prices
- ≈ 15% of US
- price level, 2025
- GDP per capita
- $3,086
- 2025
- Happiness
- 3.9 / 10
- World Happiness, 2025
- Safe drinking water
- 79%
- of population, 2024
- Homicide rate
- 1.3
- per 100k, 2017
- Road deaths
- 10.1
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Low
- EF EPI 459
- 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 Rosetta (31.3995°, 30.4172°, elevation 15 m), 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.