Keren in Summer
In summer (June, July and August), Keren sees average daytime highs around 26°C and overnight lows near 18°C, with 321 mm of rain over about 59 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Over the season highs ease from about 31°C in early June to 25°C by late August. The sky is clear or mostly clear about 25% of the time across summer, and the air most often feels humid.
Summer is Keren's weakest season of the year to visit on our travel score. For the whole year in context, see Keren's year-round climate.
- Avg daytime high
- 26°C
- coldest season of the year
- Avg overnight low
- 18°C
- Rainfall
- 321 mm
- 59 wet days
- Avg wind
- 7 km/h
- Travel score
- 4.9
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Keren in Summer
Over the season highs ease from about 31°C in early June to 25°C by late August.
A typical summer day in Keren reaches about 26°C and drops to 18°C overnight. The warmest of the three months is June, the coolest August.
Keren 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 | 27° / 14° | 1 | 0.1 | 11.2 | 8.8 |
| Feb | 28° / 15° | 1 | 0.1 | 11.5 | 8.1 |
| Mar | 30° / 16° | 5 | 1.8 | 11.9 | 6.6 |
| Apr | 31° / 17° | 13 | 4.9 | 12.3 | 5.4 |
| May | 32° / 18° | 20 | 5.6 | 12.7 | 4.9 |
| Jun | 30° / 19° | 42 | 11 | 12.9 | 5.3 |
| Jul | 26° / 17° | 86 | 20.1 | 12.8 | 5.2 |
| Aug | 24° / 17° | 193 | 28.3 | 12.5 | 4.1 |
| Sep | 27° / 16° | 123 | 16.8 | 12.1 | 5.7 |
| Oct | 28° / 15° | 6 | 1.6 | 11.6 | 7.9 |
| Nov | 27° / 15° | 3 | 0.9 | 11.3 | 8.7 |
| Dec | 26° / 14° | 1 | 0.1 | 11.1 | 8.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 25% of the time across summer.
Chance of precipitation in Summer
Keren gets around 321 mm of rain over 59 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 54 min in early June to 12 h 18 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 5.6 kWh/m².
Hazard calendar for Keren
In summer, Keren overlaps its dust season. The full year is below, with each hazard's peak months called out.
Keren sees seasonal dust haze (June–August), heaviest in July.
Is summer a good time to visit Keren?
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 Keren for sightseeing.
What to pack for Keren in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Keren sees daytime highs around 26°C and nights near 18°C. Pack light clothes, rain gear and sun protection. About 59 days see rain.
UV index in Keren in Summer
Clear-sky midday UV across summer averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Keren peaks around April 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 8 (very high).
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) | 10 | 12 | 14 | 14 | 13 | 11 | 10 | 10 | 12 | 11 | 9 | 8 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| Feb | 12 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Very high |
| Aug | 10 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Keren 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 Keren is worst in May — around 23 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 14 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) | 17 | 18 | 23 | 21 | 23 | 22 | 22 | 20 | 17 | 19 | 15 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 18 | Moderate |
| Mar | 23 | Moderate |
| Apr | 21 | Moderate |
| May | 23 | Moderate |
| Jun | 22 | Moderate |
| Jul | 22 | Moderate |
| Aug | 20 | Moderate |
| Sep | 17 | Moderate |
| Oct | 19 | Moderate |
| Nov | 15 | Moderate |
| Dec | 14 | Moderate |
Where is Keren?
Keren sits at 15.8°N, 38.5°E, 1,399 m above sea level, in Eritrea. The nearest listed city is Asmara, 71 km away.
Topography around Keren
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Keren.
Within 3 km, the terrain around Keren has significant variations in elevation — a maximum elevation change of 412 m around an average of 1,420 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,346 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,515 m.
The land around Keren is covered by grassland (48%) and cropland (23%) within 3 km, grassland (46%) and shrubs (37%) within 16 km, and grassland (47%), shrubs (23%) and bare terrain (22%) within 80 km.
Eritrea travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / L
- 230 V · 50 Hz
- Prices
- ≈ 33% of US
- price level, 2021
- GDP per capita
- $689
- 2011
- Homicide rate
- 15.6
- per 100k, 2012
- Road deaths
- 37.9
- per 100k/yr, 2019
- Income group
- Low
- World Bank
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 Keren (15.7779°, 38.4511°, elevation 1,399 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.