Najran in Summer
In summer (June, July and August), Najran sees average daytime highs around 37°C and overnight lows near 22°C, with 5 mm of rain over about 1 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 37°C. The sky is clear or mostly clear about 48% of the time across summer, and the air most often feels dry.
Summer is Najran's weakest season of the year to visit on our travel score. For the whole year in context, see Najran's year-round climate.
- Avg daytime high
- 37°C
- warmest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 5 mm
- 1 wet days
- Avg wind
- 14 km/h
- Travel score
- 2.0
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Najran in Summer
Across summer, daytime highs hold fairly steady around 37°C.
A typical summer day in Najran reaches about 37°C and drops to 22°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Najran
Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Najran 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 | 25° / 9° | 2 | 0.5 | 11.1 | 9.3 |
| Feb | 27° / 12° | 2 | 0.5 | 11.4 | 8.6 |
| Mar | 30° / 15° | 10 | 2 | 11.9 | 6.5 |
| Apr | 32° / 18° | 13 | 3.6 | 12.4 | 4.9 |
| May | 35° / 21° | 4 | 1 | 12.8 | 3.5 |
| Jun | 37° / 21° | 1 | 0.1 | 13 | 2.3 |
| Jul | 37° / 23° | 2 | 0.4 | 12.9 | 1.8 |
| Aug | 37° / 22° | 2 | 0.5 | 12.6 | 1.9 |
| Sep | 34° / 20° | 0 | 0 | 12.1 | 3.8 |
| Oct | 30° / 16° | 3 | 0.5 | 11.6 | 7.1 |
| Nov | 27° / 12° | 1 | 0.2 | 11.2 | 9.0 |
| Dec | 25° / 10° | 0 | 0 | 11 | 9.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 48% of the time across summer.
Chance of precipitation in Summer
Najran gets around 5 mm of rain over 1 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 14 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 hours in early June to 12 h 24 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 6.7 kWh/m².
Hazard calendar for Najran
In summer, Najran overlaps its dust season. The full year is below, with each hazard's peak months called out.
Najran sees seasonal dust haze (April–August), heaviest in July.
Is summer a good time to visit Najran?
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 weaker month for outdoor sightseeing in Najran.
What to pack for Najran in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Najran sees daytime highs around 37°C and nights near 22°C. Pack light clothes and sun protection.
UV index in Najran in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Najran peaks around April 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 | 13 | 14 | 12 | 11 | 11 | 12 | 10 | 11 | 8 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 12 | Extreme |
| Mar | 13 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 10 | Extreme |
| Oct | 11 | Extreme |
| Nov | 8 | Very high |
| Dec | 8 | Very high |
Air quality in Najran 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 Najran is worst in February — around 50 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (October, 24 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) | 39 | 50 | 46 | 48 | 44 | 47 | 49 | 43 | 35 | 24 | 25 | 28 |
| Level | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 39 | Poor |
| Feb | 50 | Poor |
| Mar | 46 | Poor |
| Apr | 48 | Poor |
| May | 44 | Poor |
| Jun | 47 | Poor |
| Jul | 49 | Poor |
| Aug | 43 | Poor |
| Sep | 35 | Moderate |
| Oct | 24 | Moderate |
| Nov | 25 | Moderate |
| Dec | 28 | Moderate |
Where is Najran?
Najran sits at 17.5°N, 44.1°E, 1,310 m above sea level, in Saudi Arabia. The nearest listed city is Al Mash‘ilīyah, 46 km away.
Topography around Najran
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Najran.
Within 3 km, the terrain around Najran has significant variations in elevation — a maximum elevation change of 452 m around an average of 1,377 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 802 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,717 m.
The land around Najran is covered by bare terrain (60%) and cropland (21%) within 3 km, bare terrain (88%) within 16 km, and bare terrain (97%) within 80 km.
Saudi Arabia travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type G
- 230 V · 60 Hz
- Prices
- ≈ 47% of US
- price level, 2025
- GDP per capita
- $34,537
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Homicide rate
- 0.9
- per 100k, 2019
- Road deaths
- 35.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very low
- EF EPI 404
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 Najran (17.4933°, 44.1277°, elevation 1,310 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.