Najrān has a warm subtropical climate with warm summers and mild winters.
Najrān has an average annual temperature of 26.0°C across all 2 cities, with approximately 39 mm of annual precipitation and average humidity of 27%. Temperatures peak in July and drop to their lowest in January, while rainfall is highest during spring and early summer months.
The warmest city is Sharūrah with average July highs of 41.5°C, while Najrān is the coldest with average January lows of 10.5°C. Humidity remains relatively low throughout the year, especially during winter months, creating warm and dry conditions. These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.
| Month | 🌤️ | Avg High | Avg Temp | Avg Low | Record High | Record Low | Humid % | Rain (mm) | Wind (m/s) | Solar (kWh/m²) |
|---|---|---|---|---|---|---|---|---|---|---|
| January | ☀️ | 26.6°C | 18.6°C | 10.7°C | 34.5°C | 1.7°C | 38% | 2 | 2.5 | 5.50 |
| February | ☀️ | 29.4°C | 21.3°C | 13.1°C | 36.6°C | 2.8°C | 34% | 2 | 2.8 | 6.20 |
| March | 😎 | 32.4°C | 24.5°C | 16.6°C | 39.6°C | 8.2°C | 31% | 8 | 3.0 | 6.80 |
| April | 😎 | 34.6°C | 27.1°C | 19.7°C | 40.2°C | 10.1°C | 28% | 6 | 2.9 | 7.30 |
| May | 🥵 | 37.1°C | 29.7°C | 22.4°C | 43.4°C | 15.8°C | 22% | 4 | 2.8 | 7.50 |
| June | 🥵 | 39.2°C | 31.6°C | 24.1°C | 44.5°C | 18.0°C | 16% | 1 | 2.8 | 7.40 |
| July | 🥵 | 39.8°C | 32.7°C | 25.5°C | 44.3°C | 19.2°C | 20% | 4 | 3.2 | 7.00 |
| August | 🥵 | 39.4°C | 32.3°C | 25.3°C | 44.2°C | 19.1°C | 23% | 6 | 3.0 | 6.90 |
| September | 🥵 | 36.9°C | 29.6°C | 22.4°C | 43.2°C | 14.6°C | 19% | 1 | 2.8 | 7.00 |
| October | 😎 | 32.1°C | 24.8°C | 17.5°C | 39.0°C | 10.6°C | 23% | 2 | 2.7 | 6.60 |
| November | ☀️ | 28.6°C | 21.3°C | 13.9°C | 34.6°C | 5.2°C | 32% | 2 | 2.5 | 5.80 |
| December | ☀️ | 26.3°C | 18.7°C | 11.0°C | 33.0°C | 2.8°C | 38% | 1 | 2.4 | 5.30 |
Showing average climate conditions across 45 years (1981–2025) · averaged across all 2 cities in Najrān
🧥 Light layers are sufficient — this Mild Winter stays cool without prolonged hard freezes.
🌤️ Limit midday outdoor exposure and stay hydrated — this is an intense Hot Summer.
☔ Rainfall is spread across the year with no sharply defined wet season.
Region-wide monthly averages across 2 cities · 1981–2025 · °C
Temperatures rise steadily from spring, peak in July, and gradually decline through autumn into winter.
These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.
Region-wide monthly rainfall · 1981–2025 · mm/month
💧 Humidity peaks at 38% in January · annual avg 27%
Monthly averages · 1981–2025
Across 45 years, Najrān's temperature has remained relatively stable over the past decade. 2024 was the warmest year overall and 1984 the coolest.
The warmest year on record was 2024 (avg: 27.4°C), while the coldest year was 1984 (avg: 25.0°C).
Averaged across all 2 cities in Najrān · Last 30 years · °C
Averaged across all 2 cities in Najrān · Last 30 years · mm/year
🔥 hottest · ❄️ coldest · 🌧️ wettest
ℹ️ Values are averages across all 2 cities in Najrān for each year.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall (mm) | Avg Humidity | Avg Wind |
|---|---|---|---|---|---|---|---|---|
2025 | 34.0°C | 26.4°C | 18.7°C | 44.0°C | 5.2°C | 39 | 24% | 2.7 m/s |
2024 🔥 | 34.5°C | 27.4°C | 20.3°C | 44.5°C | 5.3°C | 96 | 31% | 2.8 m/s |
2023 | 34.0°C | 26.8°C | 19.6°C | 44.3°C | 5.0°C | 87 | 30% | 2.7 m/s |
2022 | 33.5°C | 26.1°C | 18.6°C | 43.8°C | 7.8°C | 97 | 27% | 2.8 m/s |
2021 | 33.6°C | 26.0°C | 18.4°C | 43.6°C | 5.8°C | 43 | 25% | 2.8 m/s |
2020 🌧️ | 33.2°C | 25.9°C | 18.6°C | 43.5°C | 4.7°C | 196 | 31% | 2.7 m/s |
2019 | 34.4°C | 27.1°C | 19.8°C | 44.1°C | 7.4°C | 13 | 28% | 2.9 m/s |
2018 | 33.8°C | 26.4°C | 18.9°C | 44.1°C | 3.9°C | 9 | 26% | 2.8 m/s |
2017 | 33.8°C | 26.3°C | 18.8°C | 44.3°C | 3.9°C | 7 | 25% | 2.8 m/s |
2016 | 33.8°C | 26.4°C | 19.0°C | 43.7°C | 6.0°C | 25 | 26% | 2.7 m/s |
Showing 1 to 10 of 45 years
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.
