Najrān weather in July
In July, Najrān has daytime highs averaging 37 °C, nights around 22 °C, with 0.5 wet days. Figures are 1991–2020 climate normals.
- 37.1°C Average high
- 21.8°C Average low
- 0.5days Wet days
- 2mm Rainfall
- 13h Daylight
Daily temperatures through July
How July develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 July | 37.2 °C | 21.4 °C | 0 % |
| 11–20 July | 37.3 °C | 21.9 °C | 2 % |
| 21–31 July | 36.9 °C | 22.0 °C | 3 % |
What to expect
| Measure | Typical July | Share of the month |
|---|---|---|
| Days above 25 °C | 31 of 31 | 100 % |
| Days above 30 °C | 31 of 31 | 100 % |
| Days below 0 °C | 0 of 31 | 0 % |
| Days with more than 1 mm rain | 0.5 of 31 | 2 % |
Conditions in July
| Measure | Average |
|---|---|
| Mean temperature | 30 °C |
| Record high (1991–2020) | 40 °C |
| Record low (1991–2020) | 16 °C |
| Relative humidity | 31 % |
| Wind speed | 23 km/h |
| Cloud cover | 48 % |
Where Najrān ranks in July
| Ranking | Position | Value |
|---|---|---|
| The warmest places in South America in July | 13thof 50 | 37 °C |
| The driest places in South America in July | 38thof 50 | 2.0 mm |
July compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| May | 34.8 °C | 4 mm | 25 % |
| June | 36.8 °C | 1 mm | 30 % |
| July | 37.1 °C | 2 mm | 48 % |
| August | 36.7 °C | 2 mm | 39 % |
| September | 34.4 °C | under 1 mm | 20 % |
See all twelve months for Najrān
- July is the warmest month in Najrān.
- It is the 7th driest month of the year.
- It ranks 12th for least cloud cover.
- Days last about 13 hours from sunrise to sunset.
- It rains on 0.5 of 31 days — 2 % of the month.
- Nights are about 15 °C cooler than the middle of the day.
- The hottest July day on record since 1991 reached 40 °C, 2.9 °C above the usual daytime high.
Nearby destinations in July
| Destination | Avg high | Wet days | Sea |
|---|---|---|---|
| Najrān | 37 °C | 0.5 | – |
| Şabyā | 37 °C | 2 | 31 |
| Khamis Mushait | 30 °C | 12 | – |
| Abha | 27 °C | 13 | – |
| Sanaa | 28 °C | 12 | – |
| Al Ḩudaydah | 38 °C | 3 | 31 |
| Dhamār | 24 °C | 16 | – |
| Ibb | 26 °C | 23 | – |
| Taiz | 30 °C | 11 | – |
QuestionsJuly in Najrān, answered
How warm is Najrān in July?
Daily highs average 37 °C and nights fall to about 22 °C, a spread of 15 °C between afternoon and dawn. That makes July the 1st warmest month of the year here.
Does it rain much in Najrān in July?
July averages 2 mm of rain, spread over about 1 of the 31 days — 2 % of the month. Cloud cover averages 48 % of the sky.
How long are the days in July?
Najrān averages 13 hours between sunrise and sunset in July. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.