Umluj weather in April
In April, Umluj sees average daytime highs of 27°C and overnight lows near 23°C, with 0 mm of rain across 0 wet days and about 12.6 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.
Highs climb over the month, from about 26°C in the first days to 28°C by the end. The sky is clear or mostly clear about 83% of the time in April, and the air most often feels humid.
Daylight stretches from about 12 h 12 min at the start of April to 12 h 54 min by month's end. Set against the rest of the year, April is Umluj's 7th-clearest and 5th-windiest month. For the whole year in context, see Umluj's year-round climate.
- Daytime high
- 27°
- 8th warmest
- Overnight low
- 23°
- 5th coldest
- Rainfall
- 0 mm
- 0 wet days
- Daylight
- 12 h 36 min
- 6:14 AM – 6:49 PM
- Cloud cover
- 17%
- 7th clearest
- Wind
- 16 km/h
- 5th windiest
- Solar energy
- 7.28 kWh/m²
- Travel score
- 8.9
- out of 10
Umluj is human settlement in Saudi Arabia.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in April
Highs climb over the month, from about 26°C in the first days to 28°C by the end.
A typical April day in Umluj reaches about 27°C in the afternoon and slips back to 23°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°C. Set against its neighbours, April runs about 2°C warmer than March and about 2°C cooler than May.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 22 |
| 2 | 25 | 22 |
| 3 | 26 | 22 |
| 4 | 26 | 22 |
| 5 | 26 | 22 |
| 6 | 26 | 23 |
| 7 | 26 | 23 |
| 8 | 26 | 23 |
| 9 | 26 | 23 |
| 10 | 26 | 23 |
| 11 | 26 | 23 |
| 12 | 26 | 23 |
| 13 | 27 | 23 |
| 14 | 27 | 23 |
| 15 | 27 | 23 |
| 16 | 27 | 23 |
| 17 | 27 | 24 |
| 18 | 27 | 24 |
| 19 | 27 | 24 |
| 20 | 27 | 24 |
| 21 | 27 | 24 |
| 22 | 27 | 24 |
| 23 | 27 | 24 |
| 24 | 27 | 24 |
| 25 | 27 | 24 |
| 26 | 27 | 24 |
| 27 | 28 | 24 |
| 28 | 28 | 25 |
| 29 | 28 | 25 |
| 30 | 28 | 25 |
How April really feels in Umluj
Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Umluj weather by month
How April compares with the rest of the year at a glance. April is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 23° / 19° | 11 | 1.8 | 10.6 | 8.8 |
| Feb | 23° / 19° | 4 | 0.9 | 11.1 | 9.1 |
| Mar | 25° / 21° | 2 | 0.6 | 11.8 | 9.4 |
| Apr | 27° / 23° | 0 | 0 | 12.6 | 8.9 |
| May | 29° / 26° | 0 | 0 | 13.2 | 7.6 |
| Jun | 30° / 27° | 0 | 0 | 13.5 | 6.7 |
| Jul | 31° / 29° | 0 | 0 | 13.4 | 6.0 |
| Aug | 32° / 29° | 0 | 0 | 12.9 | 5.8 |
| Sep | 31° / 28° | 0 | 0 | 12.2 | 6.3 |
| Oct | 30° / 27° | 3 | 0.4 | 11.4 | 6.9 |
| Nov | 27° / 24° | 11 | 1.3 | 10.8 | 8.4 |
| Dec | 25° / 21° | 10 | 1.5 | 10.5 | 9.0 |
Cloud cover in April
The sky is clear or mostly clear about 83% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 7% of April, with mostly cloudy or overcast conditions the remaining 10%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 89 | 89 | 89 | 88 | 88 | 88 | 88 | 87 | 87 | 87 | 87 | 87 | 88 | 89 | 89 | 89 | 89 | 90 | 91 | 91 | 91 | 91 | 91 | 92 | 92 | 92 | 92 | 92 | 92 | 91 |
| Cloudier (%) | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 89 | 11 |
| 2 | 89 | 11 |
| 3 | 89 | 11 |
| 4 | 88 | 12 |
| 5 | 88 | 12 |
| 6 | 88 | 12 |
| 7 | 88 | 12 |
| 8 | 87 | 13 |
| 9 | 87 | 13 |
| 10 | 87 | 13 |
| 11 | 87 | 13 |
| 12 | 87 | 13 |
| 13 | 88 | 12 |
| 14 | 89 | 11 |
| 15 | 89 | 11 |
| 16 | 89 | 11 |
| 17 | 89 | 11 |
| 18 | 90 | 10 |
| 19 | 91 | 9 |
| 20 | 91 | 9 |
| 21 | 91 | 9 |
| 22 | 91 | 9 |
| 23 | 91 | 9 |
| 24 | 92 | 8 |
| 25 | 92 | 8 |
| 26 | 92 | 8 |
| 27 | 92 | 8 |
| 28 | 92 | 8 |
| 29 | 92 | 8 |
| 30 | 91 | 9 |
Chance of precipitation in April
Umluj gets around 0 mm of rain over 0 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 0% and peaks near 1% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rain chance (%) | |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 0 |
| 17 | 0 |
| 18 | 0 |
| 19 | 0 |
| 20 | 0 |
| 21 | 0 |
| 22 | 0 |
| 23 | 0 |
| 24 | 0 |
| 25 | 0 |
| 26 | 0 |
| 27 | 0 |
| 28 | 0 |
| 29 | 0 |
| 30 | 0 |
Humidity in April
Most of April feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the humid band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 19 | 18 | 16 | 15 | 14 | 13 | 13 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 |
| Comfortable (%) | 29 | 29 | 28 | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 20 | 19 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 |
| Humid (%) | 33 | 34 | 35 | 36 | 37 | 37 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 38 | 38 | 37 | 37 | 36 | 35 | 35 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 34 | 34 |
| Muggy (%) | 18 | 19 | 19 | 20 | 21 | 21 | 22 | 23 | 23 | 24 | 25 | 26 | 26 | 27 | 28 | 29 | 30 | 31 | 33 | 34 | 35 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| Oppressive (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 19 | 29 | 33 | 18 | 1 |
| 2 | 18 | 29 | 34 | 19 | 1 |
| 3 | 16 | 28 | 35 | 19 | 1 |
| 4 | 15 | 28 | 36 | 20 | 1 |
| 5 | 14 | 27 | 37 | 21 | 1 |
| 6 | 13 | 27 | 37 | 21 | 1 |
| 7 | 13 | 26 | 38 | 22 | 1 |
| 8 | 12 | 26 | 38 | 23 | 1 |
| 9 | 11 | 25 | 39 | 23 | 1 |
| 10 | 11 | 25 | 39 | 24 | 1 |
| 11 | 10 | 24 | 39 | 25 | 2 |
| 12 | 10 | 24 | 39 | 26 | 2 |
| 13 | 9 | 24 | 39 | 26 | 2 |
| 14 | 9 | 23 | 38 | 27 | 3 |
| 15 | 9 | 23 | 38 | 28 | 3 |
| 16 | 8 | 22 | 37 | 29 | 3 |
| 17 | 8 | 22 | 37 | 30 | 4 |
| 18 | 7 | 21 | 36 | 31 | 4 |
| 19 | 7 | 21 | 35 | 33 | 4 |
| 20 | 6 | 20 | 35 | 34 | 4 |
| 21 | 6 | 19 | 35 | 35 | 5 |
| 22 | 5 | 19 | 35 | 37 | 5 |
| 23 | 5 | 18 | 35 | 38 | 5 |
| 24 | 4 | 17 | 35 | 39 | 6 |
| 25 | 4 | 16 | 34 | 40 | 6 |
| 26 | 3 | 15 | 34 | 41 | 6 |
| 27 | 3 | 14 | 34 | 42 | 7 |
| 28 | 3 | 13 | 34 | 43 | 7 |
| 29 | 2 | 12 | 34 | 44 | 7 |
| 30 | 2 | 11 | 34 | 45 | 8 |
Wind in April
Winds average 16 km/h in April.
Across April, daily wind ranges from about 15 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 17 | light breeze |
| 2 | 17 | light breeze |
| 3 | 17 | light breeze |
| 4 | 17 | light breeze |
| 5 | 17 | light breeze |
| 6 | 17 | light breeze |
| 7 | 17 | light breeze |
| 8 | 17 | light breeze |
| 9 | 17 | light breeze |
| 10 | 17 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 16 | light breeze |
| 14 | 16 | light breeze |
| 15 | 16 | light breeze |
| 16 | 16 | light breeze |
| 17 | 16 | light breeze |
| 18 | 16 | light breeze |
| 19 | 16 | light breeze |
| 20 | 16 | light breeze |
| 21 | 16 | light breeze |
| 22 | 16 | light breeze |
| 23 | 16 | light breeze |
| 24 | 16 | light breeze |
| 25 | 16 | light breeze |
| 26 | 15 | light breeze |
| 27 | 15 | light breeze |
| 28 | 15 | light breeze |
| 29 | 15 | light breeze |
| 30 | 15 | light breeze |
Sunrise & sunset in April
Daylight runs from about 12 h 12 min at the start of April to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 42 minutes over April. Sunrise moves from 6:29 AM to 6:01 AM, and sunset from 6:42 PM to 6:55 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 |
| Sunrise (AM) | 6:29 | 6:28 | 6:27 | 6:26 | 6:25 | 6:24 | 6:23 | 6:22 | 6:21 | 6:20 | 6:19 | 6:18 | 6:17 | 6:16 | 6:15 | 6:14 | 6:13 | 6:12 | 6:11 | 6:10 | 6:09 | 6:08 | 6:07 | 6:06 | 6:05 | 6:04 | 6:04 | 6:03 | 6:02 | 6:01 |
| Sunset (PM) | 6:42 | 6:43 | 6:43 | 6:43 | 6:44 | 6:44 | 6:45 | 6:45 | 6:46 | 6:46 | 6:46 | 6:47 | 6:47 | 6:48 | 6:48 | 6:49 | 6:49 | 6:50 | 6:50 | 6:51 | 6:51 | 6:51 | 6:52 | 6:52 | 6:53 | 6:53 | 6:54 | 6:54 | 6:55 | 6:55 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 6:29 | 6:42 |
| 2 | 12.2 | 6:28 | 6:43 |
| 3 | 12.3 | 6:27 | 6:43 |
| 4 | 12.3 | 6:26 | 6:43 |
| 5 | 12.3 | 6:25 | 6:44 |
| 6 | 12.3 | 6:24 | 6:44 |
| 7 | 12.4 | 6:23 | 6:45 |
| 8 | 12.4 | 6:22 | 6:45 |
| 9 | 12.4 | 6:21 | 6:46 |
| 10 | 12.4 | 6:20 | 6:46 |
| 11 | 12.5 | 6:19 | 6:46 |
| 12 | 12.5 | 6:18 | 6:47 |
| 13 | 12.5 | 6:17 | 6:47 |
| 14 | 12.5 | 6:16 | 6:48 |
| 15 | 12.6 | 6:15 | 6:48 |
| 16 | 12.6 | 6:14 | 6:49 |
| 17 | 12.6 | 6:13 | 6:49 |
| 18 | 12.6 | 6:12 | 6:50 |
| 19 | 12.7 | 6:11 | 6:50 |
| 20 | 12.7 | 6:10 | 6:51 |
| 21 | 12.7 | 6:09 | 6:51 |
| 22 | 12.7 | 6:08 | 6:51 |
| 23 | 12.7 | 6:07 | 6:52 |
| 24 | 12.8 | 6:06 | 6:52 |
| 25 | 12.8 | 6:05 | 6:53 |
| 26 | 12.8 | 6:04 | 6:53 |
| 27 | 12.8 | 6:04 | 6:54 |
| 28 | 12.9 | 6:03 | 6:54 |
| 29 | 12.9 | 6:02 | 6:55 |
| 30 | 12.9 | 6:01 | 6:55 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 7.28 kWh/m².
For context, solar energy here swings from a low near 4.22 kWh/m² to a high of 7.68 kWh/m² in June across the year — April's 7.28 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.1 | 7.1 | 7.1 | 7.1 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.3 | 7.3 | 7.3 | 7.3 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.0 | Intense |
| 2 | 7.0 | Intense |
| 3 | 7.0 | Intense |
| 4 | 7.0 | Intense |
| 5 | 7.0 | Intense |
| 6 | 7.1 | Intense |
| 7 | 7.1 | Intense |
| 8 | 7.1 | Intense |
| 9 | 7.1 | Intense |
| 10 | 7.2 | Intense |
| 11 | 7.2 | Intense |
| 12 | 7.2 | Intense |
| 13 | 7.2 | Intense |
| 14 | 7.2 | Intense |
| 15 | 7.3 | Intense |
| 16 | 7.3 | Intense |
| 17 | 7.3 | Intense |
| 18 | 7.3 | Intense |
| 19 | 7.4 | Intense |
| 20 | 7.4 | Intense |
| 21 | 7.4 | Intense |
| 22 | 7.4 | Intense |
| 23 | 7.4 | Intense |
| 24 | 7.5 | Intense |
| 25 | 7.5 | Intense |
| 26 | 7.5 | Intense |
| 27 | 7.5 | Intense |
| 28 | 7.5 | Intense |
| 29 | 7.5 | Intense |
| 30 | 7.5 | Intense |
Hazard calendar for Umluj
In April, Umluj sits inside its dust season. The full year is below, with each hazard's peak months called out.
Umluj sees seasonal dust haze (April–June), heaviest in May.
Is April a good time to visit Umluj?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is one of the better times to visit Umluj for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Umluj in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Umluj sees daytime highs around 27°C and nights near 23°C. Pack sun protection. Worth having: light clothes.
Sea temperature near Umluj in April
The nearest coast averages about 25°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 18 km away) is warmest in August at about 30°C and coldest in February near 24°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 25 | 24 | 24 | 25 | 27 | 28 | 30 | 30 | 29 | 29 | 28 | 26 |
| Comfort | Warm | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 25 | Warm |
| Feb | 24 | Refreshing |
| Mar | 24 | Refreshing |
| Apr | 25 | Warm |
| May | 27 | Warm |
| Jun | 28 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Warm |
| Dec | 26 | Warm |
UV index in Umluj in April
Clear-sky midday UV in April peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Umluj peaks around June 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (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) | 5 | 7 | 10 | 9 | 11 | 11 | 10 | 11 | 10 | 8 | 6 | 4 |
| Level | Moderate | Very high | Very high | Very high | Extreme | Extreme | Very high | Extreme | Very high | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | Moderate |
| Feb | 7 | Very high |
| Mar | 10 | Very high |
| Apr | 9 | Very high |
| May | 11 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Very high |
| Aug | 11 | Extreme |
| Sep | 10 | Very high |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 4 | Moderate |
Air quality in Umluj in April
Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.
Air quality in Umluj is worst in April — around 31 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 16 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) | 23 | 22 | 29 | 31 | 27 | 23 | 18 | 21 | 22 | 18 | 16 | 22 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 23 | Moderate |
| Feb | 22 | Moderate |
| Mar | 29 | Moderate |
| Apr | 31 | Moderate |
| May | 27 | Moderate |
| Jun | 23 | Moderate |
| Jul | 18 | Moderate |
| Aug | 21 | Moderate |
| Sep | 22 | Moderate |
| Oct | 18 | Moderate |
| Nov | 16 | Moderate |
| Dec | 22 | Moderate |
Where is Umluj?
Umluj sits at 25.0°N, 37.3°E, 4 m above sea level, in Saudi Arabia. The nearest listed city is Yanbu, 131 km away.
Topography around Umluj
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Umluj.
Within 3 km, the terrain around Umluj has only modest variations in elevation — a maximum elevation change of 138 m around an average of 25 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 291 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,860 m.
The land around Umluj is covered by water (43%) and bare terrain (40%) within 3 km, bare terrain (50%) and water (48%) within 16 km, and bare terrain (61%) and water (38%) 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 Umluj (25.0213°, 37.2685°, elevation 4 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).