Ad Dilam in Spring

In spring (March, April and May), Ad Dilam sees average daytime highs around 35°C and overnight lows near 21°C, with 20 mm of rain over about 4 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.

Over the season highs climb from about 27°C in early March to 42°C by late May. The sky is clear or mostly clear about 75% of the time across spring, and the air most often feels dry.

Spring is Ad Dilam's 3rd-best season to visit on our travel score. For the whole year in context, see Ad Dilam's year-round climate.

Avg daytime high
35°C
3rd-warmest season
Avg overnight low
21°C
Rainfall
20 mm
4 wet days
Avg wind
13 km/h
Travel score
3.7
3rd-best season
Months
Mar · Apr · May

Temperature in Ad Dilam in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 27°C in early March to 42°C by late May.

A typical spring day in Ad Dilam reaches about 35°C and drops to 21°C overnight. The warmest of the three months is May, the coolest March.

10°20°30°40°MarAprMay

How spring really feels in Ad Dilam

Once humidity and wind are folded in, spring brings about 60 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
60
23 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Ad Dilam weather by month

How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 10°81.710.78.5
Feb24° / 12°71.311.29.1
Mar29° / 16°81.511.87.2
Apr35° / 21°11212.53.5
May40° / 26°10.313.10.4
Jun43° / 28°0013.50.0
Jul44° / 29°0013.30.0
Aug44° / 29°0012.80.0
Sep41° / 25°0012.10.2
Oct35° / 20°10.211.43.2
Nov28° / 15°81.210.87.7
Dec23° / 11°81.510.58.9

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 75% of the time across spring.

0%25%50%75%100%MarAprMay

Chance of precipitation in Spring

Any precipitation

Ad Dilam gets around 20 mm of rain over 4 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%MarAprMay

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%MarAprMay

Wind in Spring

Winds average 13 km/h across spring.

05101520MarAprMay

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 30 min in early March to 13 h 24 min by late May. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMMarAprMay

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 7.0 kWh/m².

02468MarAprMay
Planning a trip in spring

Hazard calendar for Ad Dilam

In seasonPeak

In spring, Ad Dilam overlaps its dust season. The full year is below, with each hazard's peak months called out.

Ad Dilam sees seasonal dust haze (February–September), heaviest in May.

Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is spring a good time to visit Ad Dilam?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

3.7
Sightseeing
3rd-best month of the year
6.3
Beach & pool
2nd-best month of the year

spring is a weaker month for outdoor sightseeing in Ad Dilam. The water and warmth also suit a beach or pool day.

What to pack for Ad Dilam in Spring

From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In spring, Ad Dilam sees daytime highs around 35°C and nights near 21°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Ad Dilam in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages 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 Ad Dilam peaks around July 20 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJul 20UV 11Dec 17UV 5
UV index (midday)Level
Jan6High
Feb7Very high
Mar9Very high
Apr7Very high
May10Very high
Jun9Very high
Jul11Extreme
Aug10Extreme
Sep9Very high
Oct9Very high
Nov6High
Dec4Moderate

Air quality in Ad Dilam in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.

Air quality in Ad Dilam is worst in March — around 72 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (October, 38 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorMar 2372 µg/m³Oct 1539 µg/m³
PM2.5 (µg/m³)Level
Jan51Poor
Feb57Unhealthy
Mar72Unhealthy
Apr71Unhealthy
May68Unhealthy
Jun60Unhealthy
Jul59Unhealthy
Aug52Poor
Sep42Poor
Oct38Poor
Nov44Poor
Dec47Poor
Location & terrain

Where is Ad Dilam?

Ad Dilam sits at 24.0°N, 47.2°E, 453 m above sea level, in Saudi Arabia. The nearest listed city is Al Kharj, 25 km away.

RumāḩLayláShaqra

Topography around Ad Dilam

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ad Dilam.

Within 3 km, the terrain around Ad Dilam has only modest variations in elevation — a maximum elevation change of 45 m around an average of 451 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 145 m; within 80 km, large variations in elevation — a maximum elevation change of 804 m.

The land around Ad Dilam is covered by bare terrain (64%) within 3 km, bare terrain (83%) within 16 km, and bare terrain (96%) within 80 km.

3 km
45 m
16 km
145 m
80 km
804 m
treesshrubscroplandartificial surfacesbare terrain
Spring weather nearby: Al Kharj 25 km · Ḥawṭah Banī Tamīm 62 km · Riyadh 89 km · ‘Irqah 95 km · Ad Dir‘īyah 106 km · Rumāḩ 175 km · Laylá 194 km · Shaqra 238 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 Ad Dilam (23.991°, 47.1618°, elevation 453 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.