Ad Dilam weather in January

In January, Ad Dilam sees average daytime highs of 22°C and overnight lows near 10°C, with 8 mm of rain across 1.7 wet days and about 10.7 hours of daylight. It is the 12th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 74% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 30 min at the start of January to 10 h 54 min by month's end. Set against the rest of the year, January is Ad Dilam's 10th-clearest and 6th-windiest month. For the whole year in context, see Ad Dilam's year-round climate.

Daytime high: 22°; 12th warmest
Overnight low: 10°; 1st coldest
Rainfall: 8 mm; 1.7 wet days
Daylight: 10 h 42 min; 6:41 AM – 5:21 PM
Cloud cover: 25%; 10th clearest
Wind: 12 km/h; 6th windiest
Solar energy: 4.48 kWh/m²
Travel score: 8.5; out of 10

← December Ad Dilam year-round climate February →Best places to visit in January

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical January day in Ad Dilam reaches about 22°C in the afternoon and slips back to 10°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 27°C. Set against its neighbours, January runs about 1°C cooler than December and about 3°C cooler than February.

	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	31
Avg high (°C)	22	22	22	22	22	22	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	22	22	22	22	22	22	22	22	23
Avg low (°C)	10	10	10	10	10	10	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	10	10

	Avg high (°C)	Avg low (°C)
1	22	10
2	22	10
3	22	10
4	22	10
5	22	10
6	22	10
7	21	9
8	21	9
9	21	9
10	21	9
11	21	9
12	21	9
13	21	9
14	21	9
15	21	9
16	21	9
17	21	9
18	21	9
19	21	9
20	21	9
21	21	9
22	21	9
23	22	10
24	22	10
25	22	10
26	22	10
27	22	10
28	22	10
29	22	10
30	22	10
31	23	10

How January really feels in Ad Dilam

Once humidity and wind are folded in, January 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.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ad Dilam weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 5th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	22° / 10°	8	1.7	10.7	8.5
Feb	24° / 12°	7	1.3	11.2	9.1
Mar	29° / 16°	8	1.5	11.8	7.2
Apr	35° / 21°	11	2	12.5	3.5
May	40° / 26°	1	0.3	13.1	0.4
Jun	43° / 28°	0	0	13.5	0.0
Jul	44° / 29°	0	0	13.3	0.0
Aug	44° / 29°	0	0	12.8	0.0
Sep	41° / 25°	0	0	12.1	0.2
Oct	35° / 20°	1	0.2	11.4	3.2
Nov	28° / 15°	8	1.2	10.8	7.7
Dec	23° / 11°	8	1.5	10.5	8.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to open up as the month goes on.

	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	31
Clearer (%)	84	84	83	83	82	82	81	81	81	81	81	81	81	81	82	83	83	84	84	84	86	86	86	87	87	87	88	88	88	88	90
Cloudier (%)	16	16	17	17	18	18	19	19	19	19	19	19	19	19	18	17	17	16	16	16	14	14	14	13	13	13	12	12	12	12	10

	Clearer (%)	Cloudier (%)
1	84	16
2	84	16
3	83	17
4	83	17
5	82	18
6	82	18
7	81	19
8	81	19
9	81	19
10	81	19
11	81	19
12	81	19
13	81	19
14	81	19
15	82	18
16	83	17
17	83	17
18	84	16
19	84	16
20	84	16
21	86	14
22	86	14
23	86	14
24	87	13
25	87	13
26	87	13
27	88	12
28	88	12
29	88	12
30	88	12
31	90	10

Chance of precipitation in January

Any precipitation

Ad Dilam gets around 8 mm of rain over 1.7 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 6% and peaks near 7% 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	31
Rain chance (%)	4	4	5	5	5	5	6	6	6	6	7	7	7	7	7	7	6	6	6	6	6	6	5	5	5	5	5	5	5	5	5

	Rain chance (%)
1	4
2	4
3	5
4	5
5	5
6	5
7	6
8	6
9	6
10	6
11	7
12	7
13	7
14	7
15	7
16	7
17	6
18	6
19	6
20	6
21	6
22	6
23	5
24	5
25	5
26	5
27	5
28	5
29	5
30	5
31	5

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

	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	31
Dry (%)	98	97	97	97	97	97	97	97	97	97	97	98	98	98	98	98	99	99	99	99	99	99	99	99	99	99	99	98	98	98	98
Comfortable (%)	2	3	3	3	3	3	3	3	3	3	3	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2

	Dry (%)	Comfortable (%)
1	98	2
2	97	3
3	97	3
4	97	3
5	97	3
6	97	3
7	97	3
8	97	3
9	97	3
10	97	3
11	97	3
12	98	2
13	98	2
14	98	2
15	98	2
16	98	2
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	98	2
29	98	2
30	98	2
31	98	2

Wind in January

Winds average 12 km/h in January.

Across January, daily wind ranges from about 11 km/h on the calmest days to 13 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	31
Wind speed (km/h)	11	11	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	13	13	13	13	13	13
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	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	11	calm
2	11	calm
3	12	calm
4	12	calm
5	12	calm
6	12	calm
7	12	calm
8	12	calm
9	12	calm
10	12	calm
11	12	calm
12	12	calm
13	12	calm
14	12	calm
15	12	calm
16	12	light breeze
17	12	light breeze
18	12	light breeze
19	12	light breeze
20	12	light breeze
21	12	light breeze
22	12	light breeze
23	12	light breeze
24	12	light breeze
25	12	light breeze
26	13	light breeze
27	13	light breeze
28	13	light breeze
29	13	light breeze
30	13	light breeze
31	13	light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 30 min at the start of January to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over January. Sunrise moves from 6:38 AM to 6:38 AM, and sunset from 5:11 PM to 5:31 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	31
Daylight (h)	10.5	10.5	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.7	10.7	10.7	10.7	10.7	10.7	10.7	10.7	10.8	10.8	10.8	10.8	10.8	10.8	10.9	10.9	10.9
Sunrise (AM)	6:38	6:39	6:39	6:39	6:39	6:40	6:40	6:40	6:40	6:40	6:40	6:40	6:41	6:41	6:41	6:41	6:41	6:41	6:41	6:40	6:40	6:40	6:40	6:40	6:40	6:40	6:39	6:39	6:39	6:38	6:38
Sunset (PM)	5:11	5:11	5:12	5:13	5:13	5:14	5:15	5:15	5:16	5:17	5:17	5:18	5:19	5:19	5:20	5:21	5:21	5:22	5:23	5:23	5:24	5:25	5:26	5:26	5:27	5:28	5:28	5:29	5:30	5:31	5:31

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.5	6:38	5:11
2	10.5	6:39	5:11
3	10.6	6:39	5:12
4	10.6	6:39	5:13
5	10.6	6:39	5:13
6	10.6	6:40	5:14
7	10.6	6:40	5:15
8	10.6	6:40	5:15
9	10.6	6:40	5:16
10	10.6	6:40	5:17
11	10.6	6:40	5:17
12	10.6	6:40	5:18
13	10.6	6:41	5:19
14	10.6	6:41	5:19
15	10.7	6:41	5:20
16	10.7	6:41	5:21
17	10.7	6:41	5:21
18	10.7	6:41	5:22
19	10.7	6:41	5:23
20	10.7	6:40	5:23
21	10.7	6:40	5:24
22	10.7	6:40	5:25
23	10.8	6:40	5:26
24	10.8	6:40	5:26
25	10.8	6:40	5:27
26	10.8	6:40	5:28
27	10.8	6:39	5:28
28	10.8	6:39	5:29
29	10.9	6:39	5:30
30	10.9	6:38	5:31
31	10.9	6:38	5:31

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.48 kWh/m².

For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 7.69 kWh/m² in June across the year — January's 4.48 kWh/m² sits near the bottom.

	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	31
Solar energy (kWh/m²)	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.4	4.4	4.4	4.4	4.4	4.4	4.5	4.5	4.5	4.5	4.6	4.6	4.6	4.7	4.7	4.7	4.8	4.8	4.8	4.9	4.9
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.3	Bright
2	4.3	Bright
3	4.3	Bright
4	4.3	Bright
5	4.3	Bright
6	4.3	Bright
7	4.3	Bright
8	4.3	Bright
9	4.3	Bright
10	4.3	Bright
11	4.4	Bright
12	4.4	Bright
13	4.4	Bright
14	4.4	Bright
15	4.4	Bright
16	4.4	Bright
17	4.5	Bright
18	4.5	Bright
19	4.5	Bright
20	4.5	Bright
21	4.6	Bright
22	4.6	Bright
23	4.6	Bright
24	4.7	Bright
25	4.7	Bright
26	4.7	Bright
27	4.8	Bright
28	4.8	Bright
29	4.8	Bright
30	4.9	Bright
31	4.9	Bright

Planning a trip in January

Hazard calendar for Ad Dilam

In seasonPeak

None of Ad Dilam's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 January a good time to visit Ad Dilam?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.5

Sightseeing

3rd-best month of the year

5.6

Beach & pool

7th-best month of the year

January is one of the better times to visit Ad Dilam for general sightseeing.

What to pack for Ad Dilam in January

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

In January, Ad Dilam sees daytime highs around 22°C and nights near 10°C. Little to plan around — just the basics.

UV index in Ad Dilam in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 6 — enough to warrant sun protection. 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	6	7	9	7	10	9	11	10	9	9	6	4
Level	High	Very high	Very high	Very high	Very high	Very high	Extreme	Extreme	Very high	Very high	High	Moderate

	UV index (midday)	Level
Jan	6	High
Feb	7	Very high
Mar	9	Very high
Apr	7	Very high
May	10	Very high
Jun	9	Very high
Jul	11	Extreme
Aug	10	Extreme
Sep	9	Very high
Oct	9	Very high
Nov	6	High
Dec	4	Moderate

Air quality in Ad Dilam in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	51	57	72	71	68	60	59	52	42	38	44	47
Level	Poor	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Poor	Poor	Poor	Poor	Poor

	PM2.5 (µg/m³)	Level
Jan	51	Poor
Feb	57	Unhealthy
Mar	72	Unhealthy
Apr	71	Unhealthy
May	68	Unhealthy
Jun	60	Unhealthy
Jul	59	Unhealthy
Aug	52	Poor
Sep	42	Poor
Oct	38	Poor
Nov	44	Poor
Dec	47	Poor

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.

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

bare terrain 64%

16 km

145 m

bare terrain 83%

80 km

804 m

bare terrain 96%

treesshrubscroplandartificial surfacesbare terrain

← December Ad Dilam year-round climate February →Best places to visit in January

January 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. 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).

	Avg high (°C)	Avg low (°C)
1	22	10
2	22	10
3	22	10
4	22	10
5	22	10
6	22	10
7	21	9
8	21	9
9	21	9
10	21	9
11	21	9
12	21	9
13	21	9
14	21	9
15	21	9
16	21	9
17	21	9
18	21	9
19	21	9
20	21	9
21	21	9
22	21	9
23	22	10
24	22	10
25	22	10
26	22	10
27	22	10
28	22	10
29	22	10
30	22	10
31	23	10

	Clearer (%)	Cloudier (%)
1	84	16
2	84	16
3	83	17
4	83	17
5	82	18
6	82	18
7	81	19
8	81	19
9	81	19
10	81	19
11	81	19
12	81	19
13	81	19
14	81	19
15	82	18
16	83	17
17	83	17
18	84	16
19	84	16
20	84	16
21	86	14
22	86	14
23	86	14
24	87	13
25	87	13
26	87	13
27	88	12
28	88	12
29	88	12
30	88	12
31	90	10

	Rain chance (%)
1	4
2	4
3	5
4	5
5	5
6	5
7	6
8	6
9	6
10	6
11	7
12	7
13	7
14	7
15	7
16	7
17	6
18	6
19	6
20	6
21	6
22	6
23	5
24	5
25	5
26	5
27	5
28	5
29	5
30	5
31	5

	Dry (%)	Comfortable (%)
1	98	2
2	97	3
3	97	3
4	97	3
5	97	3
6	97	3
7	97	3
8	97	3
9	97	3
10	97	3
11	97	3
12	98	2
13	98	2
14	98	2
15	98	2
16	98	2
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	98	2
29	98	2
30	98	2
31	98	2

	Avg high (°C)	Avg low (°C)
1	22	10
2	22	10
3	22	10
4	22	10
5	22	10
6	22	10
7	21	9
8	21	9
9	21	9
10	21	9
11	21	9
12	21	9
13	21	9
14	21	9
15	21	9
16	21	9
17	21	9
18	21	9
19	21	9
20	21	9
21	21	9
22	21	9
23	22	10
24	22	10
25	22	10
26	22	10
27	22	10
28	22	10
29	22	10
30	22	10
31	23	10

	Clearer (%)	Cloudier (%)
1	84	16
2	84	16
3	83	17
4	83	17
5	82	18
6	82	18
7	81	19
8	81	19
9	81	19
10	81	19
11	81	19
12	81	19
13	81	19
14	81	19
15	82	18
16	83	17
17	83	17
18	84	16
19	84	16
20	84	16
21	86	14
22	86	14
23	86	14
24	87	13
25	87	13
26	87	13
27	88	12
28	88	12
29	88	12
30	88	12
31	90	10

	Rain chance (%)
1	4
2	4
3	5
4	5
5	5
6	5
7	6
8	6
9	6
10	6
11	7
12	7
13	7
14	7
15	7
16	7
17	6
18	6
19	6
20	6
21	6
22	6
23	5
24	5
25	5
26	5
27	5
28	5
29	5
30	5
31	5

	Dry (%)	Comfortable (%)
1	98	2
2	97	3
3	97	3
4	97	3
5	97	3
6	97	3
7	97	3
8	97	3
9	97	3
10	97	3
11	97	3
12	98	2
13	98	2
14	98	2
15	98	2
16	98	2
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	98	2
29	98	2
30	98	2
31	98	2

	Avg high (°C)	Avg low (°C)
1	22	10
2	22	10
3	22	10
4	22	10
5	22	10
6	22	10
7	21	9
8	21	9
9	21	9
10	21	9
11	21	9
12	21	9
13	21	9
14	21	9
15	21	9
16	21	9
17	21	9
18	21	9
19	21	9
20	21	9
21	21	9
22	21	9
23	22	10
24	22	10
25	22	10
26	22	10
27	22	10
28	22	10
29	22	10
30	22	10
31	23	10

	Clearer (%)	Cloudier (%)
1	84	16
2	84	16
3	83	17
4	83	17
5	82	18
6	82	18
7	81	19
8	81	19
9	81	19
10	81	19
11	81	19
12	81	19
13	81	19
14	81	19
15	82	18
16	83	17
17	83	17
18	84	16
19	84	16
20	84	16
21	86	14
22	86	14
23	86	14
24	87	13
25	87	13
26	87	13
27	88	12
28	88	12
29	88	12
30	88	12
31	90	10

	Rain chance (%)
1	4
2	4
3	5
4	5
5	5
6	5
7	6
8	6
9	6
10	6
11	7
12	7
13	7
14	7
15	7
16	7
17	6
18	6
19	6
20	6
21	6
22	6
23	5
24	5
25	5
26	5
27	5
28	5
29	5
30	5
31	5

	Dry (%)	Comfortable (%)
1	98	2
2	97	3
3	97	3
4	97	3
5	97	3
6	97	3
7	97	3
8	97	3
9	97	3
10	97	3
11	97	3
12	98	2
13	98	2
14	98	2
15	98	2
16	98	2
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	98	2
29	98	2
30	98	2
31	98	2