Rumāḩ weather in January

In January, Rumāḩ sees average daytime highs of 19°C and overnight lows near 9°C, with 15 mm of rain across 2.9 wet days and about 10.6 hours of daylight. It is the 12th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 68% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of January to 10 h 48 min by month's end. Set against the rest of the year, January is Rumāḩ's 11th-clearest and 8th-windiest month. For the whole year in context, see Rumāḩ's year-round climate.

Daytime high: 19°; 12th warmest
Overnight low: 9°; 1st coldest
Rainfall: 15 mm; 2.9 wet days
Daylight: 10 h 36 min; 6:44 AM – 5:18 PM
Cloud cover: 30%; 11th clearest
Wind: 14 km/h; 8th windiest
Solar energy: 4.26 kWh/m²
Travel score: 7.8; out of 10

← December Rumāḩ 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 19°C through the month.

A typical January day in Rumāḩ reaches about 19°C in the afternoon and slips back to 9°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 25°C. Set against its neighbours, January runs about 2°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)	20	20	20	20	20	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	20	20	20	20	20	20	20	21
Avg low (°C)	9	9	9	9	9	9	9	9	9	9	9	9	9	8	8	8	8	8	8	9	9	9	9	9	9	9	9	9	9	9	9

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

How January really feels in Rumāḩ

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.

Rumāḩ weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 2nd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	19° / 9°	15	2.9	10.6	7.8
Feb	22° / 11°	8	1.6	11.1	8.7
Mar	27° / 15°	14	2.6	11.8	8.0
Apr	33° / 20°	13	2.7	12.6	4.5
May	39° / 25°	4	0.5	13.2	1.0
Jun	42° / 28°	0	0	13.6	0.0
Jul	43° / 29°	0	0	13.4	0.0
Aug	43° / 29°	0	0	12.9	0.0
Sep	40° / 26°	0	0	12.2	0.4
Oct	35° / 21°	1	0.2	11.4	3.7
Nov	26° / 15°	19	2.9	10.8	8.0
Dec	21° / 10°	15	2.8	10.4	8.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 21%. 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 (%)	79	79	78	77	77	76	76	75	75	75	75	76	77	77	77	78	79	79	80	81	81	82	82	83	83	84	84	84	85	85	85
Cloudier (%)	21	21	22	23	23	24	24	25	25	25	25	24	23	23	23	22	21	21	20	19	19	18	18	17	17	16	16	16	15	15	15

	Clearer (%)	Cloudier (%)
1	79	21
2	79	21
3	78	22
4	77	23
5	77	23
6	76	24
7	76	24
8	75	25
9	75	25
10	75	25
11	75	25
12	76	24
13	77	23
14	77	23
15	77	23
16	78	22
17	79	21
18	79	21
19	80	20
20	81	19
21	81	19
22	82	18
23	82	18
24	83	17
25	83	17
26	84	16
27	84	16
28	84	16
29	85	15
30	85	15
31	85	15

Chance of precipitation in January

Any precipitation

Rumāḩ gets around 15 mm of rain over 2.9 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 9% and peaks near 11% 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 (%)	9	10	10	11	11	11	11	11	11	11	11	11	11	10	10	10	9	9	9	8	8	8	7	7	7	7	6	6	6	6	6

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

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 (%)	97	97	97	97	97	97	97	97	97	97	97	97	97	97	97	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98
Comfortable (%)	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2

	Dry (%)	Comfortable (%)
1	97	3
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	97	3
13	97	3
14	97	3
15	97	3
16	98	2
17	98	2
18	98	2
19	98	2
20	98	2
21	98	2
22	98	2
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	98	2
29	98	2
30	98	2
31	98	2

Wind in January

Winds average 14 km/h in January.

Across January, daily wind ranges from about 14 km/h on the calmest days to 15 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)	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	15	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	light breeze

	Wind speed (km/h)	Feels
1	14	light breeze
2	14	light breeze
3	14	light breeze
4	14	light breeze
5	14	light breeze
6	14	light breeze
7	14	light breeze
8	14	light breeze
9	14	light breeze
10	14	light breeze
11	14	light breeze
12	14	light breeze
13	14	light breeze
14	14	light breeze
15	14	light breeze
16	14	light breeze
17	14	light breeze
18	14	light breeze
19	14	light breeze
20	14	light breeze
21	14	light breeze
22	14	light breeze
23	14	light breeze
24	14	light breeze
25	14	light breeze
26	15	light breeze
27	15	light breeze
28	15	light breeze
29	15	light breeze
30	15	light breeze
31	15	light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 24 min at the start of January to 10 h 48 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 6:42 AM to 6:41 AM, and sunset from 5:07 PM to 5:29 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)	10.4	10.4	10.4	10.4	10.5	10.5	10.5	10.5	10.5	10.5	10.5	10.5	10.5	10.5	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	10.8	10.8	10.8
Sunrise (AM)	6:42	6:42	6:42	6:42	6:43	6:43	6:43	6:43	6:43	6:43	6:43	6:44	6:44	6:44	6:44	6:44	6:44	6:44	6:43	6:43	6:43	6:43	6:43	6:43	6:42	6:42	6:42	6:42	6:41	6:41	6:41
Sunset (PM)	5:07	5:08	5:09	5:09	5:10	5:11	5:11	5:12	5:13	5:13	5:14	5:15	5:15	5:16	5:17	5:18	5:18	5:19	5:20	5:21	5:21	5:22	5:23	5:24	5:24	5:25	5:26	5:26	5:27	5:28	5:29

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.4	6:42	5:07
2	10.4	6:42	5:08
3	10.4	6:42	5:09
4	10.4	6:42	5:09
5	10.5	6:43	5:10
6	10.5	6:43	5:11
7	10.5	6:43	5:11
8	10.5	6:43	5:12
9	10.5	6:43	5:13
10	10.5	6:43	5:13
11	10.5	6:43	5:14
12	10.5	6:44	5:15
13	10.5	6:44	5:15
14	10.5	6:44	5:16
15	10.6	6:44	5:17
16	10.6	6:44	5:18
17	10.6	6:44	5:18
18	10.6	6:44	5:19
19	10.6	6:43	5:20
20	10.6	6:43	5:21
21	10.6	6:43	5:21
22	10.6	6:43	5:22
23	10.7	6:43	5:23
24	10.7	6:43	5:24
25	10.7	6:42	5:24
26	10.7	6:42	5:25
27	10.7	6:42	5:26
28	10.7	6:42	5:26
29	10.8	6:41	5:27
30	10.8	6:41	5:28
31	10.8	6:41	5:29

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.26 kWh/m².

For context, solar energy here swings from a low near 4.08 kWh/m² to a high of 7.79 kWh/m² in June across the year — January's 4.26 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)	4.1	4.1	4.1	4.1	4.1	4.1	4.1	4.1	4.1	4.1	4.1	4.1	4.2	4.2	4.2	4.2	4.3	4.3	4.3	4.3	4.4	4.4	4.5	4.5	4.5	4.6	4.6	4.6	4.7	4.7	4.8
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	4.1	Bright
2	4.1	Bright
3	4.1	Bright
4	4.1	Bright
5	4.1	Bright
6	4.1	Bright
7	4.1	Bright
8	4.1	Bright
9	4.1	Bright
10	4.1	Bright
11	4.1	Bright
12	4.1	Bright
13	4.2	Bright
14	4.2	Bright
15	4.2	Bright
16	4.2	Bright
17	4.3	Bright
18	4.3	Bright
19	4.3	Bright
20	4.3	Bright
21	4.4	Bright
22	4.4	Bright
23	4.5	Bright
24	4.5	Bright
25	4.5	Bright
26	4.6	Bright
27	4.6	Bright
28	4.6	Bright
29	4.7	Bright
30	4.7	Bright
31	4.8	Bright

Planning a trip in January

Hazard calendar for Rumāḩ

In seasonPeak

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

Rumāḩ 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 Rumāḩ?

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

7.8

Sightseeing

5th-best month of the year

3.7

Beach & pool

8th-best month of the year

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

What to pack for Rumāḩ in January

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

In January, Rumāḩ sees daytime highs around 19°C and nights near 9°C. Little to plan around — just the basics.

UV index in Rumāḩ in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rumāḩ peaks around July 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 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	8	8	10	10	12	10	9	8	6	4
Level	High	Very high	Very high	Very high	Extreme	Very high	Extreme	Extreme	Very high	Very high	High	Moderate

	UV index (midday)	Level
Jan	5	High
Feb	7	Very high
Mar	8	Very high
Apr	8	Very high
May	10	Extreme
Jun	10	Very high
Jul	12	Extreme
Aug	10	Extreme
Sep	9	Very high
Oct	8	Very high
Nov	6	High
Dec	4	Moderate

Air quality in Rumāḩ 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 Rumāḩ is worst in March — around 90 µg/m³ PM2.5 (unhealthy), about 1.8× the cleanest month (October, 50 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)	66	72	90	87	85	76	74	66	54	50	57	61
Level	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Poor	Poor	Unhealthy	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	66	Unhealthy
Feb	72	Unhealthy
Mar	90	Unhealthy
Apr	87	Unhealthy
May	85	Unhealthy
Jun	76	Unhealthy
Jul	74	Unhealthy
Aug	66	Unhealthy
Sep	54	Poor
Oct	50	Poor
Nov	57	Unhealthy
Dec	61	Unhealthy

Location & terrain

Where is Rumāḩ?

Rumāḩ sits at 25.6°N, 47.2°E, 565 m above sea level, in Saudi Arabia. The nearest listed city is Riyadh, 107 km away.

Topography around Rumāḩ

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

Within 3 km, the terrain around Rumāḩ has only modest variations in elevation — a maximum elevation change of 19 m around an average of 560 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 85 m; within 80 km, significant variations in elevation — a maximum elevation change of 434 m.

The land around Rumāḩ is covered by bare terrain (78%) and artificial surfaces (22%) within 3 km, bare terrain (99%) within 16 km, and bare terrain (100%) within 80 km.

3 km

19 m

bare terrain 78%

16 km

85 m

bare terrain 99%

80 km

434 m

bare terrain 100%

artificial surfacesbare terrain

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

January weather nearby: Riyadh 107 km · Ad Dir‘īyah 110 km · ‘Irqah 113 km · Al Kharj 158 km · Ad Dilam 175 km · Shaqra 196 km · Ḥawṭah Banī Tamīm 232 km · Al Mubarraz 244 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 Rumāḩ (25.5639°, 47.1641°, elevation 565 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	20	9
2	20	9
3	20	9
4	20	9
5	20	9
6	19	9
7	19	9
8	19	9
9	19	9
10	19	9
11	19	9
12	19	9
13	19	9
14	19	8
15	19	8
16	19	8
17	19	8
18	19	8
19	19	8
20	19	9
21	19	9
22	19	9
23	19	9
24	20	9
25	20	9
26	20	9
27	20	9
28	20	9
29	20	9
30	20	9
31	21	9

	Clearer (%)	Cloudier (%)
1	79	21
2	79	21
3	78	22
4	77	23
5	77	23
6	76	24
7	76	24
8	75	25
9	75	25
10	75	25
11	75	25
12	76	24
13	77	23
14	77	23
15	77	23
16	78	22
17	79	21
18	79	21
19	80	20
20	81	19
21	81	19
22	82	18
23	82	18
24	83	17
25	83	17
26	84	16
27	84	16
28	84	16
29	85	15
30	85	15
31	85	15

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

	Dry (%)	Comfortable (%)
1	97	3
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	97	3
13	97	3
14	97	3
15	97	3
16	98	2
17	98	2
18	98	2
19	98	2
20	98	2
21	98	2
22	98	2
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	98	2
29	98	2
30	98	2
31	98	2

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

	Clearer (%)	Cloudier (%)
1	79	21
2	79	21
3	78	22
4	77	23
5	77	23
6	76	24
7	76	24
8	75	25
9	75	25
10	75	25
11	75	25
12	76	24
13	77	23
14	77	23
15	77	23
16	78	22
17	79	21
18	79	21
19	80	20
20	81	19
21	81	19
22	82	18
23	82	18
24	83	17
25	83	17
26	84	16
27	84	16
28	84	16
29	85	15
30	85	15
31	85	15

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

	Dry (%)	Comfortable (%)
1	97	3
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	97	3
13	97	3
14	97	3
15	97	3
16	98	2
17	98	2
18	98	2
19	98	2
20	98	2
21	98	2
22	98	2
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	98	2
29	98	2
30	98	2
31	98	2

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

	Clearer (%)	Cloudier (%)
1	79	21
2	79	21
3	78	22
4	77	23
5	77	23
6	76	24
7	76	24
8	75	25
9	75	25
10	75	25
11	75	25
12	76	24
13	77	23
14	77	23
15	77	23
16	78	22
17	79	21
18	79	21
19	80	20
20	81	19
21	81	19
22	82	18
23	82	18
24	83	17
25	83	17
26	84	16
27	84	16
28	84	16
29	85	15
30	85	15
31	85	15

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

	Dry (%)	Comfortable (%)
1	97	3
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	97	3
13	97	3
14	97	3
15	97	3
16	98	2
17	98	2
18	98	2
19	98	2
20	98	2
21	98	2
22	98	2
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	98	2
29	98	2
30	98	2
31	98	2