Mahdishahr weather in January

In January, Mahdishahr sees average daytime highs of 2°C and overnight lows near -5°C, with 24 mm of precipitation across 5.9 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 2°C through the month. The sky is clear or mostly clear about 51% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Mahdishahr's 6th-clearest and 10th-windiest month. For the whole year in context, see Mahdishahr's year-round climate.

Daytime high
12th warmest
Overnight low
-5°
1st coldest
Precipitation
24 mm
5.9 wet days
Daylight
9 h 48 min
7:11 AM – 5:01 PM
Cloud cover
43%
6th clearest
Wind
5 km/h
10th windiest
Solar energy
3.29 kWh/m²
Travel score
0.0
out of 10

Mahdishahr is city in Semnan Province, Iran.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 2°C through the month.

A typical January day in Mahdishahr reaches about 2°C in the afternoon and slips back to -5°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -3°C and 7°C. Set against its neighbours, January runs about 2°C cooler than December and about 2°C cooler than February.

-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
13-4
23-4
33-4
43-4
52-4
62-4
72-4
82-4
92-5
102-5
112-5
122-5
131-5
141-5
151-5
161-5
171-5
181-5
191-5
201-5
211-5
221-5
231-5
241-5
251-5
261-5
272-5
282-5
292-5
302-5
312-5

How January really feels in Mahdishahr

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
wind chill below the day's low

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Mahdishahr weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°245.96.59.90.0
Feb / -4°316.96.610.60.0
Mar / 509.2711.71.5
Apr14° / 5910.72.712.94.3
May20° / 11°5712.20.313.96.2
Jun25° / 15°287.9014.47.5
Jul28° / 18°195.1014.27.5
Aug27° / 17°174.9013.37.9
Sep24° / 14°225.8012.28.1
Oct17° / 2970.611.16.3
Nov / 306.94.310.12.2
Dec / -3°235.95.89.60.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26733
36634
46535
56535
66436
76436
86337
96337
106238
116238
126238
136238
146238
156238
166238
176238
186238
196238
206337
216337
226337
236436
246535
256535
266436
276436
286535
296535
306535
316535

Chance of precipitation in January

Any precipitationSnow

Mahdishahr gets around 24 mm of rain and snow over 5.9 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 19% and peaks near 22% on the wettest days, and about 7 days bring snow. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
11516
21516
31517
41617
51617
61618
71719
81719
91820
101920
111921
121921
132021
142022
152022
162022
172022
182022
192022
202022
212022
222022
232022
242022
252022
262122
272122
282122
292222
302222
312222

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 36 min at the start of January to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 7:11 AM to 7:04 AM, and sunset from 4:48 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:114:48
29.67:114:49
39.67:114:50
49.67:124:51
59.77:124:51
69.77:124:52
79.77:124:53
89.77:124:54
99.77:124:55
109.77:124:55
119.77:124:56
129.87:124:57
139.87:124:58
149.87:114:59
159.87:115:00
169.87:115:01
179.87:115:02
189.97:105:03
199.97:105:04
209.97:105:05
219.97:095:06
2210.07:095:07
2310.07:095:07
2410.07:085:08
2510.07:085:09
2610.17:075:10
2710.17:075:11
2810.17:065:13
2910.17:065:14
3010.27:055:15
3110.27:045:16

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.29 kWh/m².

For context, solar energy here swings from a low near 2.85 kWh/m² to a high of 6.95 kWh/m² in June across the year — January's 3.29 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
33.0Moderate
43.0Moderate
53.0Moderate
63.0Moderate
73.1Moderate
83.1Moderate
93.1Moderate
103.1Moderate
113.1Moderate
123.2Moderate
133.2Moderate
143.2Moderate
153.2Moderate
163.3Moderate
173.3Moderate
183.3Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.7Moderate
293.7Moderate
303.7Moderate
313.8Moderate
Planning a trip in January

Is January a good time to visit Mahdishahr?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Mahdishahr.

What to pack for Mahdishahr in January

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

In January, Mahdishahr sees daytime highs around 2°C and nights near -5°C. Pack a warm layer and a heavy coat. About 6 days see rain.

a warm layera heavy coat

UV index in Mahdishahr in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mahdishahr peaks around July 19 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 19UV 11Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb5High
Mar5Moderate
Apr8Very high
May10Very high
Jun10Very high
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Mahdishahr 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 Mahdishahr is worst in December — around 45 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (July, 22 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorDec 1944 µg/m³Jul 1822 µg/m³
PM2.5 (µg/m³)Level
Jan43Poor
Feb41Poor
Mar39Poor
Apr38Poor
May33Moderate
Jun25Moderate
Jul22Moderate
Aug24Moderate
Sep31Moderate
Oct36Poor
Nov41Poor
Dec45Poor
Location & terrain

Where is Mahdishahr?

Mahdishahr sits at 35.7°N, 53.4°E, 1,600 m above sea level, in Iran. The nearest listed city is Semnan, 15 km away.

DāmghānNekāGarmsār

Topography around Mahdishahr

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

Within 3 km, the terrain around Mahdishahr has large variations in elevation — a maximum elevation change of 628 m around an average of 1,736 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,150 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,814 m.

The land around Mahdishahr is covered by bare terrain (79%) within 3 km, bare terrain (64%) and grassland (31%) within 16 km, and bare terrain (56%) and grassland (26%) within 80 km.

3 km
628 m
16 km
2,150 m
80 km
3,814 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Semnan 15 km · Fīrūzkūh 53 km · Zīr Āb 62 km · Qā’em Shahr 95 km · Sari 98 km · Dāmghān 103 km · Nekā 105 km · Garmsār 107 km

Iran travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
220 V · 50 Hz
Prices
≈ 352% of US
price level, 2025
GDP per capita
$3,924
2025
Happiness
5.2 / 10
World Happiness, 2025
Safe drinking water
94%
of population, 2024
Homicide rate
2.4
per 100k, 2014
Road deaths
21.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 492
Religion
Muslim 99%Christian 1%Baha'i 0%agnostic 0%

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 Mahdishahr (35.7107°, 53.3539°, elevation 1,600 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).