Sīmīn Shahr weather in January

In January, Sīmīn Shahr sees average daytime highs of 13°C and overnight lows near 5°C, with 61 mm of precipitation across 8.7 wet days and about 9.7 hours of daylight. It is the 12th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 13°C through the month. The sky is clear or mostly clear about 45% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of January to 10 h 06 min by month's end. Set against the rest of the year, January is Sīmīn Shahr's 9th-clearest and 9th-windiest month. For the whole year in context, see Sīmīn Shahr's year-round climate.

Daytime high
13°
12th warmest
Overnight low
1st coldest
Precipitation
61 mm
8.7 wet days
Daylight
9 h 42 min
7:11 AM – 4:54 PM
Cloud cover
49%
9th clearest
Wind
7 km/h
9th windiest
Solar energy
2.54 kWh/m²
Travel score
3.7
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 13°C through the month.

A typical January day in Sīmīn Shahr reaches about 13°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 8°C and 17°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C cooler than February.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1136
2136
3136
4136
5136
6136
7136
8136
9136
10136
11135
12125
13125
14125
15125
16125
17125
18125
19125
20125
21125
22125
23125
24125
25125
26135
27135
28135
29135
30135
31135

How January really feels in Sīmīn Shahr

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
0
heat index over the day's high
Days feeling ≤ C
0
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.

Sīmīn Shahr weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan13° / 618.70.29.73.7
Feb13° / 658.90.810.64.0
Mar17° / 669.6011.75.5
Apr21° / 14°457.2012.97.1
May26° / 18°284.70147.5
Jun30° / 23°163.2014.56.0
Jul32° / 25°184.5014.34.7
Aug33° / 26°153.4013.44.4
Sep30° / 22°345.2012.35.9
Oct25° / 17°545.50117.9
Nov19° / 11°748.40.2106.4
Dec14° / 547.90.29.54.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% 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 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26238
36238
46139
56139
66040
76040
85941
95842
105743
115743
125743
135743
145743
155644
165644
175644
185644
195644
205644
215644
225644
235545
245644
255644
265644
275644
285743
295743
305842
315842

Chance of precipitation in January

Any precipitationSnow

Sīmīn Shahr gets around 61 mm of rain and snow over 8.7 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 28% and peaks near 31% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1230
2230
3230
4240
5240
6250
7250
8260
9260
10270
11270
12270
13280
14280
15280
16290
17290
18290
19290
20291
21301
22301
23301
24301
25302
26302
27312
28313
29313
30313
31313

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 7 km/h in January.

Across January, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 30 min at the start of January to 10 h 06 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 7:03 AM, and sunset from 4:41 PM to 5:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.57:114:41
29.57:114:42
39.57:124:43
49.57:124:43
59.57:124:44
69.67:124:45
79.67:124:46
89.67:124:47
99.67:124:48
109.67:124:48
119.67:124:49
129.67:124:50
139.77:114:51
149.77:114:52
159.77:114:53
169.77:114:54
179.77:104:55
189.87:104:56
199.87:104:57
209.87:094:58
219.87:094:59
229.97:095:00
239.97:085:01
249.97:085:02
259.97:075:03
2610.07:075:04
2710.07:065:05
2810.07:055:06
2910.07:055:07
3010.17:045:08
3110.17:035:09

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.54 kWh/m².

For context, solar energy here swings from a low near 2.25 kWh/m² to a high of 6.51 kWh/m² in June across the year — January's 2.54 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.4Moderate
32.4Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.6Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.6Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.9Moderate
312.9Moderate
Planning a trip in January

Is January a good time to visit Sīmīn Shahr?

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

3.7
Sightseeing
12th-best month of the year
0.0
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Sīmīn Shahr.

What to pack for Sīmīn Shahr in January

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

In January, Sīmīn Shahr sees daytime highs around 13°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Sīmīn Shahr in January

The nearest coast averages about 12°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 34 km away) is warmest in August at about 29°C and coldest in February near 11°C.

It's comfortable for a long swim from May 13 to Nov 6 — about 5.9 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb11Bracing
Mar12Bracing
Apr16Cool
May21Refreshing
Jun25Warm
Jul28Warm
Aug29Tropical
Sep27Warm
Oct23Refreshing
Nov19Cool
Dec15Bracing

UV index in Sīmīn Shahr in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sīmīn Shahr peaks around July 18 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 18UV 10Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May7Very high
Jun8Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Moderate

Air quality in Sīmīn Shahr 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 Sīmīn Shahr is worst in September — around 29 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 2029 µg/m³Jul 1519 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb23Moderate
Mar25Moderate
Apr25Moderate
May22Moderate
Jun21Moderate
Jul19Moderate
Aug22Moderate
Sep29Moderate
Oct27Moderate
Nov25Moderate
Dec23Moderate
Location & terrain

Where is Sīmīn Shahr?

Sīmīn Shahr sits at 37.0°N, 54.2°E, -18 m above sea level, in Iran. The nearest listed city is Gomīshān, 15 km away.

Topography around Sīmīn Shahr

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

Within 3 km, the terrain around Sīmīn Shahr has only modest variations in elevation — a maximum elevation change of 6 m around an average of -21 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 21 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,905 m.

The land around Sīmīn Shahr is covered by cropland (76%) within 3 km, cropland (87%) within 16 km, and bare terrain (24%), cropland (22%) and water (21%) within 80 km.

3 km
6 m
16 km
21 m
80 km
3,905 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Gomīshān 15 km · Bandar-e Torkaman 19 km · Āq Qalā 20 km · Kord Kūy 27 km · Gorgān 27 km · Bandar-e Gaz 37 km · Fāẕelābād 48 km · Galūgāh 49 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 Sīmīn Shahr (37.0142°, 54.23°, elevation -18 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).