Īstgāh-e Rāh Āhan-e Garmsār weather in January

In January, Īstgāh-e Rāh Āhan-e Garmsār sees average daytime highs of 10°C and overnight lows near 0°C, with 21 mm of precipitation across 4.8 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 10°C through the month. The sky is clear or mostly clear about 62% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Īstgāh-e Rāh Āhan-e Garmsār's 8th-clearest and 10th-windiest month. For the whole year in context, see Īstgāh-e Rāh Āhan-e Garmsār's year-round climate.

Daytime high
10°
12th warmest
Overnight low
1st coldest
Precipitation
21 mm
4.8 wet days
Daylight
9 h 54 min
7:14 AM – 5:06 PM
Cloud cover
35%
8th clearest
Wind
7 km/h
10th windiest
Solar energy
3.2 kWh/m²
Travel score
2.5
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 10°C through the month.

A typical January day in Īstgāh-e Rāh Āhan-e Garmsār reaches about 10°C in the afternoon and slips back to 0°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 14°C. Set against its neighbours, January runs about 1°C cooler than December and about 3°C cooler than February.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1101
2101
3101
4101
5100
6100
7100
890
990
1090
1190
1290
1390
1490
1590
1690
1790
1890
1990
2090
2190
2290
23100
24100
25100
26100
27100
28100
29100
30101
31101

How January really feels in Īstgāh-e Rāh Āhan-e Garmsār

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.

Īstgāh-e Rāh Āhan-e Garmsār 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 214.81.29.92.5
Feb12° / 224.9110.73.9
Mar18° / 295.80.411.76.5
Apr24° / 13°183.7012.98.0
May30° / 19°71.8013.86.2
Jun36° / 24°10.3014.32.8
Jul38° / 27°10.2014.11.2
Aug37° / 25°10.2013.32.2
Sep33° / 20°10.3012.25.2
Oct26° / 14°71.6011.18.6
Nov17° / 224.60.210.16.1
Dec11° / 225.30.39.73.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% 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 27%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37426
47327
57327
67327
77327
87228
97228
107228
117228
127228
137228
147228
157327
167327
177327
187327
197327
207327
217327
227327
237228
247327
257327
267327
277228
287228
297228
307129
317129

Chance of precipitation in January

Any precipitationSnow

Īstgāh-e Rāh Āhan-e Garmsār gets around 21 mm of rain and snow over 4.8 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 16% and peaks near 18% on the wettest days, and about 1 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1142
2143
3153
4153
5154
6154
7164
8164
9164
10164
11164
12164
13164
14154
15154
16154
17154
18154
19144
20153
21153
22153
23153
24163
25163
26164
27174
28174
29184
30184
31185

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 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 42 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 30 minutes over January. Sunrise moves from 7:14 AM to 7:07 AM, and sunset from 4:54 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:144:54
29.77:144:55
39.77:144:55
49.77:154:56
59.77:154:57
69.77:154:58
79.77:154:58
89.77:154:59
99.87:155:00
109.87:155:01
119.87:155:02
129.87:155:03
139.87:155:03
149.87:145:04
159.87:145:05
169.97:145:06
179.97:145:07
189.97:145:08
199.97:135:09
209.97:135:10
2110.07:135:11
2210.07:125:12
2310.07:125:13
2410.07:115:14
2510.17:115:15
2610.17:105:16
2710.17:105:17
2810.17:095:18
2910.27:095:19
3010.27:085:20
3110.27:075:21

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.2 kWh/m².

For context, solar energy here swings from a low near 2.81 kWh/m² to a high of 8.03 kWh/m² in June across the year — January's 3.2 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.9Moderate
22.9Moderate
33.0Moderate
43.0Moderate
53.0Moderate
63.0Moderate
73.0Moderate
83.0Moderate
93.0Moderate
103.0Moderate
113.1Moderate
123.1Moderate
133.1Moderate
143.1Moderate
153.2Moderate
163.2Moderate
173.2Moderate
183.3Moderate
193.3Moderate
203.3Moderate
213.3Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in January

Is January a good time to visit Īstgāh-e Rāh Āhan-e Garmsār?

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

2.5
Sightseeing
10th-best month of the year
0.0
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Īstgāh-e Rāh Āhan-e Garmsār.

What to pack for Īstgāh-e Rāh Āhan-e Garmsār in January

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

In January, Īstgāh-e Rāh Āhan-e Garmsār sees daytime highs around 10°C and nights near 0°C. Pack a warm layer. About 5 days see rain.

a warm layer

UV index in Īstgāh-e Rāh Āhan-e Garmsār 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 Īstgāh-e Rāh Āhan-e Garmsār peaks around July 18 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highVery highHighModerateJul 18UV 10Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar4Moderate
Apr7Very high
May9Very high
Jun9Very high
Jul10Extreme
Aug10Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Īstgāh-e Rāh Āhan-e Garmsār 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 Īstgāh-e Rāh Āhan-e Garmsār is worst in December — around 73 µg/m³ PM2.5 (unhealthy), about 2.6× the cleanest month (July, 28 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyDec 2072 µg/m³Jul 2228 µg/m³
PM2.5 (µg/m³)Level
Jan69Unhealthy
Feb64Unhealthy
Mar56Unhealthy
Apr56Unhealthy
May47Poor
Jun32Moderate
Jul28Moderate
Aug29Moderate
Sep39Poor
Oct49Poor
Nov62Unhealthy
Dec73Unhealthy
Location & terrain

Where is Īstgāh-e Rāh Āhan-e Garmsār?

Īstgāh-e Rāh Āhan-e Garmsār sits at 35.2°N, 52.3°E, 848 m above sea level, in Iran. The nearest listed city is Garmsār, 3.0 km away.

Topography around Īstgāh-e Rāh Āhan-e Garmsār

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Īstgāh-e Rāh Āhan-e Garmsār.

Within 3 km, the terrain around Īstgāh-e Rāh Āhan-e Garmsār has only modest variations in elevation — a maximum elevation change of 110 m around an average of 851 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,431 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,171 m.

The land around Īstgāh-e Rāh Āhan-e Garmsār is covered by bare terrain (62%) and cropland (21%) within 3 km, bare terrain (74%) and cropland (23%) within 16 km, and bare terrain (68%) and grassland (21%) within 80 km.

3 km
110 m
16 km
1,431 m
80 km
4,171 m
treesgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Garmsār 3.0 km · Kahrīzak 44 km · Pīshvā 54 km · Damāvand 58 km · Mojtame‘-e Maskūnī-ye Nāmjū 59 km · Varāmīn 61 km · Pākdasht 63 km · Rūdehen 66 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 Īstgāh-e Rāh Āhan-e Garmsār (35.2345°, 52.3094°, elevation 848 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).