Zīr Āb weather in January

In January, Zīr Āb sees average daytime highs of 9°C and overnight lows near -1°C, with 71 mm of precipitation across 9.7 wet days and about 9.8 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 9°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 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 Zīr Āb's 1st-clearest and 2nd-windiest month. For the whole year in context, see Zīr Āb's year-round climate.

Daytime high
12th warmest
Overnight low
-1°
1st coldest
Precipitation
71 mm
9.7 wet days
Daylight
9 h 48 min
7:14 AM – 5:01 PM
Cloud cover
50%
1st clearest
Wind
6 km/h
2nd windiest
Solar energy
2.83 kWh/m²
Travel score
2.0
out of 10

Zīr Āb is city in Mazandaran 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 9°C through the month.

A typical January day in Zīr Āb reaches about 9°C in the afternoon and slips back to -1°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 15°C. Set against its neighbours, January runs about 2°C cooler than December and on par with February.

-10°10°20°151015202531
Avg high (°C)Avg low (°C)
1100
210-1
310-1
410-1
510-1
610-1
710-1
810-1
99-1
109-1
119-1
129-1
139-1
149-1
159-1
169-1
179-1
189-1
199-1
209-1
219-1
229-2
239-2
249-2
259-1
269-1
279-1
289-1
299-1
309-1
319-1

How January really feels in Zīr Āb

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.

Zīr Āb weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°719.769.82.0
Feb10° / -0°79116.310.62.2
Mar13° / 10014.34.511.73.4
Apr17° / 9815.10.912.94.8
May21° / 13°10516013.95.6
Jun25° / 17°7511.8014.46.5
Jul27° / 19°7312.8014.26.2
Aug27° / 19°8312.3013.46.2
Sep24° / 16°15314012.26.2
Oct20° / 11°12412.6011.16.1
Nov15° / 10511.91.810.14.4
Dec11° / 699.349.62.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
25941
35941
45842
55743
65743
75644
85545
95545
105446
115545
125545
135446
145446
155446
165446
175446
185446
195446
205446
215446
225545
235545
245545
255545
265545
275545
285545
295545
305545
315545

Chance of precipitation in January

Any precipitationSnow

Zīr Āb gets around 71 mm of rain and snow over 9.7 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 32% and peaks near 34% on the wettest days, and about 6 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12513
22513
32614
42615
52715
62816
72917
83017
93118
103119
113219
123320
133320
143321
153421
163421
173421
183422
193422
203422
213422
223322
233322
243322
253322
263323
273323
283323
293323
303324
313424

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 6 km/h in January.

Across January, daily wind ranges from about 6 km/h on the calmest days to 6 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
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 7:14 AM to 7:07 AM, and sunset from 4:49 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:144:49
29.67:144:49
39.67:144:50
49.67:144:51
59.67:154:52
69.67:154:52
79.67:154:53
89.77:154:54
99.77:154:55
109.77:154:56
119.77:154:57
129.77:144:57
139.77:144:58
149.87:144:59
159.87:145:00
169.87:145:01
179.87:135:02
189.87:135:03
199.97:135:04
209.97:125:05
219.97:125:06
229.97:125:07
239.97:115:08
2410.07:115:09
2510.07:105:10
2610.07:105:11
2710.07:095:12
2810.17:095:13
2910.17:085:14
3010.17:075:15
3110.27:075:16

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.83 kWh/m².

For context, solar energy here swings from a low near 2.45 kWh/m² to a high of 5.67 kWh/m² in June across the year — January's 2.83 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.9Moderate
192.9Moderate
202.9Moderate
212.9Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.1Moderate
273.1Moderate
283.1Moderate
293.1Moderate
303.2Moderate
313.2Moderate
Planning a trip in January

Is January a good time to visit Zīr Āb?

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

2.0
Sightseeing
12th-best month of the year
0.0
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Zīr Āb.

What to pack for Zīr Āb in January

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

In January, Zīr Āb sees daytime highs around 9°C and nights near -1°C. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Zīr Āb 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 Zīr Āb peaks around July 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 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 21UV 11Jan 12UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5High
Apr8Very high
May10Very high
Jun9Very high
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Zīr Āb 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 Zīr Āb 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 Zīr Āb?

Zīr Āb sits at 36.2°N, 53.0°E, 398 m above sea level, in Iran. The nearest listed city is Qā’em Shahr, 33 km away.

Topography around Zīr Āb

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

Within 3 km, the terrain around Zīr Āb has large variations in elevation — a maximum elevation change of 760 m around an average of 648 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,045 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,024 m.

The land around Zīr Āb is covered by trees (81%) within 3 km, trees (89%) within 16 km, and trees (32%) and grassland (32%) within 80 km.

3 km
760 m
16 km
2,045 m
80 km
5,024 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Qā’em Shahr 33 km · Sari 43 km · Bābol 49 km · Fīrūzkūh 50 km · Jūybār 52 km · Amīr Kolā 54 km · Nekā 60 km · Mahdishahr 62 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 Zīr Āb (36.1797°, 52.9735°, elevation 398 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).