Reẕvānshahr weather in January

In January, Reẕvānshahr sees average daytime highs of 10°C and overnight lows near 6°C, with 134 mm of precipitation across 14 wet days and about 9.7 hours of daylight. It is the 11th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 11°C in the first days to 10°C by the end. The sky is clear or mostly clear about 35% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 24 min at the start of January to 10 h 06 min by month's end. Set against the rest of the year, January is Reẕvānshahr's 6th-clearest and 1st-windiest month. For the whole year in context, see Reẕvānshahr's year-round climate.

Daytime high
10°
11th warmest
Overnight low
2nd coldest
Precipitation
134 mm
14 wet days
Daylight
9 h 42 min
7:33 AM – 5:13 PM
Cloud cover
59%
6th clearest
Wind
9 km/h
1st windiest
Solar energy
2.2 kWh/m²
Travel score
2.1
out of 10

Reẕvānshahr is city in Gilan 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

Highs ease over the month, from about 11°C in the first days to 10°C by the end.

A typical January day in Reẕvānshahr reaches about 10°C in the afternoon and slips back to 6°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 14°C. Set against its neighbours, January runs about 2°C cooler than December and on par with February.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1118
2117
3117
4117
5117
6117
7117
8117
9117
10107
11107
12106
13106
14106
15106
16106
17106
18106
19106
20106
21106
22106
23106
24106
25106
26106
27106
28106
29106
30106
31106

Reẕvānshahr weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 134145.59.72.1
Feb10° / 120135.210.61.9
Mar12° / 10914.6311.72.7
Apr15° / 12°8414.20.312.94.1
May20° / 17°5512.10146.1
Jun25° / 21°567.3014.57.7
Jul27° / 24°525.6014.37.7
Aug27° / 24°797.9013.47.2
Sep24° / 21°18713.4012.36.5
Oct21° / 17°25015.80115.6
Nov16° / 12°23515.91104.2
Dec12° / 15413.939.53.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24852
34852
44753
54852
64852
74753
84753
94753
104654
114654
124654
134654
144654
154654
164654
174555
184555
194555
204555
214555
224555
234555
244555
254555
264654
274654
284654
294654
304753
314753

Chance of precipitation in January

Any precipitationSnow

Reẕvānshahr gets around 134 mm of rain and snow over 14 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 45% and peaks near 47% on the wettest days, and about 6 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14110
24211
34311
44412
54413
64514
74615
84615
94716
104716
114717
124717
134718
144718
154719
164719
174720
184620
194620
204620
214520
224520
234420
244420
254420
264320
274320
284320
294321
304321
314321

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 9 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 24 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 42 minutes over January. Sunrise moves from 7:33 AM to 7:25 AM, and sunset from 5:00 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.47:335:00
29.57:335:01
39.57:335:02
49.57:345:02
59.57:345:03
69.57:345:04
79.57:345:05
89.57:345:06
99.57:345:06
109.67:345:07
119.67:335:08
129.67:335:09
139.67:335:10
149.67:335:11
159.77:335:12
169.77:335:13
179.77:325:14
189.77:325:15
199.77:325:16
209.87:315:17
219.87:315:18
229.87:305:19
239.87:305:20
249.97:295:21
259.97:295:22
269.97:285:23
279.97:285:24
2810.07:275:25
2910.07:265:26
3010.07:265:27
3110.17:255:29

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.2 kWh/m².

For context, solar energy here swings from a low near 1.88 kWh/m² to a high of 6.26 kWh/m² in June across the year — January's 2.2 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.0Moderate
22.0Moderate
32.0Moderate
42.0Moderate
52.0Moderate
62.0Moderate
72.1Moderate
82.1Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.2Moderate
162.2Moderate
172.2Moderate
182.2Moderate
192.2Moderate
202.3Moderate
212.3Moderate
222.3Moderate
232.3Moderate
242.4Moderate
252.4Moderate
262.4Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.6Moderate
Planning a trip in January

Hazard calendar for Reẕvānshahr

In seasonPeak

In January, Reẕvānshahr sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Reẕvānshahr's rainy season runs September–February, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Reẕvānshahr?

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

2.1
Sightseeing
11th-best month of the year
0.0
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Reẕvānshahr.

What to pack for Reẕvānshahr in January

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

In January, Reẕvānshahr sees daytime highs around 10°C and nights near 6°C. Pack a warm layer and rain gear. About 14 days see rain.

a warm layerrain gear

Sea temperature near Reẕvānshahr 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 offshore is warmest in August at about 28°C and coldest in February near 10°C.

It's comfortable for a long swim from May 22 to Nov 4 — about 5.5 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar10Bracing
Apr13Bracing
May19Cool
Jun24Warm
Jul27Warm
Aug28Warm
Sep26Warm
Oct23Refreshing
Nov18Cool
Dec14Bracing

UV index in Reẕvānshahr 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 Reẕvānshahr peaks around July 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 19UV 9Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr6High
May7Very high
Jun8Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Moderate

Air quality in Reẕvānshahr 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 Reẕvānshahr is worst in March — around 27 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1826 µg/m³Jul 1315 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb21Moderate
Mar27Moderate
Apr23Moderate
May21Moderate
Jun17Moderate
Jul14Moderate
Aug20Moderate
Sep25Moderate
Oct23Moderate
Nov21Moderate
Dec20Moderate
Location & terrain

Where is Reẕvānshahr?

Reẕvānshahr sits at 37.5°N, 49.1°E, 15 m above sea level, in Iran. The nearest listed city is Māsāl, 21 km away.

Topography around Reẕvānshahr

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

Within 3 km, the terrain around Reẕvānshahr has only modest variations in elevation — a maximum elevation change of 107 m around an average of 14 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,430 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,325 m.

The land around Reẕvānshahr is covered by cropland (49%) and trees (22%) within 3 km, trees (42%), water (28%) and cropland (21%) within 16 km, and water (34%), grassland (29%) and trees (22%) within 80 km.

3 km
107 m
16 km
1,430 m
80 km
3,325 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Māsāl 21 km · Bandar-e Anzalī 30 km · Şowme‘eh Sarā 32 km · Hashtpar 34 km · Fūman 39 km · Khomām 49 km · Rasht 50 km · Khalkhāl 54 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 Reẕvānshahr (37.5495°, 49.1374°, elevation 15 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).