Gomīshān in Winter
In winter (December, January and February), Gomīshān sees average daytime highs around 12°C and overnight lows near 9°C, with 178 mm of precipitation over about 26 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across winter, daytime highs hold fairly steady around 12°C. The sky is clear or mostly clear about 44% of the time across winter, and the air most often feels dry.
Winter is Gomīshān's weakest season of the year to visit on our travel score. For the whole year in context, see Gomīshān's year-round climate.
- Avg daytime high
- 12°C
- coldest season of the year
- Avg overnight low
- 9°C
- Precipitation
- 178 mm
- 26 wet days
- Avg wind
- 12 km/h
- Travel score
- 3.5
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Gomīshān in Winter
Across winter, daytime highs hold fairly steady around 12°C.
A typical winter day in Gomīshān reaches about 12°C and drops to 9°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Gomīshān
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Gomīshān weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 12° / 8° | 60 | 8.8 | 0.1 | 9.7 | 3.1 |
| Feb | 12° / 8° | 62 | 8.8 | 0.5 | 10.6 | 3.3 |
| Mar | 15° / 11° | 72 | 10.5 | 0 | 11.7 | 4.6 |
| Apr | 20° / 15° | 53 | 8.1 | 0 | 12.9 | 6.6 |
| May | 24° / 20° | 30 | 5.2 | 0 | 14 | 7.9 |
| Jun | 27° / 24° | 20 | 3.7 | 0 | 14.5 | 8.0 |
| Jul | 29° / 26° | 24 | 5.1 | 0 | 14.3 | 6.7 |
| Aug | 30° / 27° | 20 | 4.5 | 0 | 13.4 | 6.3 |
| Sep | 28° / 24° | 48 | 6.9 | 0 | 12.3 | 7.3 |
| Oct | 23° / 19° | 68 | 6.4 | 0 | 11 | 7.8 |
| Nov | 17° / 14° | 82 | 8.7 | 0.2 | 10 | 5.9 |
| Dec | 13° / 10° | 55 | 8 | 0.1 | 9.5 | 4.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 44% of the time across winter.
Chance of precipitation in Winter
Gomīshān gets around 178 mm of rain and snow over 26 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 12 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 36 min in early December to 11 h 06 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.7 kWh/m².
Is winter a good time to visit Gomīshān?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Gomīshān.
What to pack for Gomīshān in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Gomīshān sees daytime highs around 12°C and nights near 9°C. Pack a warm layer. Worth having: rain gear. About 26 days see rain.
Sea temperature near Gomīshān in Winter
The nearest coast averages about 12°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 19 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 12 | 11 | 12 | 16 | 21 | 25 | 28 | 29 | 27 | 23 | 19 | 15 |
| Comfort | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Tropical | Warm | Refreshing | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 12 | Bracing |
| Feb | 11 | Bracing |
| Mar | 12 | Bracing |
| Apr | 16 | Cool |
| May | 21 | Refreshing |
| Jun | 25 | Warm |
| Jul | 28 | Warm |
| Aug | 29 | Tropical |
| Sep | 27 | Warm |
| Oct | 23 | Refreshing |
| Nov | 19 | Cool |
| Dec | 15 | Bracing |
UV index in Gomīshān in Winter
Clear-sky midday UV across winter averages around 3. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Gomīshān 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 4 | 4 | 6 | 7 | 7 | 10 | 8 | 6 | 4 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 7 | Very high |
| Jun | 7 | Very high |
| Jul | 10 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Gomīshān in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Gomīshān 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 23 | 23 | 25 | 25 | 22 | 21 | 19 | 22 | 29 | 27 | 25 | 23 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 23 | Moderate |
| Feb | 23 | Moderate |
| Mar | 25 | Moderate |
| Apr | 25 | Moderate |
| May | 22 | Moderate |
| Jun | 21 | Moderate |
| Jul | 19 | Moderate |
| Aug | 22 | Moderate |
| Sep | 29 | Moderate |
| Oct | 27 | Moderate |
| Nov | 25 | Moderate |
| Dec | 23 | Moderate |
Where is Gomīshān?
Gomīshān sits at 37.1°N, 54.1°E, -23 m above sea level, in Iran. The nearest listed city is Sīmīn Shahr, 15 km away.
Topography around Gomīshān
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Gomīshān.
Within 3 km, the terrain around Gomīshān has only modest variations in elevation — a maximum elevation change of 5 m around an average of -25 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 13 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,837 m.
The land around Gomīshān is covered by cropland (49%) and bare terrain (31%) within 3 km, cropland (43%), bare terrain (20%) and water (20%) within 16 km, and water (29%), bare terrain (22%) and cropland (21%) within 80 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
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 Gomīshān (37.0718°, 54.0765°, elevation -23 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.