Bandar-e Deylam in Winter
In winter (December, January and February), Bandar-e Deylam sees average daytime highs around 20°C and overnight lows near 11°C, with 201 mm of rain over about 18 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 20°C. The sky is clear or mostly clear about 61% of the time across winter, and the air most often feels dry.
Winter is Bandar-e Deylam's best season of the year to visit on our travel score. For the whole year in context, see Bandar-e Deylam's year-round climate.
- Avg daytime high
- 20°C
- coldest season of the year
- Avg overnight low
- 11°C
- Rainfall
- 201 mm
- 18 wet days
- Avg wind
- 13 km/h
- Travel score
- 7.2
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Bandar-e Deylam in Winter
Across winter, daytime highs hold fairly steady around 20°C.
A typical winter day in Bandar-e Deylam reaches about 20°C and drops to 11°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Bandar-e Deylam
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.
Bandar-e Deylam 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 18° / 10° | 74 | 7 | 10.3 | 6.8 |
| Feb | 20° / 12° | 38 | 4.8 | 10.9 | 7.5 |
| Mar | 24° / 15° | 34 | 4.3 | 11.8 | 8.3 |
| Apr | 30° / 20° | 10 | 1.9 | 12.7 | 6.3 |
| May | 36° / 25° | 4 | 0.3 | 13.5 | 2.4 |
| Jun | 40° / 29° | 0 | 0 | 13.9 | 0.0 |
| Jul | 41° / 30° | 0 | 0 | 13.7 | 0.0 |
| Aug | 41° / 30° | 0 | 0 | 13.1 | 0.0 |
| Sep | 38° / 27° | 0 | 0 | 12.2 | 1.2 |
| Oct | 34° / 22° | 2 | 0.5 | 11.3 | 4.2 |
| Nov | 26° / 16° | 58 | 4.2 | 10.5 | 7.7 |
| Dec | 20° / 12° | 89 | 6.4 | 10.1 | 7.4 |
Cloud cover in Winter
The sky is clear or mostly clear about 61% of the time across winter.
Chance of precipitation in Winter
Bandar-e Deylam gets around 201 mm of rain over 18 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 13 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 12 min in early December to 11 h 18 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 3.8 kWh/m².
Hazard calendar for Bandar-e Deylam
None of Bandar-e Deylam's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Bandar-e Deylam sees seasonal dust haze (March–May), heaviest in April.
Is winter a good time to visit Bandar-e Deylam?
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 one of the better times to visit Bandar-e Deylam for general sightseeing.
What to pack for Bandar-e Deylam in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Bandar-e Deylam sees daytime highs around 20°C and nights near 11°C. Worth packing: sun protection. About 18 days see rain.
Sea temperature near Bandar-e Deylam in Winter
The nearest coast averages about 18°C across winter — 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 33°C and coldest in February near 16°C.
It's comfortable for a long swim from Apr 1 to Dec 14 — about 8.5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 17 | 16 | 18 | 22 | 26 | 29 | 31 | 33 | 32 | 29 | 24 | 20 |
| Comfort | Cool | Cool | Cool | Refreshing | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 17 | Cool |
| Feb | 16 | Cool |
| Mar | 18 | Cool |
| Apr | 22 | Refreshing |
| May | 26 | Warm |
| Jun | 29 | Tropical |
| Jul | 31 | Tropical |
| Aug | 33 | Tropical |
| Sep | 32 | Tropical |
| Oct | 29 | Tropical |
| Nov | 24 | Warm |
| Dec | 20 | Cool |
UV index in Bandar-e Deylam in Winter
Clear-sky midday UV across winter averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Bandar-e Deylam peaks around August 10 at about 9 (very high) — 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 — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 6 | 6 | 7 | 9 | 9 | 9 | 6 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | High | High | Very high | Very high | Very high | High | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 6 | High |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Bandar-e Deylam 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 Bandar-e Deylam is worst in May — around 43 µg/m³ PM2.5 (poor), 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) | 36 | 38 | 41 | 41 | 43 | 37 | 41 | 40 | 37 | 36 | 32 | 32 |
| Level | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 36 | Poor |
| Feb | 38 | Poor |
| Mar | 41 | Poor |
| Apr | 41 | Poor |
| May | 43 | Poor |
| Jun | 37 | Poor |
| Jul | 41 | Poor |
| Aug | 40 | Poor |
| Sep | 37 | Poor |
| Oct | 36 | Poor |
| Nov | 32 | Moderate |
| Dec | 32 | Moderate |
Where is Bandar-e Deylam?
Bandar-e Deylam sits at 30.1°N, 50.2°E, 5 m above sea level, in Iran. The nearest listed city is Hendījān, 48 km away.
Topography around Bandar-e Deylam
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bandar-e Deylam.
Within 3 km, the terrain around Bandar-e Deylam has only modest variations in elevation — a maximum elevation change of 11 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 102 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,180 m.
The land around Bandar-e Deylam is covered by bare terrain (58%) and water (26%) within 3 km, water (41%) and bare terrain (36%) within 16 km, and grassland (36%), water (30%) and bare terrain (23%) 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 Bandar-e Deylam (30.0542°, 50.159°, elevation 5 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.