Shīrvān weather in December

In December, Shīrvān sees average daytime highs of 5°C and overnight lows near -4°C, with 18 mm of precipitation across 4.5 wet days and about 9.5 hours of daylight. It is the 10th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 7°C in the first days to 4°C by the end. The sky is clear or mostly clear about 48% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of December to 9 h 30 min by month's end. Set against the rest of the year, December is Shīrvān's 8th-clearest and 12th-windiest month. For the whole year in context, see Shīrvān's year-round climate.

Daytime high
10th warmest
Overnight low
-4°
3rd coldest
Precipitation
18 mm
4.5 wet days
Daylight
9 h 24 min
6:51 AM – 4:17 PM
Cloud cover
45%
8th clearest
Wind
6 km/h
12th windiest
Solar energy
2.56 kWh/m²
Travel score
0.2
out of 10

Shīrvān is city in North Khorasan Province, Iran.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 7°C in the first days to 4°C by the end.

A typical December day in Shīrvān reaches about 5°C in the afternoon and slips back to -4°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between -0°C and 10°C. Set against its neighbours, December runs about 6°C cooler than November and about 3°C warmer than January.

-10°10°151015202531
Avg high (°C)Avg low (°C)
17-3
27-3
37-3
46-3
56-3
66-3
76-3
86-4
96-4
106-4
115-4
125-4
135-4
145-4
155-4
165-4
175-4
185-4
195-5
205-5
215-5
225-5
234-5
244-5
254-5
264-5
274-5
284-5
294-6
304-6
314-6

How December really feels in Shīrvān

Once humidity and wind are folded in, December 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 December is cold — wind chill drags the overnight "feels like" below the raw low.

Shīrvān weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -8°265.45.69.70.0
Feb / -6°346.55.210.60.1
Mar10° / -1°499.33.911.72.2
Apr16° / 388.20.712.95.5
May22° / 10°235.30147.6
Jun27° / 13°71.7014.58.5
Jul29° / 16°41014.37.5
Aug28° / 14°30.7013.48.1
Sep25° / 11°40.9012.39.2
Oct19° / 112.80117.5
Nov11° / 2151.6103.2
Dec / -4°184.52.99.50.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26238
36238
46238
56238
66040
76040
86040
96040
106139
116139
126139
136139
146238
156238
166238
176238
186337
196337
206436
216436
226535
236535
246634
256634
266634
276634
286634
296634
306634
316634

Chance of precipitation in December

Any precipitationSnow

Shīrvān gets around 18 mm of rain and snow over 4.5 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 15% and peaks near 17% on the wettest days, and about 3 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1179
2179
3179
4179
5179
6179
71710
81710
91710
101710
111711
121711
131711
141711
151611
161611
171611
181611
191510
201510
211410
221410
231310
24139
25139
26129
27129
28129
291310
301310
311311

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December 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 December

Winds average 6 km/h in December, the calmest month.

Across December, 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 December

DaylightNight

Daylight runs from about 9 h 36 min at the start of December to 9 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:40 AM to 6:58 AM, and sunset from 4:16 PM to 4:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.66:404:16
29.66:414:16
39.66:424:16
49.66:424:16
59.56:434:16
69.56:444:16
79.56:454:16
89.56:464:16
99.56:464:16
109.56:474:16
119.56:484:16
129.56:494:17
139.56:494:17
149.46:504:17
159.46:514:17
169.46:514:17
179.46:524:18
189.46:534:18
199.46:534:19
209.46:544:19
219.46:544:19
229.46:554:20
239.46:554:20
249.46:564:21
259.46:564:21
269.46:564:22
279.46:574:23
289.46:574:23
299.46:574:24
309.46:584:24
319.56:584:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.56 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.56 kWh/m² to a high of 7.57 kWh/m² in July across the year — December's 2.56 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.5Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.6Moderate
272.6Moderate
282.6Moderate
292.6Moderate
302.7Moderate
312.7Moderate
Planning a trip in December

Is December a good time to visit Shīrvān?

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

0.2
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Shīrvān.

What to pack for Shīrvān in December

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

In December, Shīrvān sees daytime highs around 5°C and nights near -4°C. Pack a warm layer and a heavy coat. About 5 days see rain.

a warm layera heavy coat

UV index in Shīrvān in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shīrvān peaks around July 17 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 17UV 11Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun10Very high
Jul11Extreme
Aug10Very high
Sep7Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Shīrvān in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Shīrvān is worst in September — around 32 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1631 µg/m³Dec 2216 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb19Moderate
Mar26Moderate
Apr27Moderate
May28Moderate
Jun26Moderate
Jul27Moderate
Aug25Moderate
Sep32Moderate
Oct26Moderate
Nov19Moderate
Dec16Moderate
Location & terrain

Where is Shīrvān?

Shīrvān sits at 37.4°N, 57.9°E, 1,093 m above sea level, in Iran. The nearest listed city is Esfarāyen, 51 km away.

Topography around Shīrvān

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

Within 3 km, the terrain around Shīrvān has significant variations in elevation — a maximum elevation change of 272 m around an average of 1,103 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 724 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,879 m.

The land around Shīrvān is covered by cropland (38%) and artificial surfaces (36%) within 3 km, cropland (53%) and grassland (32%) within 16 km, and grassland (56%), cropland (22%) and bare terrain (20%) within 80 km.

3 km
272 m
16 km
724 m
80 km
2,879 m
grasslandcroplandartificial surfacesbare terrain
December weather nearby: Esfarāyen 51 km · Bojnūrd 54 km · Qūchān 61 km · Ashgabat 73 km · Änew 75 km · Arkadag 76 km · Abadan 77 km · Gökdepe 85 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 Shīrvān (37.3967°, 57.9295°, elevation 1,093 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).