Sirjan weather in December

In December, Sirjan sees average daytime highs of 13°C and overnight lows near 1°C, with 26 mm of precipitation across 3.5 wet days and about 10.1 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 14°C in the first days to 12°C by the end. The sky is clear or mostly clear about 68% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 12 min at the start of December to 10 h 06 min by month's end. Set against the rest of the year, December is Sirjan's 8th-clearest and 10th-windiest month. For the whole year in context, see Sirjan's year-round climate.

Daytime high: 13°; 10th warmest
Overnight low: 1°; 2nd coldest
Precipitation: 26 mm; 3.5 wet days
Daylight: 10 h 06 min; 6:40 AM – 4:47 PM
Cloud cover: 30%; 8th clearest
Wind: 10 km/h; 10th windiest
Solar energy: 3.79 kWh/m²
Travel score: 4.6; out of 10

Sirjan is city in Kerman Province, Iran.

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

← November Sirjan year-round climate January →Best places to visit in December

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 14°C in the first days to 12°C by the end.

A typical December day in Sirjan reaches about 13°C in the afternoon and slips back to 1°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 17°C. Set against its neighbours, December runs about 5°C cooler than November and about 2°C warmer than January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	15	14	14	14	14	14	14	14	14	14	13	13	13	13	13	13	13	13	13	13	13	13	13	13	12	12	12	12	12	12	12
Avg low (°C)	3	3	3	2	2	2	2	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0

	Avg high (°C)	Avg low (°C)
1	15	3
2	14	3
3	14	3
4	14	2
5	14	2
6	14	2
7	14	2
8	14	2
9	14	2
10	14	2
11	13	2
12	13	2
13	13	1
14	13	1
15	13	1
16	13	1
17	13	1
18	13	1
19	13	1
20	13	1
21	13	1
22	13	1
23	13	1
24	13	1
25	12	0
26	12	0
27	12	0
28	12	0
29	12	0
30	12	0
31	12	0

How December really feels in Sirjan

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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Sirjan weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	11° / -0°	36	6	2	10.3	3.1
Feb	13° / 2°	40	5.7	1.1	10.9	4.3
Mar	17° / 5°	36	6.4	0.1	11.8	6.2
Apr	22° / 10°	14	3.2	0	12.7	8.1
May	28° / 16°	3	1	0	13.5	7.6
Jun	33° / 20°	1	0.1	0	13.9	4.8
Jul	34° / 22°	1	0.3	0	13.7	3.7
Aug	33° / 20°	2	0.7	0	13.1	4.7
Sep	30° / 16°	0	0	0	12.2	7.0
Oct	24° / 11°	2	0.3	0	11.3	9.3
Nov	18° / 5°	11	2.2	0.1	10.5	7.1
Dec	13° / 1°	26	3.5	0.6	10.1	4.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 22%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	78	77	77	77	77	77	77	77	77	77	77	77	77	78	78	78	78	79	79	79	79	80	80	80	80	80	79	79	78	78	77
Cloudier (%)	22	23	23	23	23	23	23	23	23	23	23	23	23	22	22	22	22	21	21	21	21	20	20	20	20	20	21	21	22	22	23

	Clearer (%)	Cloudier (%)
1	78	22
2	77	23
3	77	23
4	77	23
5	77	23
6	77	23
7	77	23
8	77	23
9	77	23
10	77	23
11	77	23
12	77	23
13	77	23
14	78	22
15	78	22
16	78	22
17	78	22
18	79	21
19	79	21
20	79	21
21	79	21
22	80	20
23	80	20
24	80	20
25	80	20
26	80	20
27	79	21
28	79	21
29	78	22
30	78	22
31	77	23

Chance of precipitation in December

Any precipitationSnow

Sirjan gets around 26 mm of rain and snow over 3.5 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 12% and peaks near 13% on the wettest days, and about 1 day brings snow.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	12	12	12	12	12	12	13	13	13	13	13	13	13	12	12	12	12	11	11	11	11	10	10	10	10	10	11	11	11	12	13
Snow chance (%)	1	1	1	1	1	1	1	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	3	3	3	3

	Rain chance (%)	Snow chance (%)
1	12	1
2	12	1
3	12	1
4	12	1
5	12	1
6	12	1
7	13	1
8	13	2
9	13	2
10	13	2
11	13	2
12	13	2
13	13	2
14	12	2
15	12	2
16	12	2
17	12	2
18	11	2
19	11	2
20	11	2
21	11	2
22	10	2
23	10	2
24	10	2
25	10	2
26	10	2
27	11	2
28	11	3
29	11	3
30	12	3
31	13	3

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in December

Winds average 10 km/h in December.

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

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	10	calm
2	10	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	10	calm
9	10	calm
10	10	calm
11	10	calm
12	10	calm
13	10	calm
14	10	calm
15	10	calm
16	10	calm
17	10	calm
18	10	calm
19	10	calm
20	10	calm
21	10	calm
22	10	calm
23	10	calm
24	10	calm
25	10	calm
26	10	calm
27	10	calm
28	10	calm
29	10	calm
30	10	calm
31	10	calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 12 min at the start of December to 10 h 06 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 6:30 AM to 6:46 AM, and sunset from 4:44 PM to 4:55 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	10.2	10.2	10.2	10.2	10.2	10.2	10.2	10.2	10.2	10.2	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1	10.1
Sunrise (AM)	6:30	6:30	6:31	6:32	6:33	6:33	6:34	6:35	6:35	6:36	6:37	6:37	6:38	6:39	6:39	6:40	6:40	6:41	6:41	6:42	6:42	6:43	6:43	6:44	6:44	6:45	6:45	6:45	6:46	6:46	6:46
Sunset (PM)	4:44	4:44	4:45	4:45	4:45	4:45	4:45	4:45	4:45	4:45	4:46	4:46	4:46	4:46	4:47	4:47	4:47	4:48	4:48	4:49	4:49	4:50	4:50	4:51	4:51	4:52	4:52	4:53	4:53	4:54	4:55

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.2	6:30	4:44
2	10.2	6:30	4:44
3	10.2	6:31	4:45
4	10.2	6:32	4:45
5	10.2	6:33	4:45
6	10.2	6:33	4:45
7	10.2	6:34	4:45
8	10.2	6:35	4:45
9	10.2	6:35	4:45
10	10.2	6:36	4:45
11	10.1	6:37	4:46
12	10.1	6:37	4:46
13	10.1	6:38	4:46
14	10.1	6:39	4:46
15	10.1	6:39	4:47
16	10.1	6:40	4:47
17	10.1	6:40	4:47
18	10.1	6:41	4:48
19	10.1	6:41	4:48
20	10.1	6:42	4:49
21	10.1	6:42	4:49
22	10.1	6:43	4:50
23	10.1	6:43	4:50
24	10.1	6:44	4:51
25	10.1	6:44	4:51
26	10.1	6:45	4:52
27	10.1	6:45	4:52
28	10.1	6:45	4:53
29	10.1	6:46	4:53
30	10.1	6:46	4:54
31	10.1	6:46	4:55

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.79 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.79 kWh/m² to a high of 7.96 kWh/m² in June across the year — December's 3.79 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	3.9	3.9	3.9	3.9	3.9	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	3.9	Moderate
2	3.9	Moderate
3	3.9	Moderate
4	3.9	Moderate
5	3.9	Moderate
6	3.8	Moderate
7	3.8	Moderate
8	3.8	Moderate
9	3.8	Moderate
10	3.8	Moderate
11	3.8	Moderate
12	3.8	Moderate
13	3.8	Moderate
14	3.8	Moderate
15	3.8	Moderate
16	3.8	Moderate
17	3.8	Moderate
18	3.8	Moderate
19	3.8	Moderate
20	3.8	Moderate
21	3.8	Moderate
22	3.8	Moderate
23	3.8	Moderate
24	3.8	Moderate
25	3.8	Moderate
26	3.8	Moderate
27	3.8	Moderate
28	3.8	Moderate
29	3.8	Moderate
30	3.8	Moderate
31	3.8	Moderate

Planning a trip in December

Is December a good time to visit Sirjan?

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

4.6

Sightseeing

9th-best month of the year

0.0

Beach & pool

11th-best month of the year

December is a reasonable time to visit Sirjan for sightseeing.

What to pack for Sirjan in December

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

In December, Sirjan sees daytime highs around 13°C and nights near 1°C. Worth packing: a warm layer. About 4 days see rain.

a warm layer

UV index in Sirjan in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks 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 Sirjan peaks around June 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 4 (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)	4	7	9	8	11	12	11	11	10	8	5	4
Level	Moderate	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	High	Moderate

	UV index (midday)	Level
Jan	4	Moderate
Feb	7	Very high
Mar	9	Very high
Apr	8	Very high
May	11	Extreme
Jun	12	Extreme
Jul	11	Extreme
Aug	11	Extreme
Sep	10	Extreme
Oct	8	Very high
Nov	5	High
Dec	4	Moderate

Air quality in Sirjan 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 Sirjan is worst in April — around 35 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 15 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	19	25	29	35	33	27	34	27	25	21	15	17
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	19	Moderate
Feb	25	Moderate
Mar	29	Moderate
Apr	35	Moderate
May	33	Moderate
Jun	27	Moderate
Jul	34	Moderate
Aug	27	Moderate
Sep	25	Moderate
Oct	21	Moderate
Nov	15	Moderate
Dec	17	Moderate

Location & terrain

Where is Sirjan?

Sirjan sits at 29.5°N, 55.7°E, 1,744 m above sea level, in Iran. The nearest listed city is Najafshahr, 8.0 km away.

Topography around Sirjan

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

Within 3 km, the terrain around Sirjan has only modest variations in elevation — a maximum elevation change of 48 m around an average of 1,743 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 467 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,192 m.

The land around Sirjan is covered by artificial surfaces (69%) and bare terrain (23%) within 3 km, bare terrain (77%) within 16 km, and bare terrain (88%) within 80 km.

3 km

48 m

artificial surfaces 69%

16 km

467 m

bare terrain 77%

80 km

2,192 m

bare terrain 88%

treesshrubsgrasslandcroplandartificial surfacesbare terrain

← November Sirjan year-round climate January →Best places to visit in December

December weather nearby: Najafshahr 8.0 km · Shahr-e Bābak 92 km · Bāft 93 km · Bardsīr 101 km · Rafsanjān 110 km · Ḩājjīābād 129 km · Neyrīz 134 km · Dārāb 135 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 Sirjan (29.4514°, 55.6809°, elevation 1,744 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).

	Avg high (°C)	Avg low (°C)
1	15	3
2	14	3
3	14	3
4	14	2
5	14	2
6	14	2
7	14	2
8	14	2
9	14	2
10	14	2
11	13	2
12	13	2
13	13	1
14	13	1
15	13	1
16	13	1
17	13	1
18	13	1
19	13	1
20	13	1
21	13	1
22	13	1
23	13	1
24	13	1
25	12	0
26	12	0
27	12	0
28	12	0
29	12	0
30	12	0
31	12	0

	Clearer (%)	Cloudier (%)
1	78	22
2	77	23
3	77	23
4	77	23
5	77	23
6	77	23
7	77	23
8	77	23
9	77	23
10	77	23
11	77	23
12	77	23
13	77	23
14	78	22
15	78	22
16	78	22
17	78	22
18	79	21
19	79	21
20	79	21
21	79	21
22	80	20
23	80	20
24	80	20
25	80	20
26	80	20
27	79	21
28	79	21
29	78	22
30	78	22
31	77	23

	Rain chance (%)	Snow chance (%)
1	12	1
2	12	1
3	12	1
4	12	1
5	12	1
6	12	1
7	13	1
8	13	2
9	13	2
10	13	2
11	13	2
12	13	2
13	13	2
14	12	2
15	12	2
16	12	2
17	12	2
18	11	2
19	11	2
20	11	2
21	11	2
22	10	2
23	10	2
24	10	2
25	10	2
26	10	2
27	11	2
28	11	3
29	11	3
30	12	3
31	13	3

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	15	3
2	14	3
3	14	3
4	14	2
5	14	2
6	14	2
7	14	2
8	14	2
9	14	2
10	14	2
11	13	2
12	13	2
13	13	1
14	13	1
15	13	1
16	13	1
17	13	1
18	13	1
19	13	1
20	13	1
21	13	1
22	13	1
23	13	1
24	13	1
25	12	0
26	12	0
27	12	0
28	12	0
29	12	0
30	12	0
31	12	0

	Clearer (%)	Cloudier (%)
1	78	22
2	77	23
3	77	23
4	77	23
5	77	23
6	77	23
7	77	23
8	77	23
9	77	23
10	77	23
11	77	23
12	77	23
13	77	23
14	78	22
15	78	22
16	78	22
17	78	22
18	79	21
19	79	21
20	79	21
21	79	21
22	80	20
23	80	20
24	80	20
25	80	20
26	80	20
27	79	21
28	79	21
29	78	22
30	78	22
31	77	23

	Rain chance (%)	Snow chance (%)
1	12	1
2	12	1
3	12	1
4	12	1
5	12	1
6	12	1
7	13	1
8	13	2
9	13	2
10	13	2
11	13	2
12	13	2
13	13	2
14	12	2
15	12	2
16	12	2
17	12	2
18	11	2
19	11	2
20	11	2
21	11	2
22	10	2
23	10	2
24	10	2
25	10	2
26	10	2
27	11	2
28	11	3
29	11	3
30	12	3
31	13	3

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	15	3
2	14	3
3	14	3
4	14	2
5	14	2
6	14	2
7	14	2
8	14	2
9	14	2
10	14	2
11	13	2
12	13	2
13	13	1
14	13	1
15	13	1
16	13	1
17	13	1
18	13	1
19	13	1
20	13	1
21	13	1
22	13	1
23	13	1
24	13	1
25	12	0
26	12	0
27	12	0
28	12	0
29	12	0
30	12	0
31	12	0

	Clearer (%)	Cloudier (%)
1	78	22
2	77	23
3	77	23
4	77	23
5	77	23
6	77	23
7	77	23
8	77	23
9	77	23
10	77	23
11	77	23
12	77	23
13	77	23
14	78	22
15	78	22
16	78	22
17	78	22
18	79	21
19	79	21
20	79	21
21	79	21
22	80	20
23	80	20
24	80	20
25	80	20
26	80	20
27	79	21
28	79	21
29	78	22
30	78	22
31	77	23

	Rain chance (%)	Snow chance (%)
1	12	1
2	12	1
3	12	1
4	12	1
5	12	1
6	12	1
7	13	1
8	13	2
9	13	2
10	13	2
11	13	2
12	13	2
13	13	2
14	12	2
15	12	2
16	12	2
17	12	2
18	11	2
19	11	2
20	11	2
21	11	2
22	10	2
23	10	2
24	10	2
25	10	2
26	10	2
27	11	2
28	11	3
29	11	3
30	12	3
31	13	3

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100