Hashtpar weather in December

In December, Hashtpar sees average daytime highs of 11°C and overnight lows near 8°C, with 302 mm of precipitation across 20.5 wet days and about 9.4 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 27% 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 24 min by month's end. Set against the rest of the year, December is Hashtpar's 8th-clearest and 2nd-windiest month. For the whole year in context, see Hashtpar's year-round climate.

Daytime high
11°
9th warmest
Overnight low
4th coldest
Precipitation
302 mm
20.5 wet days
Daylight
9 h 24 min
7:29 AM – 4:52 PM
Cloud cover
66%
8th clearest
Wind
10 km/h
2nd windiest
Solar energy
1.82 kWh/m²
Travel score
2.0
out of 10

Hashtpar is city in Gilan 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

Day-to-day highs hold fairly steady near 11°C through the month.

A typical December day in Hashtpar reaches about 11°C in the afternoon and slips back to 8°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 15°C. Set against its neighbours, December runs about 3°C cooler than November and about 2°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1129
2129
3129
4129
5129
6119
7119
8119
9119
10118
11118
12118
13118
14118
15118
16118
17118
18118
19118
20118
21118
22118
23118
24118
25118
26118
27118
28108
29108
30107
31107

Hashtpar weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 24620.44.99.71.4
Feb / 19517.45.110.51.3
Mar11° / 16418.52.511.72.1
Apr15° / 11°13017.60.312.93.5
May19° / 16°10915.70145.3
Jun24° / 21°798.5014.67.5
Jul26° / 23°667014.37.8
Aug26° / 23°1008.7013.57.4
Sep22° / 20°28115.8012.36.0
Oct19° / 16°39319.70114.7
Nov14° / 12°40621.80.8103.0
Dec11° / 30220.52.59.42.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
22971
33070
43070
53070
63070
73070
83169
93169
103169
113268
123367
133367
143466
153565
163565
173763
183763
193862
203961
214060
224159
234258
244258
254258
264357
274357
284357
294258
304159
314159

Chance of precipitation in December

Any precipitationSnow

Hashtpar gets around 302 mm of rain and snow over 20.5 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 67% and peaks near 73% on the wettest days, and about 3 days bring snow. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
1736
2736
3736
4737
5737
6738
7738
8729
9729
107210
117110
127110
137010
147010
156910
166810
176810
186710
196510
20649
21639
22629
23618
24618
25608
26607
27607
28617
29617
30618
31618

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 (%)Comfortable (%)
1982
2991
3991
4991
5991
6991
7991
8991
9991
10991
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

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 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 36 min at the start of December to 9 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:17 AM to 7:35 AM, and sunset from 4:51 PM to 5:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:174:51
29.67:184:51
39.57:194:51
49.57:204:51
59.57:204:51
69.57:214:51
79.57:224:51
89.57:234:51
99.57:244:51
109.47:244:51
119.47:254:51
129.47:264:51
139.47:274:52
149.47:274:52
159.47:284:52
169.47:294:52
179.47:294:53
189.47:304:53
199.47:304:53
209.47:314:54
219.47:314:54
229.47:324:55
239.47:324:55
249.47:334:56
259.47:334:56
269.47:344:57
279.47:344:57
289.47:344:58
299.47:354:59
309.47:354:59
319.47:355:00

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.82 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.82 kWh/m² to a high of 6.49 kWh/m² in July across the year — December's 1.82 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.8Dim
41.8Dim
51.8Dim
61.8Dim
71.8Dim
81.8Dim
91.8Dim
101.8Dim
111.8Dim
121.8Dim
131.8Dim
141.8Dim
151.8Dim
161.8Dim
171.8Dim
181.8Dim
191.8Dim
201.9Dim
211.9Dim
221.9Dim
231.9Dim
241.9Dim
251.9Dim
261.9Dim
271.9Dim
281.9Dim
291.9Dim
301.9Dim
311.9Dim
Planning a trip in December

Hazard calendar for Hashtpar

In seasonPeak

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

Hashtpar'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 December a good time to visit Hashtpar?

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

2.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Hashtpar.

What to pack for Hashtpar in December

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

In December, Hashtpar sees daytime highs around 11°C and nights near 8°C. Pack a warm layer and rain gear. About 21 days see rain.

a warm layerrain gear

Sea temperature near Hashtpar in December

The nearest coast averages about 14°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 km away) 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 3 — about 5.5 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan11Bracing
Feb10Bracing
Mar10Bracing
Apr13Bracing
May19Cool
Jun24Warm
Jul27Warm
Aug28Warm
Sep26Warm
Oct23Refreshing
Nov18Cool
Dec14Bracing

UV index in Hashtpar 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 Hashtpar peaks around July 18 at about 10 (extreme) — 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 — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJul 18UV 10Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Extreme
Aug10Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec3Moderate

Air quality in Hashtpar 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 Hashtpar is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (July, 15 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2325 µg/m³Jul 1715 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb19Moderate
Mar25Moderate
Apr25Moderate
May23Moderate
Jun18Moderate
Jul15Moderate
Aug18Moderate
Sep20Moderate
Oct18Moderate
Nov17Moderate
Dec17Moderate
Location & terrain

Where is Hashtpar?

Hashtpar sits at 37.8°N, 48.9°E, 57 m above sea level, in Iran. The nearest listed city is Reẕvānshahr, 34 km away.

Topography around Hashtpar

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

Within 3 km, the terrain around Hashtpar has significant variations in elevation — a maximum elevation change of 288 m around an average of 72 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,875 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,325 m.

The land around Hashtpar is covered by trees (38%), cropland (35%) and artificial surfaces (24%) within 3 km, trees (54%) and water (25%) within 16 km, and water (35%) and grassland (29%) within 80 km.

3 km
288 m
16 km
1,875 m
80 km
3,325 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Reẕvānshahr 34 km · Khalkhāl 39 km · Māsāl 52 km · Bandar-e Anzalī 61 km · Şowme‘eh Sarā 66 km · Āstārā 71 km · Fūman 73 km · Astara 73 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 Hashtpar (37.7966°, 48.9052°, elevation 57 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).