Syzran weather in December

In December, Syzran sees average daytime highs of -5°C and overnight lows near -10°C, with 35 mm of precipitation across 9 wet days and about 7.4 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about -4°C in the first days to -6°C by the end. The sky is clear or mostly clear about 7% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 h 42 min at the start of December to 7 h 24 min by month's end. Set against the rest of the year, December is Syzran's 12th-clearest and 4th-windiest month. For the whole year in context, see Syzran's year-round climate.

Daytime high
-5°
10th warmest
Overnight low
-10°
3rd coldest
Precipitation
35 mm
9 wet days
Daylight
7 h 18 min
9:03 AM – 4:22 PM
Cloud cover
88%
12th clearest
Wind
14 km/h
4th windiest
Solar energy
0.54 kWh/m²
Travel score
0.0
out of 10

Syzran is city in Russia.

Density
1,618/km²
people per km²
Founded
1683

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 -4°C in the first days to -6°C by the end.

A typical December day in Syzran reaches about -5°C in the afternoon and slips back to -10°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between -13°C and 1°C. Set against its neighbours, December runs about 6°C cooler than November and about 2°C warmer than January.

-20°-10°151015202531
Avg high (°C)Avg low (°C)
1-3-8
2-4-8
3-4-8
4-4-8
5-4-9
6-4-9
7-4-9
8-4-9
9-5-9
10-5-9
11-5-10
12-5-10
13-5-10
14-5-10
15-5-10
16-6-11
17-6-11
18-6-11
19-6-11
20-6-11
21-6-11
22-6-11
23-6-11
24-6-11
25-6-11
26-6-11
27-6-11
28-6-11
29-6-11
30-6-11
31-6-11

How December really feels in Syzran

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
31 feel bitter (≤ -10°C)

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

Syzran weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-7° / -12°36910.47.90.0
Feb-6° / -13°287.67.99.50.0
Mar / -7°327.86.811.50.0
Apr12° / 398.11.513.63.1
May20° / 4180.115.66.6
Jun24° / 14°549.1016.67.0
Jul26° / 16°488.5016.26.9
Aug25° / 14°468014.57.2
Sep18° / 477.5012.45.9
Oct10° / 438.41.210.32.1
Nov / -4°37858.40.0
Dec-5° / -10°3599.47.40.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 4% of December, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21189
31189
41189
51189
61090
7991
8991
9991
101090
111090
121090
131090
141090
151090
161090
171189
181189
191189
201189
211189
221189
231189
241189
251189
261288
271189
281189
291189
301189
311189

Chance of precipitation in December

Any precipitationSnow

Syzran gets around 35 mm of rain and snow over 9 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 29% and peaks near 31% on the wettest days, and about 9 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12524
22525
32625
42626
52626
62627
72628
82728
92729
102829
112830
122930
132931
142931
152931
163032
173032
183032
193132
203132
213132
223132
233132
243132
253132
263132
273032
283032
293032
303032
312932

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 14 km/h in December.

Across December, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 42 min at the start of December to 7 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over December. Sunrise moves from 8:46 AM to 9:09 AM, and sunset from 4:26 PM to 4:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.78:464:26
27.68:474:25
37.68:494:25
47.68:504:24
57.58:514:24
67.58:534:23
77.58:544:23
87.58:554:22
97.48:564:22
107.48:574:22
117.48:584:22
127.48:594:22
137.49:004:22
147.39:014:22
157.39:024:22
167.39:034:22
177.39:044:22
187.39:044:22
197.39:054:22
207.39:054:23
217.39:064:23
227.39:074:24
237.39:074:24
247.39:074:25
257.39:084:25
267.39:084:26
277.39:084:27
287.39:084:27
297.39:084:28
307.39:094:29
317.49:094:30

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.54 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.54 kWh/m² to a high of 6.02 kWh/m² in June across the year — December's 0.54 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.6Dim
20.6Dim
30.6Dim
40.6Dim
50.6Dim
60.6Dim
70.6Dim
80.6Dim
90.6Dim
100.6Dim
110.5Dim
120.5Dim
130.5Dim
140.5Dim
150.5Dim
160.5Dim
170.5Dim
180.5Dim
190.5Dim
200.5Dim
210.5Dim
220.5Dim
230.5Dim
240.5Dim
250.5Dim
260.5Dim
270.6Dim
280.6Dim
290.6Dim
300.6Dim
310.6Dim
Planning a trip in December

Is December a good time to visit Syzran?

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

0.0
Sightseeing
8th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Syzran.

What to pack for Syzran in December

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

In December, Syzran sees daytime highs around -5°C and nights near -10°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

UV index in Syzran in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Syzran peaks around July 14 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 14UV 6Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May4Moderate
Jun5High
Jul6High
Aug4Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Syzran 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 Syzran is worst in March — around 15 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 2215 µg/m³Dec 197 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar15Moderate
Apr14Moderate
May7Good
Jun8Good
Jul11Good
Aug9Good
Sep8Good
Oct8Good
Nov8Good
Dec7Good
Location & terrain

Where is Syzran?

Syzran sits at 53.2°N, 48.5°E, 39 m above sea level, in Russia. The nearest listed city is Oktyabr’sk, 15 km away.

Topography around Syzran

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

Within 3 km, the terrain around Syzran has only modest variations in elevation — a maximum elevation change of 56 m around an average of 44 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 230 m; within 80 km, significant variations in elevation — a maximum elevation change of 357 m.

The land around Syzran is covered by artificial surfaces (39%), trees (25%) and water (25%) within 3 km, cropland (33%) and grassland (24%) within 16 km, and cropland (41%), trees (25%) and grassland (23%) within 80 km.

3 km
56 m
16 km
230 m
80 km
357 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Oktyabr’sk 15 km · Bezenchuk 67 km · Tolyatti 71 km · Zhigulëvsk 74 km · Chapayevsk 85 km · Novokuybyshevsk 98 km · Barysh 104 km · Novoul’yanovsk 110 km

Russia travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$17,547
2025
Happiness
5.8 / 10
World Happiness, 2025
Safe drinking water
76%
of population, 2024
Homicide rate
6.8
per 100k, 2021
Road deaths
12
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 521
Religion
other Christian 2%

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 Syzran (53.1585°, 48.4681°, elevation 39 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).