Udachny weather in July

In July, Udachny sees average daytime highs of 20°C and overnight lows near 10°C, with 59 mm of rain across 9.3 wet days and about 20.6 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 21% of the time in July, and the air most often feels dry.

Daylight stretches from about 22 h 30 min at the start of July to 18 h 42 min by month's end. Set against the rest of the year, July is Udachny's 1st-clearest and 7th-windiest month. For the whole year in context, see Udachny's year-round climate.

Daytime high
20°
1st warmest
Overnight low
10°
12th coldest
Rainfall
59 mm
9.3 wet days
Daylight
20 h 36 min
3:17 AM – 11:55 PM
Cloud cover
67%
1st clearest
Wind
9 km/h
7th windiest
Solar energy
5.14 kWh/m²
Travel score
6.2
out of 10

Udachny is town in Mirninsky District, Sakha Republic, Russia.

Density
7,633/km²
people per km²
Founded
1967

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 20°C through the month.

A typical July day in Udachny reaches about 20°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 27°C. Set against its neighbours, July runs about 4°C warmer than June and about 4°C warmer than August.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1199
2199
32010
42010
52010
62010
72010
82010
92010
102010
112010
122010
132010
142010
152010
162010
172010
182010
192010
202010
212010
222010
232010
242010
252010
26209
27199
28199
29199
30199
31199

How July really feels in Udachny

Once humidity and wind are folded in, July averages 0 days that feel above 32°C and 0 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
0
wind chill below the day's low

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Udachny weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-30° / -37°30.92.13.60.0
Feb-26° / -34°30.827.40.0
Mar-15° / -26°62.13.711.10.0
Apr-3° / -14°205.66.714.90.0
May / -4°429.67.118.80.7
Jun16° / 5410.8122.44.7
Jul20° / 10°599.3020.66.2
Aug16° / 5610.20.316.64.7
Sep / -1°419.44.412.80.8
Oct-7° / -14°226.1890.0
Nov-22° / -29°82.54.75.10.0
Dec-29° / -36°31.22.41.60.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of July, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33466
43367
53367
63367
73466
83565
93565
103664
113664
123763
133862
143862
154060
164060
174060
184159
194159
204159
214060
223961
233961
243862
253862
263763
273664
283565
293466
303268
313169

Chance of precipitation in July

Any precipitation

Udachny gets around 59 mm of rain over 9.3 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
330
430
530
630
730
830
930
1029
1129
1229
1329
1429
1529
1629
1729
1830
1930
2030
2130
2230
2330
2430
2530
2630
2730
2831
2931
3031
3131

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 85% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19091
288102
388102
487112
586122
686122
785132
885132
984142
1082153
1182153
1282153
1381163
1481163
1581163
1681163
1781163
1883152
1983152
2084142
2184142
2285132
2386122
2486122
2587112
2688102
2788102
289091
299091
309181
319271

Wind in July

Winds average 9 km/h in July.

Across July, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 22 h 30 min at the start of July to 18 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 228 minutes over July. Sunrise moves from 2:17 AM to 4:17 AM, and sunset from 12:50 AM to 10:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
122.52:1712:50
222.42:2112:47
322.32:2512:43
422.22:2912:40
522.12:3212:37
621.92:3612:33
721.82:4012:29
821.72:4412:26
921.62:4812:22
1021.42:5212:18
1121.32:5612:14
1221.23:0012:11
1321.03:0412:07
1420.93:0912:03
1520.83:1311:59
1620.63:1711:55
1720.53:2111:52
1820.43:2511:48
1920.23:2911:44
2020.13:3311:40
2120.03:3711:36
2219.93:4111:32
2319.73:4511:28
2419.63:4911:24
2519.53:5311:20
2619.33:5711:16
2719.24:0111:12
2819.14:0511:08
2918.94:0911:04
3018.84:1311:00
3118.74:1710:56

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.14 kWh/m².

For context, solar energy here swings from a low near 0.01 kWh/m² to a high of 5.52 kWh/m² in June across the year — July's 5.14 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.1Bright
185.1Bright
195.1Bright
205.0Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.8Bright
264.8Bright
274.7Bright
284.7Bright
294.6Bright
304.5Bright
314.5Bright
Planning a trip in July

Is July a good time to visit Udachny?

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

6.2
Sightseeing
1st-best month of the year
3.1
Beach & pool
1st-best month of the year

July is a reasonable time to visit Udachny for sightseeing.

What to pack for Udachny in July

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

In July, Udachny sees daytime highs around 20°C and nights near 10°C. Worth packing: rain gear and sun protection. About 9 days see rain.

rain gearsun protection

UV index in Udachny in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Udachny peaks around July 16 at about 5 (moderate) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJul 16UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb0Low
Mar1Low
Apr2Moderate
May4Moderate
Jun4Moderate
Jul5Moderate
Aug3Moderate
Sep2Low
Oct1Low
Nov0Low
Dec0Low

Air quality in Udachny in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Udachny is worst in August — around 16 µg/m³ PM2.5 (moderate), about 32.8× the cleanest month (December, 1 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1216 µg/m³Dec 181 µg/m³
PM2.5 (µg/m³)Level
Jan1Good
Feb1Good
Mar3Good
Apr4Good
May5Good
Jun8Good
Jul14Moderate
Aug16Moderate
Sep6Good
Oct2Good
Nov1Good
Dec1Good
Location & terrain

Where is Udachny?

Udachny sits at 66.4°N, 112.4°E, 315 m above sea level, in Russia. The nearest listed city is Aykhal, 69 km away.

LenskBodayboYakutskTalnakhNorilskUst’-Ilimsk

Topography around Udachny

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

Within 3 km, the terrain around Udachny has significant variations in elevation — a maximum elevation change of 253 m around an average of 333 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 386 m; within 80 km, significant variations in elevation — a maximum elevation change of 593 m.

The land around Udachny is covered by trees (68%) within 3 km, trees (92%) within 16 km, and trees (97%) within 80 km.

3 km
253 m
16 km
386 m
80 km
593 m
treesgrasslandbare terrainwatermoss and lichen
July weather nearby: Aykhal 69 km · Mirny 439 km · Lensk 647 km · Bodaybo 958 km · Yakutsk 965 km · Talnakh 1,050 km · Norilsk 1,055 km · Ust’-Ilimsk 1,062 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 Udachny (66.4299°, 112.4021°, elevation 315 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).